TLG2112 / DANSAI [TV 51 (47/48) cm picture]

• General information. (TLG2112 tips)
• No horizontal or vertical deflection.
• Vertical line. in the centre. (DANSAI - TLG2112 information)
• Vertical collapse (intermittently).
• 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 secondary voltage.
• No picture in UHF, voltage for band change and tuning is OK.
• Image compressed horizontally. Insufficient width approx 1cm on left and right of screen.
• When warm picture lifts from the bottom and narrows at the top, black lines at the bottom of the screen.
• RP11 blows.
• No image, red raster and flyback lines visible. (with circuit diagram extract)
• No colour. No shutdown with RC.
• RL41 O/C due to dry joints below connector BD01.
• Standard CCETT adaptation.
• No 300V at collector of TP32. If collector is disconnected 300V appear.
• PSU does not always start after switch on via front control or RC.
• Picture is dark or partially ther.
• Lacks horizontal amplitude. Regulation does not function.
• Fuse blows at random, even at switch off. (DANSAI - TLG2112 information)
• IR receiver does not function.
• Vertical lines on edge in EE-mode and via AV.
• Coloured flyback lines and poor picture.
• TP32 (BU508) becomes defective after appliance turned ON/OFF several times. (with circuit diagram extract)
• Fails frequently when operating.
• Picture is bright and white with flyback lines. (+ extract of circuit diagram) (TLG2112 tip from DANSAI)
• 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. (service info for DANSAI -TLG2112)
• Station tuning disappears.
• BU807 blows regularly. FBT and TEA2026 have been changed.
• Poor vertical and horizontal amplitude with slight waving at sides, when cold. Everything returns to normal within 5 mins. (service info for DANSAI -TLG2112)
• Wide dark stripes on left side of picture.
• TP32 fails at switch on. (+ extract of circuit diagram)
• Power supply, fuses, BUs, etc, blow each time appliance is switched off by ON/OFF switch.
• No light and the appliance cuts out.
• Vertical lines are distorted horizontally. E/W equalizer can not be adjusted correctly.
• Reluctant to start then produces a picture with reduced width.
• No function, standby point is not visible.
• The sound and picture hum.
• The appliance hums and the picture is unstable.
• In normal charge, TP32 and TP38 switch off. The appliance functions without a charge.
• Transistor BU508 fails repeatedly.
• No functions. (with circuit diagram extract)
• When switching on BU508A and RP11 fail after 2 secs.
• Adjusting Us= 108V.
• Picture is pulled at the top. Poor line sync. (part of circuit diagram displayed)
• The luminance signal disappears occasionally.
• No image content, only HF noise. (extract of circuit diagram attached)
• TL54/TP32 are destroyed.
• White, bright picture, picture poorly distinguishable.
• Contrast and brightness cannot be adjusted properly. (+ extract of circuit diagram)
• PSU repair tip.
• Vertical IC blows repeatedly after a few days.
• No brightness (only outlines can be recognised). Colour is ok. (TLG2112 tips)
• Dark screen. on the left.
• Standby flickers.
• RP02 and power supply BU blow.
• No video or scanning. Channels are displayed.
• Slight hum of vertical bars. (service info for DANSAI -TLG2112)
• Does not start up. Only displays the channel number. Power supply kit has been replaced.
• TP32 in the PSU is s/c.
• The blue circuit is pale.
• The line framing is incorrect.
• 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.
• Picture appears slowly. (DANSAI - TLG2112 information)
• Purity spot and scanning are incorrect.
• Goes into standby every quarter of an hour or half an hour.
• Tuning voltage drifts.
• Line output stage doesn't start up.
• Dark screen.
• Horizontal collapse.
• Adjusting the white setting.
• No reception on band I, or only picture flickering.
• Does not start up. Standby LED switches off.
• No picture. Flyback lines. at top. Audio OK .
• Top part of the picture is too wide and bottom part is too narrow
• No luminance.
• Reference oscillator beat adjustment: PAL decoder.
• Dead. (TLG2112 tips)
• Starts to pulsates. Sound, picture and display present.
• Does not switch on. No standby.
• 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.
• High contrast.
• Mains switch no start up. (picture attached)
• The channels unkey after a while. (TLG2112 tip from DANSAI)
• Vertical bar.
• Power supply breakdown due to a volt-rise of the power supply kit. (TLG2112 DANSAI repair tip)
• Dark picture.
• Faint blue picture with no picture content and flyback lines. (picture attached)
• Fuse blows as soon as degaussing is connected. (TLG2112 tips)
• Focus pot is defective.
• Voltages from FBT gradually decrease then line BU S2000 blows after operating for 15 mins.
• Switches off intermittently or does not switch on at all.
• Volume uncontrollable.
• No colour (intermittently). Line tearing.
• No speacial channels. Appliance works only up to channel 69. Display for brightness shows L (= English mode) instead of B. (DANSAI - TLG2112 information)
• No reception at band I, or image flickering only. (with circuit diagram extract)
• Switches to protection mode.
• No picture, no sound - PSU is switched off.
• Switches to standby after 6 or 7 minutes with or without aerial signal.
• Crackling in sound and picture in UHF and VHF. No sound in scart.
• Poor contacts. (TLG2112 DANSAI repair tip)
• Power supply fault. TP37 and TP32 have a short circuit and occasionally TP38.
• The power supply does not function with load. (TLG2112 tips)
• Vertical deflection has collapsed to a bright line in the middle of the screen.
• No picture. Vertical coloured lines. Raster problem.
• Poor line synchronisation. Picture is shifted up. (+ extract of circuit diagram)
• No start function via RC. With mains switch appliance switches into standby. (extract of circuit diagram attached)
• No scanning. Display ok.
• The PSU fails instantly. When this is replaced by the repair kit the same problem arises.
• Image noise in upper channels (e.g. channel 60, 99) only. (+ extract of circuit diagram)
• 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.
• Setting the vertical amplitude.
• Adjusting the screen grid voltage (grey setting).
• No picture. after a few minutes. Audio OK .
• Contrast average value is too high.
• Dark screen, 5 or 6 coloured lines at the top of the screen. Picture returns if appliance is hit.
• The picture is blurred (spot at the bottom of the screen).
• Negative picture. Distorted picture. OK via SCART .
• Vertical foldover at bottom.
• No 90V, RP51 burns. BU807, BU508.
• 300V on the collector of TP32. Oscillates at its base but no voltage on the secondary.
• At start up 90V makes 12V. After 2 mins picture and sound present but 90V reaches a maximum at 85V.
• Hesitant start up. Mains button must be pressed several times. If appliance runs, fails again most of the time after a few mins.
• Ghosting effect.
• 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.
• The appliance takes 2-3 minutes to start up.
• The colour appears after a few minutes. (TLG2112 tip from DANSAI)
• Black picture with 10cm of RGB horizontal lines over the whole screen.
• Only switches on occasionally, but without picture and sound. Occasionally very high switch on current consumption.
• Vertical centre adjustment.
• PSU fails immediately after switch on.
• Switched-mode power supply (SMPS) does not start up. (part of circuit diagram displayed)
• After switching on the mains progamme indication in the display but no picture and no sound. (with circuit diagram extract)
• Power supply fails at less than 100V. (service info for DANSAI -TLG2112)
• S/C in PSU. (+ extract of circuit diagram)
• Can not be switched on from standby via RC.
• R82 (10R) on the tube base board fails.
• Sound is always at max even if appliance displays volume with 00.
• Programmes memory is lost once a month.
• Picture width fault.
• TP32 (BU508) and TL37 (BU508) fail immediately after switch on. (picture attached)
• Excessive brightness.
• TP29 fails after switch on.
• Channels below 30 cannot be received (chassis ICC4).
• Loss of sync/raster/sound. Display goes off.
• DP51 heats up.
• At start up no line scanning or raster, TV displays PR. After approx 30 mins TV starts up.
• No display. TV functions well. Channel change over ok.
• No picture. Fusible resistor RP47 (0R22) in U2 13V-rail blows repeatedly.
• Shade appears behind the picture.
• Power supply defective.
• Slow start-up. (TLG2112 tip from DANSAI)
• DP51 s/c after operating for half an hour.
• No picture or sound. At switch on display indicates a channel but no control is possible.
• No picture. Sound and display are OK.
• Secondary protective circuits TV01 and TV02 disconnect intermittently. (TLG2112 tips)
• No start-up (intermittently). (extract of circuit diagram attached)
• Cannot be switched on or switched to standby. Standby indicator does not light up.
• The fuse blows because RP02 heats up.
• Switches to standby. after a while.
• No function display. CTV functions via the front panel and the RCU.
• When appliance is switched on mains BU fails immediately.
• Picture is dark. When Ug2 is completely there, a bit of the picture is present.
• No horizontal deflection.
• After switch on, vertical centering is shifted intermittently upwards approx. 2 cm; it goes to normal position after approx. 10 minutes.
• On channels from 21 to 27 picture is ok, from 32 to 35 lines on picture and from 41 to 47 no picture.
• No picture, no sound and programme display does not light up.
• Intermittent loss of synchronization.
• Poor picture alignment.
• TP32 and TP38 have a short circuit.
• No picture. No audio. No channel display.
• PAL run time decoder adjustment - PAL decoder.
• Standby LED flashes.
• PSU fails after start-up.
• Flyback lines. No brightness. No contrast.
• Too much contrast, cannot be adjusted to less. (with circuit diagram extract)
• No switch on. Standby power supply ok. Standby indicator lights up.
• Vertical blue bar on centre of screen. No picture.
• When cold, no sound and no line amplitude then finally starts up.
• Switches to protection mode. intermittently.
• No picture on channel 99.
• Low hum of vertical lines. (part of circuit diagram displayed)
• Only switches on after 70 secs. After start up everything is ok. (TLG2112 DANSAI repair tip)
• Replacement kit of thyristor ESM740/G1/G2.
• RP02 burns at switch on and destroys TP32 S2000A1.
• No start up. PSU blocked.
• Starts up after 3 mins.
• Standby indicator flashes. (TLG2112 tips)
• Volume varies.
• Excessive green.
• BU807 (TL54) cuts out.
• IL03 (TEA2026) blows up when the appliance goes into AV on TV 42cm.
• Systematic failure of TL54. At switch on TEA2026 has been changed.
• Picture predominantly red in SECAM. Ok in PAL via scart.
• Black band on one part of the screen and interference.
• Switches to standby (intermittently).
• Line stage does not start up.
• RP51 (0R22) blows intermittently.
• There are 1300V present instead of 900V peak to peak on the collector of the TL37 (BU508ATB). This breaks after some time.
• Horizontal centre adjustment.
• Crackling in sound and picture in UHF and VHF. No sound via scart.
• Power supply fault.
• S2000 is s/c. Replaced with the original repair set, it still fails. (part of circuit diagram displayed)
• Reduced horizontal size. (part of circuit diagram displayed) (TLG2112 DANSAI repair tip)
• Vertical lines at edge during EE operation and via AV. (part of circuit diagram displayed)
• Distorted picture. Strong streaking.
• No picture. No sound. Programs can also be switched over.
• No vertical deflection.
• No start-up. No display.
• The power supply is destroyed.
• Searches for channels continuously.
• Poor vertical synchronisation. (DANSAI - TLG2112 information)
• 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.
• 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 U system. (TLG2112 tip from DANSAI)
• Display appears after 15 secs, then pulsates on and off (no breaker circuit). (extract of circuit diagram attached)
• Picture hum and picture is slightly brighter at the top and bottom. (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.
• Horizontal deflection and line oscillator failed. (part of circuit diagram displayed)
• Vertical line.
• No high channels can be requested.
• Intermittent loss of sync. Blank raster. No audio. No LEDs.
• Picture spraying on band I (heat dependent at DP51). (picture attached)
• Unstable luminance when the appliance is warm.
• Poor display.
• TL54 (BU807) becomes very hot after a few mins and blows. Normal picture.
• No start-up from standby with RC.
• Picture too small. at start-up.
• The appliance crackles and the picture framing is incorrect. (TLG2112 tip from DANSAI)
• The picture shifts towards the bottom of the screen.
• E/W fault.
• Poor startup.
• No start up. can be switched on after some time in standby. Sound OK.
• TP32 heats up.
• PSU does not start up with a mains voltage more than 200V, ok with a voltage less than or equal to 200V.
• Approx one third of the top of the picture is crushed.
• Muted audio.
• Black band at bottom of screen over approx 8cm. Picture has shifted to the top.
• FBT ok at start up but dark screen except for 3 coloured lines in top third of screen. Sound and display of channels ok.
• No command signal on the IL03.
• Power supply stops occasionally, approx after 1/2 hour (very irregular).
• Does not start up when cold. Audio , display OK.
• Reduced vertical size. (TLG2112 tips)
• No RC functions.
• Dark picture. after a few minutes.
• No start-up. (extract of circuit diagram attached)
• Deprogrammes approx every 4 to 5 months.
• Noise on channel 09 (band I) - colour picture. (part of circuit diagram displayed)
• PSU inoperative.
• TEA 2026C is defective.
• Sound to zero level. When volume is increased, sound goes back to zero level. Random channel switch-over.
• No brightness on picture. Chroma present with vertical instability and no sound.
• Black screen. Display is lit. Intermittent sound. Fault occurs both via aerial and SCART.
• Is it possible to fit a TEA 2026C in place of a TEA 2026T ?
• Normal in black and white. In chroma, red of picture is green, blue is red and green is blue.
• The display is incorrect and PE appears.
• 90V problem. RP51 heats up and cuts out. DP51 and CP51 ok. Brand new line transformer.
• No start-up. Display OK .
• Coloured tinge in picture.
• Spots of colour on the screen. (service info for DANSAI -TLG2112)
• No horizontal deflection. intermittently.
• The appliance switches off for a short time and back on again. (picture attached) (DANSAI - TLG2112 information)
• Loud audio. (TLG2112 tips)
• Picture shifted vertically.
• After changing the battery, how do you adjust the channels without remote control IR?
• Sound purrs when tuning, picture is correct. Sound is possibly correct but picture disappears.
• Stations appear and disappear. Horizontal lines in picture.
• No channel search.
• Picture flickers slightly from bottom to top. After removing display indication (control unit) picture is ok (less current). (picture attached)
• No picture. Check the signal on pin 10 of IT20.
• Horizontal deflection is missing. Protective circuit disconnects. Standby point flashes.
• No colour, picture streaking.
• TP01 (BUT12A) fails after longer operating time
• The linearity coil whistles.
• No vertical synchronisation. (TLG2112 tip from DANSAI)
• Line oscillating or tearing.
• The varicap voltage does not move.
• Switches to standby. after a few minutes. (TLG2112 tip from DANSAI)
• Appliance goes into PAL. Occasionally no display.
• Appliance does not function with the mains switch then starts up again with another button.
• No display. Appliance starts.
• Standby light flashes, fuse blows. RP11 and TP32, BU508 fails.
• Rainbow effect in the centre.
• Poor reception. in VHF. (TLG2112 DANSAI repair tip)
• TL19 fails in line output stage. (TLG2112 tips)
• Noisy sound or no sound at all.
• When warm flickers between picture and TXT. Characters keep popping up on screen
• The 108V voltage varies (U-system).
• No start up. PSU whistles even when secondary side disconnected.
• No adjustment.
• Secondary protective circuit TV01 and TV02 disconnects intermittently.
• Power supply BU S2000 (BU508AT, BU508AF) S/C.
• Picture flickers and stripes in the picture.
• Line stage does not start up.
• Sound and picture cut out, display for 30 secs.
• Interference lines in the top part of the screen.
• 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 power supply is correct without a load (U1 is up). There is a complete stop in the load.
• The picture blows up and the bottom of the screen is bright.
• Screen blank. Dark picture.
• No erasing possible.
• Displays PR and does not start
• No reception. via tuner.
• Contrast and colour are excessive at preset condition.
• No TXT. (TLG2112 tip from DANSAI)
• U1 is instead of 84-90V only approx. 60V. Current consumption is over 100W.
• Does not come on from standby, red standby light comes on. TV01 and TV02 in the protective circuit respond. (TLG2112 tip from DANSAI)
• RP61 burns out.
• Vertical amplitude is too low.
• TP29 fails after start-up.
• Vertical picture position shifts intermittently upwards approx 2 cm after switch on. It is OK after approx 10 mins.
• Horizontal stripe (intermittently).
• TL19 fails in line ouptut stage.
• On start up, black interference lines appear then the screen is white.
• Start up ok. Picture and sound ok. After 15 minutes or more than one hour no picture but son ok. Horizontal white line. (TLG2112 tips)
• RP23 and transistor (BU508A) have blown.
• Poor vertical synchronisation. Picture shifted vertically. at top. (+ extract of circuit diagram)
• No brightness. Three RGB colour bands on left and right of the screen.
• Low audio.
• Both vertical and horizontal synchronization instability.
• Line BU (BU508) becomes hot and blows. At base of BU there are double pulses.
• U1 = 60V instead of 90V.
• The appliance goes to safety mode and mute. (DANSAI - TLG2112 information)
• No UHF channels.
• Line instability.
• Bright picture. at top and bottom. (TLG2112 tip from DANSAI)
• U Varicap = 20V and will not change.
• No functions. Standby LED is not visible.
• The appliance blows up on a very light background.
• Tripping.
• No sensitivity in the tuning.
• The power supply does not start up. All transistors have been changed.
• Switches to protection mode. after start-up. (extract of circuit diagram attached)
• Very snowy picture in UHF. Apparently the fault is at the level of the tuner UHF 4200. (TLG2112 DANSAI repair tip)
• Channels from 21 to 32 come through well but with lines and nothing comes through from 41 to 53.
• Insufficient picture width, poor lines visible on screen
• Snow, no voltage on Varicap.
• Snow in picture. in UHF.
• No transmission in UHF (12V on pin 10 of the tuner connector).
• No system adjustment.
• Unstable lines and there is an interference line at the base of TP32.
• Power supply fuse blows. When it has been replaced, TV functions again for several days.
• The appliance crackles during low Gamme UHF.
• U7 = 15V and there is no 12V voltage. A black band appears on the screen.
• No start up or reset.
• No search possible. TV switches off without the 10th, 20th and 30th channel.
• Picture appears slowly. Display OK .
• The appliance pulsates 3 times then goes to safety mode.
• Adjustment of 5.5MHz min. or 4.43MHz min.
• Channel storage is erased.
• The power supply does not start up. No standby
• Intermittent loss of sync, a blank raster, no sound, switching to standby and the LED channel display going off.
• Cannot be switched on or switched to standby. Standby indicator does not light up.
• No tuning.
• The picture is delayed by a few minutes.
• No vertical deflection. intermittently. No audio. intermittently.
• Blank screen.
• No videotext mode.
• Focus adjustment.
• Fuse blows constantly.
• Excessive vertical size.
• Phase comparator fault on TV. Ok on secondary.
• No colour.Flag-effect.