Sony Repair Tips
Search: sony
Results: 20075
Results: 20075
| Make | Model | Symptom | Problem | Solution | By |
|---|---|---|---|---|---|
| SONY |
HCD541
|
No audio in normal dub, hi speed dub can hear cheeping | In normal dub you cannot hear any audio, but in high speeddub, you can hear a cheeping sound. this sounds like it is reverse ofwhat it should be. is this normal for this model? the servicer has 3units and they all do the same thing. if you play back | ||
| SONY |
DTC700
|
Intermittent noise - added heavy grnd wire | Reference to fpr's # n2566 & n1993. after replacing ic932 thetoshiba regulator still had only 4.7vdc output pin 3. found ground pin 2to be at -0.2vdc.this was caused by resistance in yellow wire from cn931to cn391 and plug/iacks. | ||
| SONY |
CDPC615
|
No display, all other functions normal - repl ic201 | Unit had no display. but functioned normally otherwise.followed -32v line from ic401, it was missing (no -32v) supply voltage wasnormal at ic201 /pin 1 but no -32v at pin 3, pin 4 was noraml -5v. | ||
| SONY |
CDPC435
|
Very intermitent skipping - see s/b hfp 381 | First found the skipping problem very intermittent andreplaced several parts then noticed a whining noise frm mech chassis.resonating like the 100 disc changer mech. | ||
| SONY |
CDPC345
|
Howling mechanical noise coming from inside unit - hfp#381 | Loud howling noise heard from inside unit. but only oncertain cd's and only on some tracks of those cd's. if you press lightlyon spindle motor while it is turning the noise will increase. | ||
| SONY |
CDPC335
|
Skipping during exchange - repl system control ic401 | Unit would mute during exchange cycle. not sort ofmuting/skipping associated with focus or tracking problems. muted for 30secs, installing new system control cpu resolved problem. unit did nothave problem with bu alignment wich requires cpu to be ch | ||
| SONY |
CDPC245
|
Erratic operation, no sled - resoldered sled motor lead | The sled would not operate which caused a vierty of symptomsdepending on whether or not the limit switch was closed. (limit switchmust be closed for proper loading). | ||
| SONY |
XRU330
|
Loses power when cd changer connected (found r238 broken) | When a cd changer is connected to this unit, the power willshut off if the unilink cable is moved. | ||
| SONY |
XR7280
|
Part # correction: q301 (correct #: 8-729-106-60, 2sb1115a) | Found q301 part number 8-729-119-76 was wrong type transistor(2sa1175-hfe, should be 2sb1115a). | ||
| SONY |
XR430
|
Front left channel weak (found c951 defective) | Sound weak and distorted out of front left channel. | ||
| SONY |
XR2300
|
Will not manually reverse tape (b-link selector was missing) | Unit works normally except that the tape will not reversemanually. | ||
| SONY |
XR2100
|
Seek/tune control separates at back | Back of tune control separates from rest of part. | ||
| SONY |
MDXU1
|
No audio output (found q520 and d512 were defective) | Unit plays (mechanism runs ), but has no audio output from md,and there was no reception from the tuner. | ||
| SONY |
EXCD40
|
Does not play discs (fok signal voltage only reaches 1.5v) | The fok line would only rise to ~ 1.5v. problem was caused byic2 (servo ic) loading it down. | ||
| SONY |
EXCD1RF
|
Part # correction: q503 (correct part # is 8-729-204-10) | Found part # for q503 8-729-240-10, was not in system (fipm).looked in semi-conductor replacement handbook and found that the # for2sd1417 is actually 8-729-204-10 (page 700 of 1992 2nd srm). we had thepart in stock and the unit was repaired. | ||
| SONY |
CDXU303RF
|
Part # correction: q503 (correct part # is 8-729-204-10) | Found part # for q503 8-729-240-10, was not in system (fipm).looked in semi-conductor replacement handbook and found that the # for2sd1417 is actually 8-729-204-10 (page 700 of 1992 2nd srm). we had thepart in stock and the unit was repaired. | ||
| SONY |
CDX7580
|
Does not play discs (fok signal voltage only reaches 1.5v) | The fok line would only rise to ~ 1.5v. problem was caused byic2 (servo ic) loading it down. | ||
| SONY |
CDX7560
|
Pll adjustment drifts (found c24 & c25 leaking electrolyte) | Unit would play fine for a few days after pll was adjusted.found c24 and c25 electrolytic capacitors leaking oil to the board.schematic location i, j-10. | ||
| SONY |
CDX7560
|
Does not play discs (fok signal voltage only reaches 1.5v) | The fok line would only rise to ~ 1.5v. problem was caused byic2 (servo ic) loading it down. | ||
| SONY |
CDX7540
|
Does not play discs (fok signal voltage only reaches 1.5v) | The fok line would only rise to ~ 1.5v. problem was caused byic2 (servo ic) loading it down. |