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Sony Repair Tips




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Search: sony
Results: 20100
Make Model Symptom Problem Solution By
SONY HST190
Unit will not power on, no display - ic601 defective Unit has shorted b+, because ic601 was defective, when iunsoldered pin 4 and 7 at ic601, regulator voltage became normal.
SONY HCDH50U
Scraping sound on cd - add screw to mech A scraping sound is heard on cd. there is an fpr o3504refering to this problem. we have found that applying pressure on the topof the cd mech resolves the problem.
SONY HCDH1600
After time, cd in/op - icp952 open When i push cd play, after unit reads toc, it plays thefirst song, but the second song won't play. cassette was also in/op.i found resistor fusable icp952 open.
SONY HCDC509
Schematic is wrong/no cd operations - ic404, detached pin While trouble shooting acd off line problem. i went toic841. from the schematic pcb drawing of the ic pg47. the off voltagecomes from pin 9 of this ic but ic841 has no vdd voltage on pin 16 asshown in schematic and pcb drawing. also, pin 9 is drawn in th
SONY DTC75ES
Drop-outs on tape mode on this unit - replaced rf amp Tapes recorded on this unit had drop outs. unit will playback a known good tape.
SONY DTC750
Eats, wrinkles tape -readjust t2 tape guide after mod instl Unit eats (wrinkles) tape (after mod).
SONY DTC700
Drop-outs on tape mode on this unit - replaced rf amp Tapes recorded on this unit had drop outs. unit willplayback a known good tape. - solution: replaced rf amp. -hq comments: this is the first report of a problem with an rf amp sentto the technical dept. we will monitor the part usage and look for anyf
SONY DTC690
Eats, wrinkles tape -readjust t2 tape guide after mod instl Unit eats (wrinkles) tape (after mod).
SONY DTC670
Eats, wrinkles tape -readjust t2 tape guide after mod instl Unit eats (wrinkles) tape (after mod).
SONY DTC59ES
Eats, wrinkles tape -readjust t2 tape guide after mod instl Unit eats (wrinkles) tape (after mod).
SONY DTC57ES
Eats, wrinkles tape -readjust t2 tape guide after mod instl Unit eats (wrinkles) tape (after mod).
SONY DTC300ES
Intermittent dropouts -faulty rf amp Unit exibits interrmitent drop out esp. on self recordings.the output of the rf amp shows that the rf envelopes are offset. 2samples enclosed. -hq comments: ytd 3 pcs of this p/n a2006059a have been ordered.
SONY CDPC705
Skips Unit skips, even after optic has been changed, this modelseems to be very susceptible to shock, much more so then lesser qualityunits. -hq comments: under normal circumstances the unit should not skip.however, if placed in an area where that is prone to
SONY CDPC435
Service manual correction - u/d gear p/n correction The service manual for cdp-c435/c535 is incorrectly printed.the part number for u/d gear (ref# 119) shown as 4-957-286-04.
SONY CDPC335
Broken post on chassis - replace chassis Chassis post broken off used for ref. 3 (lever set).
SONY CDPC322M
Unit locks up - s702 defective When changing discs, unit would intermittently lock up.display would show track one. but laser would not turn on or rotatedisc. pressing track search would restore normal operation. checkedup/open switch s702 voltage was correct in both modes. howeve
SONY CDPC211
Static when playing - ic301 defective Noise in audio output, static with music, i found ic301 on themain board defective (ic301 digital signal processor).
SONY CDP701ES
Pll adj In 1986, kirk vistain wrote a quicker and much easier way ofsetting pll freq., but it is not listed in sdis: #1 short junction of r142 and c132 to ground. #2 put unit into test mode, test sw701 to vs. #3 power on. #4 adjust l201 for 4.3218mhz and rv2
SONY CDP311
Unpredictable operations - replaced ic201 The unit intermittently exhibits unpredictable operations suchas no display or no functions. i checked on ic201 data/clock lines andfound sporadic pulses appear/disappear. i replaced ic201 it took care ofproblems. ic no. 875283806, consumed 14/mtd and 44
SONY BM540
Intermittent, no record - c102 leads touching with cover Customer complained of audio gaps when unit was placed indictate mode and when reviewed, section would have no audio, or gaps indictation.