Sony SCD-XA777ES Service Manual page 71

IC101, 201 CXD9657N/2K (AUDIO FRONT Board)
IC1101, 1201 CXD9657N/2K (AUDIO SURR Board)
IC2101, 2201 CXD9657N/2K (AUDIO C/SW Board)
RST 1
ZEROL 2
ZERO
DETECT
ZEROR 3
LRCK 4
INPUT
DATA 5
I/F
BCK 6
SCKI 7
DGND 8
SYSTEM
SYSTEM
CLOCK
CLOCK
MANAGER
VDD 9
SCKO 10
MDO 11
MDI 12
FUNCTION
CONTROL
I/F
MC 13
CS 14
IC303 HD74LV161ATELL (MOTHER Board)
VCC
16 15 14 13
RIPPLE QB
QA
CARRY
OUTPUT
CLEAR
CK
A B
1 2 3 4
IC304, 305, 306, 307, 308 HD74LV157ATELL (MOTHER Board)
SELECT 11 1 16 V
CC
S
1A 2 15
1A G STROBE
INPUT
3 14 4A
1B 1B 4A
4B
1Y 4 1Y 4B 13
OUTPUT
5
2A 2A 4Y 11 12 4Y
INPUT
3A
6 11
2B 2B 3A
7 10 3B
OUTPUT 2Y 2Y 3B
3Y
GND 8 9 3Y
DIGITAL
ADVANCED
FILTER
SEGMENT
&
DAC
FUNCTION
MODULATOR
CONTROL
12 11 10 9
QC QD ENABLE
T
LOAD
ENABLE
C D
P
5 6 7 8
GND
INPUT
OUTPUT
INPUT
OUTPUT
28 VCC3
27 AGND2
26 IOUTL–
CURRENT
SEGMENT
DAC
25 IOUTL+
24 VCC2
23 VCC1
22 VCOM3
BIAS
21 IREF
&
20 VCOM2
VREF
19 VCOM1
18 AGND1
17 IOUTR+
CURRENT
SEGMENT
DAC
16 IOUTR–
15 MUTE
SCD-XA777ES
71