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CT2195 / NIKKAI [TV 51 (47/48) cm picture]

The EURAS repair tip database for professional technicians and service engineers supplies the following faults for CT2195 / NIKKAI.

List of fault symptoms:
  • No colour. No shutdown with RC.
  • White, bright picture, picture poorly distinguishable.
  • No system adjustment.
  • No colour.Flag-effect. (CT2195 tip from NIKKAI)
  • Poor vertical and horizontal amplitude with slight waving at sides, when cold. Everything returns to normal within 5 mins.
  • No 90V, RP51 burns. BU807, BU508.
  • No start up. PSU blocked.
  • The appliance crackles and the picture framing is incorrect.
  • The appliance switches off for a short time and back on again. (extract of circuit diagram attached)
  • Tuning voltage drifts.
  • No UHF channels.
  • Picture spraying on band I (heat dependent at DP51). (extract of circuit diagram attached)
  • Fuse blows constantly.
  • No video or scanning. Channels are displayed.
  • Ghosting effect.
  • Contrast and colour are excessive at preset condition.
  • Picture is bright and white with flyback lines. (+ extract of circuit diagram)
  • Poor reception. in VHF.
  • No tuning.
  • No switch on. Standby power supply ok. Standby indicator lights up.
  • Poor contacts.
  • 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.
  • Volume uncontrollable.
  • The picture is blurred (spot at the bottom of the screen). (NIKKAI - CT2195 information)
  • Display appears after 15 secs, then pulsates on and off (no breaker circuit). (extract of circuit diagram attached)
  • Low audio.
  • Picture flickers and stripes in the picture.
  • Dark screen. on the left.
  • Excessive vertical size.
  • Dark picture. after a few minutes.
  • No vertical deflection.
  • Vertical line. in the centre.
  • No picture in UHF, voltage for band change and tuning is OK.
  • Poor startup. (CT2195 tips)
  • Volume varies.
  • No start function via RC. With mains switch appliance switches into standby. (extract of circuit diagram attached)
  • No picture. No audio. No channel display.
  • Appliance does not function with the mains switch then starts up again with another button.
  • Secondary protective circuit TV01 and TV02 disconnects intermittently.
  • The appliance takes 2-3 minutes to start up.
  • The display is incorrect and PE appears.
  • No TXT.
  • TP29 fails after start-up.
  • Screen blank. Dark picture. (CT2195 NIKKAI repair tip)
  • Image noise in upper channels (e.g. channel 60, 99) only. (with circuit diagram extract) (NIKKAI - CT2195 information)
  • No reception at band I, or image flickering only. (+ extract of circuit diagram)
  • After switching on the mains progamme indication in the display but no picture and no sound. (picture attached)
  • No search possible. TV switches off without the 10th, 20th and 30th channel.
  • No luminance. (CT2195 tips)
  • Slow start-up.
  • High contrast.
  • Goes into standby every quarter of an hour or half an hour.
  • 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.
  • No channel search. (service info for NIKKAI -CT2195)
  • No display. Appliance starts.
  • TL19 fails in line ouptut stage.
  • No picture on channel 99.
  • Power supply breakdown due to a volt-rise of the power supply kit.
  • RP02 and power supply BU blow.
  • No picture. Check the signal on pin 10 of IT20.
  • Appliance goes into PAL. Occasionally no display.
  • Starts to pulsates. Sound, picture and display present.
  • Poor picture alignment.
  • The PSU fails instantly. When this is replaced by the repair kit the same problem arises. (service info for NIKKAI -CT2195)
  • Horizontal centre adjustment.
  • Too much contrast, cannot be adjusted to less. (picture attached) (CT2195 tip from NIKKAI)
  • The picture blows up and the bottom of the screen is bright.
  • Vertical picture position shifts intermittently upwards approx 2 cm after switch on. It is OK after approx 10 mins.
  • The power supply does not function with load.
  • Switches off intermittently or does not switch on at all.
  • No picture. Vertical coloured lines. Raster problem.
  • Hesitant start up. Mains button must be pressed several times. If appliance runs, fails again most of the time after a few mins.
  • The sound and picture hum.
  • Horizontal stripe (intermittently).
  • Does not start up. Only displays the channel number. Power supply kit has been replaced.
  • Does not start up when cold. Audio , display OK.
  • Replacement kit of thyristor ESM740/G1/G2.
  • No picture. No sound. Programs can also be switched over.
  • PSU repair tip.
  • Lacks horizontal amplitude. Regulation does not function.
  • The appliance pulsates 3 times then goes to safety mode.
  • Interference lines in the top part of the screen.
  • No U system.
  • The varicap voltage does not move.
  • Only switches on after 70 secs. After start up everything is ok. (CT2195 tips)
  • Picture appears slowly.
  • No start up or reset. (CT2195 tip from NIKKAI)
  • The picture shifts towards the bottom of the screen.
  • Cannot be switched on or switched to standby. Standby indicator does not light up. (CT2195 tips)
  • No horizontal deflection.
  • No reception. via tuner.
  • Vertical IC blows repeatedly after a few days.
  • Picture is pulled at the top. Poor line sync. (with circuit diagram extract)
  • Switches to standby. after a while.
  • The channels unkey after a while.
  • Picture is dark. When Ug2 is completely there, a bit of the picture is present.
  • TP32 fails at switch on. (picture attached)
  • After switch on, vertical centering is shifted intermittently upwards approx. 2 cm; it goes to normal position after approx. 10 minutes.
  • Power supply BU S2000 (BU508AT, BU508AF) S/C.
  • Top part of the picture is too wide and bottom part is too narrow
  • Insufficient picture width, poor lines visible on screen
  • RP11 blows. (service info for NIKKAI -CT2195)
  • Stations appear and disappear. Horizontal lines in picture.
  • Loud audio.
  • Is it possible to fit a TEA 2026C in place of a TEA 2026T ?
  • Poor line synchronisation. Picture is shifted up. (extract of circuit diagram attached)
  • No light and the appliance cuts out.
  • Setting the vertical amplitude.
  • Line output stage doesn't start up.
  • Reduced vertical size.
  • TP32 (BU508) and TL37 (BU508) fail immediately after switch on. (with circuit diagram extract) (service info for NIKKAI -CT2195)
  • TL19 fails in line output stage.
  • Fuse blows at random, even at switch off.
  • The colour appears after a few minutes.
  • Unstable lines and there is an interference line at the base of TP32. (CT2195 tip from NIKKAI)
  • TP32 heats up.
  • PAL run time decoder adjustment - PAL decoder.
  • Vertical lines at edge during EE operation and via AV. (picture attached)
  • Vertical foldover at bottom.
  • Adjusting the screen grid voltage (grey setting).
  • The linearity coil whistles.
  • Unstable luminance when the appliance is warm.
  • 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).
  • Both vertical and horizontal synchronization instability.
  • Adjusting the white setting.
  • Vertical blue bar on centre of screen. No picture.
  • U1 = 60V instead of 90V.
  • Adjusting Us= 108V.
  • When warm picture lifts from the bottom and narrows at the top, black lines at the bottom of the screen.
  • Picture width fault.
  • No 300V at collector of TP32. If collector is disconnected 300V appear.
  • 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.
  • Voltages from FBT gradually decrease then line BU S2000 blows after operating for 15 mins.
  • Coloured tinge in picture. (NIKKAI - CT2195 information)
  • Switches to standby (intermittently).
  • Line instability.
  • TEA 2026C is defective.
  • PSU fails immediately after switch on.
  • Black picture with 10cm of RGB horizontal lines over the whole screen.
  • Channel storage is erased.
  • No functions. Standby LED is not visible.
  • U1 is instead of 84-90V only approx. 60V. Current consumption is over 100W.
  • At start up 90V makes 12V. After 2 mins picture and sound present but 90V reaches a maximum at 85V.
  • Approx one third of the top of the picture is crushed.
  • Line stage does not start up.
  • Crackling in sound and picture in UHF and VHF. No sound via scart.
  • TL54 (BU807) becomes very hot after a few mins and blows. Normal picture.
  • Snow, no voltage on Varicap.
  • Very snowy picture in UHF. Apparently the fault is at the level of the tuner UHF 4200.
  • R82 (10R) on the tube base board fails. (NIKKAI - CT2195 information)
  • No speacial channels. Appliance works only up to channel 69. Display for brightness shows L (= English mode) instead of B.
  • Deprogrammes approx every 4 to 5 months.
  • E/W fault.
  • Power supply, fuses, BUs, etc, blow each time appliance is switched off by ON/OFF switch.
  • Power supply fails at less than 100V.
  • Power supply fuse blows. When it has been replaced, TV functions again for several days.
  • 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.
  • Wide dark stripes on left side of picture.
  • Switches to protection mode. (NIKKAI - CT2195 information)
  • Switches to standby after 6 or 7 minutes with or without aerial signal.
  • Switches to standby. after a few minutes.
  • BU807 blows regularly. FBT and TEA2026 have been changed.
  • Switches to protection mode. intermittently. (CT2195 tip from NIKKAI)
  • No picture, no sound - PSU is switched off.
  • PSU inoperative.
  • TP29 fails after switch on.
  • The line framing is incorrect.
  • Line BU (BU508) becomes hot and blows. At base of BU there are double pulses.
  • Power supply defective.
  • U7 = 15V and there is no 12V voltage. A black band appears on the screen. (NIKKAI - CT2195 information)
  • Vertical line.
  • No functions. (part of circuit diagram displayed)
  • Reluctant to start then produces a picture with reduced width.
  • 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. (CT2195 NIKKAI repair tip)
  • Adjustment of 5.5MHz min. or 4.43MHz min.
  • DP51 s/c after operating for half an hour.
  • Start up ok. Picture and sound ok. After 15 minutes or more than one hour no picture but son ok. Horizontal white line.
  • Poor display.
  • Noisy sound or no sound at all.
  • Slight hum of vertical bars.
  • Poor vertical synchronisation. Picture shifted vertically. at top. (extract of circuit diagram attached)
  • When warm flickers between picture and TXT. Characters keep popping up on screen
  • Normal in black and white. In chroma, red of picture is green, blue is red and green is blue.
  • No reception on band I, or only picture flickering.
  • Sound to zero level. When volume is increased, sound goes back to zero level. Random channel switch-over. (CT2195 tips)
  • No RC functions.
  • No start-up. (part of circuit diagram displayed)
  • No display. TV functions well. Channel change over ok.
  • Can not be switched on from standby via RC.
  • No adjustment.
  • 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.
  • PSU does not always start after switch on via front control or RC.
  • Focus pot is defective.
  • Excessive brightness.
  • Loss of sync/raster/sound. Display goes off.
  • Bright picture. at top and bottom.
  • Intermittent loss of sync. Blank raster. No audio. No LEDs.
  • The picture is delayed by a few minutes.
  • TP01 (BUT12A) fails after longer operating time
  • Faint blue picture with no picture content and flyback lines. (part of circuit diagram displayed)
  • Black band at bottom of screen over approx 8cm. Picture has shifted to the top.
  • Channels from 21 to 32 come through well but with lines and nothing comes through from 41 to 53.
  • Standby light flashes, fuse blows. RP11 and TP32, BU508 fails.
  • Poor vertical synchronisation.
  • Cannot be switched on or switched to standby. Standby indicator does not light up.
  • No start up. can be switched on after some time in standby. Sound OK.
  • In normal charge, TP32 and TP38 switch off. The appliance functions without a charge.
  • BU807 (TL54) cuts out.
  • Power supply stops occasionally, approx after 1/2 hour (very irregular).
  • When switching on BU508A and RP11 fail after 2 secs.
  • Picture hum and picture is slightly brighter at the top and bottom. (extract of circuit diagram attached) (service info for NIKKAI -CT2195)
  • No high channels can be requested.
  • On start up, black interference lines appear then the screen is white.
  • Standard CCETT adaptation.
  • Picture flickers slightly from bottom to top. After removing display indication (control unit) picture is ok (less current). (picture attached)
  • Standby LED flashes.
  • Switches to protection mode. after start-up. (with circuit diagram extract) (service info for NIKKAI -CT2195)
  • No start-up from standby with RC. (CT2195 tip from NIKKAI)
  • TP32 in the PSU is s/c.
  • Sound and picture cut out, display for 30 secs.
  • DP51 heats up.
  • Vertical centre adjustment.
  • General information.
  • Horizontal deflection is missing. Protective circuit disconnects. Standby point flashes.
  • The appliance hums and the picture is unstable.
  • Snow in picture. in UHF.
  • Vertical bar.
  • Image compressed horizontally. Insufficient width approx 1cm on left and right of screen.
  • The luminance signal disappears occasionally. (NIKKAI - CT2195 information)
  • No videotext mode.
  • Phase comparator fault on TV. Ok on secondary.
  • No colour (intermittently). Line tearing.
  • On channels from 21 to 27 picture is ok, from 32 to 35 lines on picture and from 41 to 47 no picture.
  • No vertical synchronisation.
  • Does not come on from standby, red standby light comes on. TV01 and TV02 in the protective circuit respond.
  • No brightness on picture. Chroma present with vertical instability and no sound.
  • Muted audio.
  • Power supply fault. TP37 and TP32 have a short circuit and occasionally TP38.
  • TL54/TP32 are destroyed.
  • The power supply does not start up. All transistors have been changed.
  • Picture predominantly red in SECAM. Ok in PAL via scart.
  • Station tuning disappears.
  • The power supply does not start up. No standby
  • Dark screen.
  • Distorted picture. Strong streaking.
  • Starts up after 3 mins.
  • Contrast average value is too high.
  • Standby flickers. (CT2195 tips)
  • Vertical amplitude is too low.
  • Switched-mode power supply (SMPS) does not start up. (extract of circuit diagram attached)
  • Intermittent loss of sync, a blank raster, no sound, switching to standby and the LED channel display going off.
  • Mains switch no start up. (extract of circuit diagram attached)
  • Reduced horizontal size. (extract of circuit diagram attached)
  • Crackling in sound and picture in UHF and VHF. No sound in scart.
  • The 108V voltage varies (U-system).
  • Sound purrs when tuning, picture is correct. Sound is possibly correct but picture disappears.
  • No picture. Sound and display are OK.
  • No erasing possible.
  • Vertical deflection has collapsed to a bright line in the middle of the screen.
  • U Varicap = 20V and will not change.
  • Transistor BU508 fails repeatedly.
  • Searches for channels continuously.
  • Only switches on occasionally, but without picture and sound. Occasionally very high switch on current consumption.
  • RP23 and transistor (BU508A) have blown.
  • Programmes memory is lost once a month.
  • There are 1300V present instead of 900V peak to peak on the collector of the TL37 (BU508ATB). This breaks after some time. (NIKKAI - CT2195 information)
  • After changing the battery, how do you adjust the channels without remote control IR?
  • IR receiver does not function.
  • No image content, only HF noise. (picture attached)
  • Standby indicator flashes.
  • Low hum of vertical lines. (part of circuit diagram displayed)
  • 90V problem. RP51 heats up and cuts out. DP51 and CP51 ok. Brand new line transformer.
  • No start-up (intermittently). (extract of circuit diagram attached)
  • Sound is always at max even if appliance displays volume with 00. (NIKKAI - CT2195 information)
  • The appliance crackles during low Gamme UHF.
  • S2000 is s/c. Replaced with the original repair set, it still fails. (+ extract of circuit diagram)
  • Vertical lines are distorted horizontally. E/W equalizer can not be adjusted correctly.
  • No picture. Fusible resistor RP47 (0R22) in U2 13V-rail blows repeatedly. (service info for NIKKAI -CT2195)
  • PSU fails after start-up.
  • Noise on channel 09 (band I) - colour picture. (with circuit diagram extract)
  • No picture. after a few minutes. Audio OK .
  • Dark screen, 5 or 6 coloured lines at the top of the screen. Picture returns if appliance is hit.
  • Line oscillating or tearing.
  • No horizontal or vertical deflection.
  • Vertical collapse (intermittently).
  • The blue circuit is pale.
  • Coloured flyback lines and poor picture.
  • Fails frequently when operating.
  • Negative picture. Distorted picture. OK via SCART .
  • Picture shifted vertically.
  • RP51 (0R22) blows intermittently.
  • No start-up. No display. (CT2195 NIKKAI repair tip)
  • Dark picture.
  • No horizontal deflection. intermittently.
  • 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.
  • At start up no line scanning or raster, TV displays PR. After approx 30 mins TV starts up.
  • Power supply fault.
  • Spots of colour on the screen.
  • Tripping.
  • No colour, picture streaking.
  • Vertical lines on edge in EE-mode and via AV.
  • Black band on one part of the screen and interference.
  • No secondary voltage.
  • RP02 burns at switch on and destroys TP32 S2000A1.
  • No picture. Flyback lines. at top. Audio OK .
  • RP61 burns out.
  • The appliance goes to safety mode and mute.
  • The fuse blows because RP02 heats up. (NIKKAI - CT2195 information)
  • RL41 O/C due to dry joints below connector BD01.
  • No transmission in UHF (12V on pin 10 of the tuner connector).
  • PSU does not start up with a mains voltage more than 200V, ok with a voltage less than or equal to 200V.
  • Focus adjustment.
  • FBT ok at start up but dark screen except for 3 coloured lines in top third of screen. Sound and display of channels ok.
  • Blank screen.
  • The power supply is correct without a load (U1 is up). There is a complete stop in the load.
  • When appliance is switched on mains BU fails immediately.
  • No picture or sound. At switch on display indicates a channel but no control is possible.
  • Rainbow effect in the centre. (CT2195 tip from NIKKAI)
  • Displays PR and does not start
  • Excessive green.
  • Purity spot and scanning are incorrect.
  • Shade appears behind the picture.
  • Channels below 30 cannot be received (chassis ICC4).
  • Does not switch on. No standby.
  • No brightness (only outlines can be recognised). Colour is ok.
  • Line stage does not start up.
  • No scanning. Display ok.
  • No start up. PSU whistles even when secondary side disconnected.
  • Contrast and brightness cannot be adjusted properly. (part of circuit diagram displayed)
  • Horizontal collapse.
  • Fuse blows as soon as degaussing is connected.
  • 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.
  • No function, standby point is not visible.
  • Intermittent loss of synchronization.
  • IL03 (TEA2026) blows up when the appliance goes into AV on TV 42cm.
  • 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 picture, no sound and programme display does not light up.
  • Dead.
  • 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.
  • TP32 and TP38 have a short circuit.
  • Picture is dark or partially ther.
  • No start-up. Display OK .
  • Picture too small. at start-up.
  • 300V on the collector of TP32. Oscillates at its base but no voltage on the secondary.
  • S/C in PSU. (with circuit diagram extract) (service info for NIKKAI -CT2195)
  • No sensitivity in the tuning. (NIKKAI - CT2195 information)
  • Reference oscillator beat adjustment: PAL decoder. (CT2195 tip from NIKKAI)
  • No function display. CTV functions via the front panel and the RCU.
  • Horizontal deflection and line oscillator failed. (with circuit diagram extract)
  • No image, red raster and flyback lines visible. (picture attached)
  • Picture appears slowly. Display OK .
  • The appliance blows up on a very light background.
  • Flyback lines. No brightness. No contrast.
  • Secondary protective circuits TV01 and TV02 disconnect intermittently.
  • The power supply is destroyed.
  • No command signal on the IL03.
  • Does not start up. Standby LED switches off. (NIKKAI - CT2195 information)
  • TP32 (BU508) becomes defective after appliance turned ON/OFF several times. (part of circuit diagram displayed)
  • No brightness. Three RGB colour bands on left and right of the screen.
  • When cold, no sound and no line amplitude then finally starts up.
  • No vertical deflection. intermittently. No audio. intermittently.

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Additionally to repairtips or service information CT2195 is linked to 82 components (IC's and/or transformers) in the Tectra database, through which you can identify electrical compatibilities (crossreferences) in appliances.


Chassis information is available (which chassis is built in into CT2195 ).

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For CT2195 there are 82 compatible appliances known and can be listed.


In the repair discussion pinboard for CT2195 there are 19 replies to questions asked about 5 different repair problems.
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Last updated: 06. Sep 2008 22:43:41 MET, doccode ISO9002AS168EKA200805C EURASMOP

Responsible for the content: EURAS International GmbH, Eime, Germany. All rights reserved, EURAS database V2.0 (C) 2002-2008. All brand- or productnames are copyrighted by the respective manufacturer of the appliance and are only being used for identification purposes.