No.52105
AV-48WP74
AV-56WP74
2-14
MAIN PWB CIRCUIT DIAGRAM (5/12) SHEET 5
1.0Vp-p
[H]
2.0Vp-p
[H]
IC1501-44
2.8Vp-p
[H]
IC1501-47
IC1501-22
VOLTAGE (V)
PIN NO.
VOLTAGE (V)
PIN NO.
VOLTAGE (V)
PIN NO.
VOLTAGE (V)
PIN NO.
IC1501
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
IC1502
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
3.9
4.5
3.9
4.5
4.4
0
5.0
4.4
4.5
3.9
4.4
4.4
0.4
0
3.9
4.4
4.4
4.4
4.4
0.1
5.0
0
4.4
3.9
4.4
4.4
0.1
5.0
4.5
3.9
4.5
0
4.0
4.0
0
0.1
4.4
4.5
3.7
4.5
3.5
9.1
4.5
6.6
4.5
3.8
4.4
0
6.3
4.5
4.4
4.5
6.2
4.5
4.5
5.6
0
4.3
4.4
5.3
4.4
4.4
5.2
4.5
0
4.0
4.0
0
0
0
5.1
0
0
0
0
0
5.1
0
0
5.1
Y1501
Y1504
Y1503
Y1502
L_BSA
L_BSD
R_BSA
R_BSD
D1594
D1593
V3
L3
MON_R
R3
MON_L
MON_V
MON_Y
MON_C
V_BS
C_BSD
Y_BSD
S2
R2
S2_2
L2
V2
C2
Y2
V_RT
L1
S1
Y_BSDGND
R1582
IC1501
R1
D1596
R1524
V1
S2_1
C1
Y1
R1530
R1561
R15
R1562
C1532
R1560
Q1531
R1521
R1538
R1539
R1577
R1520
R1578
R1579
R1523
R1525
R1537
R1536
R1535
D1595
R1522
R1526
R1527
R1528
R1529
C1519
R1534
R1533
R1519
R1518
R1517
R1516
R1515
R1514
Y3
RV3
C3
S2-3
S-3
V4
LV4
Y4
RV4
C4
S2-4
S-4
LV5
V5
RV5
ADR
YIN1
BIAS
CIN1
LOUT1
VOUT1
ROUT1
TRAP1
YOUT1
VGND
COUT1
LV5
V6
RV6
LTV
TV
RTV
CXA2069Q
MA8100/M/-X
/50
QETN1HM
MA8100/M/-X
V1
LV1
Y1
RV1
C1
S2-1
S-1
V2
LV2
Y2
RY2
C2
S2-2
S-2
V3
LV3
SCL
SDA
AGND
DC_OUT
COUT3
LOUT3
YOUT3
ROUT3
VOUT3
VCC
LOUT2
V/YOUT2
ROUT2
TRAP2
COUT2
MUTE
S2-2
/25
QETN1EM-476Z
OPEN
0
OPEN
0
OPEN
OPEN
0
220
1k
OPEN
0
1K
22
100
220
220
6.8k
220
220
6.8k
220
6.8k
6.8k
220
6.8k
220
220
6.8k
220
6.8k
220
47
6.8k
220
0
6.8k
0
6.8k
0
1k
GND
Y2
R2
C2
S2_2
V3
V2
L2
GND
L3
Y_BSDGND
L_BSA
L_BSD
S2
R_BSA
R_BSD
MON_R
MON_L
MON_V
R3
R_BS
S2_1
MON_Y
MON_C
L1
S1
R1
V1
C1
Y1
GND
GND
GND
L_BS
V_BS
C_BSD
Y_BSD
V_RT
SCL0
V_BS
L_BS
Y_BSD
R_BS
C_BSD
V_RT
V4
L4
SDA0
C_SWMAIN
Y4
R4
MON_L
R_SWMAIN
MON_R
L_SWMAIN
MON_Y
MON_C
C4
S4
VY_SWAP
MON_V
-M2
NOT USE
SHEET 10
SHEET 3
NOT USE