Sony Repair Tips
Search: sony
Results: 20092
Results: 20092
| Make | Model | Symptom | Problem | Solution | By |
|---|---|---|---|---|---|
| SONY |
XRU770
|
Reference number correction (ref. 36 and ref. 37) | Ref. #37 in exploded view is listed with part number for rcajack and vice versa for ref #36. so when you order ref. #37 you will getref #36 part which could get confusing. | ||
| SONY |
XRU220
|
Am seek not working & could not reset cpu (reset switch bad) | In seek mode, am just gets one station. fm o.k. unitappeared to need to be reset, but pushing the reset button did notappear to reset the unit. | ||
| SONY |
XRU220
|
No radio audio (found q113 defective) | There was no audio from the radio. found 3v on base andemitter of q113, when in radio and 9v on base and emitter of q113 when intape. | ||
| SONY |
XRU110
|
No display, illumination leds o.k. (found q405 leaky) | Display on unit doesn't light up. control button led's areworking. only lcd panel is off. | ||
| SONY |
XR7300
|
No functions if cd changer connected (replaced bt601) | Unit works fine until cd changer is connected, then nothingworks. | ||
| SONY |
XR5600
|
No power (found cold solder on cnj710) | The units had no power. found cold solder on many of the pinsof cnj904. | ||
| SONY |
XR4420
|
No manual direction change function | Unit would auto reverse at the end of tape on its own, butyou could not manually change direction. locking tab on ratchet wasbroken off, not allowing selector link (b) (ref. 142) to engage it. | ||
| SONY |
XR4420
|
No audio output (found q8 shorted e - c) | Unit had no audio output from tape and radio. found q8shorted from emitter to collector. | ||
| SONY |
XR4420
|
No illumination/ no tape drive (found q5 open) | Unit had no front panel/display illumination and no mechanicalmotion. found q5 was open. | ||
| SONY |
XR3320
|
No audio from speaker oututs (replaced ic101) | Unit had audio from preamp outputs but not from speakeroutputs. | ||
| SONY |
XR3320
|
No audio (found q8 defective) | Unit had no audio. found q8 was shorted between base andemitter. | ||
| SONY |
XR3320
|
No power (found 4 opened traces on main board) | The unit had no power. found 4 open traces. 1. between d933 and jw54 just above r13 2. between pin 20 of ic101 and jr21 3. between jr21 of jw69 4. between jw97 and jw21 just above jw31 **see attached diagram. -hq comments: thanks for send | ||
| SONY |
XR150
|
No audio output from speakers (replace ic801) | Unit had audio out of preamp outputs, but no speaker outputs.ic801 had signal in but nothing out. | ||
| SONY |
XR150
|
Tel mute comes on by itself (found d802 shorted) | The tel mute comes on when fm/am is pressed. found an opentrace between pin #10 of cnp902 and d802. | ||
| SONY |
XR150
|
No motor drive/no tape play (found an open trace) | When tape was inserted in the deck, the motor had no power.found a burned open trace between the emitter of q403 and pin 7 of ic035,just above c415. | ||
| SONY |
XR130
|
No audio out from speakers (replaced ic801) | Unit had audio out of preamp outputs, but not from speakeroutputs. ic801 had signal in but not out. some units had discolorationaround the solder joints, but had not yet damaged the board. | ||
| SONY |
XR130
|
No power (found ic305 defective) | Unit had no power ic305 had only 1.7v on pin 4 and solder wasdiscolored around pins. | ||
| SONY |
XM5540F
|
Blows fuses (found d914 shorted) | Unit keeps blowing fuses. found d914 shorted. | ||
| SONY |
XM4040
|
Unit always in protect (found one lead of thp952 unsoldered) | The protector light was constantly on. checked amplifier pcb,found one led of thp952 thermistor broken inside the sleeve. | ||
| SONY |
XM3040
|
Intermittently in protect (cleaned electrolyte off main mcb) | Unit would intermittently go into protect mode without anyinput or output connections. found c507 leaked electrolyte onto pcb andcaused q505 to bias on. |