728447 / OTTOVERSAND [TV]

• No audio. No picture.
• No sound or picture. Standby light flashes 6 times at start up.
• Noise bars in picture for ca. 15 mins, then OK.
• Vertical collapse. (with circuit diagram extract)
• IC601 and R615 blow.
• Intermittently dead. (picture attached)
• Pumps 3 to 5 times and only then switches on.
• No functions. intermittently. Standby LED does not light. (OTTOVERSAND - 728447 information)
• No RGB on TXT display.
• B/W with horizontal synchronisation fault on all channel excepting Canal Plus and M6.
• RC unit. (728447 tips)
• After switching on the appliance switches off again immediately. No stand-by indication. (with circuit diagram extract)
• Dark picture. Red, green, blue slightly shifted.
• Vertical jitter. in TXT. (with circuit diagram extract)
• No vertical deflection. (picture attached)
• No start-up.
• No RC functions. after a while.
• Line tearing.
• Dead, Power supply hiccups. (with circuit diagram extract)
• No audio and picture via AV.
• No vertical synchronisation.
• Dead. Tripping. (picture attached)
• Tripping (at start-up).
• Poor remote control sensitivity from small distance (dependent on picture). (with circuit diagram extract)
• No audio. via SCART. No picture. via SCART. (service info for OTTOVERSAND -728447)
• No colour.
• No operation. (+ extract of circuit diagram)
• Only one operation is possible after start-up: either RC or user control.
• No horizontal deflection.
• 2cm black bar at top of screen. (+ extract of circuit diagram)
• No start-up. Red LED blinks twice periodically.
• Microprocessor at 6.4V after overvoltage on mains supply. (728447 tip from OTTOVERSAND)
• Greenish picture or no colour. (picture attached)
• RC unit.
• Reduced and unfocused raster. Sound OK.
• Red, green or blue is overdriven. After a short time the appliance goes into protection. (part of circuit diagram displayed)
• After arcing at the picture tube the picture is dark. (+ extract of circuit diagram)
• No start-up from standby. No LED lit.
• No text. Excessive width. Poor grey scale.
• Black screen. Red LED blinks.
• Protection mode activated. after a while.
• RC unit.
• Code number info. - test mode 2.
• No reception. (extract of circuit diagram attached)
• RC unit.
• Tuning drifts. (with circuit diagram extract) (728447 OTTOVERSAND repair tip)
• Picture jitters. in TXT. (with circuit diagram extract)
• Intermittently picture rolls up in TXT mode. (extract of circuit diagram attached)
• Horizontal output stage transistor fails.
• No field timebase.
• B/W picture with horizontal sync fault on all channels except Canal Plus and M6.
• E/W fault.
• No picture. Audio OK . (728447 OTTOVERSAND repair tip)
• No functions. (service info for OTTOVERSAND -728447)
• Excessive horizontal size. No E/W correction. (extract of circuit diagram attached)
• Volume or channel change when moving appliance.
• Pincushion distortion.
• Stuck in standby. LED flickers . (728447 tips)
• No TXT. Excessive vertical and horizontal size. Weak contrast.
• Dead. after a while.
• White line. on the left. No picture. intermittently. (picture attached)
• No functions (intermittently).
• Dim screen, distorted and desynchronized picture. Picture is OK when pushing aerial plug to bottom of TV input connector.
• OSD unsynchronised vertically. No picture. (picture attached)
• At 4:3 picture is too bright. With zoom 1, 2 or 3 it is normal.
• Power supply pulsates several times before switching on correctly.
• Switches to protection mode (after a few minutes). Standby LED flashes .
• Sound is at maximum and not controllable with RC.
• Tuning drifts. intermittently.
• Distorted audio. Low audio.
• No RC functions. (728447 tip from OTTOVERSAND)
• No picture. (part of circuit diagram displayed)
• RC unit.
• Dark picture.
• Picture becomes dark at 4:3 format.
• Does not change channels.
• RC unit.
• No B/Y or R/Y.
• Spots in picture. (extract of circuit diagram attached) (728447 tips)
• Low contrast or no picture when used with playstation.
• Volume at maximum.
• Reduced horizontal size.
• No picture. OSD OK .
• Picture shifted vertically. (extract of circuit diagram attached)
• Picture gradually dims at switch on. Flaring.
• Error codes. (extract of circuit diagram attached)
• At switch on EHT rustles up then goes dead. Standby LED flashes on/off.
• Tripping.
• Locks after one function is selected.
• Horizontal line. after warm-up.
• Picture geometry adjustment.
• No OSD. No TXT. (extract of circuit diagram attached)
• How to carry out the geometry adjustments.
• HT briefly present at switch on, then flashing LED.
• Distorted and/or low audio after warm-up.
• Volume or channels change when housing is moved.
• No functions. after start-up.
• No functions. Standby LED flashes . (extract of circuit diagram attached)
• Weak picture with patterning on it, through scart OK.
• White screen. Retrace lines.
• No E/W correction. (with circuit diagram extract)
• No picture. via SCART.
• Flyback lines. at top.
• Only green colour. Picture OK in black/white mode.
• Shuts down. after a while. LED blinks . (728447 tips)
• Bright raster in red, green or blue. Goes to standby with LED flashing six times.
• Operates 15 to 20 mins, then LED blinks 6 times. (728447 OTTOVERSAND repair tip)
• LED lights up briefly. No start-up.
• Standby LED flickers 4 times.
• Auto grey scale lines over top of picture. (part of circuit diagram displayed)
• Green screen or screen is flashing green.
• Greenish picture with flyback lines after a few mins. Then protective circuit is activated.
• Erratic vertical linearity.
• Starts up well, then becomes blue and goes to standby.
• Enter service mode.
• Line transformer sparks.
• No vertical deflection.
• One colour bright.
• Geometry fault which cannot be corrected by performing appropriate adjustments. (part of circuit diagram displayed)
• Switches to protection mode. Knock sensitive. (extract of circuit diagram attached)
• IC601 (STRS5706) goes immediately S/C when connecting the mains.