Dicas Reparação




Modelo - Chassis


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SonyD3
SERVICE MANUAL ERROR Page 14 of S/M shows the 1/2 Vcc test point incorrectly.The correct test point is just slightly to the right on the diagram, andlabelled TP (VC). Please see attached copy of Page 14. -HQ COMMENTS: I wrote a S/B as soon as I talked to you on the phone.
SonyWMF200
MISSING P/N - DOOR LOCK LEVER Need part number for door lock / release lever.
SonyXR47R
MISLABELLING OF POWER PCB Audio power amp IC is declared as IC801 (printed directlyon PCB) yet parts list does not show a IC801. My guess is that this isIC701. Is this supposed to be a TA7271? Installed 8-759-204-35 (TA7271)but unit motor boats. -HQ COMMENTS: The IC should be
SonyKV2145R
MISSING PART NO, D512 8-719-305-15 PC board silkscreening has two reference No.s D512, one isshown on mounting diagram in S/M. However there is no part inserted.The other D512 is inserted between C533 and C534 (see attached) andappears to be a D177 case design. An earlier run (S/N 24852
SonyXRA33
PROBLEMS WITH REPLACEMENT CIRCUIT BOARD AM channel spacing 9kHz FM tuning doesn't work AM stereodoesn't work. Found extra diode in circuit (see attached sheet). FoundC8 bad (shorted). Found L54 bad (incorrect part). (Reason for replacingboard: Extremely intermittent AM tuning problem).
SonyKPR4110
DEAD, REPLACED IC-5001 Dead set. No 135V, +18V and -18V. Replaced DC-DC converter,won't help. Then applied 50V DC to 135V found 0V at Pin 11 IC5001. DC-DCconverter input should be +143V and -143V. Training manual indicated+295 and -205V.
SonyPSLX255
TONE ARM DOESN'T MOVE Slide Arm (473) pin disengages from slot in Clutch Cam Gear(460).
SonyKV2771R
CRACKED BOARD Board cracked and portion of PC board broken off wheresink for IC651 attaches to PC board. -HQ COMMENTS: No physical damage appears on cabinet parts.
SonyHVC2200
BLACK VERTICAL LINE IN PIX Diagonal thin vertical black line about 20 degrees from theperpendicular. It looks as a crack. Would in the monitor face plate. Itis hard to lock and view on a conventional scope as it occurs every otherhorizontal line but can easily be seen in the ex
SonyCCDV110
CCD-V110 FLEX CONNECTORS BETWEEN ME-4 AND CD-18 BOARDS Need these two flex connectors. Are they available? -HQ COMMENTS: These connectors are W702 and W704. We are checking withTokyo on availability and will advise.*Connectors are available in RPC and will be available shortly in KCP.P/N is 1-558-805-12.
SonySLHF1000
CONTROL L AND CONTROL LF COMPATIBILITY Can the SL-HF1000 be used with the RME-50 from control L tocontrol LF. -HQ COMMENTS: The basic PLAY, FF, RWD, EJECT, etc. can be used becausethe command formats for control L and LF are the same. However theediting feature cannot be used because the RM
SonySL250
UNSTABLE PIX, JITTER Poor vertical stability. Low output from IC303 Pin 7(CTL AMP).
SonyBMC550
NO DRUM ROTATION No drum rotation when record button pressed.
SonyCDP510
DISC OVERRUNS OR OVERRUNS REVERSELY Disc overruns because the optical block jams at the innermostlimit. Same as CDP-35/55/65/70/203 etc.
SonyCDP35
WILL NOT READ TOC Unit had been worked on by authorized servicer. Would notfocus correctly or read TOC. All adjustment controls including laserpower on FOP, had been misadjusted. Set RF level to correct value andunit would focus and sping disc at what appeared to be co


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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