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53
STR-DA3ES/DA5ES/VA555ES
IC304 TC9273N-013 (INPUT BOARD)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
28
27
26
25
24
23
22
21
20
19
18
17
16
15
LEVEL SHIFT & SHIFT REGISTOR
10 BIT
LATCH
LATCH
GND
S9
S11
S6
S3
S10
S8
S7
S5
S4
S2
S1
VSS
CK
STB
VDD
DATA
S9
S11
S6
S3
S10
S8
S7
S5
S4
S2
S1
IC302,303 TC9274N-015 (INPUT BOARD)
IC402 TC9274N-016 (E-VOL BOARD)
IC402 TC9274N-016 (E-VOL BOARD)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
42
41
40
39
38
37
36
35
34
33
32
31
30
29
LEVEL SHIFT & SHIFT REGISTOR
S12L
S9L
S11L
S6L
S3L
S10L
S8L
S7L
S5L
S4L
S2L
S1L
VSS
S13L
15
16
17
18
19
20
21
GND
S16L
S18L
S17L
S15L
S14L
CLK
S12R
VDD
S13R
S9R
S11R
S6R
S3R
S10R
S8R
S7R
S5R
28
26
25
24
23
22
S18R
DATA
S15R
LAT
S17R
S16R
S14R
S4R
S2R
S1R
18BIT LA
TCH
18BIT LA
TCH
27
IC501,601,701 uPC2581V-S (AMP BOARD)
2
3
5
4
6
7
9
8
1
MUTE
+ VOUT1
–
VOUT1
COMP1
MF1
IN1
GND
IN2
NF2
COMP2
–
VOUT2
+ VOUT2
VCC1
VCC2
VEE
PROTECTOR
BIAS CIRCUIT
REG
DRIVE
PRE
DRIVE
11
10
12
13
15
14
DRIVE
PRE
DRIVE
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