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66K7923 / SIERRA [TV]

The EURAS repair tip database for professional technicians and service engineers supplies the following faults for 66K7923 / SIERRA.

List of fault symptoms:

Flyback lines.
The appliance gurgles occasionally.
Goes past the station.
Code numbers of the phosphor bronze connectors.
Replaced focus unit (U460).
No picture, only stripes.
Bright picture. Shuts down.
No storage. Battery replaced. After pushing button 1-4, the station disappears. (66K7923 tips)
Tuning drifts.
East-West module.
Picture becomes darker in TXT mode. TXT LED lights up.
Connection of a loop system to the TV.
White-grey picture and no contrast control when green button is not pressed. Picture ok when green button is pressed. (66K7923 tips)
Standardised chroma module.
After turning on, the set displays the wrong channels: 1 shows 17 and 2 shows 18.
Shuts down (intermittently).
Replace TDA2523 with TDA2525.
No audio.
After some time the picture turns bright with flyback lines, after some time picture is ok again. Occasionally appliance also switches off.
Lower side of picture is black.
Tuning is unstable and the picture is too small.
Safety test after repair.
No picture and sound, only noise in cold condition. After switching on again or after operating the program select, the appliance is fine again.
The picture is white grey and the contrast does not control when the green button is not pushed in. The picture is ok when the button is pushed in.
No picture and sound, only noise in cold condition. After switching on again or after operating a program selection the appliance is in good order again.
With light picture contents the mains gurgles once.
No tuning. only on certain channels.

With this service information, you may repair SIERRA 66K7923 faster/better when it fails.

When SIERRA 66K7923 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. SIERRA 66K7923 fails can be better solved.

If SIERRA 66K7923 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 SIERRA 66K7923 fails.

Additionally to repairtips or service information 66K7923 is linked to 2 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 66K7923 ).

EURAS system also knows 72 appliances having the same chassis as 66K7923 and can easily list them.

For 66K7923 there are 2 compatible appliances known and can be listed.

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 household/Video/TV electronics repair shop close to you.

Already registered? open 66K7923 SIERRA in EURAS

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Last updated: 14. Oct 2008 06:33:12 MET, doccode ISO9002AS168EKA200805C EURASMOP

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