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Hitachi CMT2700 TV, starting work for about 5 ~ 8min image and sound disappeared repair method of fault
Time£º2014-07-28 11:07:13  Source£ºNetwork  Author£ºUnknown  Clicks£º1196
  

The multimeter monitoring high frequency tuning voltage, fault appeared nowadays to around 1.3 V. Check + 33 v tuning voltage power supply circuit, found that the voltage regulator block ZD1103 performance becomes worse. After replacing ZD1103, troubleshooting.8t4service manual download site
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