Search: sony
Results: 20077
Make Model Symptom Problem Solution By
SONY HCDH61M
Different part in s/m Service manual lists kss-240a as the optical device, actualtype in the unit is kss-390. -hq comments: we checked service bulletins, tech flashes, s/mcorrections and supplements and cannot find any instance of a kss240acrossing to a kss390. we will have
SONY HCDC70
Extender board jig availability - p/n j-2501-063-a A extender board jig is now available to aid in the repair ofthis model.
SONY HCDC50U
Cd function inop, cd display went out - ic402 defective I pushed the cd function button the display showed cd for3 seconds and disappeared. i found ic402 defective.
SONY CFD757
Unit will not turn on - replace j901, p/n 1-540-009-11. Unit had power for display clock am 12:00 but would notrespond to power switch, i replaced q308 power control drive, no change.so i went to power board, there i noticed the switch inside j901 checkedit and it was open.
SONY CDPC725
High pitched mech ringing from unit - add mod kit weight On certain tracks of some discs (usually middle tracks),mechanism emitted a loud high pitched ringing of approx. 2-3khz. lasertracked while ringing occurred.
SONY CDPC70
Skips - cleaning optics restored operation Unit came in for skipping or intermittent no play. confirmedbad optic 884812711. unit was returned 2 weeks later same problem, skipsintermittently takes long time to play. confirmed adjs. were ok.
SONY CDPC525
Distortion in dsp modes Distortion heard when using jazz club dsp. problem can beduplicated by playing track # 8 of yeds-18 disc (with jazz club selected). -hq comments: the problem occurs because the reverb input pin 92 of cpuic401 is floating in this model (it is connected
SONY CDPC435
Intermittently reading disc - flex cable intermittant The unit would start to play fine than audio would distort andspindle goes high speed.
SONY CDPC325
Static over audio - replaced ic302 Loud static was over normal audio. by looking at data line,it was hard to tell whether noise was induced by ic301, ic302 or ic303.ic302 was the least obvious.
SONY BM88
Auto stop cannot be turned off, replaced ic112 Auto stop function is on all the time even if auto stop switchis set to off position. (this occurs only when mpc is set to electronicindex on mode).
SONY XRU660
No audio from speakers (replaced q523, p/n 8-729-922-47) Found the amp on line pin 9 of cnp501 was not going high toturn on internal amps (pin 4 of ic801 and ic901).
SONY XR5450
No audio (replace ic403, p/n 8-759-820-15) No audio. found audio going into pins 8 and 29 of ic403.then found no audio out at pins 39, 40, 45 and 46. b+ was present atchip.
SONY XR4400
Extender for face plate not available There is no way to troubleshoot the faceplate unit. we needsome sort of an extender for troubleshooting. -hq comments: tokyo has informed us that faceplate extender jigs will beavailable from wrpc sometime in april. -the part number is j-2502-009-4.
SONY CDXU8000
Tel mute comes on by itself (replace d542, 8-719-109-92) Telephone mute comes on by itself.
SONY CDXU300
No functions (replace x601, p/n 1-577-273-11) Unit would not operate or even reset. observed that led fordpt sensor would not turn on. found that crystal x601 was not supplyingsignal to ic601.
SONY CDXU300
Cd does not play when unit mounted vertically Unit accepts cd but will not lock down onto spindle motorplate in vertical position. the d.h. spring becomes bent which allows thedisc to ride on top of plastic guide and not lock properly.
SONY CDXA55RF
"e-99" displayed, may only play disc #1 When play is pressed, e-99 will show up on display resettingunit does not help. some units will play disc #1 and then flash e-99 whenany other disc is selected. noted that right side of md chassis was bentinto/over the x lever assy, jamming it and the
SONY CDXA55RF
No left channel (replace jack board, p/n 1-643-781-11) Unit had no left channel audio. found that pcb trace betweencnj801 pin 12 and cn801 pin 9 open. it appears that the trace was notetched correctly at the factory.
SONY CDX5460
Will not load cd/grinding noise (straighten ref. # 10) When cd is loaded into unit, load will flash for about fiveseconds, and there will be a grinding noise before cd is ejected.
SONY CDX5460
Unit stays in test mode (replace ic501, p/n 8-759-167-49) When powered up, display of unit goes through test modefunction. reset has same effect. when am, fm or cd is selected, unitgoes through corresponding test mode function.