TLG100 / NIKKAI [TV]

• Horizontal deflection and line oscillator failed. (with circuit diagram extract)
• Black screen. Display is lit. Intermittent sound. Fault occurs both via aerial and SCART.
• TP32 (BU508) and TL37 (BU508) fail immediately after switch on. (with circuit diagram extract)
• Snow, no voltage on Varicap.
• Goes into standby every quarter of an hour or half an hour. (TLG100 NIKKAI repair tip)
• No horizontal or vertical deflection.
• TP01 (BUT12A) fails after longer operating time
• The 108V voltage varies (U-system).
• No function display. CTV functions via the front panel and the RCU.
• No colour, picture streaking. (NIKKAI - TLG100 information)
• RL41 O/C due to dry joints below connector BD01.
• No light and the appliance cuts out.
• The appliance goes to safety mode and mute.
• No luminance.
• At start up no line scanning or raster, TV displays PR. After approx 30 mins TV starts up.
• Power supply stops occasionally, approx after 1/2 hour (very irregular).
• Wide dark stripes on left side of picture.
• Switched-mode power supply (SMPS) does not start up. (picture attached)
• Slight hum of vertical bars.
• No start-up from standby with RC.
• Focus adjustment.
• TL19 fails in line output stage.
• Does not start up. Standby LED switches off.
• No speacial channels. Appliance works only up to channel 69. Display for brightness shows L (= English mode) instead of B.
• 90V problem. RP51 heats up and cuts out. DP51 and CP51 ok. Brand new line transformer. (service info for NIKKAI -TLG100)
• Unstable luminance when the appliance is warm. (TLG100 tip from NIKKAI)
• No picture in UHF, voltage for band change and tuning is OK.
• No brightness. Three RGB colour bands on left and right of the screen. (TLG100 tips)
• No 300V at collector of TP32. If collector is disconnected 300V appear.
• Snow in picture. in UHF.
• Line oscillating or tearing.
• No U system.
• No functions. (extract of circuit diagram attached)
• Fuse blows constantly.
• Hesitant start up. Mains button must be pressed several times. If appliance runs, fails again most of the time after a few mins.
• IR receiver does not function. (TLG100 NIKKAI repair tip)
• No picture or sound. At switch on display indicates a channel but no control is possible.
• Dark picture. after a few minutes.
• Excessive vertical size.
• Vertical deflection has collapsed to a bright line in the middle of the screen. (TLG100 tip from NIKKAI)
• TP32 (BU508) becomes defective after appliance turned ON/OFF several times. (picture attached)
• DP51 heats up.
• After switch on, vertical centering is shifted intermittently upwards approx. 2 cm; it goes to normal position after approx. 10 minutes.
• Programmes memory is lost once a month. (NIKKAI - TLG100 information)
• Black picture with 10cm of RGB horizontal lines over the whole screen.
• Poor contacts.
• PAL run time decoder adjustment - PAL decoder.
• Adjusting Us= 108V.
• No image, red raster and flyback lines visible. (+ extract of circuit diagram)
• Vertical bar.
• No image content, only HF noise. (picture attached)
• The line framing is incorrect.
• TP29 fails after start-up.
• The varicap voltage does not move.
• Sound to zero level. When volume is increased, sound goes back to zero level. Random channel switch-over.
• Both vertical and horizontal synchronization instability.
• Low audio.
• Excessive green. (NIKKAI - TLG100 information)
• No search possible. TV switches off without the 10th, 20th and 30th channel. (TLG100 NIKKAI repair tip)
• TP32 fails at switch on. (with circuit diagram extract)
• The display is incorrect and PE appears.
• Standby indicator flashes.
• U Varicap = 20V and will not change.
• 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.
• Top part of the picture is too wide and bottom part is too narrow
• No picture. Flyback lines. at top. Audio OK .
• PSU does not always start after switch on via front control or RC.
• The picture blows up and the bottom of the screen is bright.
• Poor vertical synchronisation. Picture shifted vertically. at top. (extract of circuit diagram attached)
• Start up ok. Picture and sound ok. After 15 minutes or more than one hour no picture but son ok. Horizontal white line.
• Loud audio.
• Vertical blue bar on centre of screen. No picture.
• No video or scanning. Channels are displayed.
• No picture. after a few minutes. Audio OK .
• Blank screen.
• Horizontal stripe (intermittently).
• No start up. PSU whistles even when secondary side disconnected.
• Appliance does not function with the mains switch then starts up again with another button.
• No picture. No audio. No channel display.
• Deprogrammes approx every 4 to 5 months.
• After changing the battery, how do you adjust the channels without remote control IR?
• No start up. PSU blocked.
• Black band on one part of the screen and interference.
• Fuse blows at random, even at switch off.
• The blue circuit is pale.
• No picture. Sound and display are OK. (TLG100 tip from NIKKAI)
• Picture too small. at start-up.
• Faint blue picture with no picture content and flyback lines. (with circuit diagram extract)
• Adjusting the screen grid voltage (grey setting).
• Noise on channel 09 (band I) - colour picture. (+ extract of circuit diagram)
• The appliance crackles and the picture framing is incorrect. (TLG100 NIKKAI repair tip)
• Picture shifted vertically. (service info for NIKKAI -TLG100)
• The power supply is destroyed.
• On start up, black interference lines appear then the screen is white.
• No TXT.
• TP32 and TP38 have a short circuit.
• When switching on BU508A and RP11 fail after 2 secs.
• Volume varies.
• Image compressed horizontally. Insufficient width approx 1cm on left and right of screen.
• Standby light flashes, fuse blows. RP11 and TP32, BU508 fails.
• Poor line synchronisation. Picture is shifted up. (extract of circuit diagram attached) (service info for NIKKAI -TLG100)
• The appliance switches off for a short time and back on again. (+ extract of circuit diagram)
• RP51 (0R22) blows intermittently.
• Power supply BU S2000 (BU508AT, BU508AF) S/C.
• The appliance blows up on a very light background. (TLG100 tips)
• Vertical lines are distorted horizontally. E/W equalizer can not be adjusted correctly.
• TL54/TP32 are destroyed.
• Low hum of vertical lines. (+ extract of circuit diagram)
• Power supply fails at less than 100V. (NIKKAI - TLG100 information)
• Coloured tinge in picture.
• Sound and picture cut out, display for 30 secs.
• No brightness on picture. Chroma present with vertical instability and no sound.
• No horizontal deflection. intermittently. (TLG100 tip from NIKKAI)
• Dark screen. on the left.
• U1 is instead of 84-90V only approx. 60V. Current consumption is over 100W.
• Display appears after 15 secs, then pulsates on and off (no breaker circuit). (part of circuit diagram displayed)
• Picture is dark or partially ther.
• 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.
• No display. Appliance starts. (TLG100 tip from NIKKAI)
• Secondary protective circuit TV01 and TV02 disconnects intermittently.
• Picture hum and picture is slightly brighter at the top and bottom. (extract of circuit diagram attached)
• Sound purrs when tuning, picture is correct. Sound is possibly correct but picture disappears. (TLG100 tips)
• No functions. Standby LED is not visible.
• Switches to standby after 6 or 7 minutes with or without aerial signal.
• Rainbow effect in the centre.
• No scanning. Display ok.
• Ghosting effect.
• Searches for channels continuously.
• Purity spot and scanning are incorrect.
• Dead.
• The appliance hums and the picture is unstable.
• Distorted picture. Strong streaking.
• Line instability.
• No reception on band I, or only picture flickering.
• Systematic failure of TL54. At switch on TEA2026 has been changed.
• Adjustment of 5.5MHz min. or 4.43MHz min.
• TP32 heats up.
• Black band at bottom of screen over approx 8cm. Picture has shifted to the top.
• No adjustment. (TLG100 tip from NIKKAI)
• The linearity coil whistles. (service info for NIKKAI -TLG100)
• Station tuning disappears.
• No start function via RC. With mains switch appliance switches into standby. (+ 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.
• RP02 burns at switch on and destroys TP32 S2000A1.
• Secondary protective circuits TV01 and TV02 disconnect intermittently.
• Lacks horizontal amplitude. Regulation does not function.
• Approx one third of the top of the picture is crushed. (NIKKAI - TLG100 information)
• Switches to standby. after a while.
• Insufficient picture width, poor lines visible on screen
• Cannot be switched on or switched to standby. Standby indicator does not light up.
• High contrast.
• The power supply is correct without a load (U1 is up). There is a complete stop in the load.
• When cold, no sound and no line amplitude then finally starts up.
• No picture, no sound - PSU is switched off.
• Is it possible to fit a TEA 2026C in place of a TEA 2026T ?
• TEA 2026C is defective.
• After switching on the mains progamme indication in the display but no picture and no sound. (with circuit diagram extract)
• No sensitivity in the tuning.
• Picture flickers and stripes in the picture. (TLG100 NIKKAI repair tip)
• 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.
• Very snowy picture in UHF. Apparently the fault is at the level of the tuner UHF 4200.
• Standby LED flashes.
• No colour.Flag-effect.
• No colour (intermittently). Line tearing.
• Poor vertical and horizontal amplitude with slight waving at sides, when cold. Everything returns to normal within 5 mins.
• RP61 burns out.
• Starts up after 3 mins.
• No start-up (intermittently). (picture attached)
• When appliance is switched on mains BU fails immediately.
• Vertical line. in the centre.
• When warm flickers between picture and TXT. Characters keep popping up on screen
• No high channels can be requested.
• Slow start-up. (TLG100 tip from NIKKAI)
• No picture. Vertical coloured lines. Raster problem.
• FBT ok at start up but dark screen except for 3 coloured lines in top third of screen. Sound and display of channels ok.
• Standby flickers.
• Switches to protection mode. after start-up. (with circuit diagram extract)
• In normal charge, TP32 and TP38 switch off. The appliance functions without a charge.
• No start-up. Display OK .
• No system adjustment.
• 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 UHF channels.
• Reference oscillator beat adjustment: PAL decoder. (TLG100 tips)
• U7 = 15V and there is no 12V voltage. A black band appears on the screen.
• Tuning voltage drifts.
• PSU fails immediately after switch on.
• Vertical line.
• Volume uncontrollable.
• Does not switch on. No standby.
• 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).
• The fuse blows because RP02 heats up.
• Reduced vertical size.
• Loss of sync/raster/sound. Display goes off.
• No vertical deflection. intermittently. No audio. intermittently. (TLG100 NIKKAI repair tip)
• Muted audio.
• Intermittent loss of synchronization.
• The picture is blurred (spot at the bottom of the screen).
• Picture width fault.
• The picture shifts towards the bottom of the screen.
• U1 = 60V instead of 90V.
• Voltages from FBT gradually decrease then line BU S2000 blows after operating for 15 mins.
• S2000 is s/c. Replaced with the original repair set, it still fails. (part of circuit diagram displayed)
• Line stage does not start up.
• No start-up. No display.
• Contrast and brightness cannot be adjusted properly. (picture attached)
• Picture predominantly red in SECAM. Ok in PAL via scart. (TLG100 tips)
• PSU repair tip.
• Picture spraying on band I (heat dependent at DP51). (part of circuit diagram displayed)
• Intermittent loss of sync, a blank raster, no sound, switching to standby and the LED channel display going off.
• Poor startup.
• No secondary voltage.
• No 90V, RP51 burns. BU807, BU508. (NIKKAI - TLG100 information)
• Only switches on after 70 secs. After start up everything is ok.
• No picture. Fusible resistor RP47 (0R22) in U2 13V-rail blows repeatedly.
• Contrast and colour are excessive at preset condition.
• Power supply breakdown due to a volt-rise of the power supply kit.
• Spots of colour on the screen.
• The picture is delayed by a few minutes.
• The luminance signal disappears occasionally.
• No start-up. (with circuit diagram extract)
• Switches to protection mode. intermittently.
• No transmission in UHF (12V on pin 10 of the tuner connector).
• 300V on the collector of TP32. Oscillates at its base but no voltage on the secondary. (TLG100 NIKKAI repair tip)
• White, bright picture, picture poorly distinguishable.
• No reception. via tuner.
• Tripping.
• Fuse blows as soon as degaussing is connected.
• Switches to protection mode.
• Can not be switched on from standby via RC.
• No start up or reset.
• Poor display.
• 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.
• Appliance goes into PAL. Occasionally no display.
• Dark picture.
• Vertical centre adjustment.
• No function, standby point is not visible.
• Too much contrast, cannot be adjusted to less. (part of circuit diagram displayed)
• Does not start up. Only displays the channel number. Power supply kit has been replaced.
• The power supply does not start up. No standby
• Power supply fault.
• Vertical foldover at bottom.
• Intermittent loss of sync. Blank raster. No audio. No LEDs.
• Picture drop out and development of smoke. A "rainbow" is visible in the picture.
• The appliance crackles during low Gamme UHF.
• No horizontal deflection.
• Crackling in sound and picture in UHF and VHF. No sound via scart.
• No start up. can be switched on after some time in standby. Sound OK.
• Negative picture. Distorted picture. OK via SCART .
• Does not start up when cold. Audio , display OK.
• Screen blank. Dark picture.
• No vertical synchronisation.
• Mains switch no start up. (picture attached)
• Starts to pulsates. Sound, picture and display present.
• Standard CCETT adaptation. (TLG100 tips)
• The appliance pulsates 3 times then goes to safety mode.
• No brightness (only outlines can be recognised). Colour is ok.
• Poor picture alignment.
• Sound is always at max even if appliance displays volume with 00.
• Horizontal collapse.
• On channels from 21 to 27 picture is ok, from 32 to 35 lines on picture and from 41 to 47 no picture.
• TL54 (BU807) becomes very hot after a few mins and blows. Normal picture.
• No display. TV functions well. Channel change over ok.
• Unstable lines and there is an interference line at the base of TP32.
• Channel storage is erased.
• Reluctant to start then produces a picture with reduced width.
• Switches to standby. after a few minutes.
• Picture flickers slightly from bottom to top. After removing display indication (control unit) picture is ok (less current). (part of circuit diagram displayed) (NIKKAI - TLG100 information)
• The power supply does not function with load.
• At start up 90V makes 12V. After 2 mins picture and sound present but 90V reaches a maximum at 85V.
• Phase comparator fault on TV. Ok on secondary.
• The channels unkey after a while.
• TP29 fails after switch on.
• RP02 and power supply BU blow.
• Horizontal deflection is missing. Protective circuit disconnects. Standby point flashes.
• Dark screen.
• Vertical lines at edge during EE operation and via AV. (part of circuit diagram displayed)
• The power supply does not start up. All transistors have been changed.
• No colour. No shutdown with RC.
• Crackling in sound and picture in UHF and VHF. No sound in scart.
• Image noise in upper channels (e.g. channel 60, 99) only. (+ extract of circuit diagram)
• BU807 blows regularly. FBT and TEA2026 have been changed.
• TL19 fails in line ouptut stage.
• No picture. Check the signal on pin 10 of IT20. (TLG100 NIKKAI repair tip)
• No channel search.
• Contrast average value is too high.
• No picture on channel 99.
• Poor vertical synchronisation. (NIKKAI - TLG100 information)
• Excessive brightness.
• Does not come on from standby, red standby light comes on. TV01 and TV02 in the protective circuit respond.
• Setting the vertical amplitude.
• DP51 s/c after operating for half an hour.
• IL03 (TEA2026) blows up when the appliance goes into AV on TV 42cm.
• No command signal on the IL03.
• Flyback lines. No brightness. No contrast.
• Only switches on occasionally, but without picture and sound. Occasionally very high switch on current consumption.
• The sound and picture hum.
• Vertical amplitude is too low. (NIKKAI - TLG100 information)
• Line output stage doesn't start up.
• S/C in PSU. (+ extract of circuit diagram)
• General information.
• TP32 in the PSU is s/c. (TLG100 tips)
• The colour appears after a few minutes.
• Power supply fuse blows. When it has been replaced, TV functions again for several days.
• Power supply fault. TP37 and TP32 have a short circuit and occasionally TP38.
• No picture, no sound and programme display does not light up.
• Bright picture. at top and bottom.
• Power supply defective.
• Switches to standby (intermittently).
• R82 (10R) on the tube base board fails.
• Picture appears slowly. Display OK .
• Dark screen, 5 or 6 coloured lines at the top of the screen. Picture returns if appliance is hit.
• No vertical deflection.
• No switch on. Standby indicator lights up.
• Noisy sound or no sound at all.
• Coloured flyback lines and poor picture.
• 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.
• Cannot be switched on or switched to standby. Standby indicator does not light up.
• Line BU (BU508) becomes hot and blows. At base of BU there are double pulses.
• PSU inoperative.
• 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.
• Picture appears slowly.
• Fails frequently when operating.
• Power supply, fuses, BUs, etc, blow each time appliance is switched off by ON/OFF switch.
• No reception at band I, or image flickering only. (with circuit diagram extract)
• Displays PR and does not start
• Picture is dark. When Ug2 is completely there, a bit of the picture is present.
• No RC functions. (service info for NIKKAI -TLG100)
• 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.
• Stations appear and disappear. Horizontal lines in picture.
• Vertical collapse (intermittently).
• RP11 blows.
• RP23 and transistor (BU508A) have blown. (TLG100 tips)
• Picture is bright and white with flyback lines. (+ extract of circuit diagram)
• Channels from 21 to 32 come through well but with lines and nothing comes through from 41 to 53.
• Focus pot is defective. (TLG100 tips)
• The PSU fails instantly. When this is replaced by the repair kit the same problem arises.
• PSU does not start up with a mains voltage more than 200V, ok with a voltage less than or equal to 200V.
• Switches off intermittently or does not switch on at all.
• Transistor BU508 fails repeatedly.
• E/W fault.
• Picture is pulled at the top. Poor line sync. (+ extract of circuit diagram)
• Normal in black and white. In chroma, red of picture is green, blue is red and green is blue.
• Horizontal centre adjustment.
• No picture. No sound. Programs can also be switched over.
• When warm picture lifts from the bottom and narrows at the top, black lines at the bottom of the screen.
• No videotext mode.
• Vertical IC blows repeatedly after a few days.
• Interference lines in the top part of the screen.
• Adjusting the white setting.
• No erasing possible.
• BU807 (TL54) cuts out.
• Channels below 30 cannot be received (chassis ICC4).
• Replacement kit of thyristor ESM740/G1/G2.
• The appliance takes 2-3 minutes to start up.
• Poor reception. in VHF. (TLG100 tips)
• Vertical lines on edge in EE-mode and via AV.
• Vertical picture position shifts intermittently upwards approx 2 cm after switch on. It is OK after approx 10 mins. (service info for NIKKAI -TLG100)
• Line stage does not start up.
• PSU fails after start-up.
• There are 1300V present instead of 900V peak to peak on the collector of the TL37 (BU508ATB). This breaks after some time. (TLG100 NIKKAI repair tip)
• Shade appears behind the picture.
• No tuning.
• Reduced horizontal size. (+ extract of circuit diagram)