Chapter 1
23
AUDIO CIRCUIT
N O S O U N D
I S T H E R E
A N I M A G E ?
N o
B R E A K D O W N
B E F O R E I C 1 2 0 1
Y e s
A R E I C 1 5 0 2
pins 8, 9, 15, 20
5 V ?
A R E T H E R E
S I G N A L S A T I C 1 5 0 1 ~ 4
pins 1, 2, 3, 5?
A R E I C 1 5 0 6 p i n 2 +5V
& pin 1 +8V
N o
C H E C K I C 1 6 0 6
O R + 8 V L I N E E T C .
Y e s
B R E A K D O W N O F
I C 1 5 0 6
Y e s
B R E A K D O W N O F
I C 1 2 0 1
N o
A R E T H E R E
SIGNALS AT pins
13, 16 ?
N o
Y e s
A R E T H E R E
S I G N A L S A T I C 1 5 0 1 ~ 4
pins 26, 27, 28 ?
Y e s
B R E A K D O W N O F
I C 1 5 0 1 ~ 4
N o
B R E A K D O W N O F
I C 1 6 0 1
I S Q 1 5 0 5
B A S E V O L T A G E
0 V ?
I S Q 1 5 0 6
C O L L E C T O R
V O L T A G E
- 8 V ?
B R E A K D O W N O F
Q 1 5 0 5 O R Q 1 5 0 6
O R D 1 5 0 4
Y e s
I S I C 1 5 0 1 ~ 4
pin 21 V O L T A G E
5 V ?
B R E A K D O W N O F
I C 1 5 0 1 ~ I C 1 5 0 4
Y e s
I S Q 1 5 0 7 , Q 1 5 0 8 , Q 1 5 0 1
C O L L E C T O R V O L T A G E
- 8 V ?
B R E A K D O W N O F
Q 1 5 0 7 , Q 1 5 0 8 , Q 1 5 0 1
N o
Y e s
Y e s
A R E S I G N A L S A T
I C 1 5 0 7 , I C 1 5 0 8 ,
I C 1 5 1 1 , I C 1 5 1 3
pins 1,7 ?
B R E A K D O W N O F
I C 1 5 0 7 , I C 1 5 0 8 , I C 1 5 1 2 ,
I C 1 5 1 4
N o
N o
N o
N o
A R E S I G N A L S A T
I C 1 5 0 9 ,
I C 1 5 1 0 , I C 1 5 1 2 , I C 1 5 1 4
pins 1,7 ?
B R E A K D O W N O F
I C 1 5 0 9 , I C 1 5 1 0 , I C 1 5 1 2 ,
I C 1 5 1 4
N o
B R E A K D O W N O F
Q 3 5 0 3 O R Q 3 5 0 4
Q 1 3 0 6 ~ Q 1 3 1 1
D 1 5 0 4 O R Z D 1 3 0 7
Y E S
N o
Y e s
Y E S
Summary of Contents for DV-P250A
Page 9: ...6 Chapter 1 Rear Panel ACER DVD 5500 ACER DVD 5300 ...
Page 10: ...Chapter 1 7 Acer DVD 5100 Hitachi DV P250E ...
Page 29: ...26 Chapter 1 ...
Page 40: ...Appendix A 37 DEC Board A side Schematics Appendix A ...
Page 41: ...Appendix A 38 DEC Board B side ...
Page 42: ...Appendix A 39 RJK Board A side ...
Page 43: ...Appendix A 40 RJK Board B side ...
Page 44: ...Appendix A 41 FSW MVR FJK Board A side ...
Page 45: ...Appendix A 42 FSW MVR FJK Board B side ...
Page 47: ...Appendix A 44 Exploded Diagram ...
Page 49: ...FSW PWB MVR PWB FJK PWB ...