348903 / OTTOVERSAND [TV]

• During playback via AV-Scart (various recorders and cassettes), wide stripes in the top part of the picture, shifts and distorts.
• No picture (intermittently). No TXT (intermittently).
• EHT collapses.
• Switches to standby after 10 mins. Slight hum. Normal switch on after 4 mins, operates for 10 mins etc.
• Change in PSU.
• CRT board.
• No sound via aerial. Sound ticking when Vol+/- are pressed. OK via AV.
• Horizontal line. (+ extract of circuit diagram)
• Excessive horizontal size.
• No functions. PSU attempts to start rhythmically.
• No tuner reception. Noisy picture.
• No or intermittent start-up.
• Repeated fail of line transistor T661.
• Sometimes appliance goes to standby after switching on with the mains switch.
• Vertical fault or no picture (blanking) with TDA8170 or TDA8172.
• Cycles on/off. Picture OK . (service info for OTTOVERSAND -348903)
• When using a scart cable the video text or remote control do not function.
• IF plug-in modules 29504-102.04/.05 and 29504-102.07
• Shuts down. (extract of circuit diagram attached) (348903 tip from OTTOVERSAND)
• The picture width control fails, therefore an east/west fault occurs. (picture attached)
• Mechanical chirping. (+ extract of circuit diagram)
• Flyback lines on upper picture edge or blank picture with RGB lines.
• Vertically too small, vertical adjustment is influenced by E/W potentiometers.
• Grey picture with flyback lines, no sound.
• Poor focus.
• No start-up from standby with RC.
• No vertical deflection.
• S-shaped distortion in dark parts of picture. (part of circuit diagram displayed)
• PSU does not start correctly. (+ extract of circuit diagram)
• Trips. (extract of circuit diagram attached)
• Loss of colours. Light and dark picture with flyback lines.
• White picture with flyback lines. No sound. Error occurs immediately after start-up or after approx 1 hour.
• Loud audio. Volume uncontrollable.
• BUT fails repeatedly.
• Switches off, display continues to operate, small vertical line/dot on screen. (extract of circuit diagram attached)
• Program 1 to 9 and AV work fine, but higher programs do not appear in the display.
• Dead. Display OK .
• Display indicates 1 and 00 after switch on with mains switch. Sometimes no picture or sound. (service info for OTTOVERSAND -348903)
• IC U6202B in tuner always fails.
• No operation.
• T661 and fuse 624 fail. No short circuit can be measured. Start up operation is ok. Line mains transformer has already been replaced. (part of circuit diagram displayed)
• No audio. intermittently.
• White screen. Flyback lines. No audio. after warm-up.
• Goes into black and white at each start of sequence when using a camcorder or a VCR. (348903 tip from OTTOVERSAND)
• Twittering from the speakers in stand by. (picture attached)
• Switches to standby.
• No picture. Flyback lines. (with circuit diagram extract)
• No function. Hiccups only.
• No functions. after a while. No HV. (part of circuit diagram displayed) (348903 tip from OTTOVERSAND)
• White screen. Flyback lines. Fault occurs intermittently. . (+ extract of circuit diagram)
• Picture fails intermittently. Unsynchronised figures on black screen. Sound OK.
• No colour after Teletext has been used.
• No start-up (intermittently). (extract of circuit diagram attached)
• Faults occasionally occur on the focus spark bridge, due to flash over the picture occasionally goes dark, switches off and skips to TXT.
• Does not start up. Only channel number on display.
• Hum of sound and picture intermittently. Microphonic effect from the tuner.
• No synchronisation.
• Horizontal jitter. Vertical jitter.
• A 10cm high cross appears in the middle. No picture content. (picture attached) (OTTOVERSAND - 348903 information)
• No start-up. No display. (part of circuit diagram displayed)
• No TF1, A2 or FR3 but Canal Plus, Arté and M6 are properly tuned in.
• E/W fault. Focus problems.
• Poor adjustment of E/W and picture width. (picture attached)
• No start up of PSU with normal output voltage. Start up OK with R637 at minimum. (with circuit diagram extract)
• No functions. (picture attached)
• Noise in audio when cold. When is warmer, noise diminuates.
• Dark screen (intermittently). Audio OK . (+ extract of circuit diagram)
• Line BU often fails. No function.
• Faulty switching transistor.
• No STEREO. intermittently.
• Colour spots during TXT.
• Does not start or only unwillingly, accompanied by noises in the line power supply. Standby mode perfect. (with circuit diagram extract)
• Comes on for a short time. (348903 tip from OTTOVERSAND)
• Difficoult startup. Starts up well if mains switch is hold pressed for a longer time.
• Line tearing. on upper half screen.
• Horizontal white line. in the centre. (+ extract of circuit diagram)
• Program sites higher than 9 are blocked.
• Loss of picture/sound due to incoming signal.
• Switches to standby (after a while). (part of circuit diagram displayed)
• Attempts to start up. Knocking is audible in loud speaker.
• Fuse SI624 and T661 blow at switch on. (with circuit diagram extract)
• No picture after operating for some time. Channel display is present. No sound. Approx. 10cm large cross in the middle of the picture. It runs again after it has been switched off for several hours.
• After switching on the appliance high voltage is built up over a short time then appliance fails again. (+ extract of circuit diagram)
• Intermittent switching to AV.
• After approx 15 mins flyback lines with no picture content and then goes to standby. Appliance is switched off and after approx 5 mins switches on again then ok. After approx 15 mins same thing happens again.
• Vertical line. Whistling. after a while.
• No function. No operating- or high voltage after operating for some time. (+ extract of circuit diagram)
• After approx 30 mins appliance switches into standby mode.
• No picture. High voltage present. Picture tube heating works. (part of circuit diagram displayed)
• Blows fuse. (picture attached)
• Switches to standby after approx 15 mins. Can only be switched on again after 3 mins. (with circuit diagram extract)
• Switches to standby, especially if cold. Sometimes it runs for hours. (extract of circuit diagram attached)
• Colour fault.
• Bright vertical stripes in the picture.
• The line output stage is u.s., all the power supply unit voltage is present. (The line output transistor have been changed due to s/c.)
• PSU starts up but pulsates loudly.
• After switching on the appliance it switches off immediately, without the aerial signal the appliance does not switch off.
• No sound. Ticking from loadspeaker.
• T521 overheats quickly.
• Picture shifted to the left.
• Two keys need to be pressed when selecting a programm.
• No picture. OK via SCART .
• Slashed picture. (extract of circuit diagram attached)
• Grey screen. Flyback lines. (+ extract of circuit diagram)
• Switches to standby (intermittently).
• Transistor BUT12A is S/C.
• Switches off after 15 mins. if switched on via power switch. If it is switched on again after a while, it functions for several mins.
• The colour and picture sometimes partially disappear during increased brightness.
• Power supply transistor T661 is S/C. (picture attached)
• No sound. Channel appears on dual channel
• No picture. after a few seconds. Audio OK .
• Picture and sound are ok, if appliance is operated with the mains key. If switched off with the RC, picture and sound disappear but display remains on. Can no longer be started with the RC but with the mains switch. (+ extract of circuit diagram)
• Pincushion distortion. (OTTOVERSAND - 348903 information)
• Line scanning transistor T521 blows. (extract of circuit diagram attached) (service info for OTTOVERSAND -348903)
• No raster. after warm-up. Horizontal white line. in the centre.
• Picture twitches.
• Shuts down. intermittently. No start-up. (with circuit diagram extract)
• Switches to standby after 20 mins. (OTTOVERSAND - 348903 information)
• Power supply doesn't start. Light ticking.
• Appliance will not memorize again. Incorrect control functions.
• Distorted picture during tuner operation. ok during AV.
• Goes into standby after ten minutes. No sound and pictures when restarting. Deflection functions after few a minutes then stops.
• Vertical shadings on the right side of the picture, clearly visible during dark picture content.
• Does not start up using mains switch. It switches to standby.
• Rhythmic cracking noise from speaker when operating and in Stand by. Stereo indication switches on and off by itself.
• Lateral "notches" of the picture and line tearing in some zones of the picture. (with circuit diagram extract)
• Sound noisy during stereo.
• Switches off by itself (after start-up).
• No start-up from standby.
• Horizontal and vertical jitter, it depends on picture content.
• No E/W correction.
• Dead. Appliance ticks and functions only after approx. 20 mins.
• No picture. No audio. No display. (+ extract of circuit diagram)
• After repairing PSU, works for about 20/30 mins then goes into standby. (part of circuit diagram displayed)
• Vertical fault.
• No mono. No STEREO.
• No programme locations greater than 9.
• No start up. PSU locked.
• No picture. Only cross approx. 10cm high in middle of picture. (with circuit diagram extract) (348903 tips)
• Modifications to be carried out in the PSU.
• Value of R663 and R666.
• Appliance starts, but CRT socket sparks. (OTTOVERSAND - 348903 information)
• No tuning. (part of circuit diagram displayed)
• No audio. No picture. PR1 on display.
• Picture disappears after some time. No sound. Program display ok. A cross which is approx. 10cm high appears in the middle. Everything ok if appliance is switched off for several hours. (+ extract of circuit diagram)
• Erratic start-up. (with circuit diagram extract) (348903 OTTOVERSAND repair tip)
• White picture with flyback line after approx 5 mins. No sound.
• PSU pulsates.
• No deflection. Programme display is available.
• Rolling picture or loss of picture. Intermittent switching to TXT.
• No start up by the On/off switch. Starts up by the RC.
• No picture when switched on with mains switch. Display is OK.
• Primary power supply dead, only approx. 315V dc. voltage at T661 (ON4314). (with circuit diagram extract)
• Due to flashover on the focus-spark bridge fault occurs occasionally. Occasionally picture turns dark, switches off, jumps to teletext.
• Light flyback lines when cold. Switches off after some time, also when there are no flyback lines.
• Deflection module repeatedly failure. (service info for OTTOVERSAND -348903)
• RC in continuous function (TP650).
• BUT76A and fuse 800mA fail after approx 3 weeks. Intermittent loss of picture and sound. (picture attached)
• No picture, only snow.
• Coloured spots.
• Intermittent doule image. Verticals are frayed
• High voltage flashovers in the CRT neck. Picture is too small. (extract of circuit diagram attached) (348903 tip from OTTOVERSAND)
• The top of the picture is misshaped (when rising the raster amplitudes).
• White picture after 15 mins.
• Green picture with flyback lines at switch on. Switches off then and immediately on. Sound is present.
• Stuck in standby. (picture attached)
• Distorted audio.
• Value of capacitor C521.
• Low audio.
• No function. Low chirping in transformer TR665.
• No picture. No audio. after a while.
• Picture is distorted for a few secs. Line tearing and lateral notches. (extract of circuit diagram attached) (348903 tip from OTTOVERSAND)
• Reduced vertical size.
• Hiss in standby.
• Unstable picture at top. Power limiter of TDA 3640/IC 655 switches on in top part with bright picture content.
• No picture. Audio OK .
• No picture or sound. Defective display indication. At switch on no high voltage builds up.
• Changes the combination power/line deflection.
• Snow but no picture. Display shows corresponding channel. works ok in scart.
• No picture (after a while).
• After operating for a short time high voltage fails. PSU whistles. Switch appliance off at the mains for 15 mins, appliance functions again. Standby function is ok. Appliance is not temperature sensitive. (picture attached)
• Does not switch to standby.
• Only switches on after activating mains switch several times. (picture attached)
• After approx. 5-10 mins switches to standby. Can be started immediately again with mains switch but not always with RC. (picture attached) (348903 OTTOVERSAND repair tip)
• PSU whistles. (part of circuit diagram displayed)
• No picture. Display OK .
• Blurry picture. No or intermittent picture.
• Flyback lines. when cold. Shuts down. after a while.
• Dark screen.
• S601 defective, black, T661 S/C. If C at ground of T521 components remain intact (appliance in standby). (part of circuit diagram displayed)
• After short operating time it turns itself off. Image becomes for a short while bright. Visible flyback lines. Display operating.
• Incorrect vertical linearity. Picture is pinched at the bottom and elongated at the top. (service info for OTTOVERSAND -348903)
• Flyback lines (after start-up).
• Colour disappears locally when brightness/contrast is high. Picture is distorted.
• Sound interference on at least on channel. Cannot be started with RC
• When using a descrambler does not process video-in and video-out signal on euro AV bus.
• No picture. No sound. Programs can only be adjusted on high channel 21. (348903 OTTOVERSAND repair tip)
• Switches off after a short operating time. Display remains on screen. (+ extract of circuit diagram)
• No HV.
• Wavy lines from top to bottom on left side of picture when picture is dark.
• In Secam mode colour fails occasionally. (OTTOVERSAND - 348903 information)
• Netzteiltransistor T661 hat Kurzschluss. (with circuit diagram extract)
• No picture or sound. Only high channel S21 on all program sites.
• No channel reception although channel indication present. (OTTOVERSAND - 348903 information)
• Distorted picture (after a few minutes).
• Picture has disappeared after 1 to 2 hours. Sound is still present. If the appliance is switched off and then on again the picture reappears. (348903 tip from OTTOVERSAND)
• During operation picture becomes dark for fractions of a sec and sound fails. Occurs approx every 3-4hrs.
• During operation +C=20V, +M=11V, voltage for IC676 (+B/)=2V. (extract of circuit diagram attached)
• Only sound during stereo programmes, or one channel is missing during dual-channel sound.
• Line tearing ohm some channels when cold. Very strong when AV selected.
• Sound becomes quieter after approx. 1 hrs. and cannot be turned up.
• Approx. 1 cm missing from upper and lower picture edge after start-up in cold condition. E/W error. Picture is slightly blurred. Picture ok after warm up and appliance functions ok.
• Unable to control sound. No sound and encoded picture with Canal Plus.
• Switches intermittently from a program site to AV.
• Switches intermittently to standby. Discharge noises from tripler.
• Switches off. Program display shows 1.
• TDA8140 overheats. (extract of circuit diagram attached)
• No picture. Pumping from the loadspeaker. Point is lit in the display
• Distorted picture.
• Switches off completely after switching on with mains switch. After 2-3 repeated attempts to switch on it runs perfectly for days. Fault occurs only once a week approx. (extract of circuit diagram attached)
• uP blocks after connecting aerial. Display flashes, changes channels or goes into standby. Impossible to control the TV. (+ extract of circuit diagram)
• Tube IC 2930407037../45.
• No function. All voltages are too low. Display ok. (part of circuit diagram displayed)
• HiFi does not work.
• BUT76A shorts. Power supply IC is ok, power supply diodes ok. Capacitor ok.
• Picture and sound fail after some time. Screen is bright, only flyback lines. As a consequence, beam current limiter switches appliance into standby. (part of circuit diagram displayed)
• Blurry picture. when cold.
• No start up. Hiccups. (+ extract of circuit diagram)
• Switches off a few secs after switch on. Picture and sound for a short time at switch on.
• Switches off. Display continues to show programme indication. No control with RC.
• Hiccups. After switching on and off several times hiccupping gets less. Picture appears and sound hums. Picture and sound OK after a while. Snow when connecting cable.
• Picture- and line synchronisation fail. Picture fails horizontally.
• Switches to standby. after a few minutes. (extract of circuit diagram attached)
• Lines in picture.
• Secam display flashes after start-up. No picture, only a weak wide vertical stripe is visible.
• Clouded display. (service info for OTTOVERSAND -348903)
• Switches off after a short time, still only display and sound present. (service info for OTTOVERSAND -348903)
• Irregular display at start up.
• Appliance switches off after approx. half an hour. After short breaking period it starts up again. Then everything is repeated.
• No start up. At start up slight arcing noise in tube holder. Display PR01 lit and black screen. No sound. (+ extract of circuit diagram)
• Switches off 30 secs after start up. Beeps when immediately switched on again. At switch on after approx 2 mins, switches off again after 30 secs. (picture attached)
• E/W fault. (with circuit diagram extract)
• No picture. No audio. OSD OK . (348903 tips)
• Switches. When reducing the load (remove a module or disconnect audio end stage) appliance runs perfectly. (picture attached)
• No audio (via AV). Picture OK . (348903 tips)
• Knock sensitive.
• Picture fails after some time. Still only a 6cm bluish vertical line. (picture attached)
• Occasionally line tearing in a horizontal picture range of approx 20cm wide. The fault disappears when the picture content changes. (picture attached)
• No mono tone. Stereo ok.
• BUT 76 fails repeatedly after operating for some time.
• Diode D671 and R671 blown.
• Power supply BUT and fuse blow at switch on.
• The high voltage rises and switches the appliance off. (extract of circuit diagram attached)
• IC2141, IC2161 and IC811 fail.
• No stereo reception after replacing the tuner.
• Dead.
• BUT76A defective after replacement.
• Intermittent program codes through picture, TXT does not function properly.
• Horizontal picture synchronization fails. Intermittently picture becomes dark and one TXT line is visible. If TXT is switched on and off again, picture OK. Sound OK.
• PSU does not load correctly. PSU produces chirping noises.
• Hardly visible raster with flyback lines at switch on, then goes dark. Sound present.
• Picture narrowed to a line and raster for 5 mins when cold. (part of circuit diagram displayed)
• After approx 15 mins the picture still only shows a bright raster.
• Dark picture.
• Approx. 10cm high white cross is weakly visible in the middle of the picture. (extract of circuit diagram attached)
• Mains transistor BUT 56 fails after some time. (+ extract of circuit diagram)
• Slight noise on switch on. Clicking noise appears when operating the volume control. Stereo sound is ok but mono only hums. (348903 tips)
• No sound, stereo-indication does not light up.