Sony Repair Tips
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Results: 20088
Results: 20088
| Make | Model | Symptom | Problem | Solution | By |
|---|---|---|---|---|---|
| SONY |
SPPA450
|
No power or test mode on handset | No power handset. checked pins 31, 32, 34 on ic505 found pin31 low. lifted pin and stayed low. have seen this on a number ofsppa250 and 450 units. one of four pins has been stuck low when problemoccurs. problem may also exist on the new q models. | ||
| SONY |
SPPA40
|
Microphone incorrect for handset (no part # for board) | Mk651 microphone is too large for handset. also, small board where mike is located has no part #. | ||
| SONY |
SPPA250
|
No power or test mode on handset | No power handset. checked pins 31, 32, 34 on ic505 found pin31 low. lifted pin and stayed low. have seen this on a number ofsppa250 and 450 units. one of four pins has been stuck low when problemoccurs. problem may also exist on the new q models. | ||
| SONY |
SPPA20
|
Unit would not dial digits 3, 5, 6, 9 - replace x1 | Would not tone dial numbers 3,5,6,9. adjusted rx level andgot numbers 5,9 to work but 3, 6 still did not work. found rx vco freqway off. | ||
| SONY |
SPP62
|
Serial number range for mod | The serial number range for phones mod 100,001 to 111,503. have had many units above 111,503 that have c54 still in unit ex 200314,352736, 325003, 220976, 212916, 160518, 146915, 146102, 142206, 140967,127910, 186598. | ||
| SONY |
SPP2010
|
Unit does not dial, no dial tone - replace ic503 | Doesn't dial, no dial tone. | ||
| SONY |
SCPH1001
|
Intermittent power/internal sparking or burning | Sparks coming from inside unit near ac in jack. found solderconnection broken at jack. 2nd unit i've seen with this problem. | ||
| SONY |
ITID500
|
Intermittent display of id info | Customer complaint of unit dropping or not showing the o inthe ones column of the date. every 10th, 20th, 30th of the month thedate would read 6/1-/95, 6/2-/95, 6/3-/95. customer also stated thatsometimes unit would not display id info at all, though | ||
| SONY |
ITA555
|
Icm playback has low audio level | Icm audio sounded low during playback. audio level at therecord head during record of icm was half the value of comparable unit.the audio out of ic503/pin 10 was normal. -solution : changed the value of r522 from 27k to 1k. audio level isnow correct | ||
| SONY |
ITA4000
|
No call waiting - replace q301, p/n 8-729-804-09 | Flash button would not activate call waiting. also found unitwould not pulse dial. | ||
| SONY |
MDP650
|
Display not working - see pfr # r0111 for details | Display would alsmost work. heating the dc/ac converter circuit would make the display light but very dim. traced problem to defective c102 on fp-746 board. | ||
| SONY |
MDP510
|
Int. may not work - replaced ref # 167 p/n 1-574-648-11 | Unit has a very intermittent problem. it may work fine for several days and then not work at all. the flex cable to the optical unit may develop cracks that are hard to see. pushing on the cable with a cd in the unit whil | ||
| SONY |
MDP500
|
Replacement caps shorted | New replacement capacitors shorted. the 1000uf 6.3v caps off the 5v lines on md-712 & ps-716 boards are shorting. this is the second unit that was returned with shorted new caps. | ||
| SONY |
MDP333
|
Int. may not work - replaced ref # 167 p/n 1-574-648-11 | Unit has a very intermittent problem. it may work fine for several days and then not work at all. the flex cable to the optical unit may develop cracks that are hard to see. pushing on the cable with a cd in the unit whil | ||
| SONY |
MDP1100
|
Int. may not work - replaced ref # 167 p/n 1-574-648-11 | Unit has a very intermittent problem. it may work fine for several days and then not work at all. the flex cable to the optical unit may develop cracks that are hard to see. pushing on the cable with a cd in the unit whil | ||
| SONY |
TCW365
|
No display lights - reattached display cable | No display lights. | ||
| SONY |
TCK461
|
High wow & flutter | High wow & flutter. | ||
| SONY |
STRGX900ES
|
No sound in sound field modes - replaced ic404 | The unit will not work with the sound field modes, only withthe direst pass on. traced active digital signal to input of ic404.output pins 25 &27 produced only square waves. | ||
| SONY |
STRGX900ES
|
Right channel not working - resolder rv502 | Rv502 balance control had bad solder, no right signal to volume. | ||
| SONY |
STRD665
|
Unit in protect - reconnected vol board | Found volume m board disconnected for main board. |