Sch28_Rs232C & Trigger - Denon AVR-X4100W Service Manual

1 2 3
A
RS232C/TRIGGER
B
C
D
E
F
G
REMOTE3.3V
DGND
H
232O_MI
232I_MO
TRIGGER_1
TRIGGER_2
TRG+12V
DGND
("TRG_GND->DGND" For EMI)
RC_IN
FLASHER_IN_MZ
M3.3V
J B/P_IRIN_DE
K
L
M
GND LINE POWER+ LINE POWER- LINE
ANALOG AUDIO
1
2 3
4 5 6 7
IC521
ILX3232D C5237 C5236
0.1uF 10/50V
C5231 C5235
VCC
0.1uF
0.1uF C1+
GND DGND
D5231 OPEN
V+
T1_O R5234
TP
1K
C1-
R1_I R5233 TP
1K
C2+
C5233
R1_O
D5232 OPEN
0.1uF C2-
C5234
T1_I
DGND
0.1uF V-
T2_I R5232
1K
T2_O
R5231 R2_O
1K R2_I
Q5221
2SA2166
R5223
TP
TRG2_OUT
0
4.7k --> 1k
Q5222
CVTRT1N141C
Q5211
2SA2166
R5224
TP
TRG1_OUT
0
4.7k --> 1k
Q5212
CVTRT1N141C
DIGITAL AUDIO TMDS SIGNAL ANALOG VIDEO
4 5 6 7
8 9 10
IR / FLASHER
REMOTE IN
3
2 TP
RS-232C
1
PJ-308-02
JK521
D227FD009S100BY/YUQIU
3
TP
2
1
PJ-308-02
D5256
KDS160RTKP
JK522
TRIGGER
R5256
OUT2
1K RC521
R5257
HM336R
1K TP
JK523
TRIGGER
OUT1
STBY POWER
DIGITAL VIDEO
8 9 10
162
11 12 13 14
Q5251
RT1P141C
Q5252
2SC3052
C5254
R5255
OPEN 100
C5255
OPEN
C5256
0.1uF
R5258
100
Q5253
RT1P441C
C5257
0.1uF
C5258
OPEN
C5259
OPEN
Q5254
OPEN
SCHEMATIC DIAGRAMS (28/38)
SCH28_RS232C & TRIGGER
11 12 13 14
15 16
A
B
C
D
E
F
G
H
J
K
L
M
15 16