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Sony Repair Tips




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Search: sony
Results: 20073
Make Model Symptom Problem Solution By
SONY KV1981R
Wrong part number, d491 use 8-719-92-53 Wrong part number. if install diode above it will short outafter overheating.
SONY KPR4620
Screen p/n reversed in s/m, see sb 304 S/m page 87 has the reference numbers for the lenses reversed.the diagram indicates that the fresnel lens is the outer lens and thelenticular lens is the inner lens.
SONY CDXA10
System control would lock up Unit's system control would lock-up with volume on high.no controls operative.
SONY SLHF1000
Rotary transformer Problem indicated a defective video head disc. this wasreplaced but did not solve the problem. additional tests pointed out adefective head drum ass'y.
SONY KV20HFR
Shutdown, replace reg ic681 After warm up 20 min. unit would shut down (power relay wouldopen contacts). shorted return side of relay coil to ground and measuredbase of q602 found 0.2vdc, traced problem b+ regulator, found pin 1 ofdm-36 reading 0.6vdc s/b 1.4vdc.
SONY CDP510
Irregular disc rotation Unit would not play discs. after pressing play, disc wouldspin with loud, irregular thumping noise.
SONY D3
Poor tracking Unit does not track very well. eye pattern looks very poor.
SONY KV2080R
Hi pitch squealing, replace l1507 L1507 causing an objectionable hi pitch squeal.
SONY SLHFT7
Not recording audio Not recording audio on longitudinal track.
SONY KV1948R
Dead, replace d631 and r603 R603 fails after one month of operation due to a missing d631on e-1 board from the factory. this is the second unit with this problem.
SONY CDP110
Roller guide for chucking arm assy comes off Roller guide for chucking arm assy comes off. this rolleris a brown one.
SONY CDP510
Roller guide for chucking arm assy comes off Roller guide for chucking arm assy comes off. this roller isbrown one.
SONY WMF77
Incorrect part no for fwd idler assy P/n for ref. 211 page 26 wm-f77 service manual is wrong.p/n x-3335-724-1 is no given, but this same number is also used asref. 233 same page called chassis assy, mechanism. need correct p/n forref. 211 idler assy.
SONY KPR4150
No raster, no display, sleep light on Set would come on with hi voltage, no raster, no display,sleep light on. found 15vdc missing, trouble was traced to l8, 5.6uhchoke opened.
SONY KV1946R
Dead, replaced c556 Unit was dead, with an external dc power supply, turned on oscilla-tor, connected variac, brought it up to 70vac, output of oscillator wasgood but to the base of driver distorted. found c556 leaky. (also thehorizontal output had shorted and fuse burned.)
SONY PCM701ES
Dead unit Two fuses and transistor bad. replaced parts. all functionsnormal. set unit aside to run. after approx. 3 hrs audio failed thoughmeters still worked. found transistor had gone bad and collector shortedbut on removal of transistor found trace was sti
SONY SL300
Broken s gear Unit came in with broken gear. installed replacement, whichalso broke. -hq comments: i am sending you a new s gear kit. this parts kit will bestocked in the future.
SONY EVC8U
Need to feed mic input to 12 pin cam connector Need to feed mic input to 12 pin cam connector. refer topage 96 s/m. cn113, pin 2 mic cn007, pin 7 cam/linehow to switch to mic? -hq comments: this 12 pin connector is a multi-connector with manyapparent applications. there is a serial control l
SONY LC710
Need plastic piece on charging strap or complete strap Customer needs plastic pieces on lc-710 carrying case. -hq comments: this part as well as the strap is not stocked in japan.the part will have to be removed from a case in stock.
SONY KPR4150
Inverted image, replace lens, see s/b tvp0302 In reference to fpr sept 1, the improved green lens wasinstalled. technician informed me there was a 90% improvement. theinverted image had all but dissappeared. he said that in a total darkroom and only with certain screens an inverted image could be