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MarcaModelo
(Chassis)
SintomaCausaSoluçãoPor:
SonyCCDF70
PART NUMBER FOR (FP-134) FLEX BOARD Need part number for FP-134 flex board. It is the flexboard that goes between SS-93 board and JA-42 board. -HQ COMMENTS: The part number is 162622911
SonySPP90
NO OPERATION No operation. Unit had power.
SonyCFD454
INTERMITTENT SHUTDOWN OF CASSETTE PLAYER Erratic operation of cassette player. There are two commoncauses for this. One is that the Shutoff Lever loses its spring tension.The second is that the Belt (Ref #255) stretches.
SonyKV27HFR
NO COLOR, REPLACE C-508 Pin 12 of IC-301 was about 1 volt DC, waveform was ok. Thehorizontal pulse at this pin is also used for burst flag inside this IC.C-508, connected to pin 12 of IC-301 was leaky.
SonySLV50
EXCESSIVE WOW Unit had excessive wow in EP mode. SP was OK. Measured fowardand back tension, foward(90), backward(40). Found other machines read 150on foward tension.
SonyEVDT1
NO POWER TAPE JAMMED IN UNIT Unit came in with tape jammed in the mechanism. After thetape was removed, the set would not function. The standby lamp was lit at all times when the set was plugged in. No other functions were operable.
SonyCCDF55
NO PICTURE AND SOUND PLAYBACK No picture and sound during playback. Found screw No. 26,page 102 too long which causes FP-247 damage at the middle (open pinNo. 11 and No. 12).
SonyCVPG500
UNIT DOES NOT PRINT The bracket just above reference number 211 on page 105 ofthe CVPG500 service manual was bent at the point where the post goes intoreference number 204.
SonyGV8
DISTORTED VIDEO DURING PLAYBACK Distorted video playback. Record was fine. Appeared tobe loosing sync partially and tearing in picture.
SonyD15
HYPERACTIVE SLED MOTOR CAUSING SKIPPING Skipping - overactive sled motor. Replaced laser, servo ICs,and even boards to no avail.
SonyCCDF55
DISTORTED PICTURE, LOOKS LIKE CLOGGED HEADS Picture looks like bad heads.
SonyCCDF33
NO VIDEO OUT - CAMERA MODE Iris closed, no output from drive IC807. When pin 6 ofIC-807 was taken low, the iris opened.Proper operation of the Iris detect circuit was verified by biasing ONQ-644, Q-611 and Q-609. However, Q-609 collector stayed at 4.8 V.Found R-626 at the emitte
SonyKV20EXR10
CLOCK IS RUNNING FAST, SEE SERVICE BULLETIN 87R1 Clock is running fast, gaining about 1 hour 50 minutes a day. -HQ COMMENTS: Please see Service Bulletin number 87R1 for additionalinformation .
SonyCFSD960
FAST FOWARD SLIPPING When FF a tape from beginning, the movement is smooth. How-ever, the T/U reel gets full, the limiter assembly number 519 looses firmcontact with reel gear number 530. There is gear grinding then eventuallyno more movement. -HQ COMMENTS: Tokyo has been
SonyXR7200
UNIT DEAD Unit dead, tape operates. No display or audio.



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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