panasonic Repair Tips

Search: panasonic

Results 1199

Make	Model Ch.	Symptom	Problem Solution
Panasonic	Z3	POWERS UP THEN GOES DEAD	REMOVE Q451 POWER UP ON VARIAC , IF FIELD COLLAPSE CHECK D4539 ON ODD OCCASIONS FLASHOVERS IN TUBE CAUSE DIODE TO FAIL
Panasonic	Z3	POOR FIELD LIN top expanded bottom compressed	C458 MAY BE 10uF 50v OR 4u7 50v
Panasonic	Z3	Picture size flutters and set goes to StBy int.	STR50103A us
Panasonic	Z3	NO TUNING	C17 0.01uF SC
Panasonic	Z3	NO START UP. IF PIN 15 IC101 SHORTED TO CHASSIS SE	CHECK FEEDS TO Q502
Panasonic	Z3	No pic - sound ok	Check for dry joints on crt socket
Panasonic	Z3	No pic	D453 22v zener in field cct s/c - also suspect LOPTx
Panasonic	Z3	NO COLOUR	C616 ON IC101 PIN 29 10nF 50v Ceramic
Panasonic	Z3	No col - pink screen with Hanover bars	C601 10nf disc ceramic cap in PAL DL leaky
Panasonic	Z3	INT NO PICTURE	LINE DRIVER TX DRY
Panasonic	Z3	Int loss of pic	Check for cracks in print around T531 line drive TX
Panasonic	Z3	INT DEAD WHEN OFF IC1101 RESET PIN 6 LOW	Check Q804 5V reg D810 5V zen & C1122 ( 0.01uF )
Panasonic	Z3	IF BRIGHTNESS TURNED UP SET TRIPS OFF	R316 47k OC
Panasonic	Z3	Fails to start	R802 ( 330K ) bias to chopper chip o/c
Panasonic	Z3	Dead with groaning sound	100v HT present, no line drive, prot tr Q451 operating. When removed field coll . No 25v to field chip - R467 1R8 o/c
Panasonic	Z3	dead - STR50103 s/c	replaced also prot diode and positor
Panasonic	Z3	Dead - st/by only	s/c on HT line - D816 R2G overvolts diode - replace STR50103A
Panasonic	Z3	Dead D816 s/c	Replace STR50103 chopper IC
Panasonic	Z3	COLOUR AT MAX OSD MOVES	D1149 LEAKY
Panasonic	Z185 TX14BT	Tuning absent	Replace eeprom 24C16 with new reprogrammed chip