Sony Repair Tips
Search: sony
Results: 20100
Results: 20100
| Make | Model | Symptom | Problem | Solution | By |
|---|---|---|---|---|---|
| SONY |
KV1946R
|
Overheat, leaky d012 causing r123 open | R123 overheats and eventually open. | ||
| SONY |
KV1946R
|
Shut down, replaced ic032 | Set would turn off when channel 3 was selected. found signaldistorted out of microprocessor when 3 was pressed. | ||
| SONY |
KV1943R
|
No lock channel and volume, open c001 on m2 board | Set would change channels on its own. also sound would go upon its own. found c001 on m2 board opened. | ||
| SONY |
KX2501
|
No picture, replaced q401 | Picture blanked out, sound ok. found q401 to be leaky. | ||
| SONY |
KX2501
|
Dead, replaced d1206, q652, and q1343 | Intermittent failure of q652 on ga board caused by shortedfactory added zener diode (d1206/rd15eb3) on the k audio board at the 12vline. it also finally destroyed the 12v regulator q1343 on the bd board. | ||
| SONY |
KV5300
|
No tuning operation | The channels would not tune in on this unit. also the channelindicator lamps would occasionally all turn on. we found ic135/lamp driveto be defective. | ||
| SONY |
KV2649R
|
No uhf reception, replace ic002 | Unable to get uhf channels, vhf low, high ok. traced problemto ic002. logic output on pin 2 was +12v, should be 0v. | ||
| SONY |
KV2648R
|
Shut down, replace ic601 | This unit shuts down about every four hours. we found the135v line going high. dm7/ic601 was found to be thermally intermittent. | ||
| SONY |
KV2647R
|
No manual operations, leaky d-2251 | Set could not be turned manually, remote functions ok. ifpower relay was manually closed, the set would operate but the volume andpix would not adjust manually. channels would change ok manually.i observed a large train of pulses on pin 18, ic001. ins | ||
| SONY |
KV2145R
|
Shut down, replaced hvr | This unit had a shut down condition which occurred everycouple of hours. we found the hvr ass'y to be defective. it was crackedat the base. | ||
| SONY |
KV1946R
|
Intermittent audio, replace l202 | Intermittent audio, sometimes would work for a few minutes andsometimes for a week. | ||
| SONY |
KV1941R
|
Poor picture and unable contrast operation, replaced dl301 | Unable to change contrast, picture looked very weak. founddelay line video output low. | ||
| SONY |
KV1915
|
Intermittent dark picture | Picture goes intermittently dark. tap neck and picturereturns. | ||
| SONY |
KV1547R
|
Jail bars in the picture | Black jail bars in video. all waveforms appear normal. | ||
| SONY |
KP7220
|
No blue, replaced crt and d5320 | The stopper diode associated with the blue crt was shortingout about every 30-60 days. we found the problem to be caused by adefective crt. the crt was intermittently shorting. evidently when alarge enough arc occurred the associated transient would d | ||
| SONY |
TV125
|
No turn off operation | Power switch s901 operates by breaking ground connection. inexternal dc mode such as mobile camping trailer installation, unit cannotbe turned off since dc return path is continued thru antenna transformers.camping trailer antenna contacts body when in | ||
| SONY |
KX2501
|
Incorrect purity, resoldered thp-601 | Servicer complained that profeel 25-inch monitor would nothold purity adjustment if it was rotated on bench. other tv's andmonitors in shop had little effect from rotation. distributor duplicatedproblem on another set out-of-box, however auto-degaussin | ||
| SONY |
KX1901
|
Weak video | Very weak video. | ||
| SONY |
KV2648R
|
Hum sound, adj t204 and t205 | Constant 60hz hum heard on audio when hbo or showtime isselected. tone enhance feature on tv boosts hum level even louder. thejerrold jsx3dic cable box does not remove the 60hz am sync pulse off thesound carrier to the tv. if the alignment is not perf | ||
| SONY |
KV2648R
|
No sound, replaced r5038, r5039, ic5004, ic5005 | Set had no sound, found r5038 and r5039 open. also foundic5004 and ic5005 shorted on x board. |