Troubleshooting
3-8
Samsung Electronics
Progressive outputs
(Y/Pr/Pb) error
Digital Data output at
pin 21~28 in ZIC1?
Digital Data input at
pin 137~144 in PIC5?
Serial Data input at
pin 1, 158, 160 in PIC5.
Digital Data output at
pin 15-27(Pb), pin 28-41(Pr),
pin 43-56(Y) in PIC5.
Check the ZIC1.
Check PL2 ~ PL9.
Check 27MHz osoillation
and change PIC5.
Check PR44, PR46, PR47.
Serial Data input at
pin 2,3,4 in PIC3.
Check the MIC1.
Yes
Yes
Yes
Yes
No
No
No
No
No
Yes
VSW1 video select
switch is up position?
Move the select switch to up position.
No
Yes
F
Digital Data input at
pin 31-43(Pb), pin 19-30(Pr)
pin 7-18(Y) in PIC6.
Digital Data output at
pin 67-81(Pb), pin 82-95(Pr)
pin 47-65(Y) in PIC6.
Digital Data input at
pin 39-48(Pr), pin 14-23(Pb)
pin 1-10(Y) in PIC1.
Check PRP11, PRP12, PRP9, PRP10,PRP3,
PRP5, PR42, PR32, PR39, PR40, PR27, PR26.
No
No
No
Check the control pins 96, 97, 54, 55, 56.
Check PRP8, PRP6, PRP7, PRP4, PRP2,
PRP1, PR41, PR43, PR34, PR31, PR30, PR29.
No
Check the pin.
Pin 13 : "High (5V)"
Pin 12 : "High (5V)"
Pin 37 : about 1.0V
and voltage.
Yes
F
E
Yes
Yes
Video signals output
pin 32(Y), pin 28(Pb),
pin 34(Pr) in PIC1.
Yes
Video signals input pin 3
in PIC8, 9, 10.
No
Yes
Check the connection between
PIC1 and PIC8, 9, 10.
Summary of Contents for DVD-P401
Page 21: ...2 14 Samsung Electronics Disassembly and Reaasembly MEMO ...
Page 30: ...4 1 4 Exploded View and Parts List 4 1 Cabinet Assembly 4 2 Deck Assembly Page 4 2 4 4 ...
Page 35: ...Exploded Views and Parts List 4 6 MEMO ...
Page 43: ...5 8 Samsung Electronics Electrical Parts List MEMO ...
Page 45: ...Block Diagram 6 2 Samsung Electronics MEMO ...
Page 47: ...PCB Diagrams 7 2 Samsung Electronics 7 1 Main COMPONENT SIDE SOLDER SIDE ...
Page 48: ...PCB Diagrams Samsung Electronics 7 3 7 2 Jack ...
Page 50: ...Samsung Electronics 8 1 8 Wiring Diagram ...
Page 51: ...Wiring Diagram 8 2 Samsung Electronics MEMO ...
Page 53: ...Schematic Diagrams 9 2 Samsung Electronics 9 1 Power ...
Page 54: ...Schematic Diagrams Samsung Electronics 9 3 9 2 AV Decoder Main Micom Key ...
Page 55: ...Schematic Diagrams 9 4 Samsung Electronics 9 3 Servo ...
Page 56: ...Schematic Diagrams Samsung Electronics 9 5 9 4 Video ...
Page 57: ...Schematic Diagrams 9 6 Samsung Electronics 9 5 Audio ...
Page 58: ...Schematic Diagrams Samsung Electronics 9 7 9 6 Sub ...
Page 59: ...Schematic Diagrams 9 8 Samsung Electronics 9 7 Front Micom ...
Page 60: ...Schematic Diagrams Samsung Electronics 9 9 9 8 Headphone DVD P701 Only ...
Page 61: ...Schematic Diagrams 9 10 Samsung Electronics 9 9 Key DVD P701 Only ...
Page 62: ...Schematic Diagrams Samsung Electronics 9 11 HOUSING PCB 9 10 Deck ...
Page 63: ...Schematic Diagrams 9 12 Samsung Electronics MEMO ...