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CT55STK / WALTHAM [TV]

The EURAS repair tip database for professional technicians and service engineers supplies the following faults for CT55STK / WALTHAM.

List of fault symptoms:
  • No picture. No OSD.
  • No "on screen display".
  • No picture. Does not start. E/W is not ok.
  • Picture pulling especially at top.
  • Incorrect picture via scart input. Loss of synchronisation.
  • Absolutely no "on screen display" intermittently.
  • Picture is too wide. Pincushion distortion. E/W can not be adjusted.
  • No picture. (CT55STK tip from WALTHAM)
  • Noise in standby.
  • Dead. Standby LED flashes once quickly at switch on.
  • Shuts down (intermittently).
  • Line output transistor fails repeatedly.
  • No HV.
  • No picture or contrast.
  • Does not switch to TXT or immediately switches from TXT.
  • Poor and blurred picture after warming up. Picture OK when cold. When switching to an untuned channel grey or black screen.
  • PSU pumps or is missing.
  • No front panel controls. RC OK.
  • Dark picture.
  • No line drive.
  • No audio.
  • Flyback lines. (WALTHAM - CT55STK information)
  • Flashing picture. No tuning on highest channels.
  • Excessive horizontal size. (WALTHAM - CT55STK information)
  • Nasal sound.
  • Standby LED switches on then off.
  • Only standby. Switches back to standby after switch on via RC.
  • Power supply is very warm. Whistle sound.
  • PSU pulsates.
  • LED flickers at switch-on then switches off.
  • Line output transistor fails repeatedly. after a few minutes.
  • Line tearing. Intermittently no sound.
  • No standby. When switching on, LED lights up. (CT55STK tips)

Tips are coming from EURAS customers, workshops and payed technicians from all over the world. WALTHAM CT55STK fails can be better solved.

If WALTHAM CT55STK 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 WALTHAM CT55STK fails.


Additionally to repairtips or service information CT55STK is linked to 6 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 CT55STK ).

EURAS system also knows 29 appliances having the same chassis as CT55STK and can easily list them.

For CT55STK there are 3 compatible appliances known and can be listed.


In the repair discussion pinboard for CT55STK there are 2 replies to questions asked about 1 different repair problems.
With access to EURAS you can all read them or enter your own questions and get help for CT55STK from EURAS technicians or other users.

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Last updated: 29. Aug 2008 14:22:12 MET, doccode ISO9002AS168EKA200805C [cachelite] 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.