Dicas Reparação SONY




Modelo - Chassis


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(Chassis)
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SonyKV32HSR10
WEAK, BLURRY - RED PICTURE OVERALL, C-302 "A" BOARD Picture significantly darker, blurry and mostly red in color.All CRT operating voltages, are ok. Internal tech. adj., from remote ctl.are all at normal settings and readj. from settings has no effect.
SonyM88V
INCORRECT PART NUMBER - S102 TAPE SPEED SWITCH Part number 1-571-506-21 is an incorrect part number.
SonyM1000
DIFFERENT SERVO BOARD The above unit has a servo board that is different from theone in the schematic. The board contains an IC instead of the discretetransistor. Can you supply any information about this? -HQ COMMENTS: The servo PCB and the Motor are available under one p
SonyCCDV110
NO VIDEO 5V FROM DC TO DC CONVERTER No video 5V from DC to DC converter. This 5VDC line measuredabout 20 Ohm to ground. C-208 was shorted.
SonyKV27XBR50
YOKE SQUEAL, REPLACE WITH P/N 1-451-275-41 TVP SB # 114 Squealing yoke.
SonySTR313
DISTORTED AUDIO ON ONE CHANNEL & IC GETS HOT. Original 8-759-301-25 replaced by 9-919-580-00. Right sideworks with some static. Left side is dead. IC gets very hot. It wasreported this replacement had problems in other models. -HQ COMMENTS: Refer to HiFi S/B No. 0116. As the SI-1125HD has been
SonySLHF600
PLAYBACK SPEED IS TOO FAST This problem may be intermittent. When Playback mode isactivated, caused by item 182 U end not catching a plastic pin at thebottom part of T.U. Sensor. This pin is subject to wear from normalusage. The sensor does not move to the proper position for t
SonySPP110
INCORRECT PART NUMBER The service manual part list indicates IC-207 as part number,8-759-205-06 description TC74HC74F. This is incorrect, IC-207 is partnumber, 8-759-205-41 description TC74HC4066F substituted by part number,8-759-239-25 description TC74HC4066AF. Refer to se
SonyMDP210
NO OPERATION Unit would not play laser discs. Found all LD adjustmentsoff. Aligned and tested unit. Discs played correctly but picture had nocolor.
SonyCCDTR5
INCORRECT PART NUMBER (IC 503) Part number should be 8-752-031-01. See page 234 of theservice manual. -HQ COMMENTS: The correct part number for IC-503 on the VC-60 board is8-752-031-01.
SonySLV70HF
NOISY PICTURE EP MODE ONLY Head output is very low, noisy EP picture.
SonyCFS903
KEYPAD (RUBBER COVER) BREAKS (TEARS) EASILY AND PREMATURELY Sample forwarded for evaluation and pad replaced. A monthlater it had to be replaced again due to breakage. The customer claims noabuse. -HQ COMMENTS: Please reorder the MD Button Packing using the partnumber for the new improved part. The material c
SonyD2
REPLACEMENT ASSEMBLY IDLE GEAR BINDS Replacement assembly idle gear binds. Getting several re-calls in service center. I am enclosing sample unit. This unit binds andskips intermittently. Motor assembly has been replaced in unit. -HQ COMMENTS: Due to design limitations, cost and part s
SonyKV2681R
IC-301 CHIP SUBSTITUTION, CX-20129 TO CX-20193 The original IC-301: CX20129, part number 8-752-012-90 wastemporarily not available. Tried using CX20193 but picture was rollingvertically. Can this chip be used as a substitute? References: Seeservice bulletin CTV0236 and 24. -HQ COMMENTS: When usin
SonyCCDSP7
NO VTR FUNCTIONS Found no VTR functions after loading of tape. Unit doeseject and works fine in camera mode. Unit acts like it is in OFFposition.


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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