Sony Repair Tips
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Results: 20072
Results: 20072
| Make | Model | Symptom | Problem | Solution | By |
|---|---|---|---|---|---|
| SONY |
TCFX44
|
Poor freq response | The rec/pb head being supplied for replacement is an8-729-373-40. this head exhibits very poor freq. response in playback.a significant roll off takes place at 6khz. recordings plays back onanother deck are acceptable. we need either the correct head | ||
| SONY |
KV1917
|
Periodic audio muting | The customer complained of intermittent audio muting whenusing the cable converter on ch. 3. the muting lasted less than 1 sec.when it occurred. there was no problem with broadcast ch. 3 and theproblem could not be simulated in the shop with a similar | ||
| SONY |
CDXR7
|
Service manual correction | Pages 43 and 44 of service manual has r714, 715, 717, 724,722 connected to pin 2, ic6. actually they connect on the other side ofl3 to pin 12, ic8. this is a small flaw, but i was told to send it toyou for your reference. also, could you tell me if th | ||
| SONY |
XRM10
|
Service manual error | On page 37, ic371 (la4177) of xam-10 is labeled incorrectly. pin 13 should be pin 2 pin 14 should be pin 1 pin 2 should be pin 13 pin 1 should be pin 14 as shown f | ||
| SONY |
D5D
|
No motion after initial run-up | Will not play discs. disc spins briefly and then stops.disc will not spin at all in service mode. other functions appear normal.found that laser was not coming on due to lid switch contacts being bent(s901). | ||
| SONY |
CDP302
|
Intermittent play | Intermittent play, skips forward, backward, etc. | ||
| SONY |
TTS81
|
Missing part number for motor pulley | We need the p/n for motor pulley on tts-81. see page 23 ofthe manual. -hq comments: the motor pulley is a part of the motor assy (dne-3002a).the part number is a-4608-151-a. | ||
| SONY |
KV5000
|
Video detector assembly part number | Video detector diode (d201) is enclosed in a can with r270and c225. servicer claims that he cannot disassemble the can and wantsto know if part number for the assembly is available. -hq comments: there should be no problem with disassembling the can an | ||
| SONY |
WMF8
|
Part number for new style motor | Old version wm-f8 (as in service manual) uses separate servoamp and motor. new version uses a motor with servo amp mounted on it.the old motor is type dnr6900a, p/n 8-835-105-01. new motor assembly istype dnr5700a. we need the correct p/n for this mot | ||
| SONY |
CFS580
|
Missing part number for lever, panel button | We need the part number for lever, panel button on page 33 ofthe manual. -hq comments: sorry, the part is no longer available. | ||
| SONY |
KV25XBR
|
Distorted right channel audio, replaced ic1108 | Distorted audio, right channel only. | ||
| SONY |
CDP302
|
Mistracking | Mistracks towards end of disc. in addition to alignment,q203 was found to be leaky. also, helpful to repeat tracking alignmentwith number of discs to find medium. -hq comments: when the tracking gain adj. is realigned to several discs,please make sure | ||
| SONY |
WMD6C
|
Irregular speed | Set starts with slightly higher speed than normal. after 3-5minutes, speed changes up and down every 1-2 records. the set came backafter about one week, motor will not stop, and speed was about four timesfaster. | ||
| SONY |
D5A
|
No disc rotation | Screw was broken and the screw head stopped the disc motor. | ||
| SONY |
PSX45
|
Intermittent motor movement | Intermittently motor would go and stop. | ||
| SONY |
KV1357R
|
Signal drift on channels 4 and 5 only, solder splash q101 | After set was on about 4 to 5 hours, the signal would drifton channels 4 and 5 only, ie, severely mis-tuned. i noticed a soldersplash between gate and power supply leads of q-101. when the short wasremoved, we lost channels 4 and 5 completely. all other sta | ||
| SONY |
FD40A
|
Raster distortion when moved within any magnetic field | When unit is moved, distortion occurs in raster, ie, bottom ofthe screen will bend causing distortion in scan lines and the raster willexpand and contract causing a change in size. -hq comments: the symptom you are describing is common to all crts. iti | ||
| SONY |
KV2670R
|
Different ic301, see s/b ctv0236 and tvp0025 | Ic301 in actual set is not the same as in the service manual.manual and schematic say ic301 is a cx-20129. same units actually use acx-20193. these parts are not interchangeable. p/n for cx-20129 is 8-752-012-91 p/n for cx-20193 is | ||
| SONY |
CDP302
|
No display | Machine functioned normally with the exception of having nodisplay. checked filament voltage and inputs and outputs to displaydrive chip and found no problems. | ||
| SONY |
KV25XBR
|
Dead | Unit was dead. no functions. traced problem to shortedd1657 (pin damper diode). |