CT2113 / NIKKAI [TV 51 (47/48) cm picture]

• No UHF channels.
• Systematic failure of TL54. At switch on TEA2026 has been changed.
• 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.
• TP29 fails after switch on.
• 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 sensitivity in the tuning.
• Line output stage doesn't start up.
• Horizontal stripe (intermittently).
• Picture width fault.
• Starts to pulsates. Sound, picture and display present.
• Poor display.
• DP51 s/c after operating for half an hour. (CT2113 tip from NIKKAI)
• No picture. Check the signal on pin 10 of IT20.
• Standby LED flashes.
• Vertical deflection has collapsed to a bright line in the middle of the screen. (service info for NIKKAI -CT2113)
• No vertical deflection. intermittently. No audio. intermittently.
• No function display. CTV functions via the front panel and the RCU.
• Power supply defective.
• Top part of the picture is too wide and bottom part is too narrow (CT2113 NIKKAI repair tip)
• Faint blue picture with no picture content and flyback lines. (+ extract of circuit diagram)
• No start-up (intermittently). (part of circuit diagram displayed)
• Does not start up when cold. Audio , display OK.
• Adjusting the screen grid voltage (grey setting).
• Black band at bottom of screen over approx 8cm. Picture has shifted to the top.
• No U system.
• Secondary protective circuits TV01 and TV02 disconnect intermittently.
• The blue circuit is pale. (CT2113 NIKKAI repair tip)
• Switches to standby (intermittently).
• No start-up from standby with RC.
• RL41 O/C due to dry joints below connector BD01.
• Start up ok. Picture and sound ok. After 15 minutes or more than one hour no picture but son ok. Horizontal white line. (CT2113 tip from NIKKAI)
• No start up or reset. (CT2113 NIKKAI repair tip)
• Fuse blows at random, even at switch off.
• The picture blows up and the bottom of the screen is bright.
• Normal in black and white. In chroma, red of picture is green, blue is red and green is blue.
• 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.
• Excessive vertical size.
• Sound and picture cut out, display for 30 secs. (NIKKAI - CT2113 information)
• Loud audio.
• No videotext mode. (CT2113 tips)
• Can not be switched on from standby via RC.
• No horizontal deflection. intermittently.
• Rainbow effect in the centre.
• Cannot be switched on or switched to standby. Standby indicator does not light up.
• Horizontal centre adjustment. (CT2113 tips)
• Line stage does not start up.
• PAL run time decoder adjustment - PAL decoder.
• Does not come on from standby, red standby light comes on. TV01 and TV02 in the protective circuit respond.
• Sound is always at max even if appliance displays volume with 00.
• Standby light flashes, fuse blows. RP11 and TP32, BU508 fails. (NIKKAI - CT2113 information)
• White, bright picture, picture poorly distinguishable.
• Adjusting Us= 108V.
• Spots of colour on the screen.
• Negative picture. Distorted picture. OK via SCART .
• No system adjustment.
• The appliance pulsates 3 times then goes to safety mode.
• Vertical blue bar on centre of screen. No picture.
• 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.
• Blank screen.
• No search possible. TV switches off without the 10th, 20th and 30th channel.
• At start up 90V makes 12V. After 2 mins picture and sound present but 90V reaches a maximum at 85V.
• 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.
• No picture. after a few minutes. Audio OK . (CT2113 tip from NIKKAI)
• Dark picture. after a few minutes.
• Purity spot and scanning are incorrect.
• No transmission in UHF (12V on pin 10 of the tuner connector).
• Does not switch on. No standby.
• Unstable luminance when the appliance is warm.
• No vertical deflection.
• TL19 fails in line output stage.
• Power supply fault.
• No speacial channels. Appliance works only up to channel 69. Display for brightness shows L (= English mode) instead of B.
• Black band on one part of the screen and interference.
• Both vertical and horizontal synchronization instability.
• The linearity coil whistles.
• No picture. No audio. No channel display.
• Excessive green.
• No switch on. Standby indicator lights up.
• Loss of sync/raster/sound. Display goes off.
• U Varicap = 20V and will not change.
• After switching on the mains progamme indication in the display but no picture and no sound. (extract of circuit diagram attached)
• Wide dark stripes on left side of picture.
• Unstable lines and there is an interference line at the base of TP32.
• Poor contacts.
• When warm flickers between picture and TXT. Characters keep popping up on screen (CT2113 tips)
• No tuning.
• Station tuning disappears.
• No image, red raster and flyback lines visible. (with circuit diagram extract)
• No 300V at collector of TP32. If collector is disconnected 300V appear.
• Switches to protection mode. intermittently.
• TP32 in the PSU is s/c. (CT2113 NIKKAI repair tip)
• Switches to standby. after a while.
• Bright picture. at top and bottom.
• Noisy sound or no sound at all.
• The appliance crackles during low Gamme UHF.
• No luminance.
• The sound and picture hum.
• PSU inoperative.
• The picture is delayed by a few minutes.
• Picture hum and picture is slightly brighter at the top and bottom. (picture attached)
• The power supply is destroyed.
• Line instability.
• When appliance is switched on mains BU fails immediately.
• Picture is bright and white with flyback lines. (+ extract of circuit diagram)
• Poor vertical synchronisation. Picture shifted vertically. at top. (part of circuit diagram displayed)
• High contrast.
• Vertical picture position shifts intermittently upwards approx 2 cm after switch on. It is OK after approx 10 mins.
• No start function via RC. With mains switch appliance switches into standby. (part of circuit diagram displayed)
• The power supply does not start up. All transistors have been changed.
• BU807 blows regularly. FBT and TEA2026 have been changed. (service info for NIKKAI -CT2113)
• Poor line synchronisation. Picture is shifted up. (with circuit diagram extract)
• No brightness. Three RGB colour bands on left and right of the screen.
• Does not start up. Only displays the channel number. Power supply kit has been replaced. (CT2113 tip from NIKKAI)
• When switching on BU508A and RP11 fail after 2 secs.
• Vertical IC blows repeatedly after a few days. (CT2113 NIKKAI repair tip)
• U7 = 15V and there is no 12V voltage. A black band appears on the screen.
• Standard CCETT adaptation.
• No erasing possible.
• The appliance switches off for a short time and back on again. (with circuit diagram extract)
• No start-up. Display OK .
• After switch on, vertical centering is shifted intermittently upwards approx. 2 cm; it goes to normal position after approx. 10 minutes.
• Searches for channels continuously.
• Standby flickers.
• Vertical line.
• U1 is instead of 84-90V only approx. 60V. Current consumption is over 100W.
• RP02 burns at switch on and destroys TP32 S2000A1.
• Snow in picture. in UHF.
• Muted audio.
• TP32 heats up.
• Approx one third of the top of the picture is crushed.
• Vertical lines on edge in EE-mode and via AV.
• Intermittent loss of synchronization.
• No horizontal or vertical deflection.
• TP32 (BU508) and TL37 (BU508) fail immediately after switch on. (extract of circuit diagram attached)
• No image content, only HF noise. (picture attached)
• No command signal on the IL03.
• No adjustment.
• No picture. No sound. Programs can also be switched over. (NIKKAI - CT2113 information)
• Insufficient picture width, poor lines visible on screen
• IR receiver does not function.
• Replacement kit of thyristor ESM740/G1/G2.
• Picture is pulled at the top. Poor line sync. (extract of circuit diagram attached)
• Contrast average value is too high.
• No function, standby point is not visible.
• Adjustment of 5.5MHz min. or 4.43MHz min.
• Focus pot is defective. (CT2113 tip from NIKKAI)
• Mains switch no start up. (picture attached)
• Interference lines in the top part of the screen.
• Flyback lines. No brightness. No contrast.
• No picture. Vertical coloured lines. Raster problem.
• No vertical synchronisation.
• IL03 (TEA2026) blows up when the appliance goes into AV on TV 42cm.
• U1 = 60V instead of 90V.
• Deprogrammes approx every 4 to 5 months. (CT2113 tips)
• No functions. (extract of circuit diagram attached)
• RP51 (0R22) blows intermittently.
• Setting the vertical amplitude.
• PSU fails immediately after switch on.
• The appliance blows up on a very light background.
• TP01 (BUT12A) fails after longer operating time (CT2113 NIKKAI repair tip)
• No TXT.
• The appliance hums and the picture is unstable.
• Vertical foldover at bottom.
• The fuse blows because RP02 heats up.
• Crackling in sound and picture in UHF and VHF. No sound via scart.
• R82 (10R) on the tube base board fails.
• TP29 fails after start-up.
• 300V on the collector of TP32. Oscillates at its base but no voltage on the secondary.
• Picture flickers slightly from bottom to top. After removing display indication (control unit) picture is ok (less current). (+ extract of circuit diagram)
• No colour, picture streaking.
• When warm picture lifts from the bottom and narrows at the top, black lines at the bottom of the screen.
• Vertical line. in the centre.
• No brightness (only outlines can be recognised). Colour is ok.
• Low hum of vertical lines. (+ extract of circuit diagram)
• General information.
• Switches to protection mode. after start-up. (with circuit diagram extract)
• Crackling in sound and picture in UHF and VHF. No sound in scart.
• The power supply does not start up. No standby
• TEA 2026C is defective.
• Power supply fault. TP37 and TP32 have a short circuit and occasionally TP38.
• Picture predominantly red in SECAM. Ok in PAL via scart.
• Power supply fuse blows. When it has been replaced, TV functions again for several days.
• The display is incorrect and PE appears.
• Only switches on after 70 secs. After start up everything is ok.
• TL54/TP32 are destroyed.
• Fuse blows as soon as degaussing is connected.
• BU807 (TL54) cuts out.
• Picture shifted vertically.
• Only switches on occasionally, but without picture and sound. Occasionally very high switch on current consumption.
• No colour.Flag-effect.
• Channel storage is erased.
• The line framing is incorrect.
• Transistor BU508 fails repeatedly.
• Vertical centre adjustment. (NIKKAI - CT2113 information)
• No secondary voltage.
• No display. TV functions well. Channel change over ok.
• Image compressed horizontally. Insufficient width approx 1cm on left and right of screen.
• RP23 and transistor (BU508A) have blown.
• Sound to zero level. When volume is increased, sound goes back to zero level. Random channel switch-over.
• Focus adjustment.
• TP32 fails at switch on. (with circuit diagram extract)
• Power supply fails at less than 100V.
• Dead.
• Picture too small. at start-up.
• No start-up. (+ extract of circuit diagram)
• No 90V, RP51 burns. BU807, BU508.
• S2000 is s/c. Replaced with the original repair set, it still fails. (+ extract of circuit diagram)
• Horizontal deflection is missing. Protective circuit disconnects. Standby point flashes.
• No reception at band I, or image flickering only. (picture attached)
• Stations appear and disappear. Horizontal lines in picture.
• The appliance takes 2-3 minutes to start up.
• Switches to protection mode.
• Picture is dark or partially ther.
• Cannot be switched on or switched to standby. Standby indicator does not light up.
• Voltages from FBT gradually decrease then line BU S2000 blows after operating for 15 mins.
• Appliance does not function with the mains switch then starts up again with another button.
• Power supply, fuses, BUs, etc, blow each time appliance is switched off by ON/OFF switch.
• Switches to standby after 6 or 7 minutes with or without aerial signal.
• The PSU fails instantly. When this is replaced by the repair kit the same problem arises.
• No brightness on picture. Chroma present with vertical instability and no sound.
• Line BU (BU508) becomes hot and blows. At base of BU there are double pulses.
• At start up no line scanning or raster, TV displays PR. After approx 30 mins TV starts up.
• Slight hum of vertical bars. (service info for NIKKAI -CT2113)
• Poor vertical synchronisation.
• In normal charge, TP32 and TP38 switch off. The appliance functions without a charge. (CT2113 NIKKAI repair tip)
• Image noise in upper channels (e.g. channel 60, 99) only. (with circuit diagram extract)
• The appliance crackles and the picture framing is incorrect.
• Noise on channel 09 (band I) - colour picture. (extract of circuit diagram attached)
• Display appears after 15 secs, then pulsates on and off (no breaker circuit). (part of circuit diagram displayed)
• Reference oscillator beat adjustment: PAL decoder.
• Fails frequently when operating.
• Reluctant to start then produces a picture with reduced width.
• Power supply BU S2000 (BU508AT, BU508AF) S/C.
• Does not start up. Standby LED switches off. (CT2113 NIKKAI repair tip)
• Standby indicator flashes.
• No video or scanning. Channels are displayed. (CT2113 tips)
• Poor startup. (service info for NIKKAI -CT2113)
• Low audio.
• No horizontal deflection.
• Sound purrs when tuning, picture is correct. Sound is possibly correct but picture disappears.
• Dark screen.
• Vertical bar.
• No functions. Standby LED is not visible.
• Excessive brightness.
• PSU does not start up with a mains voltage more than 200V, ok with a voltage less than or equal to 200V. (NIKKAI - CT2113 information)
• No picture. Fusible resistor RP47 (0R22) in U2 13V-rail blows repeatedly.
• RP11 blows.
• No reception on band I, or only picture flickering.
• Poor vertical and horizontal amplitude with slight waving at sides, when cold. Everything returns to normal within 5 mins.
• No picture on channel 99.
• Switches off intermittently or does not switch on at all. (CT2113 tip from NIKKAI)
• Power supply breakdown due to a volt-rise of the power supply kit.
• No display. Appliance starts. (NIKKAI - CT2113 information)
• Hesitant start up. Mains button must be pressed several times. If appliance runs, fails again most of the time after a few mins.
• After changing the battery, how do you adjust the channels without remote control IR?
• No channel search.
• Volume varies. (CT2113 tip from NIKKAI)
• Is it possible to fit a TEA 2026C in place of a TEA 2026T ?
• The picture shifts towards the bottom of the screen.
• No RC functions.
• Dark picture.
• DP51 heats up. (NIKKAI - CT2113 information)
• No picture or sound. At switch on display indicates a channel but no control is possible.
• Screen blank. Dark picture.
• Picture drop out and development of smoke. A "rainbow" is visible in the picture.
• Shade appears behind the picture.
• 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.
• Picture appears slowly.
• Ghosting effect. (service info for NIKKAI -CT2113)
• No start-up. No display.
• No colour. No shutdown with RC.
• Switched-mode power supply (SMPS) does not start up. (part of circuit diagram displayed)
• Distorted picture. Strong streaking. (service info for NIKKAI -CT2113)
• Picture appears slowly. Display OK .
• Poor picture alignment.
• Snow, no voltage on Varicap.
• Line stage does not start up.
• No reception. via tuner.
• Coloured flyback lines and poor picture.
• No high channels can be requested.
• Displays PR and does not start
• TP32 and TP38 have a short circuit.
• No scanning. Display ok.
• PSU repair tip.
• Volume uncontrollable.
• No light and the appliance cuts out.
• PSU fails after start-up.
• No picture in UHF, voltage for band change and tuning is OK. (CT2113 NIKKAI repair tip)
• Goes into standby every quarter of an hour or half an hour. (CT2113 tips)
• The 108V voltage varies (U-system).
• Appliance goes into PAL. Occasionally no display.
• Contrast and brightness cannot be adjusted properly. (with circuit diagram extract)
• Starts up after 3 mins.
• Channels from 21 to 32 come through well but with lines and nothing comes through from 41 to 53.
• No picture. Flyback lines. at top. Audio OK .
• There are 1300V present instead of 900V peak to peak on the collector of the TL37 (BU508ATB). This breaks after some time.
• Horizontal deflection and line oscillator failed. (+ extract of circuit diagram)
• Coloured tinge in picture.
• Line oscillating or tearing.
• The channels unkey after a while.
• Picture is dark. When Ug2 is completely there, a bit of the picture is present.
• On channels from 21 to 27 picture is ok, from 32 to 35 lines on picture and from 41 to 47 no picture.
• Channels below 30 cannot be received (chassis ICC4).
• Vertical amplitude is too low.
• Phase comparator fault on TV. Ok on secondary.
• 90V problem. RP51 heats up and cuts out. DP51 and CP51 ok. Brand new line transformer. (service info for NIKKAI -CT2113)
• 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. (CT2113 tips)
• Tripping.
• Tuning voltage drifts.
• Fuse blows constantly.
• 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).
• Switches to standby. after a few minutes.
• Vertical collapse (intermittently).
• E/W fault.
• Power supply stops occasionally, approx after 1/2 hour (very irregular).
• Black picture with 10cm of RGB horizontal lines over the whole screen.
• Very snowy picture in UHF. Apparently the fault is at the level of the tuner UHF 4200.
• S/C in PSU. (picture attached)
• The picture is blurred (spot at the bottom of the screen).
• Lacks horizontal amplitude. Regulation does not function.
• Vertical lines are distorted horizontally. E/W equalizer can not be adjusted correctly.
• TP32 (BU508) becomes defective after appliance turned ON/OFF several times. (picture attached) (CT2113 tips)
• Contrast and colour are excessive at preset condition.
• Reduced vertical size.
• TL19 fails in line ouptut stage.
• Slow start-up.
• Intermittent loss of sync, a blank raster, no sound, switching to standby and the LED channel display going off.
• No picture, no sound - PSU is switched off.
• The luminance signal disappears occasionally.
• On start up, black interference lines appear then the screen is white.
• Picture spraying on band I (heat dependent at DP51). (extract of circuit diagram attached)
• Secondary protective circuit TV01 and TV02 disconnects intermittently.
• When cold, no sound and no line amplitude then finally starts up.
• The power supply is correct without a load (U1 is up). There is a complete stop in the load. (CT2113 tip from NIKKAI)
• Poor reception. in VHF.
• No colour (intermittently). Line tearing.
• Vertical lines at edge during EE operation and via AV. (with circuit diagram extract) (CT2113 tips)
• Programmes memory is lost once a month.
• PSU does not always start after switch on via front control or RC.
• No start up. PSU whistles even when secondary side disconnected.
• No start up. can be switched on after some time in standby. Sound OK. (CT2113 tip from NIKKAI)
• Black screen. Display is lit. Intermittent sound. Fault occurs both via aerial and SCART.
• Too much contrast, cannot be adjusted to less. (part of circuit diagram displayed)
• The appliance goes to safety mode and mute.
• RP61 burns out.
• 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.
• Reduced horizontal size. (extract of circuit diagram attached)
• Dark screen, 5 or 6 coloured lines at the top of the screen. Picture returns if appliance is hit.
• No picture. Sound and display are OK.
• The varicap voltage does not move.
• Horizontal collapse.
• Intermittent loss of sync. Blank raster. No audio. No LEDs.
• The colour appears after a few minutes.
• No start up. PSU blocked. (CT2113 tip from NIKKAI)
• Picture flickers and stripes in the picture.
• The power supply does not function with load.
• TL54 (BU807) becomes very hot after a few mins and blows. Normal picture.
• RP02 and power supply BU blow.
• Dark screen. on the left.
• No picture, no sound and programme display does not light up.
• Adjusting the white setting.
• 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.
• FBT ok at start up but dark screen except for 3 coloured lines in top third of screen. Sound and display of channels ok.