TV Repair Tips

PIONEER

Size	Model	Symptom	Problem Description	Fix
45	SD-P4573	Dead	dead, relay clicks but switching supply doesn't run	Resolder optoisolator IC102
45	SD-P4573	Dead	Dead, but relay clicks	Resolder D105
45	SD-P4573	Power	Immediate shutdown	FU104 fuse blown, R2602 burns up, R2612 heats us. Replaced the convergence board.
45	SD-P4575	Dead	dead, relay clicks but switching supply doesn't run	Resolder optoisolator IC102
45	SD-P4575	Dead	Dead, but relay clicks	Resolder D105
45	SD-P4575	Power	Immediate shutdown	FU104 fuse blown, R2602 burns up, R2612 heats us. Replaced the convergence board.
50	SD-P5073	Power	No HV	replace Yoke, test by unplugging E1, E2, or E3,
50	SD-P5073	Dead	dead, relay clicks but switching supply doesn't run	Resolder optoisolator IC102
50	SD-P5073	Dead	Dead, but relay clicks	Resolder D105
50	SD-P5073	Power	Immediate shutdown	FU104 fuse blown, R2602 burns up, R2612 heats us. Replaced the convergence board.
50	SD-P5075	Dead	dead, relay clicks but switching supply doesn't run	Resolder optoisolator IC102
50	SD-P5075	Power	Immediate shutdown	FU104 fuse blown, R2602 burns up, R2612 heats us. Replaced the convergence board.
55	PRO-107	Dead	dead, relay clicks but switching supply doesn't run	Resolder optoisolator IC102
55	PRO-107	Dead	Dead, but relay clicks	Resolder D105
55	PRO-107	Power	Immediate shutdown	FU104 fuse blown, R2602 burns up, R2612 heats us. Replaced the convergence board.
55	SD-P5575	Dead	Dead, but relay clicks	Resolder D105
55	SD-P5575	Power	Immediate shutdown	FU104 fuse blown, R2602 burns up, R2612 heats us. Replaced the convergence board.
64	PRO710HD	Video	Blue CRT flashing	Resolder connections around E3 on power board
	PRO-177	Dead	dead, relay clicks but switching supply doesn't run	Resolder optoisolator IC102
	PRO-177	Dead	Dead, but relay clicks	Resolder D105

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Warning

: Don't kill yourself. If you do, don't blame us... We totally warned you. These tips are intended for qualified service technicians that know what they're doing. Unqualified persons should never service their own equipment. Televisions contain very high voltage that could kill you.