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Troubleshooting
5-5
Samsung Electronics
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)
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)
Summary of Contents for SV-DVD3E
Page 7: ...Product Specifications 2 2 Samsung Electronics MEMO ...
Page 39: ...Troubleshooting 5 20 Samsung Electronics MEMO ...
Page 49: ...Exploded View and Parts List 6 10 Samsung Electronics MEMO ...
Page 60: ...Samsung Electronics 8 1 8 Block Diagram ...
Page 61: ...Block Diagram 8 2 Samsung Electronics MEMO ...
Page 63: ...PCB Diagrams 9 2 Samsung Electronics 9 1 VCR Main COMPONENT SIDE ...
Page 64: ...PCB Diagrams 9 3 Samsung Electronics CONDUCTOR SIDE ...
Page 65: ...PCB Diagrams 9 4 Samsung Electronics 9 2 DVD Main COMPONENT SIDE SOLDER SIDE ...
Page 66: ...PCB Diagrams 9 5 Samsung Electronics 9 3 Function Timer COMPONENT SIDE CONDUCTOR SIDE ...
Page 67: ...PCB Diagrams 9 6 Samsung Electronics MEMO ...
Page 70: ...Schematic Diagrams 10 3 Samsung Electronics 10 1 S M P S ...
Page 71: ...Schematic Diagrams 10 4 Samsung Electronics 10 2 Power Drive ...
Page 72: ...10 3 Function Timer Schematic Diagrams 10 5 Samsung Electronics ...
Page 73: ...Schematic Diagrams 10 6 Samsung Electronics 10 4 System Control Servo ...
Page 74: ...Schematic Diagrams 10 7 Samsung Electronics 10 5 A V ...
Page 75: ...Schematic Diagrams 10 8 Samsung Electronics 10 6 Hi Fi MTS ...
Page 76: ...Schematic Diagrams 10 9 Samsung Electronics 10 7 Input Output ...
Page 77: ...Schematic Diagrams 10 10 Samsung Electronics 10 8 A2 NICAM ...
Page 78: ...Schematic Diagrams 10 11 Samsung Electronics 10 9 OSD VPS PDC ...
Page 79: ...Schematic Diagrams 10 12 Samsung Electronics 10 10 SECAM ...
Page 80: ...Schematic Diagrams 10 13 Samsung Electronics 10 11 TM ...
Page 81: ...Schematic Diagrams 10 14 Samsung Electronics 10 12 DVD Main Micom AV Decoder ...
Page 82: ...Schematic Diagrams 10 15 Samsung Electronics 10 13 DVD Servo ...
Page 83: ...Schematic Diagrams 10 16 Samsung Electronics 10 14 DVD Audio Video ...