179LC011 / LOCATEL [TV]

• Line locking and power supply whistles.
• Secondary voltages are low. Tube does not heat up.
• No sound. Poor contact.
• At start up screen changes colour a few times then becomes dark with a weak horizontal line at top of screen. No channel indication.
• Necessary modifications when replacing the line transformer.
• Dark picture. Video synchronization. (179LC011 tip from LOCATEL)
• Fuse blows and BU blows occasionally.
• Dark screen. No picture.
• Picture reduced in height, 3-4cm is missing at the top and bottom. One colour is missing, picture is magenta or quite violet. Sound ok. (179LC011 tip from LOCATEL)
• In standby slight whistling. When operating loud whistling which is slightly low pitch.
• Wavy vertical lines and line synchronisation. Noise from the power supply transformer.
• Washed out picture.
• RVB ring on screen. Whistling from transformer.
• Power supply BU blows everything.
• The appliance synchronizes. Nasal sound.
• Washed out picture. No blue.
• The channels tend to drift after some time. Tuner and STK 5481 have already been replaced.
• EHT unstable.
• The power supply slackens after working for a few days: S2055, R1OHM, 5 electrolytics, TEA2019,4 1N4007, C47µF/ 400V have been changed. Breakdown occurs when switching on. (service info for LOCATEL -179LC011)
• Switches to standby. after a few minutes.
• Horizontal stripe.
• Slight horizontal tear of vertical lines and crackling.
• Fuzzy picture and a whistling noise in the power supply.
• CTV works but there are whistling noises. On one line out of two 122V produces 107V. (service info for LOCATEL -179LC011)
• The appliance does not start up. No display or light.
• No picture at start up. Voltages and sound appear. After 20 sec, clicks, tube switches on and picture appears.
• Intermittent audio and picture. Intermittent audio and picture.
• Resistor BOR2 blows even after replacing TEA2019 BOC40 and BOC 32.
• Power supply pulsates. Oscillator TEA2019 has been changed.
• Raster fault; picture shrunken at top, compressed at centre and no picture at the bottom of the screen. (179LC011 LOCATEL repair tip)
• -V power supply on power supply transformer but does not start up. No standby.
• At start up from cold no start up of power supply for LF. Power supply hiccups briefly then works ok.
• Wide picture and correction faults.
• Standby LED flashes occasionally at switch on. Appliance occasionally switches on correctly. PSU crackles in standby.
• Channel loss approx every fortnight. Clicking before loss occurs.
• BU and rectifier blow after 10 secs. Whistling noises in standby.
• Dark picture. Flyback line when G2 is pressed. (LOCATEL - 179LC011 information)
• Dry crackling after operating for 2 hours, nonsensical display and RC does not function. Everything becomes normal after stop.
• Moire effect on picture at start up for approx 5 mins.
• Picture is OK only if background is green.
• No more vertical scanning. The IC and capacitor have been changed but there is no more HI-FI.
• Wrong power supply voltages.
• Standby LED switches off, no channel indication, no video, no tuning, black screen and 10Q2 oscillates. Power supply ok, starts up from control panel.
• Blue screen with red dots, sound disappears occasionally. Shifted lettering on the right of the screen.
• No voltage.
• The picture blows but the sound is correct.
• Light picture. No brightness contrast control.
• Power supply blows at start up.
• Very frizzy line.
• In LF voltage, BU508A blows at switch on. Line and frame deflection is correct.
• Pale picture with slight flyback lines.
• When mains switch is pressed, standby LED lights up then switches off. Display does not function. Voltages ok but no 12V at output of LM317T. (LOCATEL - 179LC011 information)
• Purple picture. Flyback raster.
• Power supply blows after flashover.
• Blue picture. Flyback lines.
• No secondary voltage. Only 300V.
• Dark screen, power supply OK, turns white if you increase the brightness.
• OF2 S/C. T2A blows in PSU.
• BU508 blows constantly.
• TDA8170 blows at switch on, on the frame stage.
• Flyback raster at the top of the screen.
• When a channel is started, resistor (BOR 2) blows after a few secs. (179LC011 tips)
• At switch on correct picture for one or two mins and after completely red screen. Impossible to correct, whereas picture video module seems ok.
• No function. No display, picture or video. (179LC011 tips)
• BOR2 and BU508A (BOT2) fail after 10 secs in standby (hum) if you choose a channel they fail immediately.
• No start-up. Whistling. No display.
• Switches on after only 20 secs. 150V ok.
• Following a raster fault, change of the raster IC TDA8170. TV works again once connected, if you disconnect it the IC fails again.
• Dark screen. Correct scanning 70V on OC 124.
• 10cm of the picture is missing at the bottom of the screen.
• 2055 blows and is repeated.
• No picture or sound in HF or scart. Power supply ok, FBT ok. (service info for LOCATEL -179LC011)
• Fuzzy picture.
• The picture has come out of frame.
• Hiss in standby.
• Black screen with B.F. making a blowing noise.
• BOR2 and BOT2 have been changed but blow again after some time.
• Light picture. Light cannot be adjusted.
• Disagreeable noise of the power supply with venetian blind effect on the screen and slight undulation of the verticals. Otherwise TV functions.
• Power supply fault.
• Dark screen.
• Washed out picture. No red.
• Washed out colours but red is dominant.
• Wavy lines on picture and whistling of sound power supply.
• No line scanning. Vertical line is apparent, deflector appears to be ok.
• Dark screen. Correct scanning. Battery B.F.
• PSU correct but no line transformer. No base command of the line transistor. No 12V on the P24 of the TDA8185, 16V on the input of the LM317.
• Black picture. Red streaks. (179LC011 tip from LOCATEL)
• Modifications to be carried out when power supply transformer replaced.
• Black and white picture with an 8mm Pal camcorder via scart as via the aerial. (service info for LOCATEL -179LC011)
• Power supply blows and this recurs after several days. All +S2000 +TEA2019 electrolytics have been replaced.
• Line spacing on picture. Black lines every 2 horizontal lines.
• No start up. No standby on front panel.
• There is a blowing noise on the screen.
• White screen. at start-up. OK after a while .
• Bu (S2055A) is defective.
• No RC functions.
• Picture tears into lines.
• Starts up then goes into standby. Standby voltage ok, line osc ok.
• In standby the voltage is very high. No 12V and when operating adjusting the power supply voltage is impossible.
• Negative picture. OK via SCART .
• After replacing TEA2019 and S2055AF fuse BOR2 1ohm does not hold therefore no start up.
• No tuning. PCD8572, SAB303, tuner have been changed. Varicap voltage incorrect, 33V zener ok. 12V present. Voltage on pin 8 of the tuner is not conformable.
• Black screen. 70V on OC124.
• After a power supply breakdown find out the exact voltage on the secondary diodes and on BOD22.
• Picture patterning and venetian blind effect: Horizontal black stripes, 1 cm high.
• In standby resistor BOR2 blows. Capacitors, TEA2019, S2000A3 have been changed.
• Green screen with flyback line. TEA 5031D has been changed.
• Line transformer whistling.
• Black screen. The power supply tries to start up but does not succeed.
• When TV is cold, power supply pulsates for 30 secs then starts up normally.
• Very noisy power supply (whistling).
• Horizontal white streak. Power supply collapses.
• Insufficient horizontal amplitude and impossible to adjust E/W.
• Intermittently goes to standby. Standby disappears occasionally.
• Line transformer whistles.
• Stripes on picture. Power supply whistling.
• On-line fuzzy outline of objects.
• Black screen. Power supply is correct.
• No sound, no picture and no standby at switch on. Intermittent fault.
• Power supply makes an unpleasant noise with Venetian blind effect on the screen and verticals are slightly wavy. Otherwise the TV functions.
• S2000 and power supply IC blow after they have been changed. Functions for 20 seconds, makes a whistling noise and there is a vertical white bar on the screen.
• BU508A at supply BF OT102 blows at switch on.
• Sound drift. Intermittent picture.
• Fuse resistor BOR2 (1R) blown.
• S2000 of power supply in S/C after 5 minutes of function.
• Vertical foldover at top.
• Severe crackling of power supply transformer in standby and when ON.
• No start-up. Standby LED does not light.
• Modification to avoid PSU blowing after operating for some time.
• No start up. TEA2019, S2000, photo, 1 capacitor have been changed. TV works well but after a few days S2000 and the 1ohm resistor blow at start up.
• White picture with flyback rasters, video IC TEA5031D has been replaced. When TV is started up, noise can be heard at approx 500 Hz and 4 secs after, the sound appears. (179LC011 LOCATEL repair tip)
• Black screen. Audio OK .
• No start-up. (service info for LOCATEL -179LC011)
• Line tearing at the centre of the picture with foldover.
• Black and white picture in PAL.
• No more green scanning. IC TDA8170 is defective. IC is again defective after 1 week.
• The appliance does not start up. The power supply pulsates.
• Slow start-up.
• The sound shifts in L/L.
• Sound increases by itself and display shows 88 or switches off.
• Sound and picture lock.
• 33V varicap voltage blocked.
• Power supply BU and fuse blow for no apparent reason approx every week. When BU and fuse replaced TV works ok.
• The picture skips about.
• Yellow picture: no video signal at the output.
• Fine lines on screen. Same fault via scart.
• Whistling in the power supply after changing S2055 TDA2019.
• Line transformer OK. No display or sound. When you push the G2 you notice a flyback line like there is with a video fault.
• No functions after a few secs. Works ok after switch off.
• No audio.
• Pink tint in picture. Insufficient green colour.
• Raster synchronisation fault.
• Dark screen but line transformer, no raster on pin 22 of the TDA8185, after some time power supply trips even with a lamp 75W pin 6 line transformer in the line transformer place. In this case no display.
• Display flashes randomly.
• LM317 blown at start up.
• Reduced picture and correction faults.
• Dark picture with green streaks.
• TV functions for 10 secs and the power supply transformer blows with the fuse.
• White screen.
• Reduced horizontal size. (179LC011 tip from LOCATEL)
• Sync IC (TDA8185) collapses after 2 days.
• Dark picture with blue streaks.
• When cold you cannot change channel and the display flashes slightly then everything returns to normal after a few minutes.
• Dark screen. Correct scanning but no 12V BF. (179LC011 tips)
• Dark screen and no display. If you push G2 flyback line visible, standby light stays on.
• Correct picture. B.F. whistling.
• Normal screen for a few seconds then fails. Dark screen with occasional red flyback lines.
• White line.
• No display, no standby. Clicking of power supply. When FBT is unsoldered noise remains and when power supply transformer is unsoldered noise disappears.
• Whistling in standby. Action on one channel, whistling returns. At the start, horizontal line appears then snowy screen with vertical scrolling.
• Dark picture. The brightness contrast does not work very much.
• Display is ok. Sound ok. Power supply ok. Horizontal line. No vertical scanning. New TDA8170. New TDA8185. Apparently everything is ok.
• White screen with flyback lines. Irregular thermal tube noise in the speaker. 210V pumps then disappears.
• Horizontal line of 23cm in the middle of screen at start-up. Sound OK.
• Dark screen and the scanning LED lights up. (LOCATEL - 179LC011 information)
• Line reduction and foldover in centre of screen.
• Picture too big.
• Remains blocked in standby. B5T202 S2055A is defective. If you change it the fault persists.
• Excessive horizontal size.
• Fuse resistor BOR2 (1R) heats up and turns red. Start up OK..
• Stuck in standby. No LED lit.
• Line transformer changed and present. Standby light on. No display. No function. Does not react to control panel or RCU.
• Fault in the power supply. BOT2 is defective.
• No TV sound on the scart.
• FBT replaced and defective again. FBT makes a whistling noise when cold and whistles slightly when warm. (179LC011 tip from LOCATEL)
• Streaks in picture. at bottom.
• No contrast.
• Power supply collapses. Starts up from time to time. (179LC011 LOCATEL repair tip)
• White, grainy streak on upper picture third.
• Fuse 2A has melted, diodes BOD2 and BOD8 (1N4007) blow continuously.
• Vertical foldover at bottom.
• The appliance does not start up. No 12V.
• The power supply will not start up.
• No audio. via SCART.
• Predominant red even when the colour is set to zero.
• Wavy lines on picture. (LOCATEL - 179LC011 information)
• Resistor BOR6 does not hold: it blows.
• Power supply failure. Decoupling transistor S2000A fails when appliance starts up.
• Raster synchronisation fault and line.
• Dark screen but when you disconnect the wire from the E/W scanning, there is a vertical line in the middle of screen.
• Remains in standby. Switch on ok.
• Veiled picture. Screen turns green for a short time. No action on BP02.
• Loss of memory every 5 to 6 months.
• Picture saturation problem as if G2 is defective. The colours run and G2 adjustment reacts a little. The same problem occurs if the FBT is changed.
• BU blows at start up.
• No colour.
• Dark screen but scanning is correct.
• The appliance does not start up. Freak display.
• On the screen no line amplitude and grey picture with flyback line.
• Trips.
• No start up, remains in standby. LM317 OK, line transformer OK.
• At start up, bridge diode power supply fuse is s/c. S2000 and safety resistor BOR2 defective. Power supply begins to pulsate. S2055 OK.
• Dark screen. The DEL (electro luminance diode) switches off with scanning. (service info for LOCATEL -179LC011)
• No AV switching.
• Whistles at start up. Picture oscillation.
• Dead. (179LC011 tips)
• No brightness.
• TV switches on but there is no picture. The screen remains snowy and there is no sound.
• The appliance does not start up again when warm. No red light on. The battery then the transistor BOT2 and the IC BOIC2 cracks as well as the R fuse BOR2.
• In scart or aerial, small red bars appear briefly and disappear in picture. Fault does not happen in normal TV.
• PSU whistles.
• Dark screen and no 23V.
• Dark screen. Vertical line. Audio OK .
• Power supply pulsates when warm.
• The appliance crackles in standby.
• Green picture. Flyback lines.
• Power supply whistles in standby.
• Picture is red then green. Change colours by itself.
• Memory erases every 15 days, preceded by an increase in sound volume after approx 3 hours.
• All the voltages are low.
• No green.
• Erratic messages on display at start-up. High interference noise.
• Dark screen. No 12V on Pin 24 of B4IC2.
• Red picture. Flyback lines.
• S2000 has already been changed. Appliance does not start up.
• Vertical fault.
• Channels do not match, ie, to obtain a channel on station 33, station 24 has to be selected. Otherwise it works normally.