706402 / OTTOVERSAND [TV]

• Snowy screen as if there is no aerial. Channel display normal.
• Dark screen. Audio OK . (with circuit diagram extract)
• Blocked in AV, functions in scart. No picture, no sound, uniform grey screen. (extract of circuit diagram attached)
• No reception of CCIR high channels. Then receives a cable channel with French standard (display indicates "n1").
• Volume varies. intermittently.
• Channels drift off tune (for ex. K60 = K66, K32 = 28 etc.)
• R531 blown at switch on.
• In VHF, moire on some channels (channel 27). Picture becomes ok with programme/channel switching.
• Front screen.
• For repair works, the set must not switch off 10 minutes after closedown or in case of a station breakdown. This state cannot be stored.
• Horizontal noise on vertical lines on whole raster. B/W picture. Intermittent colour. (706402 tips)
• Switches off by itself. Knock sensitive. (706402 tips)
• White bars and dots on picture when Canal Plus is encrypted. Picture OK in clear.
• White screen.
• Remains in standby when using mains switch. (with circuit diagram extract)
• No AV operation via scart. Tuner operation ok.
• After 10 minutes, does not accept commands from operating panel of RC. (picture attached)
• No picture. No audio. after a while.
• No red. If 3 resistors (1K5) unplugged from tube input and blue one connected on green one then picture is green; if blue one connected on red one then picture is black.
• Snow in picture. Patterns in picture.
• Picture is completely blurred and striations. (part of circuit diagram displayed)
• Line oscillates. (706402 tip from OTTOVERSAND)
• No picture. (extract of circuit diagram attached)
• Vertical picture, vibrating (lines).
• Twangs then rattles. Appliance goes off then comes back on with normal picture but no audio. (+ extract of circuit diagram)
• Switches to standby (after start-up).
• Hum in audio. at low volume. (extract of circuit diagram attached)
• No horizontal synchronisation. No vertical synchronisation. Fault occurs intermittently. .
• No EHT. Display lights up. (part of circuit diagram displayed)
• Clicking in the speaker when switching off with the on/off switch. (part of circuit diagram displayed)
• Flickering picture. after a while.
• No or poor reception of high channels when connecting to a cable TV system.
• No HV. Display OK . (picture attached)
• Afterglow at switch off. (extract of circuit diagram attached) (706402 tip from OTTOVERSAND)
• Entry of mean values (brightness, contrast etc.).
• RC IR DATA PROGRAMMER IDP1 or IDP2: automatic programming mode "HP".
• Programming a set using the programmer HTP89.
• No reception.
• No tuning. Only one channel appears, otherwise only snow.
• Dead.
• Dark picture. intermittently.
• Switches automatically to program site AV instead of program site 1 after switch on.
• No red. Faded picture when pot G2 or focus pressed. Convergence fault. Signals between input and output on picture tube socket are ok.
• PSU pumps at switch on for a few mins. Display flashes. TV functions when warm.
• Bad noise and altered HT signal. (part of circuit diagram displayed)
• White flyback lines appear in the top part of the screen. (picture attached)
• Line transistor BU508D heats up and blows in standby. (part of circuit diagram displayed)
• No reaction from adjustment coil L511.
• The colour output stage ICs fail repeatedly.
• No picture (thermal tube noise) and no sound after a storm but channel nos are displayed. (with circuit diagram extract)
• Horizontal and vertical instability.
• Loud crackling at switch off.
• Logo displayed for a short time when changing channels, display is constant, display fault.
• No audio. (extract of circuit diagram attached) (706402 tips)
• Crackling audio.
• No or poor synchronisation.
• Digital adjustment of the line frequency and the line phase in multistandard and on appliances converted to multistandard. (service info for OTTOVERSAND -706402)
• Procedure to reduce tube afterglow point.
• Channel indication does not match channel. Channels appear as if they have been shuffled.
• No function - no memory. If you input channel directly and then store the function with "M" then all settings disappear. Sound is very loud. (+ extract of circuit diagram)
• Does not go to standby position despite correct indication in display. (+ extract of circuit diagram) (706402 tip from OTTOVERSAND)
• Station name - (station contraction -) OSD: without/a short time after each programme change/permanent.
• Sound mutes intermittently or channels switch over spontaneously.
• Reduced vertical and horizontal size.
• Volume will not decrease. (extract of circuit diagram attached) (706402 tips)
• Bright portions are blurred on scenes with strong contrast. Loud crackling at switch off.
• To make flashing disappear while switching over channel when programming from 1 to 9.
• Green colour is missing.
• TXT VT5305TF on mono chassis: change of TP621 for TP661 with its TXT control panel.
• Switches to protection mode (intermittently). Display OK . (extract of circuit diagram attached)
• Dead in RF. OK via scart. (706402 OTTOVERSAND repair tip)
• Intermittent interruption of picture and sound. Functions ok in scart. (picture attached)
• IC790 (TEA5101A) is inoperative. (706402 tips)
• Poor synchronisation. OK when timing is on and via scart.
• Jagged picture.
• Changing channel raster for multistandard TVs or TVs modified to L-standard which have to be connected to a French cable network system (CCE II channels).
• Loud sound. Bright picture. Adjustment values of the picture and sound cannot be memorized.
• Canal Plus pumps with Syster.
• Dead. Display OK .
• Sound cuts out intermittently or appliance changes channel by itself.
• No functions. No display. (extract of circuit diagram attached)
• Picture approx 5cm too small on all four sides. Grinding noise from horizontal output stage. Picture disappears completely for a short time and reappears. Intermittently green picture content.
• Intermittent audio. (part of circuit diagram displayed)
• No RC functions. (picture attached)
• Procedure to obtain optimum tube heating voltage.
• No sound or picture. The screen is grey and white. Slight noise in the sound.
• Change over from FB30 to FB101.
• Blurry picture. Colour bleeding.
• Line in top third of picture. (extract of circuit diagram attached)
• No picture. No tuning. (+ extract of circuit diagram)
• Sound fails sporadically or switches to "optimum" function, particularly in bright rooms.
• Each time the TV is switched on, it goes into AV. You are forced to increase the channels and the sound is too low, it increases very slowly.
• Sound and brightness adjustments with RC units RP6LCD and RP65LCD.
• No display. PSU chirps.
• No front panel function. RC OK. (706402 tip from OTTOVERSAND)
• Adaptation of band-1 CCIR channel (+6.5MHz sound) of a reception in band 1 of a channel with L standards (-6.5MHz sound carrier).
• Intermittent RC or RC ok after switching off for a rather long period of time. (part of circuit diagram displayed)
• General information.
• Streak on video (almost inverted), faded picture even in fast switching.
• No audio (intermittently). (part of circuit diagram displayed)
• Switches to standby, in spite of correct display.
• Sound turns up and down at times.
• Changes channel by itself. Volume varies. (extract of circuit diagram attached)
• After tuning a channel, when pressing M button to store, tuning is lost and screen turns grainy.
• Volume and brightness control with RC units RP6LCD and RP65LCD.
• Sound adjustment varies at low volume. (+ extract of circuit diagram)
• Reduced vertical size. Coloured lines. at top.
• Sound cuts out occasionally or the appliance changes channel by itself.
• No 25V with deflector disconnected. Secondary voltages ok. (+ extract of circuit diagram)
• Picture just rustles.
• Switching off the two-digit programme sites (10-29, 10-49, 10-99 depending on the individual set). Switchover using the numeric buttons will therefore become quicker. Two-digit programme sites can still be chosen with rocker switch.
• After some time crackling in sound for a few secs then sound ok and begins to crackle again. (extract of circuit diagram attached)
• Switches to standby (intermittently). (picture attached)
• Goes to standby occasionally (sometimes twice in one hour or once in one month).
• Green picture.
• IC811 does not function correctly. (+ extract of circuit diagram)
• Stuck on a channel.
• When cold frizzy picture on vertical lines and insufficient width. (picture attached)
• Flashover with horizontal indentation and picture shrinks vertically. (part of circuit diagram displayed)
• Colour output stage ICs fail repeatedly.
• Does not respond to standby key on RC. All other commands are OK.
• No brightness or brightness flickering after warming up.
• Channels 1 to 9 are ok. Impossible to have the other channels since after 9 you go right back to channel 1.
• No audio. Picture OK .
• No picture or picture amplitude is too reduced and can not be adjusted.
• Horizontal white line. in the centre.
• Transistor T644/BUZ90A fails immediately at switch on. (+ extract of circuit diagram)
• 80% snow on screen.
• In a cable system appliance should receive a French band I channel (audio carrier -6.5MHz), which is converted into a CCIR Band I channel (audio carrier +6.5MHz).
• No reception on any channel. Memory not operating.
• Buzz in audio.
• TV blocked in standard 0 (low range).
• Unable to store colour settings.
• Single digit channel display from 1-9. (service info for OTTOVERSAND -706402)
• No audio. OK via SCART .
• Front screen.
• Input of averages at memory loss of analogue values. (service info for OTTOVERSAND -706402)
• Very fine black lines over the picture. Very slight motor boating noise in the sound.
• Black screen.
• Reduced vertical size (when cold). (part of circuit diagram displayed)
• Vertical lines at the left edge of the picture in position "AV".
• No reception of the CCIR high channels.
• Blue screen. Flyback lines. (706402 OTTOVERSAND repair tip)
• Remains in PAL.
• Numerical adjustment of phase and line frequency on multistandard and modified models.
• When switching channels the "momentary" channel display remains on.
• Transistor T572 is destroyed over and over. Either at switch over to another program, or after longer run length.
• Blank grey raster in tuner and external positions.
• No picture. Audio OK . (+ extract of circuit diagram)
• Start up in "AV", (1AV).
• Brightness varies.
• No picture. via tuner. (706402 OTTOVERSAND repair tip)
• Switches over by itself. Volume varies. (extract of circuit diagram attached)
• Screen becomes dark for approx 1-4 hours after going into SERVICE mode. (706402 tip from OTTOVERSAND)
• Does not switch to standby. intermittently.
• functions only from program 1-9. Switches on with AV. Special channels shfited. (service info for OTTOVERSAND -706402)
• Volume control is erratic in lower control range.
• Blows fuse. at start-up. (part of circuit diagram displayed)
• Appliance switches off in intervals which are constantly decreasing. After complete discharge the appliance runs for approx 90 mins then switches into standby, after repeated switching on approx 2-3 mins operating time.
• Red colour is missing.
• Green colour bleeding and white lines.
• Slight grey flyback line, picture fading and slightly green.
• Severe picture distortion in IF stage.
• No Teletext or only wrong characters on the screen with certain stations.
• No picture. Grey screen. Brightness and contrast values are reset when ever any storing is attempted. Signal OK through SCART.
• No synchronisation.
• No audio (intermittently). (+ extract of circuit diagram)
• Changing channels or volume goes up by itself. (extract of circuit diagram attached) (706402 OTTOVERSAND repair tip)
• Very dark picture. Only 2 colours, pale blue and green dominance. Picture content horizontally torn and fade.
• Vertical size varies. (extract of circuit diagram attached)
• PSU pulsates.
• No HV.
• TDA4605 and BUZ90A blow after a few days for no apparent reason. (picture attached)
• Black screen without picture. No picture in AV mode either. Sound OK.
• After replacing the microprocessor SDA2023, A002 short circuits it. The TV operates well in scart but not in HF (dark screen). No sound. Only 2 buttons on the control panel function
• Jagged verticals when cold.
• Picture becomes white after a while and then drops out (flyback lines). Intermittently no picture at start-up.
• Setting of automatic standby time is lost after 10 mins without a signal. Function has to be reset after every start up.
• Mixed colours when increasing the contrast.
• Channel names appear continuously or not at all.
• Vertical collapse. White line. in the centre.
• OSD of wake up alarm (yellow box with time of day), although this has not been programmed.
• Line tearing. Vertical size varies. (706402 OTTOVERSAND repair tip)
• Picture is saturated in red with blue colour bleeding when eliminating colour using RC. If screen is red, picture contents are blurred.
• Garbled picture with ringing.
• Intermittently line locking, occasionally with no vertical sync.
• Fastening of line output transformer and focus cables. (706402 OTTOVERSAND repair tip)
• RCU does not function with Teletext.
• Sound is missing or picture is black/white on individual program sites.
• Does not switch to AV. Display present.
• Flyback lines. at top.
• No picture. Audio OK . Arcing.
• When switching channels the "momentary" channel display remains on.
• Sound is intermittent. Sound is available for a short while on pushing volume +.
• Excessive green. Flyback lines.
• Intermittently no sound (once every 2 weeks). OK after pressing Volume Up or Reset. (+ extract of circuit diagram)
• Dark screen.
• Incorrect channel raster or standard. Channels shift.
• Intermittently blue raster, flashing black line then blank raster.
• Dim picture and fading colours.
• White line in top 3\4 of screen. No frame deflection.
• Automatic programming (HP) for dealers with the IR autoprogrammer FZ900G1.
• In PIP to change small picture position in the corners and frame.
• Starts up with "AV".
• Screen is lit and fuzzy, no sound, no keyboard. Display indicates U with a point on the right. (service info for OTTOVERSAND -706402)
• No blue. The collector voltage on T781 is 47V. It increases to the same potential as the other two transistors when the tube support chroma board connector is disconnected. (picture attached)
• No P/C key function.
• Changing over to the differing French cable channel raster.