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STR-DA4ES/DA7ES/VA333ES
IC311 TC94A07 (INPUT BOARD)
IC411 TC94A07 (E-VOL BOARD)
IC302 TC9274N-015 (INPUT BOARD)
IC303 TC9274N-015 (INPUT BOARD)
IC402 TC9274N-016 (E-VOL BOARD)
IC304 TC9273N-013 (INPUT BOARD)
TRIM VOLUME
0-+24dB/
1dB STEP
TRIM VOLUME
0-+24dB/
1dB STEP
DECODER
&
LATCH CIRCUIT
DECODER
&
LATCH CIRCUIT
DECODER
&
LATCH CIRCUIT
24 BIT
SHIFT REGISTER
CIRCUIT
LEVEL SHIFT
CIRCUIT
DECODER
&
LATCH CIRCUIT
DECODER
&
LATCH CIRCUIT
DECODER
&
LATCH CIRCUIT
1
VSS
2
TRIM
3
TRIM
4
TRIM
5
OUT
6
VRGND
7
IN
8
CS1
9
GND
10
CLK
19 TRIM
18 TRIM
17 TRIM
16 OUT
15 RGND
14 IN
13 CS2
12 LAT
11 DATA
20 VDD
MAIN
VOLUME
0- –85dB/
1dB STEP
MAIN
VOLUME
0- –85dB/
1dB STEP
1
2
3
4
5
6
14
42
41
40
39
38
37
36
35
34
33
32
31
30
29
LEVEL SHIFT & SHIFT REGISTOR
S3L
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
27
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
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
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