Sony Repair Tips
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Results: 20100
Results: 20100
| Make | Model | Symptom | Problem | Solution | By |
|---|---|---|---|---|---|
| SONY |
STRAV970X
|
Unit goes into protection with high volume on rear amp | Setting the rear amp volume to high causes the protectioncircuit to activate. i connected 8Ω dummy loads to the rear output andthe output clips unsymmetrically with a birdie on the positive half-cyclebefore the bottom half-cycle shows any distortion. | ||
| SONY |
STRGX67ES
|
Unit goes into protection with high volume on rear amp | Setting the rear amp volume to high causes the protectioncircuit to activate. i connected 8Ω dummy loads to the rear output andthe output clips unsymmetrically with a birdie on the positive half-cyclebefore the bottom half-cycle shows any distortion. | ||
| SONY |
STRGX57ES
|
Noise in rear surround channel when no signal present | The rear surround channel has a high frequency hiss presentwhich is most noticeable with the master volume turned up to at least 50%,the rear channel level at 0db and no signal power supply present (ie. betweentracks on a cd). there is also a noticeable buzz | ||
| SONY |
TADM1000ES
|
Cd1 sircs output had no code being output | The cd1 4-pin sircs output jack had no signal coming out ofit. the infrared emitter jack for cd1 also had no output. other sircsoutputs were ok. | ||
| SONY |
XM3040F
|
Part no. for front panel switch/s-501/502/503/504 incorrect | The kcp system cross references the part number for switches-501 listed in the service manual (1-527-753-11) to a crystal oscillator having a/n 1-527-753-00. | ||
| SONY |
CCDTR6
|
Incompatibility of lens block assembly and "vc-81" board | Found that connectors cn-803 and cn-302 on the vc-81 boardof a serial number 116964 camera were of the female type. the same conn-ectors of a different camera same model, serial number 26037 were of themale type. these connectors are for the ccd imager | ||
| SONY |
CCDF45
|
White streaks on vtr playback | White streaks on pb, appears to be an equalization problem. | ||
| SONY |
KV20TS27
|
Clock runs fast, add capacitor | Clock would gain 10 to 12 minutes per day at customer's homeand at shop. this model uses slightly different singe-transistor circuitin ac ref line than is shown in s/b tvp0087. 60hz pulse at ic-101/37 wasclean (no noise), 5vpp, not 50% duty cycle (abou | ||
| SONY |
CCDTR4
|
Eats tapes when rewinding | Unit would eat tapes when rewinding. found arm assembly gearand supply reel table assembly defective (x-3727-952-1) reference no. 207is defective. | ||
| SONY |
KV32XBR75
|
No picture, distorted sound, cold shoulder t-500/pin 2 | Sound was bad and had no picture. located cold solderconnection on pin 2 of t-500 (flyback), also found on the f board, r-603and r-606 open, then found l-601 shorted. | ||
| SONY |
KV13TR24
|
Dead, replaced ic-601 | Unit was inoperable with no functions. traced problem to de-fective ic-601. | ||
| SONY |
ITA4000
|
Can hear audio on speaker with volume control at minimum | Customer complains that even with the speaker volume controlat minimum, he could still hear the incoming caller through the speaker.this was annoying him, as it prevented him from keeping the incoming callconfidential from the other people in the room. | ||
| SONY |
SPP120
|
Phones were cut off | The unit was cutting off all the phones in the house and thephone was not dialing. | ||
| SONY |
EVS900
|
Dead set - no fluorescent display | The unit will not power up. the fluorescent display was out.fuses ps-104 and ps-102 were open. after replacing them, all unswitchedvoltages were normal except the back-up 5v at cn-106 pin 7 on the dt-63board. it read 2.8v. a check revealed that d-114 | ||
| SONY |
CCDF401
|
Vtr shutdown | Unthreads halfway on eject and rethreads, then shuts down. noreel sense on pin 46 of micro ic-506 - ss-136 board. | ||
| SONY |
STRGX57ES
|
Pcb silkscreened incorrectly/part installed backwards | Servicing dealer in west virginia reports three units withgoing into protect after a couple of hours after initial turn on. in allthree units he has found the capacitor symbol silkscreened on thepcb to be the reverse polarity of that shown in the manual | ||
| SONY |
SPP320
|
Motor-boating in audio at base | When battery fully charges (charge) led goes out. motor-boating is heard on wired handset or on speaker phone. spikes are seen atnumerous locations in circuit - likely due to current control problem. | ||
| SONY |
MDP510
|
Service bulletin number vid0106 | This unit and others of this model have already had the modi-fications described in service bulletin no. vid0106 performed (duringmanufacturing). r-161 and c-151 are at the new values and the circuittraces from r-156, r-160 and r-162 to pin 41 of ic-102 | ||
| SONY |
CCDV701
|
No audio | No audio from mic. vtr plays and records. | ||
| SONY |
D11
|
Main board revision | Board in unit does not match schematic. part number on boardis 1-634-649-22. i need part number for dc jack. -hq comments: we will ask tokyo.to tokyo: what is the modification on the main pc board? have you issuedeither a supplement or a revised serv |