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Sony Repair Tips




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Search: sony
Results: 20100
Make Model Symptom Problem Solution By
SONY ICF7600
No mw/sw The unit had no mw/sw. we found the problem to be an openift-a1 transformer. it was open on the primary side.
SONY WMD6
Intermittently will not enter play We have seen at the ssc a number of wm-d6 that intermittentlywill not engage play. it acts as if the head block is hanging up - whichin fact it is doing. the problem is that the converter board comes looseand intermittently will snag the head lead. th
SONY CDP30
Optical block replacement Servicer ordered p/n as listed in s/m (x-4910-424-1) andreceived this number. upon installation he noted the cp201 connector onthe new block was black and the one on the old block was white. the newoptical block would not operate (laser dead).
SONY CDX5
Intermittent operation X-5 amd x-7 come in with intermittent problems such as theunit attempting to unload the disc while it is playing or the sled is notmoving. these problems have been caused by faulty feed thru on the mainpcb, usually in the loading motor circuit and the s
SONY PSLX235
No tuner or turntable operation in sen-300 system Complete sen-300 system not operating. ta-ax335 provides acto other components, with one winding for the tape deck and another fortuner and turntable. fuse in tuner winding open. jumping across fuse andconnecting all components showed drastic ac line
SONY KV2775R
Voltage of the anode side of d606, about -100v The anode side of d606 is marked -100v on the circuit board.the schematic is marked -33v. you read -100v. which is correct? -hq comments: no. 5 pin of a-10 connector on a board is approx. -100vactually. this voltage is reduced to -33v by r604 (4.7k o
SONY BMC220
Poor video When tape is played back, symptom is heads are dirty, or onehead is missing. found on recording, flexing the board by cn002 i couldmake a head come and go.
SONY SLHF550
Dancing chroma noise Dancing chroma noise approx. 1 1/2 from bottom of screenon 27 monitor, problem only shows up on high grade tapes and is muchmore prevalent running to a video input. -hq comments: the chroma noise is due to interference from the ctl headto the video trac
SONY BMC110
No picture Found dc voltage at g1 (cn505, pin 1, vc-1 bd) about 65vdc(normally -11vdc). vc-1 board check out ok in another unit.
SONY CCDG5
Intermittent no picture Tapping ic6 (rom), cd board, casued problem to occur.
SONY CCDV8AFU
Picture distortion during playback 1) capstan servo would not lock during playback. atf errorvoltage (ic106, pin 25, vi-6 bd) at 4vdc. no output at ic106, pins 11 &12. 2) capstan also stopped intermittently during playback. pin 8 ofcn511, sv-13 bd, not fully extended.
SONY CCDV8AFU
Tape intermittently ejects while threaded when pb is entered 1) tape intermittently ejects while threaded when pb button ispushed (causing tape damage). 1) intermittent capstan rotation during pb.
SONY CCDV8AFU
Cassette door won Locked mechanism using mode selector jig. during loading unitwould intermittently thread fully, then unthread slightly causing pinchroller to repeatedly engage and disengage.
SONY CCDV8AFU
Unit shuts down after cam power is turned on When cam power only or cam + vtr power is turned on, unitshuts down after a few seconds of playback or recording. playback offunction tape indicated no drum lock. self recorded tape appeared locked.
SONY CCDV8AFU
Intermittent no power on Sys. 5v was present, but mode control cpu, ic601, sk-7 bd,would not issue vtr on signal (pin 19).
SONY FD2A
Dead, replaced q602, ic601, t601 Unit was dead. replacing q602 and ic601 restored raster, butsound and picture were weak.
SONY CFSW400
No audio in tape mode No audio in tape mode.
SONY CDXR7
No disc eject During disc eject - disc jammed against the edge of the door and reloads.
SONY SL20
Sub part for ic201 S/m lists ic201 as m54543l (8-759-600-24). the ic that isinstalled in the four units i have inspected is lb1640 (8-759-801-60).the lb1640 ic is a 10 pin ic, and the m54543l is a 9 pin ic. are theseic -hq comments: either one may be used. when using t
SONY XR747R
Part no problem in manual Above part number not in system. looking at fiche i foundpart number a-3217-255-a as correct number for filter assy in xr-747r. -hq comments: the number from the microfiche is correct (a-3217-255-a).a service bulletin will be issued.