Sony RDR-VX521 Service Manual page 116

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CAPSTAN DOES
(VCR Section)
NOT ROTATE
NO
CN604-2
15V
YES
NO
CN604-3
AL 5V
YES
PLACE THE VCR
IN PLAY MODE
NO
CN604-9
3.2V
YES
NO
CN604-5
2.6V
YES
CHECK
CAPSTAN MOTOR
CHECK
B+ IN THE POWER BLOCK
CHECK
5V AT AL5V LINE
IN THE POWER BLOCK
NO
IC601-35
OUTPUT(PWM)
YES
CHECK R607
CN601-33
NO
OUTPUT(PWM)
YES
CHECK
R615, C606, R671
7-20
CHANGE
IC601
CHECK
IC601

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