CTV2113 / NIKKAI [TV 51 (47/48) cm picture]

• No system adjustment.
• Line instability.
• The power supply does not function with load.
• Only switches on after 70 secs. After start up everything is ok. (CTV2113 NIKKAI repair tip)
• Power supply fuse blows. When it has been replaced, TV functions again for several days.
• Phase comparator fault on TV. Ok on secondary.
• The fuse blows because RP02 heats up.
• 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. (CTV2113 tip from NIKKAI)
• No picture. Check the signal on pin 10 of IT20.
• Poor vertical synchronisation.
• No picture. Sound and display are OK.
• Secondary protective circuit TV01 and TV02 disconnects intermittently.
• No scanning. Display ok.
• Display appears after 15 secs, then pulsates on and off (no breaker circuit). (picture attached)
• Poor contacts.
• PSU fails immediately after switch on.
• No function, standby point is not visible.
• Picture too small. at start-up.
• Sound is always at max even if appliance displays volume with 00.
• Horizontal collapse.
• U1 is instead of 84-90V only approx. 60V. Current consumption is over 100W.
• TP32 (BU508) becomes defective after appliance turned ON/OFF several times. (+ extract of circuit diagram)
• The appliance pulsates 3 times then goes to safety mode.
• PSU fails after start-up.
• The varicap voltage does not move.
• Line stage does not start up.
• Hesitant start up. Mains button must be pressed several times. If appliance runs, fails again most of the time after a few mins.
• No channel search. (NIKKAI - CTV2113 information)
• The power supply is correct without a load (U1 is up). There is a complete stop in the load.
• S/C in PSU. (picture attached)
• Poor picture alignment.
• The appliance blows up on a very light background.
• General information. (CTV2113 tips)
• No search possible. TV switches off without the 10th, 20th and 30th channel.
• Adjusting Us= 108V.
• Vertical collapse (intermittently).
• No videotext mode.
• Blank screen.
• After switch on, vertical centering is shifted intermittently upwards approx. 2 cm; it goes to normal position after approx. 10 minutes.
• Intermittent loss of sync, a blank raster, no sound, switching to standby and the LED channel display going off.
• No start function via RC. With mains switch appliance switches into standby. (part of circuit diagram displayed) (CTV2113 tips)
• Switches to protection mode. after start-up. (picture attached)
• Vertical blue bar on centre of screen. No picture.
• Goes into standby every quarter of an hour or half an hour.
• Poor display.
• Volume uncontrollable.
• Volume varies.
• No start-up. Display OK .
• The 108V voltage varies (U-system).
• The appliance switches off for a short time and back on again. (part of circuit diagram displayed)
• Noise on channel 09 (band I) - colour picture. (with circuit diagram extract) (CTV2113 tips)
• U7 = 15V and there is no 12V voltage. A black band appears on the screen.
• No image, red raster and flyback lines visible. (with circuit diagram extract)
• Switches to standby. after a while.
• IL03 (TEA2026) blows up when the appliance goes into AV on TV 42cm.
• Does not start up when cold. Audio , display OK.
• Standby light flashes, fuse blows. RP11 and TP32, BU508 fails.
• No picture. Vertical coloured lines. Raster problem.
• No luminance.
• Normal in black and white. In chroma, red of picture is green, blue is red and green is blue.
• The appliance hums and the picture is unstable.
• RP11 blows.
• Picture appears slowly. Display OK .
• Does not come on from standby, red standby light comes on. TV01 and TV02 in the protective circuit respond.
• The colour appears after a few minutes.
• The power supply does not start up. All transistors have been changed.
• Picture flickers and stripes in the picture.
• The line framing is incorrect.
• No picture in UHF, voltage for band change and tuning is OK.
• No display. Appliance starts.
• No reception on band I, or only picture flickering.
• Reduced vertical size.
• Vertical amplitude is too low.
• Picture flickers slightly from bottom to top. After removing display indication (control unit) picture is ok (less current). (+ extract of circuit diagram)
• On start up, black interference lines appear then the screen is white.
• Switches to protection mode. intermittently.
• Muted audio.
• Searches for channels continuously.
• Wide dark stripes on left side of picture.
• Vertical deflection has collapsed to a bright line in the middle of the screen.
• Power supply breakdown due to a volt-rise of the power supply kit.
• The picture shifts towards the bottom of the screen.
• No sensitivity in the tuning.
• Voltages from FBT gradually decrease then line BU S2000 blows after operating for 15 mins.
• Power supply fault. TP37 and TP32 have a short circuit and occasionally TP38.
• Sound and picture cut out, display for 30 secs.
• 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).
• Fuse blows as soon as degaussing is connected.
• No functions. (+ extract of circuit diagram)
• No start-up. (part of circuit diagram displayed)
• IR receiver does not function.
• Horizontal stripe (intermittently).
• DP51 heats up.
• Snow in picture. in UHF.
• Picture width fault.
• Power supply, fuses, BUs, etc, blow each time appliance is switched off by ON/OFF switch.
• Fuse blows at random, even at switch off.
• Focus pot is defective.
• Unstable lines and there is an interference line at the base of TP32. (service info for NIKKAI -CTV2113)
• Image compressed horizontally. Insufficient width approx 1cm on left and right of screen. (NIKKAI - CTV2113 information)
• No display. TV functions well. Channel change over ok.
• High contrast.
• Replacement kit of thyristor ESM740/G1/G2.
• No picture. No audio. No channel display.
• DP51 s/c after operating for half an hour.
• Coloured flyback lines and poor picture.
• No reception at band I, or image flickering only. (+ extract of circuit diagram)
• RP61 burns out. (CTV2113 NIKKAI repair tip)
• Vertical lines at edge during EE operation and via AV. (with circuit diagram extract)
• Rainbow effect in the centre.
• No start-up (intermittently). (+ extract of circuit diagram)
• No horizontal or vertical deflection.
• No vertical deflection.
• 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.
• Poor vertical and horizontal amplitude with slight waving at sides, when cold. Everything returns to normal within 5 mins.
• No picture, no sound - PSU is switched off.
• 300V on the collector of TP32. Oscillates at its base but no voltage on the secondary.
• Vertical foldover at bottom.
• The channels unkey after a while.
• Channels from 21 to 32 come through well but with lines and nothing comes through from 41 to 53.
• Line oscillating or tearing.
• Sound purrs when tuning, picture is correct. Sound is possibly correct but picture disappears.
• Picture appears slowly.
• No horizontal deflection.
• Vertical picture position shifts intermittently upwards approx 2 cm after switch on. It is OK after approx 10 mins.
• Vertical lines are distorted horizontally. E/W equalizer can not be adjusted correctly.
• Appliance does not function with the mains switch then starts up again with another button.
• Bright picture. at top and bottom.
• Power supply BU S2000 (BU508AT, BU508AF) S/C.
• No transmission in UHF (12V on pin 10 of the tuner connector).
• Ghosting effect.
• Image noise in upper channels (e.g. channel 60, 99) only. (+ extract of circuit diagram)
• No reception. via tuner.
• Black picture with 10cm of RGB horizontal lines over the whole screen.
• Snow, no voltage on Varicap.
• Adjusting the screen grid voltage (grey setting).
• In normal charge, TP32 and TP38 switch off. The appliance functions without a charge.
• Poor reception. in VHF.
• The appliance takes 2-3 minutes to start up.
• RL41 O/C due to dry joints below connector BD01.
• Shade appears behind the picture. (service info for NIKKAI -CTV2113)
• Transistor BU508 fails repeatedly. (NIKKAI - CTV2113 information)
• Standby indicator flashes.
• No start up or reset.
• Loss of sync/raster/sound. Display goes off.
• Station tuning disappears.
• When cold, no sound and no line amplitude then finally starts up. (CTV2113 NIKKAI repair tip)
• Negative picture. Distorted picture. OK via SCART .
• 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.
• No start up. PSU whistles even when secondary side disconnected.
• Black band on one part of the screen and interference.
• 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.
• RP02 and power supply BU blow.
• 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.
• RP51 (0R22) blows intermittently.
• Faint blue picture with no picture content and flyback lines. (extract of circuit diagram attached)
• Excessive brightness.
• Focus adjustment.
• Switched-mode power supply (SMPS) does not start up. (with circuit diagram extract)
• No colour. No shutdown with RC.
• Switches to standby after 6 or 7 minutes with or without aerial signal.
• Horizontal deflection and line oscillator failed. (extract of circuit diagram attached) (CTV2113 tips)
• Lacks horizontal amplitude. Regulation does not function.
• Intermittent loss of synchronization.
• Start up ok. Picture and sound ok. After 15 minutes or more than one hour no picture but son ok. Horizontal white line.
• Deprogrammes approx every 4 to 5 months.
• No horizontal deflection. intermittently.
• Reluctant to start then produces a picture with reduced width.
• There are 1300V present instead of 900V peak to peak on the collector of the TL37 (BU508ATB). This breaks after some time.
• Vertical centre adjustment.
• PSU does not start up with a mains voltage more than 200V, ok with a voltage less than or equal to 200V.
• No picture, no sound and programme display does not light up.
• The sound and picture hum.
• Power supply fails at less than 100V.
• BU807 (TL54) cuts out.
• Screen blank. Dark picture.
• TL54/TP32 are destroyed.
• Vertical line. in the centre.
• Too much contrast, cannot be adjusted to less. (+ extract of circuit diagram)
• Unstable luminance when the appliance is warm.
• Stations appear and disappear. Horizontal lines in picture.
• Sound to zero level. When volume is increased, sound goes back to zero level. Random channel switch-over.
• Poor vertical synchronisation. Picture shifted vertically. at top. (+ extract of circuit diagram)
• Picture is dark or partially ther.
• Reference oscillator beat adjustment: PAL decoder.
• No function display. CTV functions via the front panel and the RCU.
• No functions. Standby LED is not visible.
• No colour, picture streaking.
• Switches to protection mode.
• No picture. No sound. Programs can also be switched over. (CTV2113 tips)
• The appliance crackles during low Gamme UHF.
• Power supply fault.
• After changing the battery, how do you adjust the channels without remote control IR?
• Standby flickers.
• No erasing possible. (CTV2113 NIKKAI repair tip)
• Dark picture.
• Switches to standby. after a few minutes.
• Crackling in sound and picture in UHF and VHF. No sound via scart.
• Does not switch on. No standby.
• Interference lines in the top part of the screen.
• When warm picture lifts from the bottom and narrows at the top, black lines at the bottom of the screen. (service info for NIKKAI -CTV2113)
• No start-up. No display.
• Setting the vertical amplitude.
• Picture shifted vertically.
• Horizontal centre adjustment.
• No UHF channels.
• Adjustment of 5.5MHz min. or 4.43MHz min. (NIKKAI - CTV2113 information)
• TP32 fails at switch on. (with circuit diagram extract)
• Both vertical and horizontal synchronization instability. (service info for NIKKAI -CTV2113)
• Secondary protective circuits TV01 and TV02 disconnect intermittently.
• BU807 blows regularly. FBT and TEA2026 have been changed.
• Cannot be switched on or switched to standby. Standby indicator does not light up.
• Slight hum of vertical bars.
• Channels below 30 cannot be received (chassis ICC4).
• No video or scanning. Channels are displayed.
• The display is incorrect and PE appears.
• Starts to pulsates. Sound, picture and display present.
• Horizontal deflection is missing. Protective circuit disconnects. Standby point flashes.
• No image content, only HF noise. (part of circuit diagram displayed)
• RP23 and transistor (BU508A) have blown.
• Line stage does not start up.
• TP32 and TP38 have a short circuit.
• No picture. Fusible resistor RP47 (0R22) in U2 13V-rail blows repeatedly.
• Low audio.
• Displays PR and does not start
• Starts up after 3 mins.
• Does not start up. Standby LED switches off.
• Flyback lines. No brightness. No contrast.
• TP29 fails after switch on.
• Vertical bar.
• No RC functions.
• Crackling in sound and picture in UHF and VHF. No sound in scart.
• The power supply is destroyed.
• No 90V, RP51 burns. BU807, BU508.
• The blue circuit is pale.
• Picture spraying on band I (heat dependent at DP51). (extract of circuit diagram attached)
• Channel storage is erased.
• No adjustment.
• RP02 burns at switch on and destroys TP32 S2000A1.
• No secondary voltage.
• Picture hum and picture is slightly brighter at the top and bottom. (extract of circuit diagram attached)
• No colour (intermittently). Line tearing.
• Can not be switched on from standby via RC.
• Top part of the picture is too wide and bottom part is too narrow
• TP32 in the PSU is s/c.
• No speacial channels. Appliance works only up to channel 69. Display for brightness shows L (= English mode) instead of B. (CTV2113 tips)
• Approx one third of the top of the picture is crushed. (service info for NIKKAI -CTV2113)
• Line output stage doesn't start up.
• The luminance signal disappears occasionally.
• Loud audio. (CTV2113 NIKKAI repair tip)
• Distorted picture. Strong streaking.
• TL54 (BU807) becomes very hot after a few mins and blows. Normal picture.
• Purity spot and scanning are incorrect.
• Cannot be switched on or switched to standby. Standby indicator does not light up.
• Picture is pulled at the top. Poor line sync. (picture attached)
• Vertical line.
• Standard CCETT adaptation.
• Slow start-up. (CTV2113 tip from NIKKAI)
• No start-up from standby with RC.
• When switching on BU508A and RP11 fail after 2 secs.
• White, bright picture, picture poorly distinguishable.
• TEA 2026C is defective. (CTV2113 tips)
• No brightness on picture. Chroma present with vertical instability and no sound.
• No command signal on the IL03.
• The picture is delayed by a few minutes.
• Mains switch no start up. (+ extract of circuit diagram)
• At start up 90V makes 12V. After 2 mins picture and sound present but 90V reaches a maximum at 85V.
• Power supply stops occasionally, approx after 1/2 hour (very irregular). (CTV2113 tips)
• PSU repair tip.
• TL19 fails in line ouptut stage.
• Fails frequently when operating. (CTV2113 tip from NIKKAI)
• The picture blows up and the bottom of the screen is bright.
• Dark picture. after a few minutes.
• Black band at bottom of screen over approx 8cm. Picture has shifted to the top.
• TP32 (BU508) and TL37 (BU508) fail immediately after switch on. (part of circuit diagram displayed)
• The appliance goes to safety mode and mute.
• The PSU fails instantly. When this is replaced by the repair kit the same problem arises.
• Adjusting the white setting.
• PAL run time decoder adjustment - PAL decoder.
• Spots of colour on the screen.
• The picture is blurred (spot at the bottom of the screen). (CTV2113 tips)
• 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.
• Picture is dark. When Ug2 is completely there, a bit of the picture is present.
• Switches to standby (intermittently).
• U Varicap = 20V and will not change.
• No picture on channel 99.
• 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.
• Poor startup.
• No TXT.
• S2000 is s/c. Replaced with the original repair set, it still fails. (picture attached)
• Excessive green.
• Excessive vertical size.
• U1 = 60V instead of 90V.
• 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.
• Very snowy picture in UHF. Apparently the fault is at the level of the tuner UHF 4200.
• Contrast and brightness cannot be adjusted properly. (with circuit diagram extract)
• No 300V at collector of TP32. If collector is disconnected 300V appear.
• No picture. after a few minutes. Audio OK .
• Line BU (BU508) becomes hot and blows. At base of BU there are double pulses.
• Tripping. (service info for NIKKAI -CTV2113)
• TL19 fails in line output stage.
• No vertical deflection. intermittently. No audio. intermittently.
• Noisy sound or no sound at all. (CTV2113 NIKKAI repair tip)
• Dark screen, 5 or 6 coloured lines at the top of the screen. Picture returns if appliance is hit.
• No light and the appliance cuts 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.
• Contrast and colour are excessive at preset condition.
• No tuning. (CTV2113 NIKKAI repair tip)
• No start up. can be switched on after some time in standby. Sound OK.
• Dead.
• TP29 fails after start-up.
• After switching on the mains progamme indication in the display but no picture and no sound. (part of circuit diagram displayed)
• Vertical lines on edge in EE-mode and via AV.
• Vertical IC blows repeatedly after a few days.
• No brightness (only outlines can be recognised). Colour is ok.
• Dark screen. on the left.
• No picture or sound. At switch on display indicates a channel but no control is possible.
• TP32 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.
• TP01 (BUT12A) fails after longer operating time
• Programmes memory is lost once a month.
• Contrast average value is too high.
• Systematic failure of TL54. At switch on TEA2026 has been changed.
• No picture. Flyback lines. at top. Audio OK .
• No brightness. Three RGB colour bands on left and right of the screen.
• No start up. PSU blocked.
• No colour.Flag-effect. (service info for NIKKAI -CTV2113)
• Power supply defective.
• Insufficient picture width, poor lines visible on screen
• Tuning voltage drifts.
• No vertical synchronisation.
• PSU inoperative.
• FBT ok at start up but dark screen except for 3 coloured lines in top third of screen. Sound and display of channels ok.
• Fuse blows constantly.
• Standby LED flashes.
• Picture is bright and white with flyback lines. (picture attached)
• PSU does not always start after switch on via front control or RC.
• 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.
• R82 (10R) on the tube base board fails. (CTV2113 NIKKAI repair tip)
• No U system.
• Reduced horizontal size. (picture attached)
• No high channels can be requested.
• The linearity coil whistles.
• E/W fault.
• When warm flickers between picture and TXT. Characters keep popping up on screen (CTV2113 tip from NIKKAI)
• Low hum of vertical lines. (part of circuit diagram displayed)
• Coloured tinge in picture.
• Poor line synchronisation. Picture is shifted up. (picture attached)
• Black screen. Display is lit. Intermittent sound. Fault occurs both via aerial and SCART.
• Appliance goes into PAL. Occasionally no display.
• Intermittent loss of sync. Blank raster. No audio. No LEDs.
• Is it possible to fit a TEA 2026C in place of a TEA 2026T ?
• Only switches on occasionally, but without picture and sound. Occasionally very high switch on current consumption.
• 90V problem. RP51 heats up and cuts out. DP51 and CP51 ok. Brand new line transformer.
• When appliance is switched on mains BU fails immediately.
• Picture predominantly red in SECAM. Ok in PAL via scart.
• Dark screen.
• The power supply does not start up. No standby
• No switch on. Standby power supply ok. Standby indicator lights up.
• At start up no line scanning or raster, TV displays PR. After approx 30 mins TV starts up.
• The appliance crackles and the picture framing is incorrect.