Onkyo TX-NR838 - Page 51

RS232TXD
TRIGA
RS232RXD
IRIN
IRIN
+3.3VMPU
GND DG
GND_DG
+12VTRG
GND_VD
GND_VD
GND_VD
223K
*C1201
50V
104Z
*C1236
25V
104Z
*C1240
25V
103K
*C1220
50V
*C1260
47u25V
*P607B
NPLG-3P117
123
*P7050A
NSCT-11P2402
1234567891011
*D1241
DA2J10100
*D1240
DA2J10100
*D1260
DZ2J130M0L
*P1211
MDS-09P-V-01(DSUB9P)
1
2
3
4
6
7
8
9
11
10
5
*P1217
MSJ-035-22
2
3
1
*P1214
MSJ-035-22
2
3
1
*Q1220
TLP785(BL-TP6_F(C
1
32
4
*R1223
4.7k
*R1222
8.2
*R1265
3.9k
*R1247
470
*R1261
330
*R1254
8.2
*R1229
220K
*R1266
220K
*R1262
330
*R1268
1W
220
*R1267
1W
150
*R1269
NC
*Q1260
2SC2881-Y(TE12L,CF)
*Q1215
KRC102S
*Q1213
2SA1201-Y(TE12L,CF)
*Q1261
2SA1162-GR
*P1201
NEJITANSI ST3
1 2 3 4
P1214 P1217
TRIG AIR IN A
REARPANNELVIEW
VIDEO
IR IN A
RS-232
BAAR-1545
(150mA)
12V TRG A
RS232C
IR/TRIGGER/RS232
PRC
FROM BAPRC-1564(PART-12)
MODEL NO.TX-NR838 SCHEMATIC DIAGRAM(PART-11)
RS-232/12VTRIG/IR SECTION
FROM BATRM-1568(PART-8)
NC
N
C
NC
NC
NC
12V TRG OUT
NC
U0042
U0050
to P607A
U0080(1/11)
to P7050B
TX-NR838
SCHEMATIC DIAGRAMS-26
TRM(RS232/TRIG) SECTION
TX-NR838
A
1
2
3
4
5
B C D E F G H
6
7
8
I J K