Denon AVR-1911 Service Manual page 77

1 2
OPTION_A
CP800
TUNERL TUNERL
TUNERR TUNERR
TO ANALOG TUNER
TU_5V TU_3.3V/5V/9V
SCLK TU_TXMI/SCL
SILICON
SDIO
TU_RXMO/SDA
SEN SEN.
R941
TU_RST/ST HD/TU_RST/ST
IK
TU_GPL02/TUNED TU_GPL02/TUNED
C881 100N-K
CHASSIS
CP801
TUNER_L
GND
TUNER_R
TU_9V
TO ANALOG TUNER
TUNED
PANASONIC
ST IND
SCL
SDA
NC
GND
RDS CLK
RDS DATA
C890
OPEN
OPTION_C
CHASSIS
3
BD801 BEAD
R949 33
R948 33
R947 33
R946 33
R945 33
MODEL AVR1611 AVR1911
AREA E3 E2 JP E3 E2 JP
OPTION A O X X X X X
OPTION B 0ohm OPEN 0ohm 0ohm OPEN 0ohm
OPTION C X O O X O O
OPTION D X O X X O X
R944
33
R943
33
4 5
OPTION_D
L1001
R1204
3K3 75J-207CX
C1112
8.2N(R)
R1200
C1111 R1063
1K2
4.7N(R)
L1000
R1202
75J-207CX
3K3
C1109
8.2N(R)
R957
R1190
C1110
1K2
4.7N(R)
OPTION_B
77
6 7
AV B'D(2/3)
C872
R933
10/50
1K
Q824
R934 R935
0
KRC231S 100K 82K
OPTION_B
Q825 R936 R937
100K 82K
KRC231S
R938
1K
C875
10/50
0
R939
Q827
Q826
KRA111S 2K
KRC102S
Q828
KRC102S
R950
OPEN
R942
OPEN
SCHEMATIC DIAGRAMS (9/23)
8
PAGE 9
A
B
FROM INPUT
A3
TU_3.3V/5V/9V.
TU_MUTE
TU_TXMI/SCL.
TU_RXMO/SDA.
SEN
HD/TU_RST/ST.
TU_GPL02/TUNED.
C
AGND..
TUNERL.
AGND
TUNERR.
SIR_MI/RDS_CLK
SIR_MO/RDS_DATA
D
E
F
s