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21B7T02TXS / SANG [TV]

The EURAS repair tip database for professional technicians and service engineers supplies the following faults for 21B7T02TXS / SANG.

List of fault symptoms:
  • Sound standard adjustment. (21B7T02TXS tips)
  • Tripping.
  • No picture. at bottom. Vertical fault. (21B7T02TXS SANG repair tip)
  • Switches to standby.
  • How to change SYSTEM MODE DKK.
  • Black lines on the picture. OSD displays jitter. TXT does not function or does not synchronise. Picture and sound present. (21B7T02TXS SANG repair tip)
  • Dark screen. Audio OK .
  • Low contrast.
  • Intermediate frequency adjustments - SECAM LL' standard. (part of circuit diagram displayed) (21B7T02TXS tip from SANG)
  • No AV.
  • Intermediate frequency adjustments - BG, DK, I standard. (picture attached) (service info for SANG -21B7T02TXS)
  • Menu flickers.
  • PSU pulsates (after start-up).
  • Vertical error. Reduced and distorted picture amplitude.
  • No start-up. Standby LED lit . (service info for SANG -21B7T02TXS)
  • No picture.
  • No colour.
  • Disable child lock.
  • Vertical collapse.
  • Dead. LED blinks .
  • No or poor audio. (21B7T02TXS SANG repair tip)
  • Wrong colours on corners.
  • Pincushion distortion.
  • Horizontal line.
  • No synchronisation.
  • Reduced vertical size.
  • Snow in picture.
  • Whistling.
  • Switches to protection mode. (21B7T02TXS SANG repair tip)
  • Picture shifted horizontally.
  • Flickering picture. in TXT.
  • Intermittent failure T506. No apparent cause.
  • Brightness varies.
  • No tuning. No red LED.
  • Vertical fault.
  • White screen.
  • Enable child lock.
  • Screen adjustments.
  • Intermittently picture is dark/green, no sync, no audio, no tuning.
  • Only a white line.
  • Enable Hotel mode.
  • Stuck in standby.
  • Standby flashes, if ON briefly high voltage, then standby again.
  • Horizontal lines. intermittently. (21B7T02TXS SANG repair tip)
  • Picture is too wide. Width changes depending on beam current.
  • No power.
  • Stuck in standby. Pressing "Progr" keys comes in, then reverts immediately back to standby.
  • Disable hotel mode.
  • No colour (intermittently). (SANG - 21B7T02TXS information)
  • No audio.
  • No horizontal synchronisation.
  • No UHF channels.
  • Power supply voltage adjustment. (+ extract of circuit diagram)
  • No start-up.
  • No picture. Audio OK .
  • No OSD.
  • Switches to standby. after a few seconds.
  • Only AV operation possible. No tuner reception.
  • PSU is defective.
  • White flyback lines.
  • Vertical fault. at top. (service info for SANG -21B7T02TXS)
  • No blue.
  • Blows fuse.
  • Picture too small. Picture runs through.
  • Red picture.
  • No channels.
  • Switches on but no user controls or RC.
  • Enter service mode.
  • Only standby, pulsates after switch on.
  • Geometry adjustments.
  • Shuts down.
  • OSD shifted.
  • Dead.
  • Shading at top when adjusting to 16:9 mode.
  • Vertical synchronisation fault in OSD. Picture and functions OK..
  • Flickering picture.
  • Switches by itself to AV, info menu is intermittently distorted. No front controls.
  • Dark picture.
  • White balance adjustment.
  • Flyback lines.
  • No line drive. Standby LED lit .
  • Restore factory settings. (21B7T02TXS SANG repair tip)
  • Faulty OSD or poor colours. (service info for SANG -21B7T02TXS)

When SANG 21B7T02TXS fails , these symptoms are known and EURAS knows the remedy/solution.

Tips are coming from EURAS customers, workshops and payed technicians from all over the world. SANG 21B7T02TXS fails can be better solved.

If SANG 21B7T02TXS fails, this information will help you. Here you can only see the symptom list, to access remedies, you must register.

With help of this list a solution is found often when SANG 21B7T02TXS fails.


Additionally to repairtips or service information 21B7T02TXS is linked to 37 components (IC's and/or transformers) in the Tectra database, through which you can identify electrical compatibilities (crossreferences) in appliances.


Chassis information is available (which chassis is built in into 21B7T02TXS ).

EURAS system also knows 428 appliances having the same chassis as 21B7T02TXS and can easily list them.

In the repair discussion pinboard for 21B7T02TXS there are 32 replies to questions asked about 21 different repair problems.
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Last updated: 30. Aug 2008 01:23:42 MET, doccode ISO9002AS168EKA200805C EURASMOP

Responsible for the content: EURAS International GmbH, Eime, Germany. All rights reserved, EURAS database V2.0 (C) 2002-2008. All brand- or productnames are copyrighted by the respective manufacturer of the appliance and are only being used for identification purposes.