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Line fault repair method of bright Hitachi CMT2518 TV a level
Time£º2014-07-30 09:02:01  Source£ºNetwork  Author£ºUnknown  Clicks£º1245
  

The airport output circuit adopts the mu PC1498 integrated block, appeared a level bright line of the cause of the problem are: BQFservice manual download site
 BQFservice manual download site
(1) mu PC1498 integrated block crack of pin soldering causing poor contact. After replacement, then. BQFservice manual download site
 BQFservice manual download site
(2) mu PC1498 25 v power supply side 6 feet no voltage, the reason was that the 25 v power supply output D707 (FMISA4), R707 (2.2 Ω, 1/4 w) damage. After replacement, then.BQFservice manual download site
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