Sony TV Repair: Common Faults and Solutions.
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Results: 20067
Results: 20067
Sony Repair Guide: Common Issues and Fixes
| Brand | Model | Fault | Detailed Problem | Solution | By |
|---|---|---|---|---|---|
| SONY | BMC550 | Missing part and part number | Need p/n for four screws that fit into ref #374 on page 109.these screws are not shown in the pictorial. -hq comments: the part number for the screws is 7-685-862-09. forscrews bvtt 2.6 x 6. | ||
| SONY | XR740 | Wrong labelling of head pc board switches | On page 41 of s/m for xr-740, 747r, 780 and 787r, thehead pc board switches are labelled incorrectly. your recent s/b #62 hasthem labelled incorrectly. the parts listing on page 41 also has themincorrectly. s701 is on page 41 of the manuals, but you h | ||
| SONY | XR66 | Reference number correction | On page 38 of the service manual for xr-66, and on page 34 ofthe service manual for xr-80 the head pc board switches are labelledincorrectly in the parts breakout and listing below. -hq comments: we will issue a service bulletin. | ||
| SONY | STRAV460 | Volume changes are not linear | Volume changes are erratic and jumpy when trying to changelevels with volume controls. tried changing ic601 to no avail. all otheroperations are ok. i have seen similar problems on model ta-ax520amplifiers also. this is a constant problem. -hq comme | ||
| SONY | WMF1 | Incorrect part number | Part number listed in service manual is incorrect. | ||
| SONY | WM8 | Incorrect part number | Part number listed for the p/b head in service manual isincorrect. | ||
| SONY | STRAV560 | Missing part number | S/m does not list a part number for the front panel. -hq comments: part number for front panel is x-4906-723-1 for str-av560 x-4906-713-1 for str-av760 | ||
| SONY | EVC8U | No eject | Unit would load ok. play tape for a few seconds then stop.ff or rew would run for a short time then stop. when eject was pushed thetape would unthread, but cassette compartment would not come up. the modeswitch was not running, it was staying in the l | ||
| SONY | ITA500 | Low volume on ogm and icm signal to telephone line | Customer complains that ogm and icm volume is low and cannotbe heard if phone line quality is a little low. also, mentioned he isdissatisfied with seizing line with 1 1/2 rings. -hq comments: a modification is presently being investigated to increaseit | ||
| SONY | EVS700U | Intermittently take up after pause released | Item #371 on page 155 of s/m rubbing against a piece ofbad molding beneath it. | ||
| SONY | D7S | Disc will not spin | The unit would not spin the disc. this was caused by thethrust screw coming loose and allowing the rotor to bind. readjustmentresolved the problem. this is becoming a common problem with this unit.depending on how far out of adjustment the thrust scre | ||
| SONY | CCDV8 | No rf output from modulator | All functions worked except there was no rf from the rfmodulator. audio and video lines worked fine. | ||
| SONY | KV1944R | Snowy pix, no sound, replaced ic2006 | Has snowy picture, no sound, no display. power on/off ok,could not tune channels. | ||
| SONY | STRVX750 | Shutdown | Unit would come on for a few seconds and shut off. this wasintermittently. found with signwave input that right on out had ringingand spike on output. found r783 had changed value 39Ω. changed, sameproblem. | ||
| SONY | CCDV8 | Horizontal jitter in playback mode | Unit displayed horizontal jitter in playback mode. | ||
| SONY | CCDM8U | No eject | Capstan and drum rotate erratically during eject mode. | ||
| SONY | WM8 | Head replacement | Above head replaced with p/n 8-829-373-40. difference inphysical size prevents head chassis from returning to stop position. itis difficult to load cassette or eject it. -hq comments: a service bulletin was issued concerning this problem(tape recorder | ||
| SONY | KV8100 | Part failures | End user reports all of their units have had this capfail at least once. sometimes, the other parts in the centering circuithave failed also. -hq comments: to lessen the overcurrent stress on c519/2.2uf/160v, plsuse two 1uf/200v (p/n 1-130-157-00) capa | ||
| SONY | FD2A | Cx20159 dead | Unit came in with dead cx20159. tech replaced it and thiscauses q602 and associated components to burn up. -hq comments: since ic601, q602 are part of power supply circuit weshould first check its most suspect components before turning power on.next, | ||
| SONY | KV1952RS | Intermittently set would come on, replace x2001 | Intermittently set would come on at full volume, and have nocontrol of volume, picture, channel change, and no indicator. sometimesthere would be no sound or control of functions. found x2001 intermittingcausing the microprocessor ic2001 to lock-up. |