Sony STR-DB2000 Service Manual page 145

Q Q
3 7 6 3 1 5 1 5 0
1-5. SCHEMATIC DIAGRAM – CIS Board (STR-DA2000ES only) –
EP801
(CHASSIS)
J841
1P
TRIGGER
OUT
J801
1P
OUT
IR REMOTE
J802
1P
IN
T E
L 1 3 9 4 2 2 9 6 5 1 3
J871
9P
RS232C
w w w
.
http://www.xiaoyu163.com
Q841
2SB733
CHIRITORI
BUFFER
C840
0
C841
R844
1
10k
50V
C801
47
16V
VCC
IC801 GND
NJL72H400A
OUT
D802
SID307BR
REMOTE
CONTROL
REMOTE CONTROL
TRANSCEIVER
RECEIVER
(REAR)
SIRCS SELECT
IC802
TC7W53FU
C871
0
C877 C874 C873
47 0.1 0.1
16V C875
0.1
C876
0.1
x a o u 1 6 3
y
i
R872
100
R871
100
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8
THP841
R842
10k
C852 C851
0.1 1000
R843 16V
1k
R846
1k
R845 100
Q842
DTC114EKA
BUFFER R807 100
R806 100
R802
10
R804 R805
10k 100k
R803
100k
D803
1SS355
C803
C802
Q Q 2.2
0.1
3 7 6 3 1
50V
FB871
C872
0.1
RS-232C DRIVER
IC871
ADM3222ARU
c o
.
5 5
2 4
9 9 8
CN851
2P
+12V
TRIGER GND
(Page 11)
CN801
7P
TRIGER
STB+3.3V
STB-GND
SIRCS OUT
SIRCS IN
TXD232
RXD232
5 1 5 0 8 9 2 4 9
m
STR-DA2000ES/DB2000
2
9 9
8 2 9 9