Sony Repair Tips
Search: sony
Results: 20077
Results: 20077
| Make | Model | Symptom | Problem | Solution | By |
|---|---|---|---|---|---|
| SONY |
SPP57
|
No talk | Base wouldn't receive. this problem was caused by ic-2 beingdefective, therefore, preventing the rf signal from being demodulated andpassed to next stage. voltages were low on ic-2/pins 1 and 2. alsopertains to serial number 24919. | ||
| SONY |
SPP57
|
Range defect | Unit had severe range distortion. b & k analyzer proved thattramsmit and receive were weak in handset. after further investigation, ifound l-601 was cold soldered (could pull one lead out of board). thisprevented rf signal from using the antenna for t | ||
| SONY |
SPP57
|
Distorted audio | Unit had distorted audio and also a range problem. tracedproblem to a cold solder l-602 which was not even through the board. alsopertains to serial numbers 55764 and 24275. | ||
| SONY |
SPP75
|
No tone dial or no microphone | Unit would not tone dial and no microphone out to telco.checked pin 22 of ic-1 and found side tone signal traces through pin 26 ofic-1 down to r-320. found r-320 open. also pertains to serial numbers1351970 and 1086517. | ||
| SONY |
KPR53EX35
|
Spots on crts, open r-519 | Spot on the phosphor of all three crts. | ||
| SONY |
KPR53EX30
|
Spots on the crt's, open r-519 | Spot on the phosphor of all three crts. | ||
| SONY |
KPR46EX35
|
Spots on crts, open r-519 | Spot on the phosphor of all three crts. | ||
| SONY |
SPP75
|
No tone dial | Unit would not tone dial. check for dtmf frequency at pin 18of ic-351. found a single tone coming out of pin 18 instead of a mix oftwo tones to produce the number. | ||
| SONY |
KPR46EX32
|
Spots on crts, open r-519 | Spot on the phosphor of all three crts. | ||
| SONY |
KPR46EX30
|
Spots on crts, open r-519 | Spot on the phosphor of all three crts. | ||
| SONY |
KPR46DX10
|
Spots on crts, open r-519 | Spot on the phosphor of all three crts. | ||
| SONY |
KPR46CX50
|
Spots on crts, open r-519 | Spot on the phosphor of all three crts. | ||
| SONY |
KPR46CX35
|
Spots on crts, open r-519 | Spot on the phosphor of all three crts. | ||
| SONY |
KPR46CX25
|
Spots on crts, open r-519 | Spot on the phosphor of all three crts. | ||
| SONY |
SPP75
|
No mute | When mute is pressed, audio is stopped from going out theline, but some audio is still heard in the handset speaker. found pin 11of ic-601 was not going low. traced line to pin 4 of ic-701 (microphonemute) and found the pin to be going low. found pin | ||
| SONY |
STRGX67ES
|
Unit goes into protect | No ground at cnp503 on the rear amp board. traced ground tovolume board cn509, the ground at this point went nowhere. alsopertains to serial number 809901. | ||
| SONY |
SLVR5UC
|
No playback video | No video when playing back a tape. note: video boards yc-92and yc-93 plug in together. the plug would not stay together just bypressing them back together. the boards had a slight bow causing them tointermittently come apart. the plugs are cn-41 and | ||
| SONY |
EVS3000
|
Excess chroma noise after two hours or more playback | Excessive chroma noise in playback after approximately twohours. | ||
| SONY |
SLV595HF
|
Distorted on screen display. picture ok | On screen display is distorted and drifts horizontally. | ||
| SONY |
CCDSP7
|
Wrong screws for last five months | Supplement no. 1 on page 2 no. 170 3-730-883-01 one of my ser-vicers has been trying to get the correct screws for five months now.kansas city parts has been called numerous times about this. i've calledtechnical department to get this fixed. yesterday |