Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
---|---|---|---|---|---|
Sony | XR550R | HEAD ASSEMBLY DOES NOT LOCK IN | Head transport comes in and out continuously. | ||
Sony | D3 | UNIT SHUTS DOWN | Unit starts to play then advances tracks very fast and stops. | ||
Sony | CCDV8AFU | NO ATF | Unit would not lock up on playback. Traced problem to bufferQ106. Base of buffer had no DC. L106 connected to base, other side ofcoil had proper DC, found L106 open. On page 135 of Service Manual, thereis a mistake, diagram shows (2) L106. | ||
Sony | CCDV3 | NEED PART NUMBERS FOR FLAT CABLES (MV-11 BD TO SS-70 BD) | P/N of (2) flat cables from MV-11 board to SS-70 board(see Page 177). -HQ COMMENTS: The part numbers are on Page 185 of S/M.18 Pin 1-558-895-1122 Pin 1-558-896-11 | ||
Sony | CDP310 | INCORRECT PLL ADJ PROCEDURE | Cannot read PLCK during PLL adjustment. | ||
Sony | XR740 | UNIT WOULD LOCK UP WHEN SEEK BUTTON WAS PRESSED | System control lock out would occur when seek button wasdepressed, otherwise all function buttons worked OK. By shutting unit offand then back on, it would work again until seek button was pressed.This symptom was noted on another unit (XR-787R) in the | ||
Sony | XR787R | UNIT WOULD LOCK UP WHEN SEEK BUTTON WAS PRESSED | All functions worked OK until seek button was depressed.Then unit would momentarily search up and then stop. At this time,system control lock out occurred that is, no function button wouldoperate. By shutting receiver off and turning it back on, it wou | ||
Sony | CDP310 | DEFECTIVE OPTICAL DEVICE | Unit will not read TOC or play discs. | ||
Sony | EVS700U | PCM DROPOUT | Dropout occurs during PCM mode. Stereo light flashes. | ||
Sony | KV25XBR | NO PICTURE - SLEEP LIGHT ON | These three units had a mass failure of the velocitymodulation circuit. D1651 shorted and opened the resistors and shortedthe transistors. The C board had dark spots on it around the resistors.The symptoms on these units were only sleep light on with n | ||
Sony | KV2775R | HORIZONTAL SQUEAL BY YOKE | This unit had an intermittent horizontal squeal caused bythe yoke. Attempts at covering the coils with silicone rubber, asinstructed by the Tech. Dept., did not resolve the problem. | ||
Sony | KV1926R | INTERMITTENT CONVERGENCE, CRT | This unit has intermittent convergence caused by the tube. | ||
Sony | HVM302 | NEED P/N FOR FORMER IC3 (DF-BD) - SEE B & W S/B #75 | S/M doesn't show P/N for former IC3 MSM6205GS-K (24 Pin). -HQ COMMENTS: P/N listed in Semiconductor Replacement Handbook is8-759-919-98. We will update this S/B to include this P/N. | ||
Sony | EVA80 | UNIT WOULD NOT LOAD | Unit would not load. Gear retaining clip missing for gearassembly. Could not be found anywhere in the unit. | ||
Sony | CDXR88 | DC-DC CONVERTER | Unit dead. No display. All fuses good. This was the secondunit the customer has had, first unit failed in the same manner. Checkedfor 12 volts OK, 30V OK -5 was 1.13V and -5 OK. Isolated +5 volt linefrom converter. Found no shorts, used bench suppl |