Onkyo TX-NR545 Service Manual page 44

1
RS-232C Terminal section
D
C
B
A
1
2
Model No.DTR-20.7/30.7/40.7 SCHEMATIC DIAGRAM(PART-7) RS-232C SECTION
BATRM-1754
RS-232C
10
GND_DG
1
6
TP59
2
TP54
*R1281
7
TP58
330
3
8
TP57
4
9 *R1282
TP56
330
5
TP55
11
*P1211
MDS-09P-V-01(DSUB9P)
2
3 4
RS232RXD
GND_DG
RS232TXD
CH-GND
1:E10
3 4
5
Schematic Diagram
RS232RXD 1:E6
GND_DG
1:E6
RS232TXD
1:E6
5
6
D
C
B
A
6