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Panasonic TH-42PA60C LCD TV without power, the red light does not shine repair method of fault
Time£º2014-07-14 08:21:41  Source£ºNetwork  Author£ºUnknown  Clicks£º1248
  

Observation, this machine has no power, the red light is not bright, may be bad board: power supply board, power supply switches, D board, DG board. gR6service manual download site
 gR6service manual download site
Switch on the power indicator light is not bright, no relay suck up vocalist. gR6service manual download site
 gR6service manual download site
Vice power supply experience judgment, this machine does not work, measuring D404 plus or minus side has 320 v voltage, power rectifier is normal. gR6service manual download site
 gR6service manual download site
D509 rectifier voltage measurement is 1 v, doubt level after a short circuit is like, because of a lot of line 5 v power supply, are hard to measure off one by one measure 5 v output to ground resistance, no obvious short circuit. After the substitution D436, D445 machine is normal.gR6service manual download site
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