Dicas Reparação




Modelo - Chassis


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(Chassis)
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SonyMTL10
CAM GEAR OUT OF POSITION Several units did not work out of the box. The problem isthat the main cam gear is not properly positioned. Repositioning the camresolves the problem. -HQ COMMENTS: The main cam gear being out of position may have beencaused by some irregular cassette
SonyCFSF11
PART NUMBER FOR SPLIT GEAR Found split gear on bracket assy head (#424) on two units.I would like separate part # for gear, or is it included in bracket assypart # X-3313-714-0? -HQ COMMENTS: The gear is available separately. The part # is3-313-754-01. Please refer to the T/N
SonyWM7
HEAD BRACKET OUT OF POSITION 1) No audio, noise only. 2) Low volume, audio distorted.3) Low audio, low volume, high pitch noise.
SonyTCU60
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
SonyTCFX77
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.
SonyPSLX510
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
SonyPSLX500
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
SonyHMK3000
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.
SonyCFS300
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:
SonyCFM15
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
SonyCDP200
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
SonyCDP101
NOISE IN LEFT CHANNEL Whistle on left channel. Audible thru headphone output butnot thru line out.
SonyWMF5
MISSING PART NUMBER Unavailable P/N or description in manual for Walkman holster.
SonyWM10
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.
SonyWM10
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


Assistência TécnicaAs dicas apresentadas destinam-se a técnicos de eletrónica, a tentativa de reparação ou assistência sem ter conhecimentos de eletricidade e eletrónica, podem provocar danos mais graves aos equipamentos e, devido a tensões muito elevadas em alguns circuitos, graves danos fisicos que podem constituir um risco em determinadas reparações.

Não arrisque reparar equipamentos com tensões elevadas se não tiver conhecimentos técnicos para o fazer em segurança.

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