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Sony Repair Tips




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Search: sony
Results: 20100
Make Model Symptom Problem Solution By
SONY CDP200
Will not track disc properly - very sensitive The unit will skip and miss complete tracks.
SONY XR20
Mute problem S802 (mute sw) not operating with every cycle of eject. lub-ing did not help. when lid was removed, it operated ok. with the unitmalfunctioning in tape mode, i loosened front mtg. screw under noise pieceuntil switch clicked on and then sealed screw.
SONY D5
No focus search function Unit would not go into focus search mode, thereafter there wasno operation at all. in the process of troubleshooting, i began lookingfor the trouble at ic506 and ic507. there is little in the way oftechnical data relative to waveforms in servicing this
SONY D5
Defective search and track jump functions After pushing play button, unit moves to highest track ondisc. unit then plays that track. if mode is then switched to search,unit continuously searches forward.
SONY SQD2020
Noise in r ch The unit was making clicking noise in r-ch back output evenwhen the master volume control is minimum.
SONY CDP101
Clicking popping noise Clicking and popping noise: replacement of circ decoder solvedproblem. problem was much easier to recognize and confine to a particularblock of the system using test cd #3, particularly track #5 (200hz/tone).
SONY KV2670R
Set will not shut off with manual, ic-105 memory ic Unit would not shut off with manual. unit could be turned onby manual. remote would turn on/off the set. we have 4 sets with thisproblem on the west coast area.
SONY SL2710
One channel low in hi-fi mode One channel of audio half of the other channel in hifi mode.looking at pin 7 of ic009 p-p amplitude read 1 volt, on pin 1, read 2vp-p.
SONY TC78C
New transport cracked New transport not working. -hq comments: the p/n a-2100-258-a is for tc-78c, not for tc-78cii.there are different parts between the new one and the old one. because ofthis when you repair unit, you have to order each part. there is nowhole tape trans
SONY BMC220
Service manual error Page 5 fig. 1-4 shows incorrect test points for jig hook-up.
SONY CFS300
Incorrect pcb marking of transistor leads B and e leads of q301 are incorrectly marked on bottom ofpcb. diagram of the manual is ok.
SONY D5
Defective optical block ass'y (fop) Unit does not play. clicking noise heard. clicking noisecoming from fop lens hitting disc, fop moving too fast.
SONY CDP101
Noise goes into play mode - oscilation at ic601 1) poping and clicking noises alternating from l/r ch. addedmodification from t/n 0036 - no change 2) upon power up, unit goes intoplay mode. 3) ic601 #7 12vpp at #1 changed ic601/q608/c611/r614 - nochange. changed optical block as last resort - no c
SONY WMF8
Missing part # for a black lever A tech needed a black lever. this lever limits the switchlever 332, however, there is no description and the part # in the servicemanual. -hq comments: the part number for the unlisted part is 3-319-038-01.we will issue a t/n and s/b soon.
SONY CFSF11
Tape transport malfunctions Head rotation gear is cracked. replacement as per tnla0022/trsb #146 is performed. the transport still jams or hangs up inter-mittently in either forward or reverse play modes. -hq comments: head rotation gear has been updated from plastic to aldie-ca
SONY TCFX510R
No functions Various units have come in with functional problems, displayok but no functions.
SONY KV1946R
Dead, replaced c901 Unit blows fuse f602 whenever power is applied. found capaci-tor c901 shorted.
SONY KV1943R
No power on, replace c001 and c003 The unit would not turn on.
SONY BMC110
No p/n for iris motor No part # for iris motor alone. requires lens disassembly torepair.
SONY KV20XBR
No color and hue display, replaced ic107 No color and hue display.