Question about Televison & Video
The power turns on but none of t he lamps illumniate . I've tried the twist and shake method, the press on all the boards to see where the cracked solder might be. How do I test the lamps for integrity and how are they removed for service. I just received this tv from a friend who said "If you can fix it it is yours" It has been moved three times in the last six months with changes in job, so I figure the solder has cracked somewhere Doug
Does high voltage come up (35KV)? if not then suspect the HOT(horizonal output transistor) to be shorted or the flyback transformer to be bad or both. the CRTs for this set are no longer available.
here are some tips from mitsubishi.
1. SUSPECT R503 (3.9K 5W METAL) AND T500 (336P009030) FAILURE. LOCATED ON PCB-MAIN IN HORIZONTAL DRIVE CIRCUIT 2. DEAD SET. CHECK R2045 AND R2048 BOTH ARE 6.8 OHM 3W OFF PIN 5 OF IC2003 ON THE SIGNAL PCB.
Posted on Feb 26, 2008
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Posted on Jan 02, 2017
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