Sony Repair Tips
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Results: 20100
Results: 20100
| Make | Model | Symptom | Problem | Solution | By |
|---|---|---|---|---|---|
| SONY |
KV27XBR15
|
No picture sleep light on, replaced c-500 ("a" board) | Sleep light is on, has no picture. found .7vpp on pin 31 ofic-301 (should be 2 volts). found shorted c-500. -hq comments: when c-500 (on pin 1 of ic-500) shorts, vertical drivesignal will be lost. with the loss of output signal on ic-500/pin 3causes th | ||
| SONY |
KV27XBR10
|
No picture sleep light on, replaced c-500 | Set has high voltage. sleep light is on, but set has nopicture. found .7vpp on pin 31 of ic-301 (should be 2 volts). replacedshorted c-500. -hq comments: when c-500 (on ic-500/pin 1) shorts, vertical drive signalwill be lost. with no output signal o | ||
| SONY |
KV32HSR10
|
No picture sleep light on, replaced shorted c-500, no v | Set has high voltage. sleep light is on, but set has nopicture. found .7vpp on pin 31 of ic-301 (should be 2 volts). replacedic-500 and ic-301 still not working properly. found shorted c-500. -hq comments: when c-500 (on pin 1 of ic-500) shorts, ver | ||
| SONY |
KV27EXR15
|
No picture sleep light on, replace c-500 | Set has high voltage. sleep light is on, but set has nopicture. found .7vpp on pin 31 of ic-301 (should be 2 volts). replacedic-500 and ic-301 still not working properly. found shorted c-500. -hq comments: when c-500 (on pin 1 of ic-500) shorts, ver | ||
| SONY |
KV27EXR10
|
No picture sleep light on, replace c-500 | Set has high voltage. sleep light is on, but set has nopicture. found .7vpp on pin 31 of ic-301 (should be 2 volts). replacedic-500 and ic-301 still not working properly. found shorted c-500. -hq comments: when c-500 (on pin 1 of ic-500) shorts, ver | ||
| SONY |
KV20EXR10
|
No picture sleep light on, replaced c-500 | Set has high voltage. sleep light is on, but set has nopicture. found .7vpp on pin 31 of ic-301 (should be 2 volts). replacedic-500 and ic-301 still not working properly. found shorted c-500. -hq comments: when c-500 (on pin 1 of ic-500) shorts, ver | ||
| SONY |
KV32XBR65
|
Pincushion distortion, cold solder joint d-512 | No horizontal pincushion correction occurring. as received,set had overheated and open l-501, open r-571 and shorted q-505. afterreplacing these, set would work normally for about 30 seconds. q-505would short, r-571 would open sometimes l-501 would op | ||
| SONY |
KV32XBR50
|
Pincushion distortion, coldered solder joint d-512 | No horizontal pincushion correction occurring. as received,set had overheated and open l-501, open r-571 and shorted q-505. afterreplacing these, set would work normally for about 30 seconds. q-505would short, r-571 would open sometimes l-501 would op | ||
| SONY |
KV32XBR15
|
Pincushion distortion, replaced r571,l501,d512 cold soldered | No horizontal pincushion correction occurring. as received,set had overheated and open l-501, open r-571 and shorted q-505. afterreplacing these, set would work normally for about 30 seconds. q-505would short, r-571 would open sometimes l-501 would op | ||
| SONY |
KV27HSR10
|
Pincushion distortion, cold solder joint at damper circuit | No horizontal pincushion correction occurring. as received,set had overheated and open l-501, open r-571 and shorted q-505. afterreplacing these, set would work normally for about 30 seconds. q-505would short, r-571 would open sometimes l-501 would op | ||
| SONY |
KV27XBR50
|
Pincushion distortion, cold solder joint d-512 | No horizontal pincushion correction occurring. as received,set had overheated and open l-501, open r-571 and shorted q-505. afterreplacing these, set would work normally for about 30 seconds. q-505would short, r-571 would open sometimes l-501 would op | ||
| SONY |
XR7180
|
Erratic tape functions and display, no audio | No display, no am, no fm tape runs but just auto-reverses. | ||
| SONY |
MDP210
|
Correction to service manual, rf pll freerun adjustment | On page 130 of the mdp-210 service manual, item 7-9-3, itlists the measurement point as ic-003 pin 70. ic-003 is an 8-pin chip. | ||
| SONY |
SEQ555ES
|
Will not power up | Unit doesn't power up. relay wouldn't close and there was noillumination on front panel. standby supply working. limited activity onkey matrix. seemed micros were not communicating properly. | ||
| SONY |
SLV575UC
|
White streaks - drop outs | The playback picture was full of white streaks and drop-outs.the problem was caused by the static brush on the top of the drum. weused a little emery and a drop of lubricant to resolve the problem. thereis no number in the service manual for this part. | ||
| SONY |
CDPC5F
|
Faulty play | This unit would only play disc in no. one position. it wouldrecognize all discs, but when called to play another it always goes backto position one. | ||
| SONY |
CCDF36
|
Does not rewind with 120 minute tapes | Would rewind 60 min. tapes but not 120 min. tapes. determinedthat slower rotation of reel tables with 120 min. tape let reel fg pulsesgo too low. | ||
| SONY |
CDXR79
|
No functions, all lcd segments illluminated constantly | Unit sent to dallas ssc from authorized servicer who wasunable to cure a disc loading problem. when checked by dallas technician,the unit was inoperative except for lcd segments being lit constantly. ifthe deck is disconnected from the unit all other f | ||
| SONY |
CDPC705
|
Turntable continually rotates | The turntable continually rotated. all front panel controlswere inoperative. we found the problem to be a poor connection at ic-302/pin 42. resoldering resolved the problem. | ||
| SONY |
SLV676UC
|
Threading guide cracked | The left plastic molded threading guide has a crack in it.this causes erratic/no threading. since the threading guide is moldedonto the metal chassis, it is necessary to replace the chassis assembly.this is the fourth report i have received regarding th |