Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
---|---|---|---|---|---|
Sony | TCU60 | CAPSTAN MOTOR REPLACEMENT | The replacement capstan motor assembly is different from theoriginal. In addition to the expected RV1001 speed control potentiometer,there are two additional pots RV1002 and RV1003. -HQ COMMENTS: The gain adj. of the motor assy (X-3564-030-0) has beenc | ||
Sony | TCFX77 | MANUAL CORRECTIONS | The hardwire diagrams for both the TC-FX77 and TC-FX600 haveerrors. The schematic diagrams appear correct. Q504, Q506 are shown asNPN transistors incorrectly, they are PNP. | ||
Sony | PSLX510 | FLICKERING LED | Locked LED will flicker after 15 minutes to 2 hours ofplaying. Heat or cold seems to have no effect. IC101, IC102, IC103 havebeen replaced. Unit is still intermittent. -HQ COMMENTS: Use 100 ohm resistor in place of R284, or put 220 ohm inparallel to | ||
Sony | PSLX500 | ARM MOTOR PRODUCES NOISE ON OUTPUT | Arm motor moves eratically producing a thumping noise in thespeakers, especially audible on low recording or classical records.Tracking error adjustment does not change anything. -HQ COMMENTS: Verified the problem thumping noise, frequency 10-15Hz,becam | ||
Sony | HMK3000 | P/N NOT IN MANUAL | Torque converter for REW and FF motor is not shown on PartsManual. Please supply part # if available. -HQ COMMENTS: Please replace the motor as an assembly X-3564-015-0since the converter (gear) is press-fit. | ||
Sony | CFS300 | REPLACEMENT PARTS HAVE CHANGED | A technician ordered the side plate for the handle with theP/N 3-313-604-00. The new part has different shape and it cannot fitin the handle. -HQ COMMENTS: Production changes have been done on both side plateand handle bar. Please order three parts: | ||
Sony | CFM15 | REPLACEMENT PARTS NOT CORRECT | Customer ordered replacement parts from Kansas City, but partsreceived were not identical to original parts. -HQ COMMENTS: There has been a production change of mechanical trans-port. We will issue a T/N as soon as we get details from Tokyo.Meanwhile p | ||
Sony | CDP200 | MISADJUSTED THRUST SCREW | Intermittently the unit would not eject the disc. We foundexcessive thrust play in the shaft of the chucking motor to be theproblem. This permitted the worm to bind with the chucking gear.Adjustment of the thrust screw resolved the problem. -HQ COMMEN | ||
Sony | CDP101 | NOISE IN LEFT CHANNEL | Whistle on left channel. Audible thru headphone output butnot thru line out. | ||
Sony | WMF5 | MISSING PART NUMBER | Unavailable P/N or description in manual for Walkman holster. | ||
Sony | WM10 | DIFFERENT SIZE WASHERS | When replacing part #358 and #363 you must leave out washer#346 or the unit will not rewind because gears will not mesh. | ||
Sony | WM10 | REPLACEMENT PARTS HAVE BEEN CHANGED | In the course of repair, it was necessary to replace chassisassy, motor P/N X-3315-312-0 Schematic Ref. #363. This part is replacedby chassis ass'y motor P/N A-3133-195-A. 1) No bearing 3-315-387-01 issupplied making it necessary to remove old bearing | ||
Sony | TCFX505R | WORN THRUST BEARING | The unit would intermittently produce large amount of wow &flutter in the reverse direction. We traced the problem to the capstanthrust bearing. The plastic had lost its SPRING and was permittingexcessive thrust play. | ||
Sony | TAV7 | P/N ERROR IN MANUAL | P/N for IC401 is incorrect in manual. IC401 = uPD553C244P/N PER MANUAL 8-759-101-01 = CX10032CORRECT P/N 8-759-101-10 = uPD553C244 -HQ COMMENTS: We will issue a T/N and S/B. | ||
Sony | STRVX550 | PROCESSOR LOST MEMORY | At approx. 30 day intervals, this IC would lock-up in itsprogram and require a manual resetting. This occurred even after itsreset and hold periods had been changed by 0.22mFd capacitors. |