Service manual

Troubleshooting
5-12 Samsung Electronics
DRUM DOES
NOT ROTATE
PLACE THE VCR IN
PLAY MODE
CN602-4
12V
CYL-SPEED
XT601-18, 19
8MHz
CHECK
CYLINDER MOTOR
CHANGE XT602, C626, C627 CHECK D-PG, D-FG IC601-96.97 CHECK 12V AT PC12V LINE IN THE POWER BLOCK
NO FASTER NO
YES SLOWER YES
(VCR Section)
CAPSTAN DOES
NOT ROTATE
PLACE THE VCR
IN PLAY MODE
CN604-5
10V
CN604-8
AL 5V
CN604-3
2.7V
CN604-4
2.7V
CN601-10
OUTPUT(PWM)
IC601-3
OUTPUT(PWM)
CHECK
CAPSTAN MOTOR
CHECK
R685, R609, C623
CHECK R660, C691
CHANGE IC601
CHECK IC601
CHECK B+ IN THE POWER BLOCK CHECK 5.8V AT AL5.8V LINE IN THE POWER BLOCK
NO NO NO
NO
YES
NO
YES
NO
YES YES YES YES
(VCR Section)