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| Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
|---|---|---|---|---|---|
| Sony | CDXR79 | INCORRECT PART NUMBER - L403 | The part number listed in the S/M does not come up as valid inthe KCP parts system. What is the correct P/N? -HQ COMMENTS: Tokyo Fax TX-USA91086. Correct P/N for this inductor is1-410-524-41. Refer to Car (CSA-14) Service Bulletin No. 204. | ||
| Sony | KV32XBR10 | SHUT DOWN, REPLACED R-608 ("F" BOARD) | Unit would go into shutdown immediately at power on. Foundthat Q-603 was turning on causing the unit to go into B+ Over VoltageProtection. The B+ was only a slight bit high. The emitter of Q-603measured approximately 1 volt higher than the base. | ||
| Sony | DTC700 | INTERMITTENT REWIND AND FAST FORWARD | Customer complained of intermittent Rewind and Fast Forward.I tried another tape and found no problem. I tried two additional tapesand unit worked ok. With this defective tape, the FF is slightly betterthan Rewind. It will also stop intermittently in | ||
| Sony | GEN-TVP | MISCONVERGENCE - TRIPLE IMAGES | Detroit has seen a couple of units evidencing convergenceproblems after installing a rebuilt 26 tube. Looks like bad HSTAT orbroken spring in Anode connector of CRT. Cause of problem is improperspring installation. It is upside down. | ||
| Sony | TC818M | NO FUNCTIONS/BROKEN PC BOARD | This is the deck section of the MHC-3300. No tape functions.Caused by cracks around Q-704 and Q-702 on Audio board. Board has pre-forations at this point, presumably to aid heat transfer. This weakensit. Sample to follow labeled KV0501. -HQ COMMENTS | ||
| Sony | TCW320 | NO RECORD ON B DECK | No Record on B deck. Traced problem to loose CNP-73B on MDboard. | ||
| Sony | CCDTR5 | RK GOES UNDER SUPPLY REEL AND GETS DAMAGED | RK gear will go under supply reel in Rewind and breaks. Wash-er No. 256 was missing. RK gear was too close to chassis and would gounder supply reel. Also credit W. Taylor with this report. | ||
| Sony | SPP320 | ERROR ON BASE BOARD | Transistors Q-609 and Q-610 are identified in reverse on theBASE board. -HQ COMMENTS: Thanks for the info. The schematic and board layouts arecorrect in the service manual. Q-609 is a PNP, and Q-610 is an NPN.The right transistors are inserted in thei | ||
| Sony | WMF50 | P/N FOR SCREW INCORRECT IN SERVICE MANUAL | The P/N for Ref. 8 on Page 19 of the S/M is incorrect. TheP/N listed is X-3328-616-1 which is referenced to a Bracket, Block Assyfor an MVP-2500 by the KCP system. The part needed is a precision screw+P 1.4x3. | ||
| Sony | CDX7540 | DISPLAY SHOWS UNREADABLE CHARACTERS UPON POWER-UP | When first turned on, display shows unreadable charactersuntil any button is pressed, then display works normally. Noticed thatamp. remote lead was always at 9V, whether the unit was on or off.Found transistor Q-414 partially shorted and physically dama | ||
| Sony | SL2700 | UNIT WON'T PLAY | Unit has no capstan rotation. Pinch solenoid is not activatedand reel motor free run and drum runs normal. Changed IC-602 and 301 onSS-14 board and its still the same. If I manually rotate capstan forchecking FG, I get about 1/4 volts p-p FG signal (s | ||
| Sony | EVS550 | NOISY PICTURE | Unit showed noisy picture on most channels, some channelslooked ok on the EE mode. Looking at the video signal very hard to detectproblem. Scoped voltage lines and could not see anything wrong. Oncloser observation the 12V line had 50mV of white noise | ||
| Sony | SPP170 | UNIT SEIZED LINE GAVE IMPRESSION IT WAS DIALING - WAS NOT | Unit seized line and gave impression that it was dialing butit was not. | ||
| Sony | CDPH300 | NO SOUND FROM CD PLAYER | No sound when CD was being played. Found that analog audiowas going into line amp (IC-224). No audio was coming out of IC. Foundthat there was no -5V on pin 9. | ||
| Sony | TL7 | PART NUMBER OF PAD, EAR | The part number for the ear pad is not listed in the servicemanual. |