TLG100 / TAI [TV]

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