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Old 10-05-2020, 07:11 AM
Ed in Tx's Avatar
Ed in Tx Ed in Tx is offline
Zenith Walton My 1st TV
 
Join Date: Nov 2008
Location: DFW
Posts: 1,421
Quote:
Originally Posted by newzealand View Post
i have found the board that has head amp stamped on it,
is this the one i need to check?
i had a good look with a micro glass and can not find any signs of heat or failure,
ill do a few more checks and if nothing ill bin it
do you have any recommendations on what model to look for that are kind of reliable ?
i have tried a few sonys ,jvcs ,national, all were no good for long electronically,
im thinking of going euro as they have got to be better than these jap units ,
what do you think
mike
Bad caps don't always show visible signs of failure. You need an ESR meter to test them in-circuit. If you had an oscilloscope you could connect to the RF output test point of the head amp and see right away if it is working or not. I suspect something else down line in the video processing or muting circuits.

Far as a reliable VCR most are going to be old and loaded with electrolytic caps and rubber parts. Find a newer model that works. A "euro" VCR? Only one I knew about was the Grundig Video 2000, a failed format. Most all brands sold worldwide were Made in Japan (preferred) until they became cheap commodity items made in China.
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