No.52105
AV-48WP74
AV-56WP74
2-24
MAIN PWB CIRCUIT DIAGRAM (10/12) SHEET 10
VOLTAGE (V)
PIN NO.
VOLTAGE (V)
PIN NO.
Q1401
E
C
B
CN1004
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
0
0
0.6
0
0
0
0
0
5.1
31.8
0
0
4.5
4.5
0
0
2.1
3.1
0
0
0
0
28.6
0
0
3.6
0
3.3
0
9
0
0
0
5.1
0
3.1
3.1
0
0.1
3.1
3.1
2.8
0
3
5.1
5.1
0
0.2
0.2
0
0
2.6
2.6
0
4
0
3.3
0
0
0
0
0
0
0.4
4.4
0
0
0
3.9
0
0
0
0
4.5
0
4.4
0
4.4
3.1
10.2
0.1
1.5
0
0.1
2.6
0.1
0
0.1
3
0
3.1
0
5.1
0
0
0
9.6
0
3
3
0.2
0.1
0
3.1
0
3.1
0
0
0
3.3
0
3.3
0
3.3
4.9
0
2.5
2.5
0
0
0
0
0
C1412
C1408
C1420
C1423
R1404
ON_TIM
CN1004
C1407
R1403
R1409
STB_GND
21V
STB_3.3V
32V
BS_5V
BS_8V
CN1GN1
CN1GN2
AUDIO_L
AUDIO_R
AC
BSSTB_7V
TU_POW
LB_PRO
LOB_POW
BS_POW
EE_CDS
REMO
KEY2
KEY1
MECA_SW
A_MU
SDA2
SCL2
AFT2
C/N_AFT1
SDA1
SCL1
RST3
BSD_IR
COMPU
/16
/50
BS8V
BS8V
BSDGND
BSDGND
BSDGND
BS5V
BT30V
GND
GND
AUDIO_L
AUDIO_R
GND
GND
AC_IN
STB3.3V
STBGND
STB7V
TU_POW
GND
GND
GND
GND
GND
GND
9V
3.3V
BS_POW
LOB_POW
LB_PRO
21V
QGC2508C
GND
GND
GND
GND
HDCP_V
GND
GND
GND
COMPU
BSD_IR_GND
BSD_IR
ON_TIM
RST3
SDA0
SCL1
SDA1
I2C_STOP
NC
SCL2
SDA2
A_MU
MECA_SW
KEY1
KEY2
REMO
EE_CDS
A3.3V
5V
AFT2
C/N( AFT1)
COM
V
100
OPEN
OPEN
47
OPEN
OPEN
OPEN
0
GND
GND
GND
GND
OPEN
OPEN
SDA0
HDCP
SHEET 12
SHEET 9
SHEET 3
SHEET 7
SHEET 12
SHEET 1
SHEET 12
SHEET 12
SHEET 9
SHEET 1
SHEET 9
SHEET 10
SHEET 1
SHEET 8
SHEET 9
NOT USE
-M2
MI-COM & DIST M
G CRT SOCK
CN00E
S
DIST BASE BLOCK
GND
R
GND
B
GND
G
VM(GND)