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Sony Repair Tips




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Search: sony
Results: 20105
Make Model Symptom Problem Solution By
SONY STRD1015
Hf buzz on all outputs - add 820pf cap btwn ic631 out & gnd High frequency buzz on all outputs at no volume, more noticable when display dim(sleep timer on). found 3mhz modulated with h/f buzz all around the set (including gnd) especially at ouput of ic631. the ic was getting worm
SONY STRD1015
Front and rear distortion - replaced ic631 Only in theatre mode, when all speakers attached, front andrear channels distorted. ic631 drawing excessive current. easy to checkby removing connector cnp620.
SONY MHC1750
Unit goes into demo mode after a minute - this is normal The unit goes into demo mode automatically when all the disc trays are empty if no key is pressed for more than one minute, see page 10 of owner's manual.
SONY MDS302
Unit inoperative - loosened damper screws Three units came in for different reasons but were inoperativeupon arrival. power will not turn on.
SONY LBTG2000
No power display only works - d1301 cold solder Display lit up but unit had no audio or cd functions. found no dc voltages anywhere. main rectified d1301 cold soldered.
SONY LBTD550
No audio - replaced relay ry1201 Unit has no relay channel external spk only, tracked singal to relay ry1201 when relay clicked it was not outputting the right channel.
SONY HCDH605
Missing tray in cd - replaced tray Unit came in with number 5 disc problem. discovered no tray in #5 tray holder. no evidence of previous servicing just wasn't there. -solutioin: replaced tray, set up ok.
SONY HCDG2000
Remote not working - q322 (au bus) on cd main board shorted Remote not working
SONY HCDD560
No cd, reel motor, or focus - resoldered x101 No cd function, no reel motor, sled motor or focus function.will load cd.
SONY HCDD560
Dead unit - replace f1901, ic1351 and ic1201(power amp) Unit came in dead main fuse open and regulator ic burned.
SONY HCDD250
Cannot switch modes System control ic601 part no in the service manualis 875924806. the replacement is 875928891, desc. mpd78042agf012-3b9, inthe mainframe system. the part that kc is shipping is 875932541, desc.mpd78042agf 022 3b9, and is not comparable.
SONY HCDC605
Low or no audio on left channel of deck a - replace ic401 Unit came in with very low audio output on left channel of a deck. rv311 had no effect on output. only in karaoke mode did l cahnnel equalize with r.
SONY HCDC50U
Intermittant no power up - tighten ground screws Intermittently, the unit will not turn on from front panel power switch (s500). display will light up momentarily then turn off.
SONY HCDC33
Cd tray jammed - removed stuck cd and realign mechanism Cd tray jammed.
SONY HCD541
Cd drawer not opening - replaced ic321 Unit sent in because cd drawer wouldn't open. inspection found that cd display completely lit.
SONY GEN-HIFI
Surround sound test cd now available A surround sound test cd sstcd-1 is now available to aid inthe troubleshooting and/or verification of operation of surround soundequipment.
SONY CDPCA9ES
5 disc changer with whine problem Certain discs cause bu assy to vibrate like a tuning fork.
SONY CDPCA8ES
5 disc changer with whine problem Certain discs cause bu assy to vibrate like a tuning fork.
SONY CDPC85ES
Intermittent shut down - replaced d913 Unit would play perfectly for a time. 5 mins to severalhours. when in failure mode, laser would return to home position andun-chuck the disc. clv motor may also spin rapidly.
SONY CDPC745
Tray motor spinning backwards - replace table motor Ran into this problem 5 times in past 3 weeks. removed traymotor. old motor is installed with lable on motor facing up. if newmotor is installed with label facing up, motor will spin backwards andtray will not function properly.