Hitachi Repair Tips

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Results: 1065

Make	Model	Symptom	Problem
HITACHI	G8Q	Int crackle on sound	Replace c1522 ( 1nf ) c460 ( 100nf ) c454 ( 22nf ) c453 ( 22nf )
HITACHI	G8Q	Int corruption of stored data - all sigs lost & reverts to chan 0	5v supply to txt pcb int lost - coil on back of board in supply from 8v reg ic001 line was dry jointed
HITACHI	G8Q	Int comes on into standby from cold.	Thermistor th902.
HITACHI	G8Q	Int blank screen/snowy/flickering	Ripple on 12v line caused by c932 1000µ corrupting micro
HITACHI	G8Q	Ht high at 165v & won't adjust	Zd941 ref diode bzv10 leaky
HITACHI	G8Q	Horizontal lines when warmed up	Tuner thermally defective
HITACHI	G8Q	Horizontal lines appear when set is warm	Tuner goes thermally defective
HITACHI	G8Q	Field collapse	No supply to ic601 fop chip - r715 1r fusible o/c & chip u/s
HITACHI	G8Q	Excessive width - no e/w coection	D705 , c714 byw96d and 27nf
HITACHI	G8Q	Excess brill / fb lines	200v video supply missing - r720 2r0 o/c
HITACHI	G8Q	Eeprom keeps becoming corrupted	Degaussing positive int arcing
HITACHI	G8Q	Display corrupt	Check q1502/3/4/5 - q1505 was leaky bc548
HITACHI	G8Q	Diagonal bands of interference - esp in txt	C932 470µ 16v
HITACHI	G8Q	Dead with line driver turned fully on and led not	Check around ic1502 ( saa1293 ) for activity if none replace x1501 crystal
HITACHI	G8Q	Dead with blackened mains fuse	Melted pvc tape from degaussing coils touching audio amps heatsink
HITACHI	G8Q	Dead or int start up/off	Start up therm th902 o/c
HITACHI	G8Q	Dead- fuse blackened	Check th902 thermistor
HITACHI	G8Q	Dead apart from tripping	Txt panel dis'd & trip stops - c933
HITACHI	G8Q	Dead apart from chan no.	12v supply only 5v - c933 2200µ 25v
HITACHI	G8Q	Dead after smoking	C715 in e-w cct dry joints