Sony RDR-VX521 - Page 117

7-21
DRUM DOES
NOT ROTATE
CN604-6
12V
CN604-3
5V
CN604-12
2.5V
CHECK
CYLINDER MOTOR
CN601-34 PWM OUT
CHECK 5V LINE
CHECK
12V AT PC12V LINE
IN THE POWER BLOCK
NO
NO
NO
YES
YES
YES
CHANGE IC601
NO
CHECK
R631, R617, R618, C609, C610
(VCR Section)