7514J COLOR3636 / NORDMENDE [TV]

• Power supply fault. TP37 and TP32 have a short circuit and occasionally TP38.
• No display. Appliance starts.
• TP32 heats up.
• No switch on. Standby indicator lights up.
• Cannot be switched on or switched to standby. Standby indicator does not light up. (7514J NORDMENDE repair tip)
• TL54 (BU807) becomes very hot after a few mins and blows. Normal picture.
• No erasing possible.
• Does not memorise channel tuning. Display shows channel when TV tunes onto a programme. 'Ch' appears on display when pressing 'S' and channel number reappears.
• No picture in UHF, voltage for band change and tuning is OK.
• RP02 and power supply BU blow.
• When warm flickers between picture and TXT. Characters keep popping up on screen (7514J NORDMENDE repair tip)
• Intermittent loss of sync, a blank raster, no sound, switching to standby and the LED channel display going off.
• TP32 fails at switch on. (picture attached)
• The appliance blows up on a very light background.
• The appliance hums and the picture is unstable. (NORDMENDE - 7514J information)
• Only switches on occasionally, but without picture and sound. Occasionally very high switch on current consumption.
• No image, red raster and flyback lines visible. (picture attached)
• Crackling in sound and picture in UHF and VHF. No sound via scart.
• Excessive green.
• Vertical bar.
• Voltages from FBT gradually decrease then line BU S2000 blows after operating for 15 mins.
• Vertical centre adjustment.
• Negative picture. Distorted picture. OK via SCART .
• Secondary protective circuit TV01 and TV02 disconnects intermittently. (service info for NORDMENDE -7514J)
• Poor display.
• Bright picture. at top and bottom.
• No video or scanning. Channels are displayed. (7514J tips)
• RP61 burns out.
• Tripping. (7514J tip from NORDMENDE)
• The colour appears after a few minutes.
• Reference oscillator beat adjustment: PAL decoder.
• Black band at bottom of screen over approx 8cm. Picture has shifted to the top.
• No sensitivity in the tuning.
• Faint blue picture with no picture content and flyback lines. (part of circuit diagram displayed)
• No horizontal deflection.
• Horizontal centre adjustment.
• Switches to protection mode. after start-up. (+ extract of circuit diagram)
• Fuse blows as soon as degaussing is connected.
• RP23 and transistor (BU508A) have blown.
• Channels from 21 to 32 come through well but with lines and nothing comes through from 41 to 53.
• Switches to standby after 6 or 7 minutes with or without aerial signal.
• Power supply fuse blows. When it has been replaced, TV functions again for several days. (7514J tips)
• Replacement kit of thyristor ESM740/G1/G2.
• Poor vertical and horizontal amplitude with slight waving at sides, when cold. Everything returns to normal within 5 mins. (NORDMENDE - 7514J information)
• Transistor BU508 fails repeatedly. (NORDMENDE - 7514J information)
• No start up. PSU blocked.
• Sound and picture cut out, display for 30 secs.
• PSU does not always start after switch on via front control or RC.
• No colour.Flag-effect.
• No high channels can be requested.
• TP29 fails after switch on.
• Spots of colour on the screen.
• Distorted picture. Strong streaking.
• No function, standby point is not visible.
• Channels below 30 cannot be received (chassis ICC4).
• Excessive brightness. (7514J tips)
• Contrast and brightness cannot be adjusted properly. (part of circuit diagram displayed)
• Programmes memory is lost once a month. (7514J tip from NORDMENDE)
• Stations appear and disappear. Horizontal lines in picture.
• Insufficient picture width, poor lines visible on screen
• No colour (intermittently). Line tearing.
• TP32 and TP38 have a short circuit.
• Power supply defective. (7514J tip from NORDMENDE)
• The appliance goes to safety mode and mute.
• No picture. No sound. Programs can also be switched over.
• No functions. (part of circuit diagram displayed)
• Muted audio. (service info for NORDMENDE -7514J)
• Does not switch on. No standby.
• Channel storage is erased.
• No tuning.
• Horizontal collapse.
• Dark screen.
• The varicap voltage does not move.
• The channels unkey after a while.
• RP51 (0R22) blows intermittently.
• Horizontal deflection is missing. Protective circuit disconnects. Standby point flashes.
• Picture shifted vertically.
• Adjusting the white setting.
• Rainbow effect in the centre.
• No reception on band I, or only picture flickering.
• Noise on channel 09 (band I) - colour picture. (with circuit diagram extract)
• At start up no line scanning or raster, TV displays PR. After approx 30 mins TV starts up.
• The power supply is correct without a load (U1 is up). There is a complete stop in the load.
• After changing the battery, how do you adjust the channels without remote control IR?
• Displays PR and does not start
• S2000 is s/c. Replaced with the original repair set, it still fails. (picture attached)
• Deprogrammes approx every 4 to 5 months.
• The linearity coil whistles.
• The picture shifts towards the bottom of the screen.
• FBT ok at start up but dark screen except for 3 coloured lines in top third of screen. Sound and display of channels ok. (service info for NORDMENDE -7514J)
• General information.
• Picture is pulled at the top. Poor line sync. (+ extract of circuit diagram)
• No adjustment.
• Interference lines in the top part of the screen. (7514J tip from NORDMENDE)
• Reduced horizontal size. (picture attached) (7514J tips)
• Coloured tinge in picture.
• High contrast.
• Switches to protection mode.
• Slight hum of vertical bars.
• Vertical IC blows repeatedly after a few days.
• Phase comparator fault on TV. Ok on secondary.
• Switches to protection mode. intermittently.
• RP02 burns at switch on and destroys TP32 S2000A1. (service info for NORDMENDE -7514J)
• No start up. PSU whistles even when secondary side disconnected. (7514J tips)
• Coloured flyback lines and poor picture.
• No scanning. Display ok.
• No vertical synchronisation.
• No videotext mode.
• Noisy sound or no sound at all.
• No picture, no sound - PSU is switched off.
• Cannot be switched on or switched to standby. Standby indicator does not light up.
• The appliance crackles and the picture framing is incorrect.
• Picture flickers and stripes in the picture.
• RP11 blows.
• No start function via RC. With mains switch appliance switches into standby. (picture attached)
• No picture. after a few minutes. Audio OK .
• White, bright picture, picture poorly distinguishable.
• Picture spraying on band I (heat dependent at DP51). (picture attached)
• Power supply, fuses, BUs, etc, blow each time appliance is switched off by ON/OFF switch.
• Slow start-up.
• In normal charge, TP32 and TP38 switch off. The appliance functions without a charge. (7514J tip from NORDMENDE)
• Power supply stops occasionally, approx after 1/2 hour (very irregular).
• Dark picture.
• DP51 s/c after operating for half an hour.
• Poor vertical synchronisation. Picture shifted vertically. at top. (picture attached) (7514J tips)
• No picture. Vertical coloured lines. Raster problem.
• Mains switch no start up. (picture attached)
• Line BU (BU508) becomes hot and blows. At base of BU there are double pulses.
• The line framing is incorrect.
• Snow in picture. in UHF.
• No colour. No shutdown with RC.
• Picture appears slowly. Display OK .
• The power supply is destroyed.
• No UHF channels.
• No transmission in UHF (12V on pin 10 of the tuner connector).
• No picture. Check the signal on pin 10 of IT20.
• No picture, no sound and programme display does not light up.
• Line stage does not start up.
• TP29 fails after start-up. (7514J tip from NORDMENDE)
• Standard CCETT adaptation.
• Power supply kit has been changed, has been working for 2 days and TP32 s/c, RP11 o/c, TL54 s/c, DL66 s/c, etc. Everything has been replaced, then no U1, U2, U3, U7, power supply transformer OK.
• No TXT.
• Poor contacts.
• No start-up. Display OK .
• Poor reception. in VHF. (7514J NORDMENDE repair tip)
• The appliance crackles during low Gamme UHF. (7514J tips)
• Does not come on from standby, red standby light comes on. TV01 and TV02 in the protective circuit respond.
• Image noise in upper channels (e.g. channel 60, 99) only. (with circuit diagram extract)
• On start up, black interference lines appear then the screen is white.
• Low hum of vertical lines. (+ extract of circuit diagram)
• Display ok, 90V, 13V and 22V are ok. Output 10 of TEA2026 to the line driver and the wave peaks are not in the correct frequency. IC and quartz have been changed.
• Hesitant start up. Mains button must be pressed several times. If appliance runs, fails again most of the time after a few mins.
• The 108V voltage varies (U-system). (7514J tips)
• E/W fault.
• No start-up. No display. (7514J tip from NORDMENDE)
• The appliance switches off for a short time and back on again. (with circuit diagram extract)
• Sound is always at max even if appliance displays volume with 00.
• Display appears after 15 secs, then pulsates on and off (no breaker circuit). (with circuit diagram extract) (7514J tip from NORDMENDE)
• Vertical line.
• The PSU fails instantly. When this is replaced by the repair kit the same problem arises.
• BU807 blows regularly. FBT and TEA2026 have been changed.
• Reluctant to start then produces a picture with reduced width.
• Top part of the picture is too wide and bottom part is too narrow
• Lacks horizontal amplitude. Regulation does not function.
• No picture. Fusible resistor RP47 (0R22) in U2 13V-rail blows repeatedly.
• No reception. via tuner.
• Purity spot and scanning are incorrect.
• When cold, no sound and no line amplitude then finally starts up.
• No picture. Flyback lines. at top. Audio OK . (service info for NORDMENDE -7514J)
• Line output stage doesn't start up.
• Starts to pulsates. Sound, picture and display present.
• No start-up (intermittently). (part of circuit diagram displayed) (NORDMENDE - 7514J information)
• Start up ok. Picture and sound ok. After 15 minutes or more than one hour no picture but son ok. Horizontal white line.
• No command signal on the IL03.
• Intermittent loss of synchronization.
• Unstable lines and there is an interference line at the base of TP32.
• TP32 in the PSU is s/c.
• Only switches on after 70 secs. After start up everything is ok.
• No channel search.
• Fuse blows constantly.
• Very snowy picture in UHF. Apparently the fault is at the level of the tuner UHF 4200.
• Appliance goes into PAL. Occasionally no display. (7514J NORDMENDE repair tip)
• Picture is dark. When Ug2 is completely there, a bit of the picture is present.
• After switch on, vertical centering is shifted intermittently upwards approx. 2 cm; it goes to normal position after approx. 10 minutes.
• Switches to standby. after a few minutes.
• TL54/TP32 are destroyed.
• Contrast average value is too high.
• No start-up. (with circuit diagram extract)
• Poor picture alignment.
• Power supply BU S2000 (BU508AT, BU508AF) S/C.
• Appliance does not function with the mains switch then starts up again with another button. (service info for NORDMENDE -7514J)
• Line oscillating or tearing.
• No picture. Sound and display are OK.
• Dark screen, 5 or 6 coloured lines at the top of the screen. Picture returns if appliance is hit.
• Systematic failure of TL54. At switch on TEA2026 has been changed.
• No picture or sound. At switch on display indicates a channel but no control is possible.
• Vertical amplitude is too low.
• Black band on one part of the screen and interference.
• Snow, no voltage on Varicap.
• Power supply fault.
• RL41 O/C due to dry joints below connector BD01.
• Poor vertical synchronisation.
• Searches for channels continuously.
• The power supply does not start up. No standby
• Shade appears behind the picture.
• No image content, only HF noise. (picture attached)
• After a few days the TV fails. RP11, TP32 and TP38 are defective. The 925TX1283 unit has been replaced: TP32, TP38, CV16, DP33, DP41, DL62, DL64, QL11, CP31, DP32, DP38. (service info for NORDMENDE -7514J)
• No light and the appliance cuts out.
• The blue circuit is pale.
• PSU repair tip.
• No brightness (only outlines can be recognised). Colour is ok.
• No vertical deflection.
• IL03 (TEA2026) blows up when the appliance goes into AV on TV 42cm.
• Normal in black and white. In chroma, red of picture is green, blue is red and green is blue.
• Station tuning disappears.
• Vertical collapse (intermittently).
• No function display. CTV functions via the front panel and the RCU.
• No picture. No audio. No channel display.
• When switching on BU508A and RP11 fail after 2 secs. (7514J NORDMENDE repair tip)
• Power supply fails at less than 100V.
• Dark picture. after a few minutes.
• Excessive vertical size. (7514J NORDMENDE repair tip)
• Line instability.
• Picture drop out and development of smoke. A "rainbow" is visible in the picture.
• Tuning voltage drifts. (7514J tips)
• The power supply does not function with load.
• S/C in PSU. (+ extract of circuit diagram) (NORDMENDE - 7514J information)
• PSU inoperative.
• Horizontal deflection and line oscillator failed. (with circuit diagram extract)
• No brightness. Three RGB colour bands on left and right of the screen. (7514J tip from NORDMENDE)
• Picture flickers slightly from bottom to top. After removing display indication (control unit) picture is ok (less current). (with circuit diagram extract)
• Vertical line. in the centre.
• 90V problem. RP51 heats up and cuts out. DP51 and CP51 ok. Brand new line transformer.
• There are 1300V present instead of 900V peak to peak on the collector of the TL37 (BU508ATB). This breaks after some time. (7514J tips)
• Blank screen.
• U1 = 60V instead of 90V.
• The power supply does not start up. All transistors have been changed.
• The appliance pulsates 3 times then goes to safety mode.
• Does not start up. Only displays the channel number. Power supply kit has been replaced.
• Switches off intermittently or does not switch on at all.
• Loud audio.
• Image compressed horizontally. Insufficient width approx 1cm on left and right of screen.
• No 300V at collector of TP32. If collector is disconnected 300V appear.
• Both vertical and horizontal synchronization instability. (7514J NORDMENDE repair tip)
• Standby indicator flashes.
• Vertical lines at edge during EE operation and via AV. (+ extract of circuit diagram)
• No RC functions.
• Vertical picture position shifts intermittently upwards approx 2 cm after switch on. It is OK after approx 10 mins.
• Low audio. (service info for NORDMENDE -7514J)
• No secondary voltage. (7514J NORDMENDE repair tip)
• No search possible. TV switches off without the 10th, 20th and 30th channel.
• Tube lights up as if G2 is at max (as if blocked in video). The same if an oscilloscope is put into scart. Sound and scanning ok.
• The picture is blurred (spot at the bottom of the screen).
• U Varicap = 20V and will not change.
• Switches to standby (intermittently).
• Standby LED flashes. (service info for NORDMENDE -7514J)
• Vertical foldover at bottom.
• DP51 heats up.
• Vertical lines are distorted horizontally. E/W equalizer can not be adjusted correctly.
• Secondary protective circuits TV01 and TV02 disconnect intermittently.
• Poor startup.
• Fails frequently when operating.
• Black screen. Display is lit. Intermittent sound. Fault occurs both via aerial and SCART.
• TL19 fails in line output stage. (service info for NORDMENDE -7514J)
• No colour, picture streaking.
• Does not start up when cold. Audio , display OK.
• Vertical deflection has collapsed to a bright line in the middle of the screen.
• Can not be switched on from standby via RC.
• No functions. Standby LED is not visible. (7514J tips)
• Vertical blue bar on centre of screen. No picture.
• Is it possible to fit a TEA 2026C in place of a TEA 2026T ?
• No U system.
• The appliance takes 2-3 minutes to start up.
• Picture appears slowly.
• No 90V, RP51 burns. BU807, BU508.
• Adjusting Us= 108V.
• TP32 (BU508) and TL37 (BU508) fail immediately after switch on. (with circuit diagram extract)
• Picture is bright and white with flyback lines. (part of circuit diagram displayed)
• At switch on when cold picture is reduced in height and width of the screen. After heating up for some time scanning becomes normal. Fault is no longer visible. You must wait until TV has cooled down sufficiently.
• 300V on the collector of TP32. Oscillates at its base but no voltage on the secondary.
• No speacial channels. Appliance works only up to channel 69. Display for brightness shows L (= English mode) instead of B.
• Power supply breakdown due to a volt-rise of the power supply kit.
• Horizontal stripe (intermittently).
• The display is incorrect and PE appears.
• PSU is defective, after replacing the protection resistor RP11 and transistor TP32 (BU508) there is still a s/c ie. after switching on appliance there is another complete s/c of the BU 508A straight away.
• Sound to zero level. When volume is increased, sound goes back to zero level. Random channel switch-over. (7514J tips)
• TL19 fails in line ouptut stage.
• No horizontal or vertical deflection.
• TP01 (BUT12A) fails after longer operating time
• No system adjustment.
• No vertical deflection. intermittently. No audio. intermittently. (7514J tips)
• When switching into standby mode from the remote control the appliance switches off the sound and colour. This effect also occurs with a Condor appliance.
• No display. TV functions well. Channel change over ok.
• TEA 2026C is defective.
• Loss of sync/raster/sound. Display goes off.
• Switched-mode power supply (SMPS) does not start up. (part of circuit diagram displayed)
• Picture width fault.
• No picture content, rainbow colours at upper edge. U4 (17,5V) is too high, voltage at thyristor anode too high (approx 30V). At pin 4 of IC03 (TEA2026C) voltage is too high, instead of (2,8V approx. 7V).
• Focus adjustment.
• Black picture with 10cm of RGB horizontal lines over the whole screen.
• Flyback lines. No brightness. No contrast.
• Line stage does not start up.
• No picture on channel 99.
• IR receiver does not function.
• Intermittent loss of sync. Blank raster. No audio. No LEDs.
• Vertical lines on edge in EE-mode and via AV.
• Reduced vertical size.
• Picture is dark or partially ther.
• U1 is instead of 84-90V only approx. 60V. Current consumption is over 100W.
• The picture is delayed by a few minutes.
• Contrast and colour are excessive at preset condition.
• Setting the vertical amplitude.
• PSU fails immediately after switch on.
• The fuse blows because RP02 heats up.
• On channels from 21 to 27 picture is ok, from 32 to 35 lines on picture and from 41 to 47 no picture.
• Focus pot is defective.
• The luminance signal disappears occasionally.
• PAL run time decoder adjustment - PAL decoder.
• Standby light flashes, fuse blows. RP11 and TP32, BU508 fails.
• At start up 90V makes 12V. After 2 mins picture and sound present but 90V reaches a maximum at 85V.
• The picture blows up and the bottom of the screen is bright.
• Does not start up. Standby LED switches off.
• Switches to standby. after a while.
• Dead. (service info for NORDMENDE -7514J)
• Wide dark stripes on left side of picture.
• Dark screen. on the left.
• Too much contrast, cannot be adjusted to less. (part of circuit diagram displayed)
• Volume varies.
• Poor line synchronisation. Picture is shifted up. (+ extract of circuit diagram)
• Approx one third of the top of the picture is crushed.
• Picture hum and picture is slightly brighter at the top and bottom. (with circuit diagram extract)
• No horizontal deflection. intermittently. (NORDMENDE - 7514J information)
• Unstable luminance when the appliance is warm.
• Starts up after 3 mins.
• When warm picture lifts from the bottom and narrows at the top, black lines at the bottom of the screen.
• No reception at band I, or image flickering only. (picture attached)
• Fuse blows at random, even at switch off.
• U7 = 15V and there is no 12V voltage. A black band appears on the screen.
• PSU does not start up with a mains voltage more than 200V, ok with a voltage less than or equal to 200V.
• Crackling in sound and picture in UHF and VHF. No sound in scart.
• Goes into standby every quarter of an hour or half an hour.
• No start up. can be switched on after some time in standby. Sound OK.
• No start up or reset.
• Adjustment of 5.5MHz min. or 4.43MHz min.
• TP32 (BU508) becomes defective after appliance turned ON/OFF several times. (part of circuit diagram displayed)
• Screen blank. Dark picture.
• Screen blank, only RF-noise. No 0,5-30V tuning voltage at RT11. The three band switch transistors are conductive. Error may also occur only sometimes. (NORDMENDE - 7514J information)
• Ghosting effect.
• Picture predominantly red in SECAM. Ok in PAL via scart. (7514J NORDMENDE repair tip)
• No brightness on picture. Chroma present with vertical instability and no sound.
• When appliance is switched on mains BU fails immediately.
• Adjusting the screen grid voltage (grey setting).
• Picture too small. at start-up.
• PSU fails after start-up.
• No start-up from standby with RC. (7514J NORDMENDE repair tip)
• No luminance. (NORDMENDE - 7514J information)
• Volume uncontrollable.
• The sound and picture hum.
• Standby flickers.
• After switching on the mains progamme indication in the display but no picture and no sound. (part of circuit diagram displayed)
• R82 (10R) on the tube base board fails.
• Sound purrs when tuning, picture is correct. Sound is possibly correct but picture disappears.
• BU807 (TL54) cuts out.