Sirius Unit (Avr-2112Ci Only); Rs232C Unit (Avr-2112Ci Only) - Denon AVR-1912E3 Service Manual

A B C
1
2
3
D5V(MX)
SWM5V(MX)
SWM3.3V
A+8V
A+8V
A-8V
A-8V
WAKEUP
KILLIR
RC_OUT
BT_LINK
4 FRONT IRIN
RC_IN
CP403
C125Z1-13P
5
M3.3V
D/MGND
REMOTE3.3V
232OMI
232IMO
TRG1
MX_L
AGND
MX_R
TRIG+15V
TRIGGND
6
CP402
C125Z1-11P
7
8
OPTION_L
8 6 4 2
9 CP401
9 7 5 3 1
10
GND POWER + POWER -
A B C
D E F
RC-5/M-X PORT
R418
100
Q406
KRA102S
R419
Q401
100
R401 OPEN(2W) Q404
KRA102S
C419 C470 KRC102S
R402 OPEN(2W) OPEN 4700N-K
R403 OPEN(2W)
R404 OPEN(2W)
D401
KDS4148U
Q402
KRA102S
R405
OPEN
R420
33K
R442 R445 R447
220 220 0
R433
10K
C425
IC403
PQ033DNA1ZPH OPEN
IN OUT
Q403
NC KRC102S
ON/OFF GND
C413
OPEN
C424
1000N-K
C414
1000N-K
C428
10/16(3*5)
IC401(2/2)
AZ4580MTR
5
R425 R438
7 4.7K 470
C405 R410
8 6
10/50 100
R426
4.7K
C429
10/16(3*5)
10K
R414
C409 OPEN
C426
C443 0
100N-K
C410 OPEN
R415 10K
R427
C430
4.7K
C406
R411
2
10/50 100
10/16(3*5)
1 R439
470
IC401(1/2) 4 3
AZ4580MTR R428 C431
4.7K
10/16(3*5)
STBY POWER
D E F
G H I
C446
100N-K
BKT401
R449
0
+5VL
DETECT
RC5
AGND
+3.3V
MXP_R
RC5_GND
R450
0
AGND
MXP_L
FARAME_GND
J22
OPEN FARAME_GND
R451
OPEN
R457
OPEN
8 6 4 2
9 7 5 3
CN401
OPTION_H
MODEL AVR1712
AREA E3
OPTION H
OPTION I
OPTION J
OPTION K
OPTION L
G H I
113
J K L
RS232/TRIGGER
OPTION_I
IC405
PQ120DNA
IN OUT
NC
ON/OFF GND
J438
OPTION_J
10/50
C452
C451 100N-K C462
C463
C453
C1+ VCC
100N-K
C464
C449
V+ GND R455
100N-K
1K
D408
C1- T1 OUT
C447
OPEN C450
C2+ R1 IN
100N-K
R456
C2- R1 OUT
1K
R458 D409
V- T1 IN
0
C448
T2 OUT T2 IN
100N-K
R454
R2 IN R2 OUT 1K
R453
1K
IC404
ILX3232D C465
C466
C467
AVR2112 ONLY
1
OPTION_K
AVR1912 AVR2112
E3 E2 E1C EA JP E3
X
X
X O
X O
X O
SCHEMATIC DIAGRAMS (8/26)

SIRIUS UNIT (AVR-2112CI ONLY)

RS232C UNIT (AVR-2112CI ONLY)

J
K L
M N O
REG_CNT 4/4
1
2
3
4
TRIGGER
OUT1
JACK405
C468
100N-K
5
JACK404
OPEN
OPEN
OPEN
OPEN
6
RS232C
OPEN
OPEN
OPEN
100N-K
7
8
9
10
M N O