Sony Repair Tips
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Results: 20072
Results: 20072
| Make | Model | Symptom | Problem | Solution | By |
|---|---|---|---|---|---|
| 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. | ||
| SONY |
SL2500
|
Ss-10 board change | Old board (ss-10a, p/n a-6715-131-a) uses pcb part number1-605-574-23. new board uses 1-605-574-32. trick and other functions donot work. | ||
| SONY |
D5
|
Play command causes ams to cycle through tracks on disc | Complaint was play command causes ams to cycle through trackson disc till last cut and begin play. preliminary checks showed b+voltages ok. discovered that ff pin 68/ic801 measured 0.6vdc all the timeinstead of 5v. thus mpu was getting ff command all | ||
| SONY |
SL60
|
I0321 recordings and no audio erase | Fuzzy recordings and no audio erase. | ||
| SONY |
SL3030
|
Take-up link sensor out of position | I could load tape manually and then unit would thread tape andoperate normally. found take-up link (#186 on page 9l of the manual, p/n3-684-119-01) sensor out of position, which caused unthread end signal notto be sent to micro. -hq comments: with new | ||
| SONY |
SLHFR90
|
Unit would not load tape | Unit would not load tape. | ||
| SONY |
BMC220
|
Intermittent dew light | Intermittent dew light. customer had brought the unit intofsc twice before the unit finally failed. | ||
| SONY |
SL2300
|
Power light stays on | Pushing of timer record button would cause power light to stay on and the tape would eject. | ||
| SONY |
CFS3000
|
No sound on both channels | Output to headphone is okay, but no output to speakers.i found 3 units with the same problem. |