20GR1250/52R GR1-AX Repair Tips


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Search: 20GR1250/52R GR1-AX
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MakeModel Ch.SymptomProblem SolutionSolutionBy:
Philips 20GR1250/52R GR1-AX
Tv turns on automatically. Power supply works well, +5V present but seems that CPU 7700 does not no standby mode, no remote or control on the front of the setAfter replacing CPU TMP47C434 and crystal 1770 4.0MHz both control worked intermittently. Replacing transistor 7674 BC548 solved the problem