STV3666 / OTTOVERSAND [TV]

• One colour is excessive.
• Dead.
• Grainy picture.
• Vertical jitter.
• Reduced vertical size at top.
• Picture shift upward. Linearity no change.
• Disable electronic combination lock.
• Slow tripping with HT.
• No picture. No OSD. (STV3666 tips)
• Customer has forgotten PIN code and Install menu is locked.
• Resistor R801 blows at switch on.
• Bright screen w/retrace lines
• Display locked.
• No picture.
• Visible horizontal lines on still picture.
• Too much of one colour.
• First anode supply low. (STV3666 tips)
• R809 (0.47R) blown.
• Dead or intermittently dead.
• Vertical size varies.
• Reduced vertical size at bottom.
• HT incorrect.
• Display shows all channels locked.
• No green.
• No video. Stuck in AV mode. OSD OK. (STV3666 OTTOVERSAND repair tip)
• Does not stop search tuning. Shows time-out clock.
• No NICAM channel.
• Audio stages.
• Switches on for a short time, then switches to standby. LED lights red. After restart, LED goes out completely.
• Trips (after a while).
• Shows time-out clock. Doesn't stop search tuning.
• Timeout clock search stops.
• One colour missing.
• Tuning locks then shutsdown.
• Streaky picture, dark on left and bright on right.
• Display show locked. When unlocking, lock can change, when addressing. Not toggling. (service info for OTTOVERSAND -STV3666)
• HT value.
• One OSD colour missing, after CRT flash over.
• No RC functions. Muted audio.
• Switching transistor (BUZ77B), R809 and TDA4605 become defective immediately after switch on.
• Vertical short at top & retrace lines
• Picture shifted vertically. at top.
• Colour inop. Voltage at Ic501-14 low (OTTOVERSAND - STV3666 information)
• Goes to standby after a short period.
• Vertical collapse. at top.
• No menu functions.
• Field collapse. 1" of scan shifted upwards.
• Apparent barking noise from speaker.
• No audio.
• Vertical foldover on bottom.
• Reduced vertical deflection. at bottom.
• No channel storing. (service info for OTTOVERSAND -STV3666)
• Volume always on full.
• Enter service mode.
• No picture. after a few hours.
• Slow tripping without HT,
• Low level mono sound. Nicam OK.
• Low colour saturation level.
• PSU transistor fails repeatedly.
• No tuning.
• No RC functions. Goes to standby when volume up or down used.
• Vertical collapse.
• Erratic operation. Intermittently switches to standby. Corrupt OSD.
• Vertical fault. on upper half screen.
• Frame severely cramped. Bright foldover in centre with edges curved from horizontal.
• Line pairing at top. Linearity stretched.
• EHT flashovers at output transformer.
• Obvious arcing noise from speaker.
• No picture (after warm-up).
• No or poor synchronisation.
• Black lines on picture. Extremely noisy field drive.
• Low or varying brightness. (service info for OTTOVERSAND -STV3666)
• Vertical compression in upper 1/2 of pix
• No start-up.
• Low output.
• Stuck in standby.
• Vertical foldover at top. Vertical collapse. at bottom.
• No red.
• Reduced horizontal size. at top.
• Goes back to standby, after approx 5 secs, LED turns green and goes out slowly.
• Microcontroller.
• Tripping.
• No colour.
• Goes to standby when tuning.
• No picture. Audio and OSD OK .
• Black lines in picture.
• No audio. Pulsing in speaker.
• Dead. in shutdown
• Video, audio I.F.
• No raster, power supply tripping maybe motorboating in speaker. (OTTOVERSAND - STV3666 information)
• Transistor Q801 is S/C. IC801 fails.
• Switches to standby (intermittently).
• PSU pulsates.
• Video & audio inop.
• Field collapse. 1" of severely distorted field scan when setting of first anode control is increased.
• Snow in picture.
• No HV.
• No menu functions.
• Bright coloured raster, one colour.
• Smeary or even completely blacked out picture occasionally.
• Severe line tearing. Ragged verticals.
• Does not come out of AV.
• Flyback lines.
• HT high. (STV3666 OTTOVERSAND repair tip)
• Excessive brightness.
• No vertical deflection.
• No audio.
• No TXT.
• Lines in picture.
• Blank screen (intermittently).
• Switches to standby.
• Video blanks out. Audio OK.
• Failure of FET, TDA4605.
• Intermittent audio.
• Switches to standby. at start-up. Motorboating noise from speakers. intermittently. LED blinks .
• Mains transformer makes noises.
• PSU MOSFET blown.
• No line drive.
• Nicam and signal conditioning chips.
• Low pulsing power. (STV3666 tips)
• Reduced vertical and horizontal size. (service info for OTTOVERSAND -STV3666)
• PSU doesn't function.
• Reduced vertical deflection.
• Reduced horizontal size. at bottom.
• Excessive red.
• Excessive blue. (STV3666 OTTOVERSAND repair tip)
• Excessive green. (service info for OTTOVERSAND -STV3666)
• Width narrow. pulled in on sides
• No function, LED flashes red.
• Intermittently dead.
• Not storing channels or analog levels, does store on channel 1 but all data is in other locations also. No TXT or NICAM.
• Does not stop on sweep tune.
• Disable child lock. (STV3666 tip from OTTOVERSAND)
• Dead. F802 blown
• CRT base, auto greyscale.
• Vertical foldover at top.
• Enable child lock.
• Intermittent or no colour.
• Distorted audio.
• Reduced vertical size.
• No functions. No LED lit. (picture attached)
• One colour missing, after CRT flashover.
• No blue.
• Dead. Standby LED lit .