Sony Repair Tips
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Results: 20073
Results: 20073
| Make | Model | Symptom | Problem | Solution | By |
|---|---|---|---|---|---|
| SONY |
ITA850
|
Unit continuously siezes and then resiezes the line | Q-101 was not fully saturated, causing the line to be seizedand released continuously. | ||
| SONY |
ITA750
|
Unit continuously siezes and then resiezes the line | Q-101 was not fully saturated, causing the line to be seizedand released continuously. also pertains to serial number 54571. | ||
| SONY |
ITA850
|
Dial tone out of handset and speakerphone was low | Q-105 was leaking e to c dropping the voltage on q-101 andzd-106 in half, from 4.6v to 2.3v. | ||
| SONY |
ITA750
|
Dial tone out of handset and speaker phone was low | Q-105 was leaking e to c dropping the voltage on q-101 andzd-106 in half, from 4.6v to 2.3v. | ||
| SONY |
CFD750
|
No sound on cd | No sound from cd. disc spinning and display counting. ic-704has lh5116na-10 instead of cxk5816m-12l as listed in service manual. | ||
| SONY |
D25
|
Intermittent operation w/ dc-in & bp100, internal battery ok | Unit would not work intermittently. moving dc input cablecaused power to cut in and out. while upside down, unit runs reliably.when sitting flat on bench, power would cut on and off. moving fop sub-chassis slightly would also cause power to cut out. | ||
| SONY |
KV27XBR60
|
Hor. output transistor repeatedly fails, replaced c-525 | The horizontal output transistor would short every five to sixdays. we found the problem to be caused by a defective coupling capacitor(c-525) in the base circuit of the horizontal driver. c-525 wouldintermittently change value which caused the output | ||
| SONY |
GEN-CAM
|
Service tool | When replacing no. 6 tape guide, it is very difficult toloosen the screw that holds this guide in place. by taking the screw-driver bit no. 7-700-752-01 heating it and bending it at a 90 degree angleit is very easy to get to this screw. we did this at | ||
| SONY |
CCDF56
|
No remote operation | Confirmed output of remote, although no remote functions.isolated to poor contact at pin 17 cn-502. | ||
| SONY |
DTC75ES
|
Intermittant stop/tape jam | Intermittantly the unit will stop, lock-up, eat the tape. theproblem was seen more in the beginning of the tape. | ||
| SONY |
DTC75ES
|
Tracking elapsed time on dat head drums | U.s. machines store head drum elapsed running time. i nowrecord these times on all dat workorders. not only does this show howintensely some customers have used their consumer machines (especiallyradio stations and recording studios) but when you repai | ||
| SONY |
KV2775R
|
No tuner control, replace r-1576 on "d" board | The tuner was locked up on channel 2 and it was not possibleto change volume or picture settings. the 5v line supplying the tuner andd/a was 3.5v. this line is developed via regulators q-503 and q-501. thepower supply is the flyback at pin 7. we found the | ||
| SONY |
STRAV920
|
Surround sound shuts down on left channel | The left channel of the surround sound amplifier would quitafter about 10 minutes of operation. the output ic (ic-731) was runningvery hot. we found the problem to be caused by an open decoupling capaci-tor c-739. | ||
| SONY |
KPR46CX25
|
Dead, q601 and q602 shorted, see service bulletin 95r1 | The power supply converters (q-601, q-602) were shorted. thereplacements immediately shorted and r-632 (surge resistor) opened whenpower was applied. | ||
| SONY |
CCDV11
|
Correct p/n for ic-401 | |||
| SONY |
TCW5
|
Will not record; no bias oscillator | The unit would not record. bias oscillator was not running. | ||
| SONY |
SPP100
|
Id numbers on rom ics | The rom id numbers were different in the same package were notthe same id numbers. i will reorder part. -hq comments: the numbers on the rom chips themselves do not indicatethe id code that is written internally. it is a manufacturing code. ifound, a | ||
| SONY |
D11
|
Display window not included with top cabinet | The exploded view on page 24 of the s/m shows the displaywindow as part of the top cabinet (ref. no. 67). this is not the case. | ||
| SONY |
XR350
|
Fm cuts out or fades, fm scan locks up, intermittent | Symptoms include fm cutting out or fading unit locking up infm scan and may be intermittent. | ||
| SONY |
XR7000
|
Fm cuts out or fades, locks up in fm scan, intermittent | Symptoms include fm cutting out or fading unit locking up infm scan and may be intermittent. |