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Hitachi CEP-321D TV image slant dark, increase the contrast when color tailing, image amplitude expansion repair method of fault
Time£º2014-07-25 07:31:35  Source£ºNetwork  Author£ºUnknown  Clicks£º1198
  

This failure phenomenon of kinescope accelerating voltage on the low side. Check the accelerating voltage reduction. LHNservice manual download site
(1) the multimeter test tube accelerating voltage, voltage fluctuation between 100 ~ 400 v. Breaking operation output main put plates lead, test the lead on voltage and 420 v is normal. Accelerating voltage load has a fault. LHNservice manual download site
 LHNservice manual download site
(2) the acceleration measurement of resistance, there is leakage, fluctuations in resistance. Clean with alcohol as plate, drying after fault elimination.LHNservice manual download site
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