Sony STR-DA9000ES Service Manual page 114

STR-DA9000ES
QQ
3 7 63 1515 0
– SUB Board –
IC1003, 1007 CXD9725M
NC 1
TRIM VOLUME
VSS 2
0-+24dB/
1dB STEP
TRIM 3
5 to 25 DECODER
&
LATCH CIRCUIT
TRIM 4
TRIM 5
OUT 6
MAIN
VOLUME
0- –95dB/
0.5dB STEP
VRGND 7
4 to 13 DECODER
&
LATCH CIRCUIT
NC 8
4 to 16 DECODER
&
VRIN 9 LATCH CIRCUIT
NC 10
CS1 11
GND 12
TE
L 13942296513
CLK 13
NC 14
IC1005 TC74HC595AF (EL)
16 15 14 13 12 11
VCC
1
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114
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TRIM VOLUME
0-+24dB/
1dB STEP
5 to 25 DECODER
&
LATCH CIRCUIT
MAIN
VOLUME
0- –95dB/
0.5dB STEP
4 to 13 DECODER
&
LATCH CIRCUIT
4 to 16 DECODER
&
LATCH CIRCUIT
24 BIT
SHIFT REGISTER
CIRCUIT
LEVEL SHIFT
CIRCUIT
10 9
SHIFT REGISTER
LATCH
GND
2 3 4 5 6 7 8
PARALLEL DATA
OUTPUT
x ao
y
i
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8
28 NC
26 VDD
26 TRIM
25 TRIM
24 TRIM
23 OUT
22 VRGND
21 NC
20 VRIN
19 NC
18 CS2
17 LAT
Q Q
3 6 7 1 3
16 DATA
15 NC
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2 9 9 4 2 8
1 5 0 5 8 2 9 9 4
m
co
9 9
2 8 9 9