Troubleshooting
Samsung Electronics
9-11
PLAY
NO SERVO LOCK
IC601-93
C-FG
IC601-87
CTL PULSE
CHECK
CTL PULSE AC
LEVEL (SP. SLP:
OVER 1Vp-p)
CHANGE
IC601
CHECK
A/CE HEAD
CHECK
CN604-1
NO
NO
NO
YES
YES
YES
(VCR Section)
CAPSTAN DOES
NOT ROTATE
PLACE THE VCR
IN PLAY MODE
CN604-2
15V
CN604-3
AL 5V
CN604-9
3.2V
CN604-5
2.6V
CN601-3
OUTPUT(PWM)
IC601-10
OUTPUT(PWM)
CHECK
CAPSTAN MOTOR
CHECK R660
CHECK R609
CHANGE
IC601
CHECK
IC601
CHECK
B+ IN THE POWER BLOCK
CHECK PC5V
5V AT LINE
IN THE POWER BLOCK
NO
NO
NO
NO
YES
NO
YES
NO
YES
YES
YES
YES
(VCR Section)
Summary of Contents for SV-DVD40
Page 82: ...Circuit Operating Descriptions 7 7 Fig 7 12 Block Diagram ...
Page 116: ...Circuit Operating Descriptions 7 41 3 Block Diagram Fig 7 38 LA70100M Block Diagram ...
Page 141: ...VCR Deck Operating Description 8 12 Samsung Electronics Fig 8 14 Mecha Timing Chart ...
Page 156: ...Samsung Electronics 11 1 11 Wiring Diagram ...
Page 158: ...Schematic Diagrams 12 2 Samsung Electronics 6 1 S M P S ...
Page 159: ...Schematic Diagrams Samsung Electronics 12 3 6 2 Power Drive ...
Page 160: ...Schematic Diagrams 12 4 Samsung Electronics DT701 6 3 Display Function ...
Page 161: ...Schematic Diagrams Samsung Electronics 12 5 6 4 System Control Servo ...
Page 162: ...Schematic Diagrams 12 6 Samsung Electronics 6 5 A V ...
Page 163: ...Schematic Diagrams Samsung Electronics 12 7 6 6 Hi Fi ...
Page 164: ...Schematic Diagrams 12 8 Samsung Electronics 6 7 A2 NICAM ...
Page 165: ...Schematic Diagrams Samsung Electronics 12 9 6 8 SECAM Option ...
Page 166: ...Schematic Diagrams 12 10 Samsung Electronics 6 9 OSD VPS PDC ...
Page 167: ...Schematic Diagrams Samsung Electronics 12 11 6 10 TM ...
Page 168: ...Schematic Diagrams 12 12 Samsung Electronics 6 11 Input Output ...
Page 169: ...Schematic Diagrams Samsung Electronics 12 13 6 12 DVD AV Decoder ...
Page 170: ...Schematic Diagrams 12 14 Samsung Electronics 6 13 DVD Servo ...
Page 171: ...Schematic Diagrams Samsung Electronics 12 15 6 14 DVD Audio Video ...