Sony STR-DA7100ES Service Manual page 154

STR-DA7100ES
– ANALOG Board –
154
IC2812, 2862 CXD9725M
IC2912, 2962 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
CLK 13
NC 14
IC601 TC9273N-013
VSS 1
S1 2
S2 3
S3 4
S4 5
S5 6
S6 7
S7 8
S8 9
S9 10
S10 11
S11 12
GND 13
LEVEL SHIFT & SHIFT REGISTER
CK 14
TRIM VOLUME
0-+24dB/
1dB STEP
5 to 25 DECODER
& &
LATCH CIRCUIT
4 to 13 DECODER
& &
LATCH CIRCUIT
4 to 16 DECODER
& &
LATCH CIRCUIT
24 BIT
SHIFT REGISTER
CIRCUIT
LEVEL SHIFT
CIRCUIT
28
27
26
25
24
23
10BIT 10BIT
LATCH LATCH
22
CIRCUIT CIRCUIT
(L-CH) (R-CH)
21
20
19
18
17
16
15
28 NC
26 VDD
26 TRIM
25 TRIM
24 TRIM
23 OUT
MAIN
VOLUME
0- –95dB/
0.5dB STEP
22 VRGND
21 NC
20 VRIN
19 NC
18 CS2
17 LAT
16 DATA
15 NC
VDD
S1
S2
S3
S4
S5
S6
S7
S8
S9
S10
S11
STB
DATA