Marantz NR1601 Service Manual page 74

A B C
1
2
3
OPTION_A
4
CP800
TUNERL TUNERL
TUNERR
TUNERR
TO ANALOG TUNER
TU_5V TU_5V/9V
TU_TXMI/SCL
SCLK
SILICON
TU_RXMO/SDA
SDIO
SEN SEN.
HD/TU_RST/ST
TU_RST/ST
TU_GPL02/TUNED TU_GPL02/TUNED
5
C881 100N-K
-
6
CP801
TUNER_L
GND
TUNER_R
TU_9V
TO ANALOG TUNER
TUNED
PANASONIC ST IND
SCL
7
SDA
NC
GND
RDS CLK
RDS DATA
C890
-
OPTION_C
8
CHASSIS
9
10
A B C
D E F
MODEL NR1601
AREA U1B N1 F
OPTION A O X X
OPTION B 0ohm OPEN 0ohm
X O O
OPTION C
OPTION D X O X
BD801 BD121T
R949 33
R948 33
R947 33
R941
R946 33
1K R945 33
R944 33
R943 33
N1 ONLY
D E F
G H I J
OPTION_D
L1001
R1204
100K 75J-207CX
R933
1K
C1112
8.2N(R)
R1200
C1111 R1063
1K2
4.7N(R) 0
OPTION_B
L1000
R1202
75J-207CX
100K
R938
1K
C1109
8.2N(R) R957
R1190
C1110
1K2 0
4.7N(R)
OPTION_B
J
G H I
74
K L M N
AV B'D(2/3)
C872
10/50
Q824
R934 R935
- - 82K
Q825 R936 R937
- 82K
-
C875
10/50
R939
Q827
Q826
- -
-
TU_TXMI/SCL.
Q828
-
TU_RXMO/SDA.
HD/TU_RST/ST.
R950
- TU_GPL02/TUNED.
R942
-
SIR_MI/RDS_CLK
SIR_MO/RDS_DATA
SCHEMATIC DIAGRAMS (10/24)
K L M N
O
1
2
3
4
5
FROM INPUT
A3
6
TU_5V/9V.
TU_MUTE
SEN
7
AGND..
TUNERL.
AGND
TUNERR.
8
9
10
O