Sony Repair Tips
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Results: 20100
Results: 20100
| Make | Model | Symptom | Problem | Solution | By |
|---|---|---|---|---|---|
| SONY |
TAM50
|
Continuous line connect | With or without power applied, the tams will have continuousconnection with the outside line. this is due to the line switch (q-1)shorted collector to emitter. | ||
| SONY |
TAM30
|
Continuous line connect | With or without power applied, the tams will have continuousconnection with the outside line. this is due to the line switch (q-1)shorted collector to emitter. also applies to serial numbers 60743,24519, 21397, 37987 and 35030. | ||
| SONY |
TAM50
|
Incorrect part number in service manual sp-1 | When ordering part number for sp-1 in service manual, wrongpart is received. the part needed is an 8Ω speaker. the part re-ceived is an 16Ω speaker. it would be helpful if a more accuratedescription of the speaker was given i.e. ac resistance | ||
| SONY |
TAM30
|
Incorrect part number in service manual sp-1 | When ordering part number for sp-1 in service manual, wrongpart is received. the part needed is an 8Ω speaker. the part re-ceived is an 16Ω speaker. it would be helpful if a more accuratedescription of the speaker was given i.e. ac resistance | ||
| SONY |
TAM50
|
Unit cuts off during ogm playback to the caller | When incoming call is received, ogm is activated, but is pre-maturely cut off. this is due to the fact that pin 52 of ic-3 has to beheld low while the ogm is played to the incoming caller. in order forthis to be accomplished, q-4 must be turned on by q | ||
| SONY |
TAM30
|
Unit cuts off during ogm playback to the caller | When incoming call is received, ogm is activated, but is pre-maturely cut off. this is due to the fact that pin 52 of ic-3 has to beheld low while the ogm is played to the incoming caller. in order forthis to be accomplished, q-4 must be turned on by q | ||
| SONY |
TAM50
|
Continuous line connect with power applied | Tam seizes telephone line when power is applied. pin 25 ofic-3 (line on pin) is being held high, which turns on q-2 and q-1,which causes the line to be seized. pin 25 is getting the high from r-241on the (sub board), but r-241, r-242 and q-207 all che | ||
| SONY |
XR170
|
Radio section inoperative after ejecting cassette | The above problem may occur due to a slight misadjustment ofthe small tab on the eject cam lock assy. after ejecting the tape, themisadjustment of the tab allows the carriage assy to drop back down intothe tape-loaded position, which sets s903 (radio/ta | ||
| SONY |
ESR6
|
Radio section inoperative after ejecting cassette | The above symptom may occur due to a slight misadjustment ofthe small tab on the eject cam lock assy. after ejecting a tape, themisadjustment of the tab allows the carriage assy to drop back down intothe tape-loaded position, which sets s903 (radio/tape | ||
| SONY |
XR4057
|
Radio section inoperative after ejecting cassette | The above symptom may occur due to a slight misadjustment ofthe small tab on the eject cam lock assy. after ejecting a tape, themisadjustment of the tab allows the carriage assy to drop back down intothe tape-loaded position, which sets s903 (radio/tape | ||
| SONY |
ESR400
|
Radio section inoperative after ejecting cassette | The above symptom may occur due to a slight misadjustment ofthe small tab on the eject cam lock assy. after ejcting a tape, themisadjustment of the tab allows the carriage assy to drop back down intothe tape-loaded position, which sets s903 (radio/tape | ||
| SONY |
SPP320
|
Different main board in unit | Request updated information or supplement manual on base mainboard which has part number 1-634-940-11 marked on the board. the mainboard that matches the current schematic and is in current spp telephonesare marked 1-632-800-12. -hq comments: to tokyo: | ||
| SONY |
SPP90
|
No power in base of unit | No power in base of spp-90. connection between d-301 and r-401is broken loose. some were never soldered and some just break loose. | ||
| SONY |
TAM50
|
Beep tones during memo or conversation record | Constant or pulsing beep tones during memo record andconversation record. | ||
| SONY |
TAM30
|
Beep tones during memo or conversation record | Constant or pulsing beep tones during memo record andconversation record. also applies to serial numbers 12121, 15230 and27297. | ||
| SONY |
TCFX510
|
Incorrect part substitution - capstan motor | When the above p/n is ordered, it subs to p/n 1-541-745-11.this motor is an eg-530ad2b. it physically fits in the unit with noproblem it is physically the same. however, the motor runs too fast,even with the speed control adjusted to minimum. is there | ||
| SONY |
KV27HSR10
|
No horizontal pincushion correction, crack near fbt/pin 11 | Pincushion adjustment inoperative l-501, r-571, q-505, etc.checked ok. dc voltages on ic-531 ok. replacement of ic-531 did notchange condition. | ||
| SONY |
FD250
|
Static through all stations, open foil | It won't tune to any station, only snow. | ||
| SONY |
KV32XBR50
|
H-stat convergence problem, replaced crt | After about three minutes of operation, horizontal static con-vergence shifts out gradually. | ||
| SONY |
KV1943R
|
Immediate shut down, replaced c-539 | Unit came in dead. after replacing shorted q-901, q-902 andopen f-603 regulated +115vdc read about 130vdc. replacement of ic-601didn't help. scoping tp-91 for ripple found about 4vpp horizontal rate. |