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Sony Repair Tips




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Search: sony
Results: 20092
Make Model Symptom Problem Solution By
SONY KV32XBR37
Cannot operate panasonic vcr with tv remote, rmy122 The rmy122 remote that comes with the set can not operate94 model panasonic vcr's. hq comments: the tech. dept. has a limited amount of upgraded rmy122remotes that contain the 94 vcr panasonic codes.
SONY KV32XBR36
Insufficient width, replaced d518 The unit had insufficient width. pin cushion and othergeometry was good. the problem was caused by d518 changing its zenerthreshold. it checked fine with anΩ meter. replacement resolved theproblem.
SONY KV32S15
Vol causes speakers to rattle, added heat shrink to spk post Customer complained of vibrating sound from cabinet at normalprogram volume levels. servicer tried normal fixes of lining bezel withscotch tape and silicone, no help. he was able to duplicate resonance withaudio gen input freq from 100 to 150 hertz. fin
SONY KV27XBR37
Cannot operate panasonic vcr with tv remote, rmy122 The rmy122 remote that comes with the set can not operate94 model panasonic vcr's. hq comments: the tech. dept. has a limited amount of upgraded rmy122remotes that contain the 94 vcr panasonic codes.
SONY KV27TS30
No picture, removed solder bridge between d508 & c536 No picture or audio. when blanking circuit at pin 34 of ic301was defeated, the picture had severe vertical foldover. all inputs tovertical out ic looked normal. found waveform at ic501/pin 3 only 3.9vp-p. dc was 26.2v dc. found solder bridge between
SONY KV27TS29
Unit dead,replaced t605 and r644 Unit dead, r644 keeps opening. solution: found the stand by transformer t605 on d board defective. replaced both r644 and t605.
SONY KV2783R
No video only lines, replaced q101 No video, no signal coming out on ic301/pins 24, 25, and 26which are the rgb signal. voltage on ic301/pin 29 is high, above normal,4.2v this made rgb to mute.
SONY KV25TH
Service policy on this unit Who should service this set? -hq comments: this is the sony trinitron twenty-fifth anniversary 5 inch color tv. servicing of this model is authorized to be done bythe sony factory service centers only. since only
SONY KV25TH
Crt part number incorrect, correct # 8-738-658-05 Crt part number in the service manual is incorrect.
SONY KV2182M9
Loss of brightness, replaced r852 and d852 Dark screen with red cast. voltage on crt under 200vdc.
SONY KV20V50
No uhf, replaced tuner No uhf. checked cable on/off menu which was set tocable off. vhf coverage was ok.
SONY KV20V50
Humming sound from the back, glued metal part of yoke (ba2) The unit has humming sound from the back.
SONY KV20S11
Humming sound from the back, glued metal part of yoke The unit has humming sound from the back.
SONY KV20S10
Humming sound from the back, glued metal part of yoke The unit has humming sound from the back.
SONY KV20M10
Humming sound from the back, glued metal part of yoke The unit has humming sound from the back.
SONY KV2092R
No picture or audio in rf mode, replaced ic104 The symptom looked as if video switching was not taking placeon the u board. when and external video signal was applied to videoin, the signal came through whether or not the tv/video switch wasactivated in video mode. in tv mode display would indicate
SONY KV13EXR90
No picture, replaced ic301 Unit had no picture. sound and high voltage were ok.
SONY KP53S55
Service bulletin #221 error, see new bulletin #221r1 Service bulletin #221 lists the above part number for thismodel with a serial number beginning with 91. when this crt is ordered itdoes not match the one installed in the set. service manual supplement #1lists 8-736-636-05 for this serial no series of
SONY KP46S55
Service bulletin #221 error, see new bulletin #221r1 Service bulletin #221 lists the above part number for thismodel with a serial number beginning with 91. when this crt is ordered itdoes not match the one installed in the set. service manual supplement #1lists 8-736-636-05 for this serial no series of
SONY KP41EXR96
Immediate protect at pwr on, replace c1713 on d board Servicer traced protect signal to d ckt board. finally found shorted c1713, which was a 10uf, 25v tantalum capacitor. since he did not know about factory change, he replaced c1718 with a ceramic .001uf also.