Sony Repair Tips
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Results: 20100
Results: 20100
| Make | Model | Symptom | Problem | Solution | By |
|---|---|---|---|---|---|
| SONY |
D34
|
Unit inoperative - open trace (ic801/pin 30 to ic504/pin 24) | The unit does not power up. i found that ic504 and ic801were getting b+. ic801/pin 30 (pcont) must send a low to ic504/pin 24(pc). this enables ic504/pins 16 (vd) and 18 (vref), and the rest of thepower supply circuit would power up and turn the unit on | ||
| SONY |
XR4147
|
Capstan motor speed is not adjustable (use pn x-3364-496-1) | The replacement motor runs too fast. there is no speedadjustment available. -hq comments: tokyo informed us (tx-usa93080) that this motor was madewith an internal mechanical governor to control the speed, which isadjusted at the factory when the motor | ||
| SONY |
STRAV570X
|
Follow up on ground problem on display board | After close scrutiny of the display board and schematic, ifound a discrepency. the schematic shows constant ground plane on displayboard, however, the board layout shows isolated ground plane for cpuic301. why is this so? after checking the board of th | ||
| SONY |
CCDTR81
|
Yellow and blue wires from vc-87 | The original camera vc-87 pcb did not have yellow and bluewires. if the yellow and blue wires are not attached, the focus motordoes not work. where do the yellow and blue wires go after they leave thevc-87 pcb? -hq comments: connect one blue wire from | ||
| SONY |
MPKTR
|
Incorrect part number for pedestal base/see sb csv-3 #310. | The pedestal base number 121 shows part number 1-465-526-11.as pointed out in fpr number o0880, it should be a-6768-368-a. a servicebulletin should be issued. a servicer ordered the part in the manual, andwas shipped the incorrect part after an eight m | ||
| SONY |
ITA505
|
Weak audio in icm and ogm through the speakerphone | The audio out of the speakerphone is weak for icm and ogm. | ||
| SONY |
SPPA20
|
Certain numbers do not register in touch tone mode only | The unit would dial fine in pulse mode but in tone mode,certain rows of buttons do not register on phone tester. i have seen twoother units like this. | ||
| SONY |
SLV585HF
|
No (left) audio on tuner | The left channel would not work on tuner, but it would work ontape pb. | ||
| SONY |
SLV595HF
|
Will not memorize tv channels: replace ic905 on mf140 bd | When using the auto program on cable television, the unitwould not memorize the channels. | ||
| SONY |
DTC670
|
Caution light comes on when loading tape - cn08 unplugged | There was no drum rotation and the caution light comes on. | ||
| SONY |
SLV393
|
No pb/rec. in sp mode: ic802 rp136 bd. | No pb/rec. in sp. ep was fine. | ||
| SONY |
CCDTR31
|
Playback is scrambled/replace upper drum | The unit displayed a very bad playback of self-recorded andpre-recorded picture. | ||
| SONY |
KV20TS27
|
Black lines in picture, replace tuner | The unit has video with black lines overlapping. | ||
| SONY |
KV19TR20
|
Black lines in picture, replace tuner | The unit had video with black lines overlapping. | ||
| SONY |
CPD1304S
|
Intermittently no red | The unit loses red after running for a while. | ||
| SONY |
CCDF55
|
Intermittent take up eats tapes | The torque tape would rise and fall with take-up and would eat the tape. under close observation with the take-up reel removed, i found the reel shaft was bent. | ||
| SONY |
CCDF56
|
Intermittent take up eats tapes | The torque tape would rise and fall with take-up and would eat the tape. under close observation with the take-up reel removed, i found the reel shaft was bent. | ||
| SONY |
CCDF55
|
New video head caused picture to jump/perform sw pos adj | I replaced the head picture which was jumping only on selfrecord. i loaded the line a bad video head. i checked the path withwr51np and it was on, however, i found rf switching pulse too far away by15 microseconds. | ||
| SONY |
CCDTR305E
|
No camera functions/replace l710, vc112p board | Vtr section worked properly. the unit would not function inthe camera mode even though the power supply was on. | ||
| SONY |
CCDTR45E
|
No camera functions/open l142, vc-84 board | The vtr section worked properly but the unit would notfunction in the camera mode even though the power supply was on. zoom didnot function either. since no sync was coming from the camera iimmediately went to the sync generator ic141. there was no 5 |