Dicas Reparação SONY
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| Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
|---|---|---|---|---|---|
| Sony | CDP302 | SOLDER CONNECTIONS | Bad solder connections on the IC201 and IC308 chips. Somepins were never soldered. Different pins at different times. That wasthe only problem. -HQ COMMENTS: No FPRs, but I have heard about some bad solders on IC307.Will report to Tokyo. | ||
| Sony | KV1961 | MISSING P/N FOR VHF CHANNEL NUMBERS, X-4365-202-1 | Missing part number for VHF channel numbers. -HQ COMMENTS: The VHF channel numbers come with Holder Ass Label'(P/N X-4365-202-0). | ||
| Sony | SLHF300 | TAPE DAMAGE | This unit had distorted audio and lower edge of tape waswrinkled. Pinch roller rubber was machined wrong. | ||
| Sony | EVS700U | CLOGGED HEAD | This unit had a snowy picture. | ||
| Sony | XR85 | NO EJECT CASSETTE | H.G. Brix Co. reported these units would not eject tape. Hereports many problems with this. | ||
| Sony | CFS9000 | HEAD WOULD NOT ENGAGE | Head bracket assy (X-3319-204-1) was broken on the headrotator. | ||
| Sony | CCDV8 | NOISE BAND IN PLAYBACK MODE | Noise band at bottom of picture. Grease was found on pinchroller and #4 and #5 guides. | ||
| Sony | KV1770R | NO SYNC | No sync. | ||
| Sony | SLHF600 | WRONG PART # FOR HEAD | Upon looking up P/N for the head disk assembly on Page 130 inthe S/M Ref. #255, it lists P/N as being A-6762-177-A. This is incorrectsince it is only a 2 head disc according to the fische. It showsA-6762-178-A as being the correct P/N for this model. | ||
| Sony | CCDV8 | NO FUNCTIONS | This unit would power up but not engage any functions. Wefound the M switch to be jammed. Replacement resolved the problem. -HQ COMMENTS: So far we have not seen many reports of defective modeswitches. | ||
| Sony | SLHFR60 | BEAT LINES WITH CABLE | In E-E mode, unit would operate normally on an off airsignal. When operated on cable TV there were several beat lines inpicture. | ||
| Sony | XR65 | INTERMITTENT SQUEAL ON FM | Intermittent squeal, FM only. | ||
| Sony | STRVX300 | BOARD LAYOUT INCORRECT IN THE MANUAL | Functions won't switch. Servicer trying to check IC502 andsays that the hook-up is different from the manual and that the board issilk-screened differently. He says Pin 6 goes to ground and Pin 8 isgoing to B+ on his board. -HQ COMMENTS: The board ove | ||
| Sony | KPR4150 | NO TURN ON | When power is turned on, only sleep light would come on.Found F3 (2.5A) fuse blown. At full voltage, the +18 volt line draws2.4A. At normal voltage, the +18 volt line draws 1.5A-2A. At lowvoltage, the +18 volt line draws 1.0A. After fuse replacement | ||
| Sony | KV1952RX | RETRACE LINES AND SLIGHT FOLD-OVER AT TOP OF RASTER | Retrace lines and slight fold-over at the top of the raster.Dealer called me regarding this problem, also intermittent. |