Sony Repair Tips
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Results: 20082
Results: 20082
| Make | Model | Symptom | Problem | Solution | By |
|---|---|---|---|---|---|
| SONY |
HSTD107
|
Mech noise when playing tape a or b - retainer rubbing belt | The unit has a loud rubbing sound when either a deck or b deckis running. a visual inspection shows a stiff wire mounted on a screw onthe back of the a deck. the wire, which appears to be a retaining clip isrubbing against belt causing the noise. | ||
| SONY |
HSTD107
|
Deck a eats tape and does not play - belt a1 (#162) fell off | The unit has capstan motion, but does not have upreel motionin deck a. a quick inspection shows that belt a1 (ref# 162) has poppedoff of the pulley. | ||
| 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 |