Troubleshooting
Samsung Electronics
3-7
Analog signals
are inputed normally at pin 2, 4, 6,
9, 11, 13 in VIC1(J)?
Power is normal
at pin 1, 28 in VIC1(J)?
Check the connection between
VIC1(M) and VIC1(J).
Check the connection between
VIC1(J) and Emmiter of PQL58.
Yes
No
No
Pin 7, 8 in VIC1(J) is in
Low state?
Yes
No
Video signals of
about 2V appear at pin 16, 18, 20,
23, 25, 27 in VIC1(J)?
Yes
No
Video signals of
about 1V appear at
output jacks?
Check the soldering of
VIC1(J).
Yes
Connect to high.
Check the connection between
VIC1(J) and output jacks.
Check the RCA cable.
Yes
C
Change VIC1(J).
No
No
VIC1(M) ; SAA7128
VIC1(J) ; MM1540
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 ...
