TH-50PX75
TH-50PX77
TH-42PX75
TH-42PX77
PCB Designation: D Board
Part #: TXN/D1HMTUJ (TH50PX75/77) & TXN/D1HNTUJ (TH42PX75/77)
Symptom: Shuts down with power LED 7 blinks.
Cause: 15V line shorted to ground due to SC board failure. Fuse PA9900 opens as soon as AC plugged
in then symptom will be: shuts down with power LED 7 blinks thereafter.
Remedy: Replace SC board and PA9900 in the D board.
Parts list
PA9900:
Part # - K5H5022A0023