6405 / NORDMENDE [TV]

• Channel runs through continually.
• Low tension collapses.
• At switch on front LED lights up red for 1 or 2 secs then goes out. EHT pulse is heard for a short time. Everything is blocked in safety mode.
• Tripping. Standby LED flashing dimly. (with circuit diagram extract)
• Volume and mute controls do not function after a while, OSD present. When put into standby and then back on, sound disappears.
• Picture tube is dark. Sound is present.
• Dead. Light not on. No 13.4V voltage on 16 of IP01, 315V on collector of TP29; before RP06 128V, after nothing. Smoke from RP06. (extract of circuit diagram attached)
• Blank raster. Audio OK .
• Picture is missing 2cm at the top of the screen and there are also lines at the top of the screen, impossible to adjust.
• No tuning.
• Intermittent loss of picture and sound; just black and white dots and lines.
• Picture has shrunk to the bottom of the screen.
• Switches to protection mode.
• When switching to standby, red LED switches off and no start up is possible.
• Cuts out when put into standby and LED switches off. Impossible to start up again by RC. Starts up again by switch after a short time. (extract of circuit diagram attached)
• Control board CDI 2000
• Flickering picture. at top.
• Venetian blind effect superimposed at top of picture.
• Video output stage IC (TEA5101A) on CRT board is defective. (+ extract of circuit diagram)
• Smearing in picture.
• Horizontal stripes at an approx 0.5cm distance during tuner operation.
• No start-up (intermittently).
• Ocassionnally no functions with RC. RC and front panel OK.
• White bar at top of screen. (picture attached)
• Poor audio. (part of circuit diagram displayed)
• Intermittently NICAM sound crackles.
• Dead (intermittently).
• No horizontal deflection. Vertical white line. (extract of circuit diagram attached)
• On teletext raster is blank and a 4 inch band of red and green stripes appear at the bottom of the screen intermittently.
• Line driver TL17 blows if base of S2000 connected.
• Black and white picture in PAL, SECAM, scart. OSD in colour, pin 7 of IV01 at 1V.
• Frame foldover. Line flyback at top of screen.
• Slow start-up (when cold).
• B/W picture in via scart and tuner.
• Remains blocked on PR1, no HF and AV reception. If yellow key of RCU is kept pressed in programming page is displayed but no programme possible with the RCU. No switching on all keys +V, -V, P+, P- of keyboard.
• Poor picture and sound. If you shift picture becomes ok but poor sound. Same problem from 21 to 69.
• Canal Plus in B/W. No switching switch.
• Unstable picture. at start-up. OK after a while . (part of circuit diagram displayed)
• Approximately 6 inches of very bad foldover down screen with random on and off colour flashing. (+ extract of circuit diagram)
• No switch on, in protective circuit mode. LED OK.
• G2 adjustment CRT8010 pcb with TEA5101 IC.
• Power supply does not work. (extract of circuit diagram attached)
• No functions (intermittently).
• Noisy picture. It can be programmed but not stored.
• Makes 2 or 3 attempts at starting up and then nothing. (with circuit diagram extract)
• No function at start up. At pin 16 chopper ok.
• Venetian blind effect.
• Poor sound, noisy. Switches between stereo and mono.
• No picture. Audio and OSD OK .
• Erratic picture.
• Bright green raster.
• Distorted audio. Poor audio.
• Occasional arcing noise from tube then it works OK for a few hours.
• Buzzing noise at startup. Then appliance enters safety mode.
• Fuse FP01 blown.
• After approx 1 hour, switches channels by itself. RC does not function.
• 3 colour bars at top of screen.
• Raster and sound are missing, at switch on appears to trip once. (with circuit diagram extract)
• No reception. Channel display on .
• Red picture.
• Shuts down. at start-up. No LED lit.
• Colour cast over picture, variable as appliance warms up.
• Switches to protection mode (intermittently). (with circuit diagram extract)
• Dark screen, smell of ozone. Sound ok.
• Picture width changes when adjusting contrast. (extract of circuit diagram attached)
• No colour when receiving satellite programmes via scart. Colour ok with terrestrial transmissions.
• No synchronisation.
• Occasionally red and blue stripes in the picture. Then picture turns black and white. Fault occurs more frequently if the appliance is cold.
• TL19 (S20AF) blows immediately after switch on. (part of circuit diagram displayed)
• Dead (after a few seconds). (extract of circuit diagram attached)
• At switch on red LED comes on then immediately goes off. HT ok then goes into safety mode. (with circuit diagram extract)
• Dead, just 'ping' at switch on. (part of circuit diagram displayed)
• Tuning drifts and is lost.
• Faint vertical lines. (6405 tips)
• Irregular frame scan across picture.
• Goes into protection mode at switch on and flashes.
• Dead. LED blinks . (6405 tips)
• TL19 (S20AF) is destroyed immediately after switch on.
• After a month's break, it no longer starts up ie. at start up the red light comes on then turns green. Line transformer is audible then a little noise is heard and the light stops. Nothing more. (with circuit diagram extract)
• To replace IC TDA8178FS. (picture attached)
• Only lines on channel 57 and 60. Channel 63 ok.
• Video output stage IC (TEA5101A) on CRT board is defective. (with circuit diagram extract)
• Low contrast. (+ extract of circuit diagram)
• At start up standby LED switches on then off 2 or 3 secs afterwards. (part of circuit diagram displayed)
• Raster is blank with off-air breakthrough on auxiliary, sound ok.
• 8 vertical bars on right of picture via tuner and via scart. After 10 mins, horizontal bars appear at top of picture.
• Unable to adjust basic tint. Red background remains.
• No TXT.
• Blank raster. No analogue functions and no RC functions.
• Line output transistor S/C.
• Mains fuse has a short life expectancy. The current which crosses it has a pulse appearance of 0.5ms positive and negative whose pin is close to 1.6A.
• No picture. (with circuit diagram extract)
• Reduced range of E/W width control. (with circuit diagram extract)
• Dead. Standby LED lit . (picture attached)
• Poor vertical linearity.
• No start-up (when cold). (extract of circuit diagram attached)
• TV functions for approx 1 min then switches off, red light present. The same in standby. Press On/Off twice and TV starts up again for 1 min before cutting out. Demand increase to 0.65A. (with circuit diagram extract)
• CL21, TL19 and TP29 are destroyed. (+ extract of circuit diagram) (6405 tips)
• Electrical flash between FBT' ferrite and surrounding components.
• Sound is low and nasal.
• No signal. Blank raster. OSD OK .
• Inadequate picture controls. Black streaks after white.
• Picture pulls and switches to standby after about 2-5 minutes. (part of circuit diagram displayed)
• After 1 min blue screen, flyback lines and tripping. If you try to start appliance up again, it trips in 5 secs.
• Green picture at start up then colours flash, especially the blue. (extract of circuit diagram attached)
• No green.
• TDA8178 defective.
• Lines in picture.
• Switches to protection mode (after start-up).
• No MONO audio.
• Channels run through and do not stop on any station. No function from RC.
• Left hand channel output has distorted sound. (+ extract of circuit diagram)
• No TXT. Header only.
• No tele dialog insertion from the control panel or the RC. (picture attached)
• Vertical foldover. (extract of circuit diagram attached)
• Red tinge on screen with white pictures, especially with picture adjustments menus (brightness, contrast, colour). (6405 tips)
• No 24V, 7V OK, 140V ok. (+ extract of circuit diagram) (6405 tips)
• When switching back goes into standby and a chirping noise from loudspeakers. (with circuit diagram extract)
• Bright, horizontal line in middle of picture. No vertical deflection.
• Switches to standby. after start-up.
• Picture disappears and b/w wavy lines across screen. Knock sensitive.
• Starts but does not run.
• When you put the TV into standby the power supply cuts out. If you stop it with the switch the TV starts up again normally when you switch on again.
• Vertical collapse. at start-up. Switches to standby. (picture attached)
• TV starts up but no function is possible with either RC or front panel.
• Protection mode activated. at start-up. (picture attached)
• No audio (intermittently).
• Switching to AV.
• Excessive brightness. Flyback lines.
• No tele dialog display via control panel or RC.
• No start up. LED flashed once.
• No picture. Cut-off security is activated. If you remove the security the picture is ok but cloudy, as if the focus was poorly adjusted. (with circuit diagram extract)
• Clicking in power supply audible in standby. TV works properly in ON mode. (extract of circuit diagram attached)
• No start-up (after warm-up).
• Excessive horizontal size. (with circuit diagram extract)
• No or erratic controls. OSD appearing by itself.
• TL17 line driver failure when line output energises. (with circuit diagram extract) (6405 tips)
• Wavy picture.
• Red capital "P" 10cm left of centre. Not present in setting menu. Appears when leaving setting menu. RC does not function.
• Lines missing at the bottom on approx 3 cm after a while.
• Starts up once then dead. Standby LED off. No secondary voltage. 300V ok on primary. TL19, RL21, CP30, CP22, EHT ok. (picture attached)
• Stuck in standby. (part of circuit diagram displayed)
• No picture. Sound ok, brightness control ok. Picture ok via scart. OSD ok. (part of circuit diagram displayed)
• No raster.
• Standby LED flickers.
• Raster is blank, zero analogue functions and RCU does not function. (part of circuit diagram displayed) (6405 NORDMENDE repair tip)
• OSD comes on and VOL increased to maximum. (model A59F occurs after several hours), or other OSD appear intermittently. (6405 tips)
• Transistor TL19 becomes defective after 2 or 3 weeks. (service info for NORDMENDE -6405)
• Trips 4 times at switch on then goes dead. (part of circuit diagram displayed)
• Three faint dark lines on right side of picture via AV input without a signal. (part of circuit diagram displayed)
• Horizontal line.
• TL19 (line BU) heats up and blows after a few mins.
• Information about field output chip replacements.
• Shutsdown after EHT appears.
• No PAL colour via aerial or scart.
• No start-up. (part of circuit diagram displayed)
• No front panel function.
• Only large dot-like patterning.
• Power supply does not start up. Primary does not oscillate.
• Centre of screen has field collapse. (+ extract of circuit diagram)
• No vertical deflection. Horizontal line. (+ extract of circuit diagram)
• Poor sound as in de-tuned audio IF.
• Comes on for a short time. (picture attached)
• No RC functions.
• Poor red colour. Flyback line visible.
• Line output transistor blown at switch on. (+ extract of circuit diagram)
• Sound breaks through in auxiliary mode. (part of circuit diagram displayed)
• Line sync is missing on teletext, ok on TV. (part of circuit diagram displayed)
• Line or field sync is missing or intermittent. (picture attached)
• Nasal sound on some channels.
• Poorly visible vertical stripes in picture.
• S2000 blown after 2 minutes.
• The secondary protection switch-off on the SP rail is too sensitive. (with circuit diagram extract)
• New connectors with 2.5mm pitch. (6405 tip from NORDMENDE)
• Power supply stuck in standby mode.
• No picture, faint channel number when remote used.
• TV stops. May function for several days. (with circuit diagram extract)
• Television switches "OFF" as power supply enters full power regulation mode.
• LED goes red and green then EHT can be heard followed by silence with no lights. (part of circuit diagram displayed)
• No red. (with circuit diagram extract)
• At switch on standby LED comes on then goes off after 3 secs. (with circuit diagram extract)
• Switches off by itself. intermittently. (6405 NORDMENDE repair tip)
• Goes into standby when VCR or satellite demodulator are used. TV switches on again when pressing AV button. (with circuit diagram extract)
• Dead. At switch on LED is lit then goes out. (+ extract of circuit diagram)
• Intermittent menu display.
• Starts up and then stops.
• No frame time base. Power supply ok. (picture attached)
• Dead. after start-up.
• IF TL17 dies as soon as line output starts up.
• Field cramping with horizontal striations. (picture attached) (service info for NORDMENDE -6405)
• CRT drive missing. (6405 tip from NORDMENDE)
• Beam current dependent picture width change. (+ extract of circuit diagram)
• Poor focus.
• Slow start-up.
• No voltage on the secondary. 300V ok. Fault occurred following a storm. (+ extract of circuit diagram)
• Severely reduced frame scan, about 2cm across screen. Slightly reduced width.
• No picture (intermittently). (picture attached)
• Horizontal line and no sound when cold. After 10 min., picture and sound are OK until new start-up from cold.
• Power supply fuse trips. No apparent shorted component. (service info for NORDMENDE -6405)
• Slight delay at start up. Fuse blows after starting up several times. (part of circuit diagram displayed)
• Colour flashes occasionally and when changing channel. (extract of circuit diagram attached)
• Sound crackles. Picture shifted during RF and grain in French reception. Picture ok in Belgium reception. Picture becomes normal with fine tuning.
• Dark screen. When G2 is pressed flyback lines visible on screen. Deflection ok as OSD works. (part of circuit diagram displayed)
• Vertical shaking. (+ extract of circuit diagram)
• Switches to standby (intermittently). (part of circuit diagram displayed)
• Becomes B/W in Canal Plus. Colour OK with other channels.
• LOP transistor is destroyed first few secs after power up. (6405 tips)
• Switches to standby (after start-up).
• No OSD. (with circuit diagram extract)
• FBT starts up for 1 sec then power supply goes into SAFETY mode. No standby LED.
• No NICAM.
• Flash of colour in Secam.
• No HT. Power supply starts up OK. When stimulated with external voltage to +12V from line transformer, HT starts up but pulsates quickly. (extract of circuit diagram attached)
• Picture fails, goes away completely.
• Defective E/W correction. Pincushion effect and picture too wide. Wavy vertical lines.
• Micro ST6391 blows at switch on after a few days. (extract of circuit diagram attached)
• Arcing noise.
• At switch on top 2 inches of screen has field jitter, followed by loss of video, RCU and front controls.
• No functions. (extract of circuit diagram attached)
• Channels run through when front control is operated.
• S2000AF becomes defective.
• At start up diode DP51 BY399 150V is s/c. (part of circuit diagram displayed) (6405 tip from NORDMENDE)
• BUH515 blows at switch off. OK if started up on the variac.
• No audio (after a few seconds). (part of circuit diagram displayed)
• Noise in audio. at low volume.
• No commands. OSD permanently on screen. No RC and no front panel. (6405 tips)
• No picture, no sound. Works in secondary.
• Dead. (+ extract of circuit diagram)
• Resistor (0R68) blows in power supply. (picture attached)
• Sound cannot be controlled, goes to full volume intermittently and the sound menu is missing.
• Picture and sound unsynchronised in French channel, OK in Belgium channel.
• Starts up then dead. Standby light off. (part of circuit diagram displayed) (6405 tip from NORDMENDE)
• Black screen. Sound and channels switching OK.
• Starts up, HT builds up, then shuts down.
• Line tearing, especially by grid pattern. (service info for NORDMENDE -6405)
• PSU does not start up. LED is off.
• ID01 (TA8751AN) and RD21 (10R) on board CDI2000 fail.
• No switch on. Appliance in safety mode. Standby dot lit. Standby power supply ok. (service info for NORDMENDE -6405)
• Vertical collapse. (extract of circuit diagram attached)
• EHT build up then powers down. (part of circuit diagram displayed)
• Linearity fault. Picture amplitude too large and E/W distortion cannot be adjusted.
• Crack can be heard in appliance, then horizontal bars in picture and sound buzzes. (6405 tips)
• Brightness flickers intermittently.
• Shuts down. after a few seconds.
• No colour in picture or OSD with severe yellow dominance. When measured on an oscilloscope RGB signals present with no chroma content. (picture attached)
• Line output transistor fails repeatedly.
• Venetian blind effect in background.
• Menu adjustment picture is permanently displayed. Cursor moves by itself intermittently. (6405 tips)
• OSG are permanently on screen.
• Picture size varies with brightness. (service info for NORDMENDE -6405)
• Whistles after operating for 15 mins. (picture attached)
• Noise in picture. OSD OK .
• Attempts to start up for a moment, red LED lights up. (NORDMENDE - 6405 information)
• Shuts down. (NORDMENDE - 6405 information)
• TV starts up for half a second then goes tostandby and into safety mode. (+ extract of circuit diagram)
• Picture is correct. Impossible to change channels or to adjust volume with the control panel or the RCU. The latter appears not to function.
• Switches off by itself. after a few minutes.
• Tuning drifts.
• Frame flyback after some minutes.
• No sound, only crackling noise.
• White screen at switch on. No sound. No operation from control panel and RC. Starts up if switch is pressed several times. After switch off everything blocks again.
• Field output IC repeatedly fails every 2-3 weeks. (extract of circuit diagram attached)
• No RC when warm. Permanent display of sound menu in HF and in scart.
• Standby LED flashes quickly. (with circuit diagram extract)
• Line ragging and cogging. (with circuit diagram extract) (service info for NORDMENDE -6405)
• Gun effect "pumped".
• Does not switch to standby. (extract of circuit diagram attached)
• RH03 (8K2) defective.
• No restart with RC from standby.
• Intermittently picture runs through, vertical sync jitters and two programs are skipped when changing programs.
• N/S correction impossible using potentiometers.
• Intermittently goes dead - no LED indicator.
• Switches to protection mode. after a few seconds.
• Slight green cast to picture.
• Vertical jitter. (6405 tip from NORDMENDE)
• 1" frame scan. No RF signal and frame collapse with signal. (with circuit diagram extract)
• Appliance fails sporadically. It runs only after switching off.
• Powers down by itself. No red when switched back on again even in TXT.
• Power supply and HT start up briefly then switch off. No standby LED. Power supply functions for only 2 secs when lamp is used. (picture attached)
• No colour. via RF output.
• Cycles on/off. intermittently.
• Excessive green. Flyback lines. (picture attached)
• TL19 S/C.
• To improve alignment. (6405 tips)
• OSG are missing, line synchronisation is missing on text. (+ extract of circuit diagram)
• RF noise. No picture.
• Unstable picture. when cold. (+ extract of circuit diagram)
• Raster fault, picture looks twisted. (part of circuit diagram displayed)
• Low audio (after a while).
• Venetian blind effect of horizontal lines superimposed on picture.
• Occasionally does not switch on. Standby LED remains dark. Sound and picture OK.
• At start up white picture and shrunk in E/W at the bottom of the screen. CTV then goes into safety mode.
• No start-up. Standby LED flashes . (part of circuit diagram displayed)
• Scan is non linear with field cramping. (part of circuit diagram displayed)
• Starts up for 1 or 2 secs then goes into standby and no more functions. Starts up again if deflector connectors are disconnected. (picture attached)
• Horizontal white line in middle of screen. Sound ok.
• Black screen.
• Line tearing. (extract of circuit diagram attached)
• Starts up at Power On. No power supply after a few secs. (extract of circuit diagram attached) (6405 tip from NORDMENDE)
• No sound or picture. Display off, power supply pulsates then stops. (part of circuit diagram displayed)
• FBT heats up and blows.
• Dead or tripping.
• No audio. No OSD. (picture attached)
• Red "P" on OSD. Tunes stations to incorrect channels. (part of circuit diagram displayed)
• No colour. Floating, unstable picture which is very distorted.
• Sound sizzling. Picture shifted in RF and grain in French channels. Picture OK in Belgium channels. IF module OK. Picture becomes OK with fine tuning.
• Noise at start up.LED flickers.
• Power supply control circuit IP01 (TEA2261)
• Dead. Red LED blinks. (+ extract of circuit diagram)
• Blue flashes on picture.
• No luminance. (with circuit diagram extract) (6405 tip from NORDMENDE)
• Intermittently loss of colour. IV01 has been changed, bell OK Identification setting is very pointed. (with circuit diagram extract)
• Picture is stretched towards the top and foldover. (part of circuit diagram displayed) (6405 tips)
• Red light on.
• IF instability when first switched on. Either a negative picture with poor sync or a display consisting of short white streaks.
• Field foldover. Scan reduction. (part of circuit diagram displayed)
• Vertical roll. (part of circuit diagram displayed) (6405 NORDMENDE repair tip)
• No signal (intermittently).
• Horizontal stripe. in the centre. (6405 tips)
• Line BU blows after 5 mins. (picture attached)
• Power supply pulsates. No S/C.
• TL19 blows at start up. (with circuit diagram extract)
• Colour fault.
• Blank screen. after a while. (extract of circuit diagram attached) (NORDMENDE - 6405 information)
• Intermittent image rolling through, vertical sync jitters and if program switch sometimes two programs are overjumped. (with circuit diagram extract)
• No brightness.
• It takes 20 minutes for contrast to reach its level.
• Two black bands on every side, about 2cm wide. Cannot remove them with PG01 without unsettling E/W correction. (6405 NORDMENDE repair tip)
• Standby LED is red then green, then switches off. (6405 tip from NORDMENDE)
• Trips occasionally. Goes into standby. Red/green light flashes. (+ extract of circuit diagram) (NORDMENDE - 6405 information)
• Top half of picture is dark. Bright horizontal line in centre of picture.
• Trips every 2-3 secs. (part of circuit diagram displayed)
• Line BU fails each time at switch on. (extract of circuit diagram attached)
• 1cm horizontal band in middle of the screen. 65V and 25V checked, vertical amplifier pot does not work.
• No operation via remote control or front panel.
• No TXT on CH4. (+ extract of circuit diagram)
• RCU, front panel buttons do not work. Sound is at maximum. Visualisation of the sound is displayed on the screen and does not disappear. Picture ok. (+ extract of circuit diagram) (6405 tips)
• No channel storing.
• Oversized OSD or OSD has shifted to the right.
• HT tries to build up for 1 sec then everything stops. No power supply secondary voltage. If line transformer disconnected, voltages go up again.
• Intermittently "P" appears in the middle of the screen. (part of circuit diagram displayed)
• Pop from power supply, HT appears for 2 secs then trips off. (6405 tips)
• Standby LED is lit red. No EHT. 150V on collector of line BU. 9V on pin 40 of IV01. (picture attached)
• Black and white only after replacing tuner.
• One colour missing. (+ extract of circuit diagram)
• RL26 is burnt.
• Occasionally black horizontal stripes on the picture then no picture. Sound is ok and normal line scanning. (+ extract of circuit diagram)
• Intermittently powers up then down again with a pop, or trips a few times, then powers down. (picture attached)
• Dead at start up. Poor power supply BU command when it is connected with the variac. Starts uip and goes into safety mode 10 secs after. (extract of circuit diagram attached)
• RC part number.
• Picture is black and white via scart. Noisy colour in PAL.
• No colour or one colour is missing. (+ extract of circuit diagram)
• Picture warms up slowly and has a blue tint. (6405 tip from NORDMENDE)
• Tripping. Standby LED flashes . (part of circuit diagram displayed)
• Shuts down (intermittently). (+ extract of circuit diagram)
• No start up of EHT. Standby LED lights up for 1 sec. then switches off. (with circuit diagram extract)
• One of the 3 colours is completely saturated and no picture. (part of circuit diagram displayed)
• Lines on picture. Intermediate frequency missing, at switch on.
• Protection mode activated. (part of circuit diagram displayed)
• Pincushion distortion. E/W fault.
• Does not decode Channel Plus. Audio OK.
• Flyback raster at top of picture. (+ extract of circuit diagram)
• One coloured circle appears for several secs on screen after switch off.
• No audio. via tuner. No picture. via tuner.
• Channels change at random, graphics. (6405 tip from NORDMENDE)
• Horizontal deflection transistor TL19 is destroyed every 2 days (C-E S/C). (picture attached)
• Power supply fuse blows every two months. (+ extract of circuit diagram)
• Intermittently great discharge.
• No start up. Power supply fault. (picture attached)
• Reduced horizontal size. (6405 tips)
• Starts up, no secondary voltages, all voltages are too low; eg. US125V: 5.5V instead of 7V, 2.5V instead of 24V. (picture attached)
• Line output transistor blown.
• No colour.
• Power supply circuit.
• Transformer LL05. (NORDMENDE - 6405 information)
• No start-up. Standby LED does not light. (with circuit diagram extract)
• Switches to protection mode. after start-up. (with circuit diagram extract)
• Tripping. Faint line. at top. (picture attached) (6405 tips)
• Red and green flashes during PB at times. (NORDMENDE - 6405 information)
• No HV. (picture attached)
• Dead. Starts for a few secs making a high pitched whistling sound then switches off. (with circuit diagram extract)
• Stuck in standby. Squealing from PSU. (part of circuit diagram displayed)
• Does not switch to standby. RC OK. (extract of circuit diagram attached) (NORDMENDE - 6405 information)
• FBT starts up for 1 sec then power supply goes into safety mode. (with circuit diagram extract)
• No colour in signal coming from SCART socket. (6405 tips)
• Sound barely audible.
• Sound distorted and quiet shortly after switch on, then ok.
• Excessive vertical size. Flyback lines. at top. (with circuit diagram extract)
• Line BU blows at start up.
• Trips. (extract of circuit diagram attached)
• Incorrect power supply regulation. (extract of circuit diagram attached)
• Mains fuse becomes O/C at start up.
• PSU BU transistor goes S/C after a while.
• Impossible to switch on by RC or control panel when switching off with the RC. Everything works well if mains plug disconnected and you switch on again.
• No E/W distortion. E/W phase and amplitude control do not react.
• Developments. Video circuit.
• Dead. Power supply correct at switch on but no line output stage. (+ extract of circuit diagram)
• No picture. Thin vertical lines in raster, not flyback. Intermittently picture appears at bottom of screen, approx 5cm.
• Picture is missing, intermittent jagged vertical patterning.
• Switches off after working for 10 mins and no standby point.
• No picture, no sound via tuner or scart.
• No TXT (intermittently). (with circuit diagram extract)
• Blue picture. Streaks in picture.
• TL19 blows at switch on while the time base appears to start up. (part of circuit diagram displayed)
• Line BU2508AF defective.
• No function. Standby LED does not light up even once. (+ extract of circuit diagram)
• No station tuning. Tuning menu display ok.
• TL19 blows continuously.
• Functions for 1hr then fails. Dead, no LED.
• Distorted picture and red tint in picture when warm.
• Flashing video signal. Field displaced 2" at top.
• When switching back goes into standby and a chirping noise from loudspeakers. (6405 tips)
• Cushion IC IG01 heats up and blows. (picture attached)
• Brightness, contrast, colour adjustments are displayed permanently and shade on the screen. (extract of circuit diagram attached)
• TV functions at start up then cuts out after 2 minutes. If you switch it off then on again, it functions again for approx 30 secs and so on. (extract of circuit diagram attached)
• Green picture.
• 10cm foldover at top of screen.
• No sound and no picture via the tuner and via scart. Line transformer ok.
• A "P" appears in the middle of the screen once every three days. Earths have been checked. FBT has been changed but nothing changes. The collar of the tube has been earthed.
• DP50 (BY228 or BYT71-800 ) is defective.
• Intermittent raster break and TDA8178 destroyed. The voltages are ok in normal function. (part of circuit diagram displayed)
• Dead. Power LED lit . (picture attached)
• No reception. Control panel and RCU do not function. PR03 is displayed and permanent stereo.
• After 20 minutes working, starts changing channels contineously (channel 1, 2, 3, etc.) as if done by oneself.
• Red LED on, power supply in burst mode. (+ extract of circuit diagram)
• TL19 blows after operating for 20 mins. (extract of circuit diagram attached)
• Primary circuit is in safety mode. (picture attached)
• No picture. No audio. OK via SCART . (+ extract of circuit diagram)
• Leaves standby mode then goes off.
• Power supply shuts down at switch on. (part of circuit diagram displayed)
• Sound menu appears on screen.
• After operating for a moment begins to scan all channels stopping briefly on those stored.
• Intermittently picture is dark or has black bars. (extract of circuit diagram attached)
• Reduced vertical size. on lower half screen.
• Distorted keystone picture. (part of circuit diagram displayed)
• Vertical foldover at top. (with circuit diagram extract)
• No sound or picture. X-hatch type pattern only.
• No picture. Audio OK .
• Dead. No LED. Tripping. (with circuit diagram extract) (NORDMENDE - 6405 information)
• No switch on in protective circuit mode. Standby power supply and LED ok.
• Power supply problems.
• TXT displayed to right hand side and excessive brightness.
• No colour except with fine tuning.
• Vertical fault. Horizontal white line. Audio OK .
• Starts up and it is possible to switch it to standby. Does not start up again via RC. Restarting is not possible unless it is switched off and then on again via On/Off switch.
• 1.6A fuse blows at switch on when cold. TV works ok with a 2.5A fuse. When warm starts up ok with a 1.6A fuse.
• Starts up then the 2SD1546 blows at once. (extract of circuit diagram attached)
• Moire effect in UHF.
• IF01 (TDA8178FS) destroyed at switch on.
• No E/W correction. (part of circuit diagram displayed)
• No picture. White screen with sound on the channels. Chroma functions. Good colours on scart socket in VHF and UHF. (part of circuit diagram displayed)
• RF noise and no picture.
• Comes out of standby, green LED lit briefly then goes off. (extract of circuit diagram attached)
• CTV seems to start up, green light comes on for 2 secs then turns red for 1 sec then dead.
• Reduced vertical deflection.
• Picture slow to warm-up and has blue tint to it.
• Flashing standby LED. (part of circuit diagram displayed)
• Canal Plus remains encoded. Does not switch to AV.
• Blocks on one channel with the sound menu.
• Trips. after a few seconds. LED lit. .
• Dark picture or black bars intermittently. (extract of circuit diagram attached) (6405 tips)
• No TXT. Off air picture remains in TXT. (extract of circuit diagram attached)
• Coloured screen with flyback lines.
• Flickering at top. Luminance and chroma flashing ON/OFF.
• At start up power supply US increases to 140V then reduces again to 1 or 2 V. (+ extract of circuit diagram)
• No picture and no sound following a storm. No OSD.
• PSU pulsates.
• Secondary voltages oscillate. Oscillations of at least 1 or 2V on Us. 318V on collector BUH515.
• Picture fades in red even when reducing colour to max. (extract of circuit diagram attached)
• Mains fuse blows approx every 6 months.
• Light and contrast are at minimum. Picture is ok. When you increase light and contrast picture becomes negative. Yellow is dominant, red point at the centre in picture pause.
• At switch on the standby LED switches on for a short time then TL19 (2SD1546) blows. (picture attached)
• No signal. Snowy raster. OSD OK . (6405 tips)
• Tripping. Line output still pulsating. (picture attached)
• Starts up, EHT audible and goes into standby.
• Bars in picture. (picture attached)
• After rerouting from pin 3 of line transformer and installing a 100W bulb the lamp come on for 3 secs then goes off. (with circuit diagram extract)
• Picture geometry varies according to picture content. (part of circuit diagram displayed)
• Picture shifted to the right. (with circuit diagram extract)
• Poor picture, poor focus picture varying.
• Brighness/contrast/colour/sound menu remains constantly displayed on the screen. No reception and the commands no longer function.
• Height varies from normal to excessive. (picture attached)
• Dark picture. Flyback lines. (extract of circuit diagram attached)
• Comes on for a few secs with high pitch whistle then powers down. (picture attached)
• Black and white in PAL and SECAM.
• Goes into standby when warm. Red light on. Impossible to switch on with RC but starts up again if switched off with switch. (+ extract of circuit diagram)
• When you switch on you hear line scanning which starts up for a second then goes to standby. Occasionally normal start up several times in succession.
• Insufficient frame amplitude. TDA8178 heats up. (picture attached)
• Linearity error. Too high picture amplitude. No E/W correction.
• Unstable picture. intermittently. No synchronisation. intermittently.
• Trips. at start-up.
• Dead. No output from PSU. (part of circuit diagram displayed)
• Line tearing for a few minutes after start-up, then horizontal stripes on picture.
• Low brightness.
• Dark screen. (part of circuit diagram displayed)
• CTV remains in standby. At start up CTV appears to come on then goes to standby. (extract of circuit diagram attached)
• Switches off by itself. after start-up.
• Tube scans, channels scroll, TV control panel and RCU do not work.
• Random visual effects displayed on OSD intermittently. (extract of circuit diagram attached)
• Whistling from PSU. at start-up. (6405 tip from NORDMENDE)
• Black screen with white patterning. (6405 NORDMENDE repair tip)
• No sound, no picture and no standby. (picture attached)
• RP62 in field circuit goes O/C at switch on. (+ extract of circuit diagram)
• Reception problem in UHF and VHF. (service info for NORDMENDE -6405)
• Black and white in PAL, scart or RF. (NORDMENDE - 6405 information)
• Does not switch on. LED OK. (extract of circuit diagram attached)
• Snowy screen. No channel reception, no RC. P01 on OSD.
• Production mode. Occasionally may go into production mode in a random fashion (A red "P" appears on the screen).
• Content of PSU maintenance kit. (service info for NORDMENDE -6405)
• Power supply cuts out intermittently. (with circuit diagram extract)
• Patterns in picture.
• Black planar. Treble sound, no low pitch, slight crackling in the words. Previously defective solder joints on tuner and IF. (picture attached)
• Poor picture. (picture attached)
• Trips once at switch-on.
• Cuts out when standby selected. No red LED. (with circuit diagram extract)
• Keystone picture distortion. (extract of circuit diagram attached)
• Black lines on screen. (NORDMENDE - 6405 information)
• East-West adjustment is poor. (extract of circuit diagram attached)
• Part no. info: PSU repair kit.
• When cold standby starts up for 3 secs with on/off switch then dead. (+ extract of circuit diagram)
• LED blinks fast, no other functions.
• Frame is only 1inch.
• IF instability.
• No functions. Standby LED lit . (extract of circuit diagram attached)
• Very dark and predominately magenta coloured picture which looks slightly negative.
• Very dark picture, low contrast and faint colours.
• Power supply voltage is too high (+20%).
• Blocks on channel 1 which is permanently displayed. If P+- pressed, no command at start up. (part of circuit diagram displayed)
• No control from RC. Function ok from TV but dead if button is released.
• Trips (intermittently). (part of circuit diagram displayed)
• TV switches on, white screen, no function. Volume Barograph displayed. (part of circuit diagram displayed) (6405 tip from NORDMENDE)
• N/S pincushion pot does not react.
• Start up problem. Restarts well after standby. (extract of circuit diagram attached)
• Thin, black, wavy lines in picture.
• Reception on the desired channel. Black and white picture when refining. Colour picture but with interference. IF tuner has already been changed.
• Linearity error. E/W-distortion, cannot be adjusted.
• Blank raster. Flyback lines. Audio OK . (extract of circuit diagram attached)
• Blocks after operating for an hour. No channel or volume change on the RCU or on the front panel, the channels may also run through continuously.
• Blue screen with volume symbol and no volume. Picture ok at switch on.
• Enter service mode.
• Switches to standby. LED is red .
• No raster, no sound. Trips once at switch on.
• Volume display appears at irregular intervals. Volume decreases to 0 and cannot be adjusted via RC and user control.
• Weak colour on strong signal and vice versa. (6405 tip from NORDMENDE)
• Intermittently dead. (with circuit diagram extract) (service info for NORDMENDE -6405)
• Switches to protection mode. after a few minutes. (with circuit diagram extract)
• Normal in TV but in scart with a game or a PC, vertical and horizontal shrinkage of the picture with a white line at the base. The same when scart is disconnected. TV must be switched off before it works again.
• Standby LED comes on then goes off after 10 secs. (part of circuit diagram displayed)
• Displays PI in red. RC does not react.
• Safety circuit for the high voltage transformer (TV01). (6405 tips)
• Snow in picture.
• Power supply of IR01 (ST6391).
• No sound and switches OFF after a few minutes. Picture is normal. (6405 NORDMENDE repair tip)
• Switches to protection mode (after a few seconds). (part of circuit diagram displayed)
• Insufficient picture width. Poor geometry.
• OSD appears at random. Intermittent front controls.
• Picture hesitates between colour and black and white. The colour, when it is present, is weakly saturated. (picture attached)
• Starts up, HV is present for a few secs, then switches off and PSU switches to protective circuit.
• No TXT. OSD OK .
• Failure of chopper/line o/p.
• No picture, no sound. No thermal tube noise on screen. Ok via scart.
• Mauve line in middle of screen 3 days after changing IF01 (7801FS). Line turns white in 10 secs and TV cuts out. (part of circuit diagram displayed)
• Goes dead between 30 seconds to 2 minutes. (+ extract of circuit diagram)
• TV pulsates, standby light flashes. (with circuit diagram extract)
• Vertical TDA8178 blows for no reason. Deflection ok. (with circuit diagram extract)
• Display too large and shifted to the right. (service info for NORDMENDE -6405)
• Incorrect E/W adjustment. (part of circuit diagram displayed)
• No remote control. Red point on the left of the screen. Sound is adjustable. (picture attached)
• Fuse blows after several days. (picture attached)
• Switches off completely after hours/days, also the stand by LED is off. By pressing the mains button or pulling out or plugging in the plug, PSU starts up again and runs perfectly. Not knock or temperature sensitive.
• No picture or sound at switch on. Control panel does not light up. (NORDMENDE - 6405 information)
• To prevent repeated failure of the BUH515 chopper transistor TP29. (NORDMENDE - 6405 information)
• Field jitter at top 2" at first then no video, no RC front panel function.
• Sound buzzes loudly after approximately 20 minutes. (extract of circuit diagram attached)
• Appears to want to start up then line BU blows at start up. (extract of circuit diagram attached)
• Weak colour.
• Goes into standby or stops. (6405 tips)
• IF01 causes green IC to blow. (picture attached)
• Due to strong CB interference the TV blocks and power supply stops completely.
• Weak contrast. (part of circuit diagram displayed)
• CL21 has burnt out with a bit of track and TL19 blows. 2 components have been replaced, TL19 by a BU208AF, CTV starts up then stops, TL19 blows.
• No horizontal synchronisation. No vertical synchronisation. (extract of circuit diagram attached)
• No colour. via SCART. (NORDMENDE - 6405 information)
• Vertical foldover at bottom. (6405 tip from NORDMENDE)
• E/W fault.
• Starts up three times then switches off.
• Low audio.
• Sound increases to maximum level. Manual functions and RC impossible.
• Dark screen and horizontal line. Insufficient line amplitude.
• Field foldover. Top of screen flyback lines are present.
• ICC7321AN, IF01 and TDA8178FS become S/C at Power On.
• Vertical foldover. at top and bottom.
• Standby LED flashing. (picture attached)
• At switch on line deflection is heard starting up then stopping.
• Goes into safety immediately after horizontal deflection coil is connected. Vertical deflection ok. (+ extract of circuit diagram)
• Blank raster on TXT. 4" band of red & green streaks at bottom intermittently.
• Nasal sound in French channels. CCIR sound OK. Sound OK via scart.
• Intermediate frequency missing, at switch on.
• Distorted picture. at top and bottom. Colour OK .
• Raster fault: white line.
• No N/S correction. (with circuit diagram extract)
• Starts up briefly, disconnects and switches on again.
• Bright horizontal line in the middle of picture and no vertical deflection.
• Power supply pulsates. Appliance is in safety mode. (extract of circuit diagram attached)
• CL21 and TL19 defective.
• Only some manual functions. (part of circuit diagram displayed)
• Trips (after start-up). (part of circuit diagram displayed)
• Normal picture but no sound. Bar graph remains on screen. If sound is increased from control panel it increases, if you release the key it decreases and fixes at 0. Channel change is correct. No function with the RCU. (+ extract of circuit diagram)
• Starts up then stops after 3 secs. (extract of circuit diagram attached)
• AV switching threshold for camcorders.
• How to store standard values.
• Blurry picture.
• Voltage U system 240V for a few secs then power supply trips. At start up resistor 0.27 on 24V was burnt. (with circuit diagram extract)
• Starts up and immediately switches off and red standby LED goes off.
• Intermittent black and white lines, appearing usually when switched on or when very hot. (extract of circuit diagram attached)
• No switch on. Appliance in safety mode. Standby dot flashes.
• Dead. Slight noise from power supply at switch on. (+ extract of circuit diagram)
• Green colour at start up for 20secs. After heating up for 10mins, screen is completely green with a flyback line. (with circuit diagram extract)
• Flashing picture. Weak contrast.
• TL17 is o/c and causes a s/c on TL19. (picture attached)
• White dots (like satellite sparkles).
• Reduced vertical size. (with circuit diagram extract)
• Flyback lines. at top.
• No OSD. No TXT line sync. (+ extract of circuit diagram)
• Weakly visible vertical lines in the picture. (part of circuit diagram displayed)
• Switches to protection mode after producing a short beep.
• No power supply operation.
• White screen. Flyback lines.
• Appliance keeps blowing its mains.
• No blue. (extract of circuit diagram attached) (NORDMENDE - 6405 information)
• Dark picture with spiralling colours towards left hand side.
• No picture or sound, volume display at minimum.
• Blue screen. Flyback lines.
• Streaks in picture.
• There is an OSD, but no text. Picture trough scart rolls diagonally.
• High voltage builds up briefly,then appliance switches off completely. No LED flashes. (6405 tips)
• Standby LED stays on for just a few seconds. (+ extract of circuit diagram)
• Display blocks on prog 1, no commands from the RCU and no reception.
• At power up, louder than usual EHT can be heard to rustle up, green power LED lit then appliance dies alongwith LED.
• Dark screen. Sound OK. Filaments are lit but G2 do not function. (part of circuit diagram displayed)
• Faulty red and blue convergence.
• Abnormal picture from the chroma point of view: red seems ok.
• Tuning is incorrect, red P is displayed. (+ extract of circuit diagram)
• Appliance leaves standby, green LED briefly lights up. (picture attached)
• Moire effect over whole screen on all channels. Poor reception in TXT mode.
• Dim picture. (with circuit diagram extract)
• BUH blows in PSU.
• Switches to standby after 30 seconds.
• Standby display goes out.
• Under certain conditions the appliance may revert to factory set-up mode.
• Loud screeching noise. (part of circuit diagram displayed)
• Picture foldover on the top half of the screen. (picture attached)
• 1,6A fuse and TP29C blow at start up. (6405 tips)
• Switches to protection mode. possibly intermittent. LED lit. .
• No TL17 line drive after 10 secs. (+ extract of circuit diagram)
• Appliance trips and at the top of the screen a faint line appears if the appliance is left on.
• TV functions for approx 1hr then goes into standby. Any attempt to start up again is impossible and clicking in loudspeaker. After stopping for 15 mins, TV functions again for 1hr. (extract of circuit diagram attached)
• Interference noises in all programmes..
• Picture width changes when adjusting contrast (beam current dependent).
• Fuse 1.6AT blows once a week at switch on.
• NICAM sound clicks.
• When stopped by the RC a vertical ray appears at the top and bottom of the screen. This fault does not appear if appliance is stopped by the mains switch.
• Red vertical line in the picture.
• OSD stuck on screen.
• Picture blinks on-off slowly. Some colours are missing.
• After several hours OSD appears and volume increases to maximum.
• Picture jumps and becomes dark at switch on. Sound disappears and reoccurs after 1 or 2 mins.
• Chroma flashes and colour fading. Fault occurs randomly when hot or cold. (+ extract of circuit diagram)
• Switches to protection mode. at start-up. (picture attached)