TLG2191 / NETWORK [TV 51 (47/48) cm picture]

• No functions. Standby LED is not visible.
• The display is incorrect and PE appears.
• Picture width fault.
• The blue circuit is pale.
• Station tuning disappears.
• Appliance goes into PAL. Occasionally no display.
• No brightness on picture. Chroma present with vertical instability and no sound.
• Switched-mode power supply (SMPS) does not start up. (picture attached)
• No picture. Flyback lines. at top. Audio OK .
• 90V problem. RP51 heats up and cuts out. DP51 and CP51 ok. Brand new line transformer.
• Line stage does not start up.
• Goes into standby every quarter of an hour or half an hour.
• Power supply stops occasionally, approx after 1/2 hour (very irregular).
• Screen blank. Dark picture.
• Vertical lines are distorted horizontally. E/W equalizer can not be adjusted correctly.
• No reception on band I, or only picture flickering.
• No picture. Vertical coloured lines. Raster problem.
• U1 = 60V instead of 90V. (NETWORK - TLG2191 information)
• No start up. PSU whistles even when secondary side disconnected. (service info for NETWORK -TLG2191)
• The appliance takes 2-3 minutes to start up. (TLG2191 tip from NETWORK)
• No picture. Check the signal on pin 10 of IT20.
• Stations appear and disappear. Horizontal lines in picture.
• Image noise in upper channels (e.g. channel 60, 99) only. (part of circuit diagram displayed)
• Dark picture. after a few minutes.
• TP29 fails after start-up.
• Picture is bright and white with flyback lines. (+ extract of circuit diagram)
• DP51 heats up.
• Vertical foldover at bottom. (TLG2191 NETWORK repair tip)
• Snow in picture. in UHF.
• Programmes memory is lost once a month.
• The picture shifts towards the bottom of the screen.
• Black screen. Display is lit. Intermittent sound. Fault occurs both via aerial and SCART.
• Starts to pulsates. Sound, picture and display present.
• Intermittent loss of synchronization.
• No image content, only HF noise. (picture attached)
• Black picture with 10cm of RGB horizontal lines over the whole screen.
• Channel storage is erased.
• TP32 fails at switch on. (part of circuit diagram displayed)
• No picture in UHF, voltage for band change and tuning is OK.
• Line output stage doesn't start up. (TLG2191 NETWORK repair tip)
• On channels from 21 to 27 picture is ok, from 32 to 35 lines on picture and from 41 to 47 no picture. (NETWORK - TLG2191 information)
• 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).
• Does not switch on. No standby.
• Switches to standby. after a few minutes.
• 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.
• Reduced horizontal size. (extract of circuit diagram attached) (NETWORK - TLG2191 information)
• No high channels can be requested.
• RP61 burns out.
• Dark screen.
• 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.
• The power supply does not start up. All transistors have been changed.
• PSU fails immediately after switch on.
• Power supply BU S2000 (BU508AT, BU508AF) S/C.
• FBT ok at start up but dark screen except for 3 coloured lines in top third of screen. Sound and display of channels ok.
• Sound and picture cut out, display for 30 secs.
• Contrast and brightness cannot be adjusted properly. (with circuit diagram extract)
• Cannot be switched on or switched to standby. Standby indicator does not light up.
• Dark screen. on the left.
• The power supply does not start up. No standby
• No UHF channels.
• U1 is instead of 84-90V only approx. 60V. Current consumption is over 100W.
• 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.
• Power supply breakdown due to a volt-rise of the power supply kit.
• Adjusting the white setting.
• No vertical deflection. intermittently. No audio. intermittently.
• Mains switch no start up. (+ extract of circuit diagram)
• Power supply fails at less than 100V.
• No transmission in UHF (12V on pin 10 of the tuner connector).
• No U system.
• 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.
• Poor contacts. (TLG2191 NETWORK repair tip)
• When warm picture lifts from the bottom and narrows at the top, black lines at the bottom of the screen. (TLG2191 NETWORK repair tip)
• Snow, no voltage on Varicap.
• Reference oscillator beat adjustment: PAL decoder.
• Is it possible to fit a TEA 2026C in place of a TEA 2026T ?
• Black band at bottom of screen over approx 8cm. Picture has shifted to the top.
• The appliance switches off for a short time and back on again. (extract of circuit diagram attached)
• TEA 2026C is defective.
• RP51 (0R22) blows intermittently.
• Dark screen, 5 or 6 coloured lines at the top of the screen. Picture returns if appliance is hit.
• Standby flickers.
• The varicap voltage does not move. (TLG2191 tip from NETWORK)
• Starts up after 3 mins.
• Low hum of vertical lines. (extract of circuit diagram attached)
• Vertical line.
• RP11 blows.
• No start-up. (+ extract of circuit diagram) (service info for NETWORK -TLG2191)
• PSU inoperative.
• Poor vertical synchronisation. Picture shifted vertically. at top. (with circuit diagram extract)
• Reduced vertical size.
• Shade appears behind the picture.
• Horizontal stripe (intermittently).
• Wide dark stripes on left side of picture.
• Negative picture. Distorted picture. OK via SCART .
• Both vertical and horizontal synchronization instability.
• Poor picture alignment.
• Blank screen.
• On start up, black interference lines appear then the screen is white.
• TP32 (BU508) and TL37 (BU508) fail immediately after switch on. (part of circuit diagram displayed)
• No light and the appliance cuts out.
• Coloured tinge in picture.
• Horizontal deflection is missing. Protective circuit disconnects. Standby point flashes.
• Cannot be switched on or switched to standby. Standby indicator does not light up.
• Unstable lines and there is an interference line at the base of TP32.
• Line stage does not start up.
• Standby light flashes, fuse blows. RP11 and TP32, BU508 fails.
• Picture is dark or partially ther. (TLG2191 tips)
• No start-up. No display.
• Poor line synchronisation. Picture is shifted up. (with circuit diagram extract)
• Vertical amplitude is too low.
• No display. TV functions well. Channel change over ok.
• Fuse blows as soon as degaussing is connected.
• Searches for channels continuously.
• When warm flickers between picture and TXT. Characters keep popping up on screen
• Switches to protection mode.
• No picture on channel 99.
• No start up. PSU blocked.
• RP23 and transistor (BU508A) have blown.
• Interference lines in the top part of the screen.
• Appliance does not function with the mains switch then starts up again with another button.
• No videotext mode.
• Picture predominantly red in SECAM. Ok in PAL via scart.
• No switch on. Standby power supply ok. Standby indicator lights up. (NETWORK - TLG2191 information)
• S/C in PSU. (+ extract of circuit diagram) (TLG2191 tip from NETWORK)
• Standby LED flashes.
• Faint blue picture with no picture content and flyback lines. (+ extract of circuit diagram) (service info for NETWORK -TLG2191)
• 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.
• BU807 (TL54) cuts out.
• When appliance is switched on mains BU fails immediately. (NETWORK - TLG2191 information)
• No start-up. Display OK .
• U7 = 15V and there is no 12V voltage. A black band appears on the screen.
• No colour, picture streaking.
• Fails frequently when operating.
• No reception. via tuner.
• No picture. Sound and display are OK.
• No channel search.
• Channels from 21 to 32 come through well but with lines and nothing comes through from 41 to 53. (TLG2191 tip from NETWORK)
• No picture or sound. At switch on display indicates a channel but no control is possible.
• Hesitant start up. Mains button must be pressed several times. If appliance runs, fails again most of the time after a few mins.
• Crackling in sound and picture in UHF and VHF. No sound via scart.
• Switches to protection mode. after start-up. (extract of circuit diagram attached)
• Switches to standby (intermittently).
• Vertical line. in the centre.
• White, bright picture, picture poorly distinguishable.
• There are 1300V present instead of 900V peak to peak on the collector of the TL37 (BU508ATB). This breaks after some time. (TLG2191 tips)
• Power supply fault. TP37 and TP32 have a short circuit and occasionally TP38.
• Fuse blows at random, even at switch off.
• The power supply is correct without a load (U1 is up). There is a complete stop in the load.
• Dark picture.
• No 300V at collector of TP32. If collector is disconnected 300V appear.
• TP32 (BU508) becomes defective after appliance turned ON/OFF several times. (extract of circuit diagram attached)
• Vertical picture position shifts intermittently upwards approx 2 cm after switch on. It is OK after approx 10 mins.
• No horizontal deflection. intermittently.
• Switches to standby after 6 or 7 minutes with or without aerial signal.
• No horizontal deflection.
• No colour (intermittently). Line tearing.
• The appliance crackles during low Gamme UHF.
• TL54/TP32 are destroyed.
• 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.
• E/W fault.
• No picture, no sound and programme display does not light up.
• After changing the battery, how do you adjust the channels without remote control IR?
• PSU does not start up with a mains voltage more than 200V, ok with a voltage less than or equal to 200V. (TLG2191 tips)
• No vertical synchronisation.
• Too much contrast, cannot be adjusted to less. (picture attached)
• Picture appears slowly. Display OK .
• Low audio.
• Intermittent loss of sync, a blank raster, no sound, switching to standby and the LED channel display going off.
• The picture is blurred (spot at the bottom of the screen). (NETWORK - TLG2191 information)
• Does not start up. Standby LED switches off. (TLG2191 tip from NETWORK)
• No start up or reset.
• The appliance pulsates 3 times then goes to safety mode.
• The power supply is destroyed.
• Display appears after 15 secs, then pulsates on and off (no breaker circuit). (picture attached)
• PAL run time decoder adjustment - PAL decoder.
• Line oscillating or tearing.
• High contrast. (TLG2191 tip from NETWORK)
• Approx one third of the top of the picture is crushed.
• PSU repair tip.
• Replacement kit of thyristor ESM740/G1/G2.
• The fuse blows because RP02 heats up.
• Picture is dark. When Ug2 is completely there, a bit of the picture is present.
• No scanning. Display ok.
• No brightness. Three RGB colour bands on left and right of the screen.
• The appliance hums and the picture is unstable.
• Line BU (BU508) becomes hot and blows. At base of BU there are double pulses.
• PSU fails after start-up. (NETWORK - TLG2191 information)
• No RC functions.
• No luminance.
• The picture is delayed by a few minutes.
• TL54 (BU807) becomes very hot after a few mins and blows. Normal 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.
• DP51 s/c after operating for half an hour.
• Vertical IC blows repeatedly after a few days.
• Picture flickers and stripes in the picture.
• The colour appears after a few minutes.
• Channels below 30 cannot be received (chassis ICC4).
• Normal in black and white. In chroma, red of picture is green, blue is red and green is blue. (TLG2191 NETWORK repair tip)
• IR receiver does not function.
• Contrast and colour are excessive at preset condition.
• No horizontal or vertical deflection.
• No start function via RC. With mains switch appliance switches into standby. (with circuit diagram extract)
• The luminance signal disappears occasionally.
• Rainbow effect in the centre.
• Can not be switched on from standby via RC.
• Power supply fuse blows. When it has been replaced, TV functions again for several days.
• Picture too small. at start-up.
• After switch on, vertical centering is shifted intermittently upwards approx. 2 cm; it goes to normal position after approx. 10 minutes.
• Image compressed horizontally. Insufficient width approx 1cm on left and right of screen.
• 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 reception. in VHF.
• The PSU fails instantly. When this is replaced by the repair kit the same problem arises.
• Vertical collapse (intermittently).
• No vertical deflection.
• Sound purrs when tuning, picture is correct. Sound is possibly correct but picture disappears. (TLG2191 NETWORK repair tip)
• Standard CCETT adaptation.
• RP02 and power supply BU blow.
• Vertical lines on edge in EE-mode and via AV.
• Very snowy picture in UHF. Apparently the fault is at the level of the tuner UHF 4200.
• RP02 burns at switch on and destroys TP32 S2000A1.
• When switching on BU508A and RP11 fail after 2 secs.
• Picture hum and picture is slightly brighter at the top and bottom. (part of circuit diagram displayed)
• TP29 fails after switch on.
• TL19 fails in line output stage.
• Excessive vertical size.
• Dead.
• Systematic failure of TL54. At switch on TEA2026 has been changed.
• No erasing possible.
• TP32 heats up.
• Horizontal collapse.
• No sensitivity in the tuning.
• Power supply fault.
• In normal charge, TP32 and TP38 switch off. The appliance functions without a charge.
• No function display. CTV functions via the front panel and the RCU.
• No search possible. TV switches off without the 10th, 20th and 30th channel.
• Tuning voltage drifts.
• No system adjustment.
• No start-up (intermittently). (extract of circuit diagram attached)
• Coloured flyback lines and poor picture.
• Power supply defective.
• R82 (10R) on the tube base board fails.
• Standby indicator flashes.
• 300V on the collector of TP32. Oscillates at its base but no voltage on the secondary.
• Vertical centre adjustment.
• Vertical lines at edge during EE operation and via AV. (picture attached)
• No picture. No audio. No channel display.
• No command signal on the IL03.
• Deprogrammes approx every 4 to 5 months.
• IL03 (TEA2026) blows up when the appliance goes into AV on TV 42cm.
• Purity spot and scanning are incorrect.
• RL41 O/C due to dry joints below connector BD01.
• The sound and picture hum.
• TP01 (BUT12A) fails after longer operating time
• Vertical deflection has collapsed to a bright line in the middle of the screen.
• Displays PR and does not start
• Adjustment of 5.5MHz min. or 4.43MHz min.
• Phase comparator fault on TV. Ok on secondary.
• No tuning.
• After switching on the mains progamme indication in the display but no picture and no sound. (extract of circuit diagram attached)
• Picture spraying on band I (heat dependent at DP51). (extract of circuit diagram attached)
• Switches off intermittently or does not switch on at all.
• Tripping.
• Crackling in sound and picture in UHF and VHF. No sound in scart.
• Reluctant to start then produces a picture with reduced width.
• Vertical blue bar on centre of screen. No picture.
• No video or scanning. Channels are displayed.
• Noise on channel 09 (band I) - colour picture. (extract of circuit diagram attached)
• S2000 is s/c. Replaced with the original repair set, it still fails. (with circuit diagram extract)
• PSU does not always start after switch on via front control or RC. (TLG2191 NETWORK repair tip)
• No 90V, RP51 burns. BU807, BU508.
• The power supply does not function with load.
• Line instability.
• Sound to zero level. When volume is increased, sound goes back to zero level. Random channel switch-over. (NETWORK - TLG2191 information)
• Noisy sound or no sound at all.
• Poor vertical synchronisation.
• Poor display.
• At start up 90V makes 12V. After 2 mins picture and sound present but 90V reaches a maximum at 85V.
• Top part of the picture is too wide and bottom part is too narrow
• No speacial channels. Appliance works only up to channel 69. Display for brightness shows L (= English mode) instead of B.
• Does not come on from standby, red standby light comes on. TV01 and TV02 in the protective circuit respond.
• Excessive green.
• Horizontal centre adjustment.
• Focus pot is defective. (NETWORK - TLG2191 information)
• Picture appears slowly.
• No colour.Flag-effect.
• No picture. No sound. Programs can also be switched over.
• Distorted picture. Strong streaking.
• TP32 and TP38 have a short circuit.
• Slight hum of vertical bars. (TLG2191 NETWORK repair tip)
• The appliance goes to safety mode and mute. (TLG2191 NETWORK repair tip)
• Loud audio.
• No function, standby point is not visible.
• Setting the vertical amplitude.
• TL19 fails in line ouptut stage.
• Slow start-up.
• Secondary protective circuit TV01 and TV02 disconnects intermittently.
• Poor vertical and horizontal amplitude with slight waving at sides, when cold. Everything returns to normal within 5 mins.
• At start up no line scanning or raster, TV displays PR. After approx 30 mins TV starts up.
• No TXT.
• Vertical bar.
• U Varicap = 20V and will not change.
• Intermittent loss of sync. Blank raster. No audio. No LEDs.
• Fuse blows constantly. (TLG2191 tip from NETWORK)
• Lacks horizontal amplitude. Regulation does not function.
• Horizontal deflection and line oscillator failed. (with circuit diagram extract) (service info for NETWORK -TLG2191)
• Adjusting Us= 108V.
• Unstable luminance when the appliance is warm.
• General information.
• Excessive brightness.
• Bright picture. at top and bottom.
• 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 picture. Fusible resistor RP47 (0R22) in U2 13V-rail blows repeatedly.
• Sound is always at max even if appliance displays volume with 00.
• Only switches on after 70 secs. After start up everything is ok.
• Adjusting the screen grid voltage (grey setting). (TLG2191 tips)
• Black band on one part of the screen and interference.
• The channels unkey after a while.
• No secondary voltage.
• Flyback lines. No brightness. No contrast.
• Contrast average value is too high.
• Power supply, fuses, BUs, etc, blow each time appliance is switched off by ON/OFF switch. (NETWORK - TLG2191 information)
• No start up. can be switched on after some time in standby. Sound OK.
• Volume varies.
• When cold, no sound and no line amplitude then finally starts up.
• The linearity coil whistles.
• No adjustment.
• Ghosting effect. (NETWORK - TLG2191 information)
• Spots of colour on the screen. (NETWORK - TLG2191 information)
• Muted audio.
• The line framing is incorrect.
• Does not start up when cold. Audio , display OK.
• Loss of sync/raster/sound. Display goes off.
• Secondary protective circuits TV01 and TV02 disconnect intermittently.
• The appliance blows up on a very light background.
• No display. Appliance starts.
• Focus adjustment.
• Start up ok. Picture and sound ok. After 15 minutes or more than one hour no picture but son ok. Horizontal white line.
• Poor startup.
• No reception at band I, or image flickering only. (extract of circuit diagram attached)
• Volume uncontrollable.
• No start-up from standby with RC.
• Switches to protection mode. intermittently.
• Switches to standby. after a while.
• The appliance crackles and the picture framing is incorrect.
• The 108V voltage varies (U-system).
• Insufficient picture width, poor lines visible on screen
• Only switches on occasionally, but without picture and sound. Occasionally very high switch on current consumption.
• No brightness (only outlines can be recognised). Colour is ok.
• TP32 in the PSU is s/c.
• Voltages from FBT gradually decrease then line BU S2000 blows after operating for 15 mins.
• Picture is pulled at the top. Poor line sync. (picture attached)
• No colour. No shutdown with RC. (TLG2191 NETWORK repair tip)
• BU807 blows regularly. FBT and TEA2026 have been changed.
• No picture. after a few minutes. Audio OK .
• No picture, no sound - PSU is switched off.
• The picture blows up and the bottom of the screen is bright.
• Picture shifted vertically.
• No image, red raster and flyback lines visible. (part of circuit diagram displayed)
• No functions. (extract of circuit diagram attached)
• Picture flickers slightly from bottom to top. After removing display indication (control unit) picture is ok (less current). (extract of circuit diagram attached) (service info for NETWORK -TLG2191)
• Does not start up. Only displays the channel number. Power supply kit has been replaced.
• Transistor BU508 fails repeatedly.