Sharp Repair Tips

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Results: 1789

Make	Model	Symptom	Problem
SHARP	C1430H	Pic stable with no sound, when sound is up then pic shakes in sympathy with sound	Replace r680 10k. it is connected to q610 line startuo regulator, and if o/c causes psu overcurrent to become operative and lower supply voltage under current demand presented by sound output stage.
SHARP	C1421H	St/by only	Ry701 relay o/c winding
SHARP	C1421 7PS	Stuck in stby eht comes up then goes into stby	Str40090 u/s
SHARP	C1421 7PS	Stuck in standby.	Ry701 relay winding oc
SHARP	C1421 7PS	Set dead stby relay not enigised	Check pin 11 ic1002 for reset v & d607
SHARP	C1421 7PS	Low sound , action of vol control alters , above ha	Check l301 - if unit
SHARP	C1421 7PS	Line jitter	R308 820k
SHARP	C1421	St/by only - comes on briefly at sw on	Ok on 110v ac mains - str40090 faulty
SHARP	C1421	Sound low	L301 in if unit
SHARP	C1421	Fback lines	Ht to rgb only 72v (180v) - c620 4µ7 250v & r620 22r
SHARP	C1421	Dead with no st/by relay energising	No volts reset pin 11 of micro ic1002; d607 zener s/c
SHARP	C1420H	No tuning - sound or channel change.	Channel change button.
SHARP	C1420H	No start up	Str40090
SHARP	C1420H	No sound, chan change or tuning	Chan change button dropped to bits
SHARP	C1420H	No sound, chan change or tuning	Chan change button had dropped to bits
SHARP	C1420H	Int hum on vision sometimes negative pic	Tuner u/s
SHARP	C1420H	Int hum bar on pic & int negative pic	Tuner int - replaced at mces
SHARP	C1420	Int trip esp on bright pic	Check r623 1m2 & loptx
SHARP	C1420	Dead with fuse shattered & str40090 s/c	Arcing between tracks on pcb between r711 & r721/r711 & c708/l705 junction
SHARP	C1420	Dead fuse gone + str40090 us	Replace above + clean flux from around r711 , 721 c708 + l705