Sony STR-DH520 Service Manual page 43

IC2032 TC74VHC157FT (EKJ) (DIGITAL BOARD (1/4)),
IC2804 TC74VHC157FT (EKJ) (DIGITAL BOARD (3/4))
SELECT 11 1 16 V
CC
S
1A 2 1A G 15 STROBE
INPUT
1B 3 1B 4A 14 4A
4B
1Y 4 1Y 4B 13
OUTPUT
5 11 12 4Y
2A 2A 4Y
INPUT
3A
2B 6 2B 3A 11
2Y 7 2Y 3B 10 3B
OUTPUT
3Y
GND 8 9 3Y
IC2033 TC7SH126FU (DIGITAL BOARD (2/4))
5 4
1 2 3
IC2303 TC7WHU04FU (TE12R) (DIGITAL BOARD (3/4))
8 7 6 5
2 4
1 3
IC2501 WM8768GEDS/R (DIGITAL BOARD (4/4))
MODE 1
MCK 2
BCK
3
LRCK 4
DVDD 5
AUDIO
INTERFACE
DGND
6
&
DIGITAL
DIN1 7
FILTERS
DIN2
8
DIN3
9
10
DIN4
M/I2S 11
CONTROL
MC/IWL 12
INTERFACE
MD/DM 13
MUTE 14
INPUT
OUTPUT
INPUT
OUTPUT
28
27
LOW
26
STEREO
PASS
DAC
FILTER
25
LOW 24
STEREO
PASS
DAC
FILTER 23
LOW
22
STEREO
PASS
DAC
FILTER
21
LOW 20
STEREO
PASS
DAC
FILTER 19
VREF_N VREF_P
18
17
16
15
AVDD
AGND
VO3R
VO3L
VO2R
VO2L
VO1R
VO1L
VO4R_NC
VO4L_NC
VMID
VREF_P
VREF_N
TEST_REF
STR-DH520
43