STV7200 / OTTOVERSAND [TV]

• Spare part info: type of 1C1
• IC1 (TEA2164) is defective.
• Slightly compressed picture on right. (STV7200 tips)
• Operating voltage adjustment.
• Flyback lines. at top.
• Switches off by itself (after a while).
• Value of resistor R15.
• E/W Pin cushion too large and E/W pin cushion too small adjustment.
• After approx 3 hours, goes into standby. Then can be started and continues running.
• Occasionally picture reappears after switching off with the RCU.
• BU508A defective.
• Top quarter of picture is dark and pulled, if appliance is cold.
• A colour is missing or strong striations and flags.
• Vertical line. at top. (service info for OTTOVERSAND -STV7200)
• Ref of T1, value of R5 and R6?
• No raster. Sound and line transformer present.
• After operating for 3 hours renewed failure of the line BU. (OTTOVERSAND - STV7200 information)
• When switching on, short attempt to start up. Standby LED lights up.
• Picture too small.
• No functions.
• T1 (BU 903) in the primary power supply fails repeatedly in different circumstances.
• Sound is low and peak level distorted.
• IC1 blows. (OTTOVERSAND - STV7200 information)
• Horizontal centre adjustment.
• Excessive horizontal size.
• Switches off by itself. after a few seconds.
• Pin cushion.
• PSU fails every few days. IC201, R216 and T201 are then defective.
• Black balance adjustment.
• On standby the PSU runs but after turning the set on, it only starts up for a moment and returns to standby.
• After pressing the mains switch and finally switching on with the remote control or the button on the appliance, sometimes there is no picture and no sound. You can hear the horizontal output stage functioning. (STV7200 tips)
• Line BU destroyed when hot.
• Switches off by itself. (service info for OTTOVERSAND -STV7200)
• Lines have shifted by approx 2mm each line.
• Red striations on the picture.
• Picture is displaced to the bottom of the screen. Fault recedes when appliance warms up. (STV7200 OTTOVERSAND repair tip)
• Black adjustment.
• Backing up in SERVICE mode.
• TEA2164 is burnt.
• E/W fault. Picture collapses.
• Slight flyback lines in the top part of the picture.
• No standby and start up indication.
• Value of T15?
• Enter service mode.
• Sound buzzing when picture background is white.
• Bright picture. Flyback lines. (picture attached)
• Colour adjustment.
• Jerky sound in HF and scart.
• Picture is drawn in on bottom.
• Colour missing (for ex. red).
• Squealing noise. Full brightness on the picture.
• Black screen. No audio. OSD OK .
• BU508A in the horizontal output stage was defective. After replacing, ticking from loudspeaker, appliance does not start up.
• Screen has unstable coloured bars. Picture is perfect via scart.
• Inverted trapezium distortion, flickering in upper half of picture.
• Horizontal centering adjustment with teletext.
• Picture centering adjustment.
• PSU doesn't oscillate.
• Moves from channel over channel 42. Storing channels below channel 42 OK. No storing of channels over channel 42.
• No tuner reception after repairing power supply. Ok in scart. Tuner voltage ok.
• Harsh ticking noise when increasing or lowering volume.
• Chirping when picture is bright.
• Adjusting the horizontal amplitude.
• Occasionally picture reappears after switching off with the RCU.
• No CRT heating.
• No sound at RF reception (Multi-IF). Mostly knock sensitive.
• No start-up.
• Shuts down (intermittently).
• Spare part info: type of power supply transistor.
• Occasionally goes to standby. Then can be switched on again.
• Power supply voltages are too low and only increase slightly if the "ON" switch on the control panel is held in.
• Picture is very distorted, horizontal deflection fault; line output stage oscillates incorrectly; appliance whistles and after approx 1 min switches to stand by.
• Remains in standby, starts up only for a fraction of a sec then goes into standby again. (OTTOVERSAND - STV7200 information)
• Vertical amplitude, coarse, vertical amplitude, fine adjustment.
• No or weak red, green or blue.
• Picture cuts out after a few mins. Sound and channel change ok. Difficulties at start up if TV is switched off.
• No vertical deflection (intermittently).
• Buzzing on sound mostly on channels 5, M6 and Canal Plus.
• Line BU blows after 3 hours.
• PSU pulsates in 50Hz cycle.
• Line output stage does not oscillate correctly.
• Poor operation of the raster time base.
• Incorrect colour. Yellow with flyback lines (no blue).
• Picture is like a negative when the contrast button is pushed.
• Fine red bar at bottom of screen. It appears on side of screen when power supply pot. is used.
• 9cm horizontal picture shift on right side. Picture ok in reception via scart.
• Predominantly yellow. Picture and sound ok. (STV7200 tip from OTTOVERSAND)
• Type of transistor T5.
• Pincushion distortion adjustment.
• No mono. Stereo OK.
• Snow. Picture appears after 1 min.
• E/W fault.
• No video and audio IF.
• Slight, distorted horizontal stripe on the picture. Line pairing visible. Hum runs through from top to bottom.
• Picture is noisy and occasionally too small. (STV7200 tips)
• No reception in upper channel range. Analog values and programs can not be stored.
• No sound with mono transmissions.
• Linearity at top edge of picture cannot be adjusted ie pic. is tightly compressed at the top.
• Sound fails when set is warm. Sometimes also left and right picture pinching.
• Reduced vertical size.
• Grey picture with flyback lines.
• Line tearing in dark sections of picture, mostly at VCR PB.
• Yellow screen with flyback lines. Hardly visible picture. Sound OK on all channels.
• No picture. No audio.
• Colour adjustment.
• The picture changes occasionally (varies).
• Screen is red and has no picture content. On screen function is not visible.
• After switching on mains, appliance only ticks. (LOPT)
• Picture varies in brightness and is very dark. Picture gets lighter if contrast turned down.
• No function via the RC. Operation on appliance is ok.
• Some (high) channels can't be adjusted.
• Functions OK for a few days then picture becomes negative.
• No picture. Audio OK . (OTTOVERSAND - STV7200 information)
• Picture shifted vertically. at top.
• In HF reception sound is defective. AV ok.
• Vertically reduced picture. (OTTOVERSAND - STV7200 information)
• Test mode. (OTTOVERSAND - STV7200 information)
• Set at full volume it is too quiet and a strong hum can be heard. (STV7200 tip from OTTOVERSAND)
• CCU snow.
• The sound from one or both of the speakers crackles after operating for a longer time.
• Factory setting for tube A 63 NCQ 00X 08
• Line BU508 blows after a few minutes or after 2 or 3 hours operating. (STV7200 OTTOVERSAND repair tip)
• No sound at RF (Multi-IF).
• No vertical deflection.
• Green LED flickers in front panel, no EHT.
• Slight E/W fault, appliance switches off after a short time. Then loud chirping in Stand-by mode. (STV7200 tips)
• Top half of the picture is ok, but the bottom half is bent with a white line in the centre.
• Picture and sound OK but strong predominant green. (STV7200 OTTOVERSAND repair tip)
• No blue.
• Line is folded over, it is set to the wrong standard. Does not synchronise.
• Linearity fault at the top of the picture.
• Setting the centering.
• BU508A always fails.
• No tuning.
• How to access control SERVICE mode to correct height and East/West.
• Vertical centre adjustment.
• Poor synchronisation. Lines in picture (when cold).
• Adjusting the linearity. (OTTOVERSAND - STV7200 information)
• Stuck in standby.
• Blank raster and controls do not work.
• The voltage in the vertical stage is too high (instead of 17.3V it is over 40V). It is already measurable at diode D11 (BY299). The appliance runs occasionally if you start it up for a longer time (10 mins).
• BU508A constantly becomes defective, picture shifted to the right.
• When switching on the picture is dark then you can see a white horizontal line in the top half of the screen.
• Linearity distorted on top.
• RGB adjustment in Service Mode.
• White screen. Flyback lines. (STV7200 OTTOVERSAND repair tip)
• Horizontal size adjustment.
• Transistor T2 type.
• Reduced horizontal deflection.
• Blue picture.
• At start up, blows suddenly then stops.
• Brightness and contrast adjustment.
• No mono sound is present, stereo sound is slightly distorted.
• Doesn't store or stores only after several attempts.
• Vertical lines. (service info for OTTOVERSAND -STV7200)
• No audio and video IF.
• White adjustment.
• One of the basic 3 colours is missing.
• PSU does not start. No starting attempt.
• TXT and OSD displaced to the left or right. (OTTOVERSAND - STV7200 information)
• Vertical interference lines on the left side of the picture.
• Important problem in PSU.
• Chirping. Picture at max. brightness. High voltage crackling near the deflection unit.
• One colour missing. (No blue, red or green)
• Vertical centre adjustment. (STV7200 tips)
• No LED at start up. Low voltages.
• Focus adjustment.
• S/C on the mains side.
• Geometry adjustment. (STV7200 tip from OTTOVERSAND)
• Reduced horizontal size. (service info for OTTOVERSAND -STV7200)
• Line output stage transistor fails again after a short time.
• Hum in sound via RF. Picture OK. Picture and sound OK via scart.
• Ticking at switch on and the green LED may flicker.
• How to store channels.
• Line BU (BU508A) S/C.
• Appliance does not switch on. Standby is on. When attempting to switch on there is a short build up of high voltage.
• Attempts to start via RC but switches off. Standby OK.
• EHT does not start up.
• Horizontal stripes in the top third of the picture. The upper linearity is limited.
• Adjusting the vertical amplitude (coarse and fine). (STV7200 tip from OTTOVERSAND)
• Horizontal centre adjustment.
• One colour missing.
• Adjusting theoperating voltage.
• No picture, T2 (BD683) gets hot. At switch on the picture up to T2 gets so hot that the 17.5V fails. Picture has then disappeared and the voltage dropped to 3V.
• Dead. (STV7200 tip from OTTOVERSAND)
• Line output transistor fails repeatedly.
• Fails. Knock sensitive. (STV7200 tips)
• Wavy lines when connecting to a muli-user aerial in a block of flats. Channels which lie close together distort the reception in BIII.
• Line tearing similar to "mouse teeth" on the picture.
• Cushion adjustment.
• No picture. No sound. The PSU oscillates. No CRT heating.
• Focus adjustment.
• Picture has a green flyback line.
• Linearity adjustment.
• Store analog values (contrast, brightness) as standard/PP values.
• No start up, line BU ok. No standby light on, TEA2164 changed, fuse ok, power supply pin 2 TEA2164 ok.
• Line transformer whistles after 15-20 mins and a short time afterwards BU fails.
• Horizontal band in picture, sound OK.
• Horizontal foldover.
• End stageTRS T2 drop-out in vertical deflection.
• The PSU will not oscillate.
• Adjusting the brightness and contrast.
• Low audio. OK via SCART .
• Station storage (special channels) on some channel sites are suddenly no longer possible. After pressing Memory, station drifts.
• Power supply pulsates. Very low secondary voltages.
• Adjusting the white setting.
• No channel storing.
• Does not start, standby ok. If you hold in place the On switch high voltage occurs and appliance hisses, after you release the switch, goes immediately to standby again.
• T2 in the vertical stage comes flying out after approx 30 mins. IC1 and C5 already replaced in this stage.
• Stuck in standby. Short rustle of EHT at power on.
• Memory command is acknowledged but not carried out. Transmitter symbol can be written but not stored.
• No channels over 48. Stations cannot be stored. Some stations in memory are ok.
• No picture content with a max adjusted G2 regulator.
• No sound after inserting the station table, sound only reoccurs with stereo transmissions after blanking. With mono by switching over channels.