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21B7T37TX / ALTUS [TV]

The EURAS repair tip database for professional technicians and service engineers supplies the following faults for 21B7T37TX / ALTUS.

List of fault symptoms:
  • Stuck in standby. Pressing "Progr" keys comes in, then reverts immediately back to standby.
  • Low contrast.
  • Vertical synchronisation fault in OSD. Picture and functions OK..
  • Picture is too wide. Width changes depending on beam current.
  • No channels.
  • No or poor audio.
  • Red picture.
  • Sound standard adjustment.
  • No synchronisation.
  • Shuts down.
  • No horizontal synchronisation. (21B7T37TX ALTUS repair tip)
  • Intermediate frequency adjustments - BG, DK, I standard. (part of circuit diagram displayed)
  • Disable child lock.
  • Horizontal line.
  • No tuning. No red LED. (21B7T37TX ALTUS repair tip)
  • Only AV operation possible. No tuner reception.
  • Pincushion distortion.
  • Dark picture. (ALTUS - 21B7T37TX information)
  • OSD shifted.
  • Power supply voltage adjustment. (extract of circuit diagram attached)
  • Switches to standby.
  • No line drive. Standby LED lit .
  • Enable child lock.
  • Vertical fault.
  • Dead. LED blinks .
  • White balance adjustment.
  • No start-up.
  • Shading at top when adjusting to 16:9 mode.
  • Standby flashes, if ON briefly high voltage, then standby again.
  • Enter service mode.
  • Snow in picture.
  • Wrong colours on corners. (21B7T37TX ALTUS repair tip)
  • White flyback lines.
  • Blows fuse.
  • Vertical error. Reduced and distorted picture amplitude.
  • Geometry adjustments.
  • Brightness varies.
  • Intermediate frequency adjustments - SECAM LL' standard. (picture attached)
  • Switches by itself to AV, info menu is intermittently distorted. No front controls.
  • Enable Hotel mode.
  • Reduced vertical size.
  • Black lines on the picture. OSD displays jitter. TXT does not function or does not synchronise. Picture and sound present.
  • No colour (intermittently). (ALTUS - 21B7T37TX information)
  • Picture shifted horizontally.
  • No UHF channels.
  • No start-up. Standby LED lit .
  • Intermittent failure T506. No apparent cause. (ALTUS - 21B7T37TX information)
  • Flyback lines.
  • No power.
  • No OSD.
  • Restore factory settings.
  • Disable hotel mode.
  • Vertical fault. at top.
  • Switches to standby. after a few seconds.
  • No picture.
  • White screen.
  • Dead.
  • Menu flickers.
  • Flickering picture.
  • No blue.
  • Dark screen. Audio OK .
  • Whistling.
  • No picture. at bottom. Vertical fault.
  • Flickering picture. in TXT. (ALTUS - 21B7T37TX information)
  • Intermittently picture is dark/green, no sync, no audio, no tuning.
  • Faulty OSD or poor colours.
  • Switches on but no user controls or RC. (ALTUS - 21B7T37TX information)
  • Switches to protection mode.
  • No AV.
  • Stuck in standby.
  • PSU is defective.
  • Only a white line.
  • Picture too small. Picture runs through.
  • PSU pulsates (after start-up).
  • Screen adjustments.
  • Vertical collapse.
  • No colour.
  • No audio. (21B7T37TX tip from ALTUS)
  • Tripping.
  • How to change SYSTEM MODE DKK.
  • Horizontal lines. intermittently.
  • Only standby, pulsates after switch on.
  • No picture. Audio OK .

If ALTUS 21B7T37TX 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 ALTUS 21B7T37TX fails.


Additionally to repairtips or service information 21B7T37TX 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 21B7T37TX ).

EURAS system also knows 428 appliances having the same chassis as 21B7T37TX and can easily list them.

In the repair discussion pinboard for 21B7T37TX there are 32 replies to questions asked about 21 different repair problems.
With access to EURAS you can all read them or enter your own questions and get help for 21B7T37TX from EURAS technicians or other users.

Do you want to see this remedies/cures for repairtips?   Register here for the EURAS System
Please note: access to the EURAS System can be granted only to professional Video/technicians/TV/household electronics repair shops which are authorized for service by a manufacturer, or can prove to be professionally certified to do repairs on electronic appliances. You will be asked for a statement and information accordingly during registration.

If you do not qualify as stated above and you have an appliance that needs technical service, we do recommend you to contact the manufacturer (for example through his website) or go to a professional TV/Video/household electronics repair shop close to you.

Already registered? open 21B7T37TX ALTUS in EURAS

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Last updated: 14. Oct 2008 01:57:07 MET, doccode ISO9002AS168EKA200805C EURASMOP

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