Sony STR-DA1200ES - Schematic Diagram - KEY Section

STR-DA1200ES
6767
STR-DA1200ES
(Page 65)
(Page 65)
6-44. SCHEMATIC DIAGRAM – KEY Section –
S722
1
2
3
4
5
6
7
8
9
9P
CN716
VOL 2
VOL 1
GND
STB +3.3V
RESET
MD2
SO
SI
MAIN/DSP SW
1
2
3
4
5
6
7
8
9
9P
CN717
GND
STB +3.3V
RESET
NC
SO
SI
NC
MD2
MAIN/DSP SW
M-VOL BOARD
53
C
142
A
7
D
B
6
MASTER
VOLUME
(NC)
2.2k
R760
2.2k
R761
S720
S721
1
2
3
CN715
3P
AD1
GND
AD1
KEY 1 BOARD
DIRECTMULTI CH IN
R784
2.2k
S725
1
2
3
3P
CN727
AD3
ADGND
AD3
KEY 2 BOARD
SPEAKERS
(OFF/A/B/A+B)
J701
1
2
3
CN718
3P
L
GND
R
0.1
C755
MIC BOARD
AUTO
CAL
MIC
W701
(CHASSIS)
CN705
L
DISPLAY
BOARD
DISPLAY
BOARD
K
CN703
G
DISPLAY
BOARD
CN707
F
DISPLAY
BOARD
CN709
(Page 65)
(Page 65)