Ao Y; Http://Www.xiaoyu163.Com - Sony STR-DA4ES Service Manual

STR-DA4ES/DA7ES/VA333ES
QQ
3 7 63 1515 0
TE
L 13942296513
IC302 TC9274N-015 (INPUT BOARD)
IC303 TC9274N-015 (INPUT BOARD)
IC402 TC9274N-016 (E-VOL BOARD)
VSS 1
S1L 2
S2L 3
S3L 4
S4L 5
S5L 6
S6L 7
S7L 8
9
S8L
S9L 10
S10L 11
S11L 12
13
S12L
14
S13L
S14L 15
S15L 16
www
17
S16L
S17L 18
S18L 19 .
20
GND
LEVEL SHIFT & SHIFT REGISTOR
CLK 21
68

http://www.xiaoyu163.com

IC311 TC94A07 (INPUT BOARD)
IC411 TC94A07 (E-VOL BOARD)
TRIM VOLUME
VSS 1
0-+24dB/
1dB STEP
TRIM 2
DECODER
&
LATCH CIRCUIT
TRIM 3
TRIM 4
OUT 5
MAIN
VOLUME
0- –85dB/
1dB STEP
VRGND 6
DECODER
&
LATCH CIRCUIT
DECODER
&
IN 7 LATCH CIRCUIT
CS1 8
GND 9
CLK 10
42 VDD
41 S1R
40 S2R
39 S3R
38
S4R
37
S5R
36 S6R
35 S7R
34
S8R
33
S9R
32 S10R
31 S11R
30
S12R
29 S13R
28 S14R
27 S15R
26 S16R
x ao
y
25
S17R
24
i S18R
23 LAT
22 DATA
http://www.xiaoyu163.com
8
TRIM VOLUME
0-+24dB/
1dB STEP
DECODER
&
LATCH CIRCUIT
MAIN
VOLUME
0- –85dB/
1dB STEP
DECODER
&
LATCH CIRCUIT
DECODER
&
LATCH CIRCUIT
24 BIT
SHIFT REGISTER
CIRCUIT
LEVEL SHIFT
CIRCUIT
Q Q
3 6 7 1 3
IC304 TC9273N-013 (INPUT BOARD)
VSS 1
S1 2
S2 3
S3 4
S4 5
S5 6
S6 7
S7 8
S8 9
10
S9
S10 11
S11 12
GND 13
LEVEL SHIFT & SHIFT REGISTOR
14
CK
u163
.
2 9 9 4 2 8
20 VDD
19 TRIM
18 TRIM
17 TRIM
16 OUT
15 RGND
14 IN
13 CS2
12 LAT
11 DATA
1 5 0 5 8 2 9 9 4
28
27
26
25
24
23
10 BIT
LATCH
22
21
20
19
18
17
16
15
m
co
9 9
2 8 9 9
VDD
S1
S2
S3
S4
S5
S6
S7
S8
S9
S10
S11
STB
DATA