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Sony colour tv KV HG 21M80/LS SMPS (STR F6267)
Posted by Anonymous on
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Posted on Jan 02, 2017
SOURCE: No power
check voltage at the primary filter then check voltege at pin no 1 of STR dc which should be approx input volt if not then clear the path if present then check check up down volt at pin no 3 if not persent then replace the small capacitor near it the problem will be solved
Posted on Dec 06, 2008
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Next you need to check if the LINE output transformer has failed. If so this will have a higher current drain and so switch off the SMPS unit. check for the EHT drivers, capacitors in the HT circuit.
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