Sony Repair Tips
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Results: 20100
Results: 20100
| Make | Model | Symptom | Problem | Solution | By |
|---|---|---|---|---|---|
| SONY |
CDP200
|
Disc table motor rotation | Disc table motor turns backwards at high speed at turn on.circuit checked okay back to ic401. found no rfck 1/4 pin 23. checkedrfck output from ic503. no rfck there either. found no clock at pins 15and 16. crystal x501 defective. | ||
| SONY |
KV2680R
|
Dead set, def h drive t-501 causing damages | The unit came in with a shorted horiz. output transistor anddefective b+ regulator package. we found the problem to be caused by adefective horiz. drive transformer. the primary was shorted. | ||
| SONY |
KV2643R
|
Small pix/premature shut down, replaced l810 | The picture was pulled in from the side about 2 inches andwould prematurely shut down. we found l810 to be shorted. | ||
| SONY |
KV2665
|
Sound cuts out, "a" board ic-201 | After the first 15 minutes of operation the sound would cutout. the set could be turned off and on once and continue to operate correctly the rest of the day. also the sound level was somewhat low. | ||
| SONY |
XR65
|
Continuously scans (am) | Unit continuously scans in am mode. | ||
| SONY |
KV2649RX
|
Jig adapter information | Servicer has sylvania (ck-3000) test jigs in shop and wants touse them on kv-2649rx chassis. found the inductor in the jig burned out. -hq comments: the following adapters are available from telematic,108-02, otis ave., corona, ny 11368 (718) 271-5200 | ||
| SONY |
D5
|
Unit would start up and then almost immediately shut down | Unit would start up and then almost immediately shut down.found the -5 volts missing due to defective dc convertor. | ||
| SONY |
SL2700
|
Unit would not record from timer | Customer complains that unit would not record from timer.i verified that when in timer record mode, power would come on but unitwould not start up. found d22 on timer ii board open. | ||
| SONY |
CDP101
|
Audio | Servicing dealer had worked on unit several days. whiletrying to adjust unit, disc would suddenly speed up and then reject. alsosometimes in stop mode, we could hear disc motor running erratically. atfirst, we tried to localize problem to rf section, | ||
| SONY |
CDP101
|
Audio | Dealer complaint was won't accept discs. found that afterinsertion, discs would spin faster and faster until system rejected andtray opened. stop mode adjustment checked ok, rfck 1/4 present on ic201.opening gfs switch caused disc to spin erratically, | ||
| SONY |
STRVX750
|
Audio | Unit doa. replaced power supply inverters. when we switchedto 4-6Ω on sp impedance sw, unit smoked r813 and went dead. furtherinvestigation showed -28vdc supply shorted to ground. | ||
| SONY |
BMC110
|
Pinch roller ass'y | Bmc-110 uses two different pinch roller assemblies, which arenot interchangeable. also the same number is given for the bmc-220. -hq comments: pinch arm block assy (a-6747-230-a) has been substitutedto a new (-b) version. this new (-b) version will au | ||
| SONY |
SL5800
|
Bearing pg 3-10, #426 | Part #3-646-185-00 (bearing) shows as no longer available.please advise if there is a substitute that is not in computer. -hq comments: the bearing, ref 426, is no longer available. when thispart is needed, please order the following parts together: | ||
| SONY |
WMF15
|
No audio | Headphone jack broken. | ||
| SONY |
SL2401
|
Preset volume block | Servicer ordered this part and received a part that fitperfectly but the switches had only three positions, yet this unit is catvready. the microfische shows 1-230-125-00 for the sister set sl-2406. -hq comments: the preset volume block part number lis | ||
| SONY |
CFS77
|
Motor pulley | The pulley being supplied by kc is for a square belt. thepulley required is for a flat belt. kc insists that they are providingthe correct part. please investigate this problem for me. -hq comments: two pulleys are listed under the same ref. no. 455 | ||
| SONY |
SL2700
|
F/l ass | Dealer stock unit is physically damaged. tape transport isbroken. please advise part number for complete assy. -hq comments: a new cassette compartment assembly is now available(p/n a-6751-236-a). we will be issuing a t/n on this subject. | ||
| SONY |
SL2710
|
S/b 164: sound noise during p/b of a timer recorded tape | This mod was installed in these two units and it resolved theproblem. in two other units the mode was installed incorrectly by twodifferent technicians and the units had no beta hifi record. afterinstalling the mod correctly the units worked good. -hq | ||
| SONY |
TCFX500R
|
Interconnecting problem (rm-44 with tc-fx500r) | When these 2 units are hooked together and the remote ffbutton is pushed, the tc-fx500r goes into the rewind mode. -hq comments: the rm-44 is designed for used with components: st-jx44,ta-ax44 and a tape deck (tc-fx44 or 500r). in this set-up, the gnd | ||
| SONY |
STRVX200
|
No memory | No memory. if i held pin 31 high with an external supply thenshut off power to the unit then shut off the external supply the batteryb+ was not loaded down. |