702276 / OTTOVERSAND [TV]

• No display. PSU chirps.
• Intermittently blue raster, flashing black line then blank raster.
• White flyback lines appear in the top part of the screen. (part of circuit diagram displayed)
• Volume control is erratic in lower control range.
• No picture. No tuning. (part of circuit diagram displayed)
• Screen is lit and fuzzy, no sound, no keyboard. Display indicates U with a point on the right.
• Procedure to obtain optimum tube heating voltage.
• Poor synchronisation. OK when timing is on and via scart.
• Switches automatically to program site AV instead of program site 1 after switch on.
• No HV. Display OK . (part of circuit diagram displayed)
• No EHT. Display lights up. (picture attached)
• Picture becomes white after a while and then drops out (flyback lines). Intermittently no picture at start-up.
• Dim picture and fading colours.
• Setting of automatic standby time is lost after 10 mins without a signal. Function has to be reset after every start up.
• Loud crackling at switch off.
• Sound fails sporadically or switches to "optimum" function, particularly in bright rooms.
• Does not switch to standby. intermittently.
• Numerical adjustment of phase and line frequency on multistandard and modified models.
• Reduced vertical size. Coloured lines. at top.
• TDA4605 and BUZ90A blow after a few days for no apparent reason. (+ extract of circuit diagram)
• Sound and brightness adjustments with RC units RP6LCD and RP65LCD.
• White line in top 3\4 of screen. No frame deflection.
• Change over from FB30 to FB101.
• No reception on any channel. Memory not operating.
• Horizontal white line. in the centre.
• No reception of the CCIR high channels.
• No RC functions. (extract of circuit diagram attached) (OTTOVERSAND - 702276 information)
• In VHF, moire on some channels (channel 27). Picture becomes ok with programme/channel switching.
• Brightness varies.
• Entry of mean values (brightness, contrast etc.).
• Red colour is missing.
• Vertical size varies. (part of circuit diagram displayed)
• Blows fuse. at start-up. (picture attached)
• No reception of CCIR high channels. Then receives a cable channel with French standard (display indicates "n1").
• No audio. (+ extract of circuit diagram)
• Dead in RF. OK via scart.
• Input of averages at memory loss of analogue values. (OTTOVERSAND - 702276 information)
• Changing channels or volume goes up by itself. (picture attached)
• Automatic programming (HP) for dealers with the IR autoprogrammer FZ900G1.
• Dead.
• After some time crackling in sound for a few secs then sound ok and begins to crackle again. (+ extract of circuit diagram)
• Twangs then rattles. Appliance goes off then comes back on with normal picture but no audio. (+ extract of circuit diagram)
• No picture. (+ extract of circuit diagram) (702276 OTTOVERSAND repair tip)
• Bad noise and altered HT signal. (with circuit diagram extract)
• No function - no memory. If you input channel directly and then store the function with "M" then all settings disappear. Sound is very loud. (with circuit diagram extract)
• Black screen.
• White screen. (service info for OTTOVERSAND -702276)
• No picture. No audio. after a while.
• No or poor reception of high channels when connecting to a cable TV system.
• No red. Faded picture when pot G2 or focus pressed. Convergence fault. Signals between input and output on picture tube socket are ok.
• Black screen without picture. No picture in AV mode either. Sound OK.
• IC811 does not function correctly. (+ extract of circuit diagram)
• 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 (702276 OTTOVERSAND repair tip)
• No audio (intermittently). (picture attached) (OTTOVERSAND - 702276 information)
• Intermittently line locking, occasionally with no vertical sync.
• Green colour is missing.
• Bright portions are blurred on scenes with strong contrast. Loud crackling at switch off.
• Excessive green. Flyback lines.
• When switching channels the "momentary" channel display remains on.
• Intermittent audio. (+ extract of circuit diagram)
• Sound is missing or picture is black/white on individual program sites.
• Blocked in AV, functions in scart. No picture, no sound, uniform grey screen. (with circuit diagram extract)
• Transistor T572 is destroyed over and over. Either at switch over to another program, or after longer run length.
• 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).
• The colour output stage ICs fail repeatedly.
• No brightness or brightness flickering after warming up.
• When cold frizzy picture on vertical lines and insufficient width. (with circuit diagram extract)
• No picture. Audio OK . Arcing.
• Mixed colours when increasing the contrast.
• Crackling audio.
• Flyback lines. at top.
• TV blocked in standard 0 (low range).
• Reduced vertical and horizontal size.
• No audio (intermittently). (with circuit diagram extract)
• Severe picture distortion in IF stage.
• Flickering picture. after a while.
• Streak on video (almost inverted), faded picture even in fast switching.
• No HV.
• Reduced vertical size (when cold). (with circuit diagram extract)
• OSD of wake up alarm (yellow box with time of day), although this has not been programmed.
• Line transistor BU508D heats up and blows in standby. (+ extract of circuit diagram)
• No picture. via tuner.
• No picture or picture amplitude is too reduced and can not be adjusted. (702276 OTTOVERSAND repair tip)
• Sound mutes intermittently or channels switch over spontaneously.
• Vertical lines at the left edge of the picture in position "AV".
• Dark screen.
• PSU pulsates.
• 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.
• Channels drift off tune (for ex. K60 = K66, K32 = 28 etc.)
• No or poor synchronisation.
• Sound adjustment varies at low volume. (with circuit diagram extract)
• No horizontal synchronisation. No vertical synchronisation. Fault occurs intermittently. .
• Line tearing. Vertical size varies.
• No picture. Grey screen. Brightness and contrast values are reset when ever any storing is attempted. Signal OK through SCART.
• Buzz in audio.
• IC790 (TEA5101A) is inoperative.
• No reaction from adjustment coil L511.
• Sound is intermittent. Sound is available for a short while on pushing volume +.
• No tuning. Only one channel appears, otherwise only snow.
• Remains in PAL.
• Starts up with "AV".
• Green colour bleeding and white lines.
• Clicking in the speaker when switching off with the on/off switch. (part of circuit diagram displayed)
• Afterglow at switch off. (picture attached)
• Sound cuts out occasionally or the appliance changes channel by itself.
• Vertical picture, vibrating (lines).
• White bars and dots on picture when Canal Plus is encrypted. Picture OK in clear.
• Switches to standby, in spite of correct display.
• Start up in "AV", (1AV).
• Canal Plus pumps with Syster.
• 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.
• PSU pumps at switch on for a few mins. Display flashes. TV functions when warm.
• Green picture.
• Garbled picture with ringing.
• No reception.
• Picture just rustles.
• 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).
• Very dark picture. Only 2 colours, pale blue and green dominance. Picture content horizontally torn and fade.
• 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.
• Intermittent interruption of picture and sound. Functions ok in scart. (extract of circuit diagram attached)
• Switches to protection mode (intermittently). Display OK . (part of circuit diagram displayed)
• No picture. Audio OK . (+ extract of circuit diagram)
• Very fine black lines over the picture. Very slight motor boating noise in the sound.
• No AV operation via scart. Tuner operation ok.
• Does not switch to AV. Display present. (service info for OTTOVERSAND -702276)
• General information.
• Intermittent RC or RC ok after switching off for a rather long period of time. (extract of circuit diagram attached)
• R531 blown at switch on.
• Switches to standby (intermittently). (extract of circuit diagram attached) (702276 tips)
• TXT VT5305TF on mono chassis: change of TP621 for TP661 with its TXT control panel.
• Dark screen. Audio OK . (part of circuit diagram displayed)
• Sound turns up and down at times.
• Hum in audio. at low volume. (extract of circuit diagram attached)
• Front screen.
• Switches to standby (after start-up).
• Channel indication does not match channel. Channels appear as if they have been shuffled.
• Station name - (station contraction -) OSD: without/a short time after each programme change/permanent.
• No P/C key function.
• After tuning a channel, when pressing M button to store, tuning is lost and screen turns grainy.
• 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.
• Blue screen. Flyback lines.
• Volume and brightness control with RC units RP6LCD and RP65LCD.
• Dead. Display OK .
• Does not respond to standby key on RC. All other commands are OK.
• Jagged picture.
• Screen becomes dark for approx 1-4 hours after going into SERVICE mode.
• Flashover with horizontal indentation and picture shrinks vertically. (extract of circuit diagram attached) (OTTOVERSAND - 702276 information)
• Volume varies. intermittently. (702276 tips)
• Intermittently no sound (once every 2 weeks). OK after pressing Volume Up or Reset. (+ extract of circuit diagram)
• Sound cuts out intermittently or appliance changes channel by itself.
• Dark picture. intermittently.
• Volume will not decrease. (picture attached)
• Switches off by itself. Knock sensitive.
• Channels 1 to 9 are ok. Impossible to have the other channels since after 9 you go right back to channel 1.
• Incorrect channel raster or standard. Channels shift.
• Switches over by itself. Volume varies. (part of circuit diagram displayed)
• Slight grey flyback line, picture fading and slightly green.
• Changing over to the differing French cable channel raster.
• Programming a set using the programmer HTP89.
• RC IR DATA PROGRAMMER IDP1 or IDP2: automatic programming mode "HP".
• No functions. No display. (with circuit diagram extract)
• Loud sound. Bright picture. Adjustment values of the picture and sound cannot be memorized.
• Line oscillates.
• No audio. Picture OK .
• Changes channel by itself. Volume varies. (+ extract of circuit diagram)
• Front screen.
• Does not go to standby position despite correct indication in display. (picture attached)
• 80% snow on screen. (702276 tip from OTTOVERSAND)
• Colour output stage ICs fail repeatedly.
• Goes to standby occasionally (sometimes twice in one hour or once in one month).
• RCU does not function with Teletext.
• 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. (with circuit diagram extract)
• Snowy screen as if there is no aerial. Channel display normal.
• Logo displayed for a short time when changing channels, display is constant, display fault. (OTTOVERSAND - 702276 information)
• Single digit channel display from 1-9.
• 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.
• Transistor T644/BUZ90A fails immediately at switch on. (+ extract of circuit diagram)
• Blank grey raster in tuner and external positions.
• Fastening of line output transformer and focus cables. (service info for OTTOVERSAND -702276)
• When switching channels the "momentary" channel display remains on.
• After 10 minutes, does not accept commands from operating panel of RC. (picture attached)
• No synchronisation.
• No Teletext or only wrong characters on the screen with certain stations.
• Vertical collapse. White line. in the centre.
• Procedure to reduce tube afterglow point.
• Remains in standby when using mains switch. (part of circuit diagram displayed)
• Horizontal and vertical instability.
• Picture is saturated in red with blue colour bleeding when eliminating colour using RC. If screen is red, picture contents are blurred.
• Snow in picture. Patterns in picture.
• Channel names appear continuously or not at all.
• In PIP to change small picture position in the corners and frame.
• 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). (OTTOVERSAND - 702276 information)
• Unable to store colour settings.
• functions only from program 1-9. Switches on with AV. Special channels shfited.
• No 25V with deflector disconnected. Secondary voltages ok. (picture attached)
• Jagged verticals when cold.
• To make flashing disappear while switching over channel when programming from 1 to 9.
• Blurry picture. Colour bleeding.
• Stuck on a channel.
• Horizontal noise on vertical lines on whole raster. B/W picture. Intermittent colour.
• Digital adjustment of the line frequency and the line phase in multistandard and on appliances converted to multistandard.
• 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.
• No audio. OK via SCART .
• No front panel function. RC OK.
• No picture (thermal tube noise) and no sound after a storm but channel nos are displayed. (with circuit diagram extract)
• Picture is completely blurred and striations. (+ extract of circuit diagram)
• No sound or picture. The screen is grey and white. Slight noise in the sound.
• Line in top third of picture. (with circuit diagram extract)