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Sony Repair Tips




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Search: sony
Results: 20100
Make Model Symptom Problem Solution By
SONY CPD1310
Unit is dead Unit is not developing high voltage. low b+ (46v) of d6007(instead of 115v b+) low 17v (2v). decreased value capacitor c6007 330uf/25v.
SONY KV27HFR
Picture blanks out after 1/2 hours This set when first turned on, had a narrow picture aboutone inch each side. then a half hour later picture blanked out. checkedb+. i found 65v instead of 135v. sprayed super freeze on ic681, picturecame back but still narrow.
SONY KV1926R
Picture shifted intermittently, replaced freq. synthesizer When this unit first turned on, picture was fine. sometimean hour later, sometime a half day later picture was shifted.
SONY KV2670R
Picture shrink virtically, ic-301 replaced This tv had a raster shrink virtically (2 inches from topand 2 inches from bottom). vertical size control rv502 had very littleaffect.
SONY KV2786R
Snow in picture, s/m error and wrong type ic-1112 installed Snow in picture. ic1112 could not pass signal. it had beenreplace by a servicer with the wrong part. p/n in s/m is incorrect.it is for an invertor (ic1113) not a ff, which is what servicer installed. -hq comments: we will issue a s/b.
SONY SL5000
P/n for metal plate Need metal plate located beneath ref. no. 105, pg 4-3 of s/m. -hq comments: i removed this part from a defective unit and have sentit to your attention.
SONY KPRM360
R5297 value is incorrect in sm, (4.7k 7 watt) see sb 307 Set operates fine for approx. 20 min., then starts to showflagging at top of picture. investigation of e board revealed thatservicer had changed ic5001 (p/n 8-759-100-60), and r5297. servicerinstalled 4.7Ω 7w resistor as is listed in manual. this v
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.