Dicas Reparação




Modelo - Chassis


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MarcaModelo
(Chassis)
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SonyCFD460
IDLER ASSEMBLY WEARS OUT AFTER FOUR TO SIX MONTHS OF USE This part is highly consumed. Part is failing prematurelyeven after just a small amount of use. -HQ COMMENTS: Also applies to model CFD-750/760.Tokyo has been informed. Your samples have been sent to Tokyo forevaluation. Tokyo has evaluated the samples
SonyCFD455
IDLER ASSEMBLY WEARS OUT AFTER FOUR TO SIX MONTHS OF USE This part is highly consumed. Part is failing prematurelyeven after just a small amount of use. -HQ COMMENTS: Also applies to model CFD-750/760.Tokyo has been informed. Your samples have been sent to Tokyo forevaluation. Tokyo has evaluated the sampl
SonyKPR46XBR15
SERVICE MANUAL CORRECTION (ST VCO ADJUSTMENT) ST VCO adjustment (page 67) step No. 7 does not say what toset STEV data to.
SonyKV27HSR10
BLACK BAND ACROSS TOP OF SCREEN LINES IN VIDEO, FPR N2744 This was a new twist to the bad regulator solder joints.Screen had lines across it, pulled down, and retrace lines. Resolderedthe three regulators and HDT readjusted H Frequency, Vertical height andposition, reset system/mircoprocessor.
SonyKV1222R
NO FUNCTIONS FROM REMOTE OR CONTROLS, REPLACED IC-001 No functions from front panel or remote.
SonyTCWR670
NO AMS No AMS. Traced audio out from AMS circuit to pin 5 of IC-801(AMS IN) and all the other functions worked.
SonyFD510
NO VIDEO, SOLDER BRIDGE BETWEEN IC-201/PIN 14 & C-406 No video. Found solder hair between IC-201/pin 14 andthe ground side of C-406.
SonyCCDTR1
BAD HEAD Looks like bad head. Checked pin 14 of IC-102 had B headRF, checked pin 12 same IC had no RF.
SonyBMC550
IMMEDIATE SHUTDOWN - RV-201 Unit shuts down immediately after pressing Record. Found badspot on drum speed adjustment pot.
SonyCDPH1750
DOES NOT READ DISCS Unit spins disc and servos appear to be working but displayreads No Disc. Found small holes in traces. This is the second oneI've received like this.
SonyKV27XBR95S
TICKING SOUND WHEN CHANNEL CHANGE, NORMAL San Diego SSC home technician informed me of a problem that heis unable to resolve. When channel up/down is used the set produces aticking sound (not popping) through the speakers. -HQ COMMETS: We have a 32XBR95S in our lab. When changing channelsthere
SonyKV27EXR90
VIDEO ADJUSTMENTS DON'T WORK, CHECK ASC CIRCUIT Color, hue, sharpness, brightness, picture: display barchanges but picture does not change. When power turned off, then back on,then picture changes. All else seems ok. True with ASC on or off.IC-101, IC-102, IC-104, IC-301 have been changed. ASC boa
SonySPPD15
NO AUDIO Handset locked in with the base but there was no audio fromhandset speaker. Put the handset in test mode and got static so I decidedto go to the base. After measuring IC3/ pin 2, I found that IC3/pins 2 and3 were not equal and IC3/pin 1 had no voltage.
SonyCDX5180
NO AUDIO, THEN NO CD OPERATION AFTER REPLACING IC-701 Unit had no audio and would not read TOC on disc.
SonyCCDFX710
BLOWS FUSES F-950 Unit would blow fuse F-950 when assembled and all cabinetscrews were tight. Found viewfinder 5 volt line to have frayedinsulation. When screws were tightened on, right case component wouldflow through rotating viewfinder bracket through F-011 sticker t


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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