Onkyo DV-SP55 Service Manual page 12

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3 7 6 3 1 5 1 5 0
A
SCHEMATIC DIAGRAMS-3
U07 RS-232C TERMINAL PC BOARD
NAETC-8005
1
NAETC-8005
RESET
SDATAOUT
SCK
SDATAIN
BUSY
REQ
2
T E
L 1 3 9 4 2 2 9 6 5 1 3
3
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4
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B
GND
EVER+5V
100/6.3
C810
1 PORT15 PORT14 30
2 PORT16 PORT13 29
3 IC PORT12 28
R807
RESET
4 RESET PORT11 27
47
5 X2 PORT10 26
6 X1 PORT9 25
7 VSS PORT8 24
8 VDD PORT7 23
0 R806
SDATAOUT
9 SO PORT6 22
0 R805
SDATAIN
10 SI PORT5 21
0 R804
SCK
11 SCK PORT4 20
0 R802
BUSY
12 NC PORT3 19
0 R803
REQ
13 REQ PORT2 18
14 BUSY PORT1 17
15 RXD
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8 9
C
BK1608LM182-T
L801
1/50
C802
1
2
3
1/50
4
C801
5
Q Q
3 7 6 3 1
6
7
8
9
10
R812
CTS_FL
47
47
R809
RTS_FL
47
TXD_FL
TXD 16
R811
47
RXD_FL
R810
c o
.
2 4
9 8
D
100/6.3
C813
104Z
1/50
C812
C803
20
19
18
1/50
17
C804
16
5 1 5 0 8 9 2 4 9
15
14
13
12
11
(9PIN D-SUB CONNECTOR)
m
DV-SP55
2
9 9
E
BK1608LM182-T
L805
L804
BK1608LM182-T
8 2 9 9
BK1608LM182-T
L803
L802
BK1608LM182-T