20B7T01 / SANG [TV]

• Pincushion distortion.
• OSD shifted.
• No audio.
• Dark picture.
• No picture.
• No tuning. No red LED.
• Enter service mode.
• Restore factory settings.
• Dead.
• Enable Hotel mode.
• No start-up. Standby LED lit .
• No UHF channels.
• No blue.
• No synchronisation.
• No colour. (20B7T01 SANG repair tip)
• Standby flashes, if ON briefly high voltage, then standby again.
• Vertical collapse.
• Flickering picture. in TXT. (SANG - 20B7T01 information)
• How to change SYSTEM MODE DKK.
• Geometry adjustments.
• Intermediate frequency adjustments - BG, DK, I standard. (picture attached)
• No horizontal synchronisation.
• Low contrast.
• PSU is defective. (SANG - 20B7T01 information)
• No colour (intermittently).
• Stuck in standby.
• Stuck in standby. Pressing "Progr" keys comes in, then reverts immediately back to standby.
• No picture. at bottom. Vertical fault.
• Snow in picture.
• Wrong colours on corners.
• No power.
• Switches to standby.
• Faulty OSD or poor colours.
• Sound standard adjustment. (SANG - 20B7T01 information)
• Picture shifted horizontally.
• Reduced vertical size.
• White balance adjustment.
• No channels.
• Horizontal lines. intermittently.
• Only a white line.
• No AV.
• Switches to standby. after a few seconds.
• Picture too small. Picture runs through.
• Shading at top when adjusting to 16:9 mode.
• Red picture.
• White screen.
• Shuts down.
• No or poor audio.
• Flickering picture.
• Whistling.
• Horizontal line.
• Only AV operation possible. No tuner reception.
• Intermittent failure T506. No apparent cause.
• Switches to protection mode.
• Vertical error. Reduced and distorted picture amplitude.
• Menu flickers.
• Black lines on the picture. OSD displays jitter. TXT does not function or does not synchronise. Picture and sound present. (20B7T01 tips)
• White flyback lines. (SANG - 20B7T01 information)
• Switches on but no user controls or RC.
• Screen adjustments.
• Disable child lock.
• Power supply voltage adjustment. (+ extract of circuit diagram)
• Vertical synchronisation fault in OSD. Picture and functions OK..
• Disable hotel mode. (20B7T01 tip from SANG)
• Dead. LED blinks .
• No picture. Audio OK .
• Vertical fault.
• PSU pulsates (after start-up).
• Intermittently picture is dark/green, no sync, no audio, no tuning.
• Dark screen. Audio OK .
• No line drive. Standby LED lit .
• Switches by itself to AV, info menu is intermittently distorted. No front controls.
• Intermediate frequency adjustments - SECAM LL' standard. (+ extract of circuit diagram)
• Vertical fault. at top.
• No OSD.
• Enable child lock.
• Tripping.
• Blows fuse.
• Picture is too wide. Width changes depending on beam current.
• Only standby, pulsates after switch on.
• No start-up.
• Brightness varies.
• Flyback lines.