SLV-D900E, SLV-D900G - Sony VCR Service Manual (repair manual). Page 67

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7-5
REV. SEARCH DOESN'T
OPERATE
PLAY
OPERATION
PRESS REWIND BUTTON
FOR REV. SEARCH
CHECK CAP F/R LINE
IS CAPSTAN
SPEED CHANGED?
SEARCH
OPERATION
FWD SEARCH
END
CHECK IC601
CHANGE DECK
CHANGE IC601
SEE
(PLAY DOESN'T OPERATE)
NO
(PLAY MODE)
NO
YES
CAP F/R
IC601-25
HIGH
(SEARCH MODE)
YES
NO
LOW
CHECK IC601
H'D AMP/ENV COMP.
CHECK CAPSTAN 
MOTOR
NOISE BAR
LOCKING
ADJUST
A/CE HEAD
NO
(CONTROL PULSE)
IC601-89
NO
YES
YES
YES
(VCR Section)
TURN THE VCR
POWER ON AND
INSERT A TAPE
PRESS EJECT BUTTON
CASSETTE LOADING 
MECHANISM
DOES NOT OPERATE
TAPE DETECTED
CST IN MODE
IC601-74:HIGH(5V)
IC601-75:LOW(0V)
CHANGE IC601
CHECK 
START/END SENSOR
IC601
CHECK 
DM B+ LINE 
CHANGE CAPSTAN MOTOR
NO
NO
NO
YES
IC601-39 (5V)
IC601-38 (0V)
IC601-38 (5V)
IC601-39 (0V)
CHECK
CASSETT LOADING
MECHANISM
YES
YES
NO
CN604-8 (12.5V)
YES
NO
YES
(VCR Section)
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