PIONEER TV Repair Tips

PIONEER TV

Size	Model	Chassis	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