Troubleshooting
3-2
Samsung Electronics
No pick-up home positing
SLD, SIC1-34
output is normal?
Check the Sled Motor and connection
Check MIC1
Yes
No
LED+, SLED-
SIC3-32, 33 output are
normal?
Check SIC3
Yes
No
NO LD CD ON
RIC1-21 is 5V?
Current exceeds 0.1A?
LD out pick-up replace.
Open check in related circuit.
Check MIC1
Yes
Yes
Yes
No
No
Divide RQ1 emitter terminal
voltage and 5V real voltage
difference into 10ohm.
B
Summary of Contents for DVD-N501
Page 27: ...4 1 4 Exploded View and Parts List 4 1 Cabinet Assembly 4 2 Deck Assembly Page 4 2 4 4 ...
Page 41: ...PCB Diagrams 7 2 Samsung Electronics 7 1 Main COMPONENT SIDE SOLDER SIDE ...
Page 42: ...PCB Diagrams Samsung Electronics 7 3 7 2 Jack ...
Page 43: ...PCB Diagrams 7 4 Samsung Electronics 7 3 Joy Pad 7 5 Housing 7 4 Deck ...
Page 44: ...Samsung Electronics 8 1 8 Wiring Diagram ...
Page 46: ...Schematic Diagrams 9 2 Samsung Electronics 9 1 S M P S ...
Page 47: ...Schematic Diagrams Samsung Electronics 9 3 9 2 Servo Key ...
Page 48: ...Schematic Diagrams 9 4 Samsung Electronics 9 3 MPEG Decoder ...
Page 49: ...Schematic Diagrams Samsung Electronics 9 5 9 4 Video ...
Page 50: ...Schematic Diagrams 9 6 Samsung Electronics 9 5 Audio ...
Page 51: ...Schematic Diagrams Samsung Electronics 9 7 9 6 Front ...
Page 52: ...Schematic Diagrams 9 8 Samsung Electronics 9 7 Joystick ...
Page 53: ...Schematic Diagrams Samsung Electronics 9 9 HOUSING PCB 9 8 Deck ...