CTV2195 / NETWORK [TV 51 (47/48) cm picture]

• The PSU fails instantly. When this is replaced by the repair kit the same problem arises.
• The picture is blurred (spot at the bottom of the screen). (CTV2195 NETWORK repair tip)
• 300V on the collector of TP32. Oscillates at its base but no voltage on the secondary.
• Only switches on after 70 secs. After start up everything is ok. (CTV2195 NETWORK repair tip)
• Unstable luminance when the appliance is warm.
• Picture is bright and white with flyback lines. (extract of circuit diagram attached)
• 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.
• Mains switch no start up. (extract of circuit diagram attached)
• No tuning.
• Coloured tinge in picture. (CTV2195 tips)
• PSU inoperative.
• Vertical blue bar on centre of screen. No picture.
• Vertical line. in the centre.
• Does not start up. Standby LED switches off. (CTV2195 NETWORK repair tip)
• Replacement kit of thyristor ESM740/G1/G2. (NETWORK - CTV2195 information)
• Dead.
• TP32 (BU508) and TL37 (BU508) fail immediately after switch on. (picture attached)
• Only switches on occasionally, but without picture and sound. Occasionally very high switch on current consumption. (NETWORK - CTV2195 information)
• No start up. can be switched on after some time in standby. Sound OK.
• No colour.Flag-effect.
• At start up 90V makes 12V. After 2 mins picture and sound present but 90V reaches a maximum at 85V.
• Vertical deflection has collapsed to a bright line in the middle of the screen.
• Vertical foldover at bottom.
• 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).
• Vertical amplitude is too low.
• No TXT.
• 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.
• Vertical picture position shifts intermittently upwards approx 2 cm after switch on. It is OK after approx 10 mins.
• Switches to standby after 6 or 7 minutes with or without aerial signal.
• RP02 burns at switch on and destroys TP32 S2000A1.
• Distorted picture. Strong streaking. (CTV2195 tips)
• Spots of colour on the screen.
• Line oscillating or tearing.
• Vertical lines at edge during EE operation and via AV. (part of circuit diagram displayed)
• Flyback lines. No brightness. No contrast.
• TL19 fails in line output stage.
• Horizontal deflection is missing. Protective circuit disconnects. Standby point flashes.
• Picture spraying on band I (heat dependent at DP51). (with circuit diagram extract)
• The power supply is destroyed.
• Switches to standby (intermittently).
• The appliance pulsates 3 times then goes to safety mode.
• Programmes memory is lost once a month.
• Standby LED flashes. (CTV2195 tip from NETWORK)
• No scanning. Display ok.
• The fuse blows because RP02 heats up.
• No search possible. TV switches off without the 10th, 20th and 30th channel.
• Standby indicator flashes. (CTV2195 tip from NETWORK)
• Low audio.
• The picture is delayed by a few minutes.
• No vertical deflection.
• The power supply does not start up. No standby
• Poor vertical synchronisation. Picture shifted vertically. at top. (picture attached)
• Picture too small. at start-up. (service info for NETWORK -CTV2195)
• Starts up after 3 mins.
• Snow in picture. in UHF. (CTV2195 tips)
• Poor vertical and horizontal amplitude with slight waving at sides, when cold. Everything returns to normal within 5 mins.
• PSU does not always start after switch on via front control or RC.
• No picture or sound. At switch on display indicates a channel but no control is possible. (service info for NETWORK -CTV2195)
• Vertical IC blows repeatedly after a few days.
• Does not come on from standby, red standby light comes on. TV01 and TV02 in the protective circuit respond. (NETWORK - CTV2195 information)
• Purity spot and scanning are incorrect.
• No video or scanning. Channels are displayed.
• After changing the battery, how do you adjust the channels without remote control IR?
• Volume varies.
• Cannot be switched on or switched to standby. Standby indicator does not light up.
• No start-up from standby with RC.
• Power supply defective.
• Switches to protection mode.
• Searches for channels continuously.
• The appliance takes 2-3 minutes to start up.
• Image compressed horizontally. Insufficient width approx 1cm on left and right of screen.
• No function, standby point is not visible.
• Shade appears behind the picture.
• No display. TV functions well. Channel change over ok.
• Adjustment of 5.5MHz min. or 4.43MHz min. (service info for NETWORK -CTV2195)
• Goes into standby every quarter of an hour or half an hour.
• Horizontal stripe (intermittently). (CTV2195 tips)
• TP01 (BUT12A) fails after longer operating time (NETWORK - CTV2195 information)
• Standby flickers.
• The picture shifts towards the bottom of the screen.
• Top part of the picture is too wide and bottom part is too narrow (NETWORK - CTV2195 information)
• Horizontal collapse.
• Intermittent loss of sync. Blank raster. No audio. No LEDs. (CTV2195 tips)
• U Varicap = 20V and will not change.
• No UHF channels.
• No vertical synchronisation.
• On start up, black interference lines appear then the screen is white.
• Dark screen. on the left.
• Power supply fault. TP37 and TP32 have a short circuit and occasionally TP38.
• Picture predominantly red in SECAM. Ok in PAL via scart.
• Approx one third of the top of the picture is crushed.
• Power supply fuse blows. When it has been replaced, TV functions again for several days. (service info for NETWORK -CTV2195)
• The luminance signal disappears occasionally.
• Dark picture.
• Volume uncontrollable.
• The power supply does not start up. All transistors have been changed.
• Channels from 21 to 32 come through well but with lines and nothing comes through from 41 to 53. (NETWORK - CTV2195 information)
• The appliance goes to safety mode and mute.
• Coloured flyback lines and poor picture.
• U7 = 15V and there is no 12V voltage. A black band appears on the screen.
• No reception on band I, or only picture flickering.
• Excessive brightness.
• Displays PR and does not start
• When warm flickers between picture and TXT. Characters keep popping up on screen
• No transmission in UHF (12V on pin 10 of the tuner connector).
• PSU fails after start-up.
• The power supply is correct without a load (U1 is up). There is a complete stop in the load.
• Poor line synchronisation. Picture is shifted up. (with circuit diagram extract)
• 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.
• TL54 (BU807) becomes very hot after a few mins and blows. Normal picture.
• 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.
• White, bright picture, picture poorly distinguishable.
• RP51 (0R22) blows intermittently.
• No RC functions.
• TP32 in the PSU is s/c.
• No functions. Standby LED is not visible. (service info for NETWORK -CTV2195)
• Power supply, fuses, BUs, etc, blow each time appliance is switched off by ON/OFF switch.
• 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.
• DP51 heats up. (CTV2195 tips)
• Power supply fails at less than 100V.
• No speacial channels. Appliance works only up to channel 69. Display for brightness shows L (= English mode) instead of B.
• The appliance switches off for a short time and back on again. (extract of circuit diagram attached) (CTV2195 tips)
• Adjusting Us= 108V.
• After switch on, vertical centering is shifted intermittently upwards approx. 2 cm; it goes to normal position after approx. 10 minutes.
• BU807 (TL54) cuts out.
• The power supply does not function with load.
• Line BU (BU508) becomes hot and blows. At base of BU there are double pulses.
• Display appears after 15 secs, then pulsates on and off (no breaker circuit). (picture attached)
• No brightness on picture. Chroma present with vertical instability and no sound.
• No picture in UHF, voltage for band change and tuning is OK.
• No colour (intermittently). Line tearing.
• Sound is always at max even if appliance displays volume with 00.
• DP51 s/c after operating for half an hour.
• Phase comparator fault on TV. Ok on secondary.
• Unstable lines and there is an interference line at the base of TP32.
• 90V problem. RP51 heats up and cuts out. DP51 and CP51 ok. Brand new line transformer.
• Fuse blows constantly. (CTV2195 tips)
• Standby light flashes, fuse blows. RP11 and TP32, BU508 fails. (service info for NETWORK -CTV2195)
• No horizontal deflection. intermittently.
• U1 is instead of 84-90V only approx. 60V. Current consumption is over 100W.
• Picture is dark. When Ug2 is completely there, a bit of the picture is present.
• S2000 is s/c. Replaced with the original repair set, it still fails. (picture attached)
• The 108V voltage varies (U-system).
• 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.
• Standard CCETT adaptation.
• Line stage does not start up.
• No start up or reset.
• Interference lines in the top part of the screen. (CTV2195 tip from NETWORK)
• The line framing is incorrect.
• Tuning voltage drifts.
• No picture. Vertical coloured lines. Raster problem.
• TEA 2026C is defective.
• Intermittent loss of synchronization.
• IR receiver does not function. (CTV2195 tip from NETWORK)
• TP32 fails at switch on. (extract of circuit diagram attached)
• Rainbow effect in the centre.
• 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. (CTV2195 tip from NETWORK)
• The appliance hums and the picture is unstable.
• No picture, no sound and programme display does not light up. (NETWORK - CTV2195 information)
• No picture. Check the signal on pin 10 of IT20.
• Vertical lines on edge in EE-mode and via AV.
• No secondary voltage.
• Cannot be switched on or switched to standby. Standby indicator does not light up.
• When appliance is switched on mains BU fails immediately.
• 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. (CTV2195 tips)
• Line output stage doesn't start up.
• Reduced horizontal size. (part of circuit diagram displayed)
• PSU fails immediately after switch on.
• The sound and picture hum.
• TP32 (BU508) becomes defective after appliance turned ON/OFF several times. (part of circuit diagram displayed)
• The channels unkey after a while.
• PSU repair tip.
• Poor picture alignment.
• No image content, only HF noise. (with circuit diagram extract)
• Fails frequently when operating.
• Poor reception. in VHF.
• Excessive vertical size.
• Switches to protection mode. intermittently.
• No reception at band I, or image flickering only. (picture attached)
• No start-up. No display.
• Slight hum of vertical bars. (CTV2195 NETWORK repair tip)
• No start-up. Display OK .
• The appliance crackles and the picture framing is incorrect.
• Setting the vertical amplitude.
• Blank screen. (CTV2195 tip from NETWORK)
• No start-up. (+ extract of circuit diagram)
• E/W fault.
• Power supply BU S2000 (BU508AT, BU508AF) S/C.
• PAL run time decoder adjustment - PAL decoder.
• No picture, no sound - PSU is switched off.
• Vertical line.
• No videotext mode.
• Hesitant start up. Mains button must be pressed several times. If appliance runs, fails again most of the time after a few mins.
• No colour, picture streaking.
• Too much contrast, cannot be adjusted to less. (part of circuit diagram displayed) (service info for NETWORK -CTV2195)
• Stations appear and disappear. Horizontal lines in picture.
• No picture. Fusible resistor RP47 (0R22) in U2 13V-rail blows repeatedly.
• Switched-mode power supply (SMPS) does not start up. (picture attached)
• Snow, no voltage on Varicap.
• Sound purrs when tuning, picture is correct. Sound is possibly correct but picture disappears.
• There are 1300V present instead of 900V peak to peak on the collector of the TL37 (BU508ATB). This breaks after some time.
• Fuse blows as soon as degaussing is connected.
• Faint blue picture with no picture content and flyback lines. (picture attached)
• Picture width fault.
• No U system.
• On channels from 21 to 27 picture is ok, from 32 to 35 lines on picture and from 41 to 47 no picture. (NETWORK - CTV2195 information)
• Start up ok. Picture and sound ok. After 15 minutes or more than one hour no picture but son ok. Horizontal white line.
• Vertical lines are distorted horizontally. E/W equalizer can not be adjusted correctly.
• Insufficient picture width, poor lines visible on screen
• Sound to zero level. When volume is increased, sound goes back to zero level. Random channel switch-over.
• Horizontal deflection and line oscillator failed. (with circuit diagram extract)
• No channel search.
• Normal in black and white. In chroma, red of picture is green, blue is red and green is blue.
• Excessive green.
• Focus adjustment.
• Black picture with 10cm of RGB horizontal lines over the whole screen.
• The blue circuit is pale.
• No function display. CTV functions via the front panel and the RCU.
• The appliance blows up on a very light background.
• No brightness (only outlines can be recognised). Colour is ok.
• Vertical bar.
• At start up no line scanning or raster, TV displays PR. After approx 30 mins TV starts up. (service info for NETWORK -CTV2195)
• Appliance does not function with the mains switch then starts up again with another button.
• Does not start up. Only displays the channel number. Power supply kit has been replaced. (service info for NETWORK -CTV2195)
• Bright picture. at top and bottom.
• High contrast.
• Ghosting effect.
• No sensitivity in the tuning.
• Picture hum and picture is slightly brighter at the top and bottom. (+ extract of circuit diagram)
• Switches to protection mode. after start-up. (with circuit diagram extract)
• 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.
• No high channels can be requested.
• Picture is dark or partially ther.
• No 90V, RP51 burns. BU807, BU508.
• Lacks horizontal amplitude. Regulation does not function.
• When switching on BU508A and RP11 fail after 2 secs.
• IL03 (TEA2026) blows up when the appliance goes into AV on TV 42cm.
• Negative picture. Distorted picture. OK via SCART .
• Reluctant to start then produces a picture with reduced width.
• TL54/TP32 are destroyed.
• Can not be switched on from standby via RC.
• Vertical centre adjustment. (CTV2195 tips)
• Is it possible to fit a TEA 2026C in place of a TEA 2026T ?
• No system adjustment.
• No switch on. Standby power supply ok. Standby indicator lights up.
• No adjustment.
• Picture appears slowly.
• Sound and picture cut out, display for 30 secs. (CTV2195 tip from NETWORK)
• Deprogrammes approx every 4 to 5 months.
• TP32 heats up.
• BU807 blows regularly. FBT and TEA2026 have been changed. (CTV2195 tips)
• Black screen. Display is lit. Intermittent sound. Fault occurs both via aerial and SCART.
• Systematic failure of TL54. At switch on TEA2026 has been changed. (CTV2195 tip from NETWORK)
• No 300V at collector of TP32. If collector is disconnected 300V appear.
• Switches to standby. after a while.
• TP29 fails after start-up.
• Intermittent loss of sync, a blank raster, no sound, switching to standby and the LED channel display going off.
• TP32 and TP38 have a short circuit.
• RP11 blows.
• The display is incorrect and PE appears.
• Black band at bottom of screen over approx 8cm. Picture has shifted to the top.
• Dark screen.
• U1 = 60V instead of 90V.
• In normal charge, TP32 and TP38 switch off. The appliance functions without a charge.
• No reception. via tuner.
• Power supply stops occasionally, approx after 1/2 hour (very irregular). (CTV2195 NETWORK repair tip)
• Adjusting the white setting.
• No horizontal deflection.
• When warm picture lifts from the bottom and narrows at the top, black lines at the bottom of the screen.
• Power supply breakdown due to a volt-rise of the power supply kit.
• RL41 O/C due to dry joints below connector BD01.
• General information.
• Switches off intermittently or does not switch on at all.
• Voltages from FBT gradually decrease then line BU S2000 blows after operating for 15 mins.
• Noise on channel 09 (band I) - colour picture. (extract of circuit diagram attached)
• Contrast and brightness cannot be adjusted properly. (part of circuit diagram displayed)
• PSU does not start up with a mains voltage more than 200V, ok with a voltage less than or equal to 200V.
• R82 (10R) on the tube base board fails.
• No erasing possible.
• Poor vertical synchronisation. (CTV2195 NETWORK repair tip)
• No display. Appliance starts.
• S/C in PSU. (part of circuit diagram displayed)
• No picture. Sound and display are OK. (CTV2195 tip from NETWORK)
• Picture appears slowly. Display OK .
• Adjusting the screen grid voltage (grey setting). (NETWORK - CTV2195 information)
• No start up. PSU whistles even when secondary side disconnected.
• Line stage does not start up.
• Channels below 30 cannot be received (chassis ICC4).
• No picture. No sound. Programs can also be switched over.
• Picture is pulled at the top. Poor line sync. (part of circuit diagram displayed)
• No horizontal or vertical deflection.
• Channel storage is erased.
• Screen blank. Dark picture.
• No start-up (intermittently). (picture attached)
• Tripping.
• Power supply fault.
• No picture. after a few minutes. Audio OK .
• Poor contacts. (NETWORK - CTV2195 information)
• No vertical deflection. intermittently. No audio. intermittently. (CTV2195 NETWORK repair tip)
• Secondary protective circuit TV01 and TV02 disconnects intermittently.
• Slow start-up.
• Line instability.
• Does not switch on. No standby. (CTV2195 tips)
• No command signal on the IL03.
• No start function via RC. With mains switch appliance switches into standby. (+ extract of circuit diagram)
• Low hum of vertical lines. (extract of circuit diagram attached)
• FBT ok at start up but dark screen except for 3 coloured lines in top third of screen. Sound and display of channels ok.
• No functions. (picture attached)
• No brightness. Three RGB colour bands on left and right of the screen.
• Loud audio.
• Dark picture. after a few minutes.
• Vertical collapse (intermittently).
• Muted audio. (CTV2195 NETWORK repair tip)
• The linearity coil whistles.
• Loss of sync/raster/sound. Display goes off.
• No image, red raster and flyback lines visible. (extract of circuit diagram attached)
• Picture shifted vertically.
• Switches to standby. after a few minutes.
• Crackling in sound and picture in UHF and VHF. No sound via scart.
• Picture flickers and stripes in the picture.
• Fuse blows at random, even at switch off.
• Horizontal centre adjustment.
• Contrast average value is too high.
• Image noise in upper channels (e.g. channel 60, 99) only. (+ extract of circuit diagram)
• Poor display.
• No luminance.
• Reference oscillator beat adjustment: PAL decoder.
• No light and the appliance cuts out.
• Very snowy picture in UHF. Apparently the fault is at the level of the tuner UHF 4200.
• Focus pot is defective.
• Reduced vertical size.
• Contrast and colour are excessive at preset condition.
• Black band on one part of the screen and interference.
• TL19 fails in line ouptut stage.
• RP23 and transistor (BU508A) have blown.
• Does not start up when cold. Audio , display OK.
• Picture flickers slightly from bottom to top. After removing display indication (control unit) picture is ok (less current). (with circuit diagram extract)
• The picture blows up and the bottom of the screen is bright.
• RP61 burns out.
• RP02 and power supply BU blow.
• Wide dark stripes on left side of picture.
• Secondary protective circuits TV01 and TV02 disconnect intermittently.
• No colour. No shutdown with RC.
• Dark screen, 5 or 6 coloured lines at the top of the screen. Picture returns if appliance is hit.
• Appliance goes into PAL. Occasionally no display.
• After switching on the mains progamme indication in the display but no picture and no sound. (part of circuit diagram displayed)
• Starts to pulsates. Sound, picture and display present.
• The appliance crackles during low Gamme UHF.
• Station tuning disappears.
• No start up. PSU blocked.
• Both vertical and horizontal synchronization instability.
• Transistor BU508 fails repeatedly. (CTV2195 NETWORK repair tip)
• No picture on channel 99.
• TP29 fails after switch on.
• Crackling in sound and picture in UHF and VHF. No sound in scart.
• When cold, no sound and no line amplitude then finally starts up.
• No picture. No audio. No channel display. (CTV2195 NETWORK repair tip)
• Noisy sound or no sound at all.
• Poor startup.
• The varicap voltage does not move.
• The colour appears after a few minutes.
• No picture. Flyback lines. at top. Audio OK . (NETWORK - CTV2195 information)