Audio_Video Unit (3/3) - Denon AVR-1912E3 Service Manual

A B C
1
2
3
OPTION_A
4
PACK806
TUNERL TUNERL
TUNERR TUNERR
TO ANALOG TUNER
TU_5V TU_5V/9V
SCLK
TU_SCLK/SCL
SILICON
SDIO
TU_SDIO/SDA
SEN
TU_SEN.
RST TU_RST/ST
5
GPIO2 TU_GPIO2/TUNED
C938 100N-K
CHASSIS
6
CP805
TUNER_L
GND
TUNER_R
TU_9V
TO ANALOG TUNER
TUNED
PANASONIC ST IND
7
SCL
SDA
NC
GND
RDS CLK
RDS DATA
C908
OPEN
OPTION_C
8
CHASSIS
9
10
GND POWER +
A B C
D E F
BD803 BEAD
R999 33
R992 33
R998 33
R957
R990 33
1K R996 33
R971 33
R995 33
OPTION_E
POWER - STBY POWER
D E F
G H I
OPTION_B
OPTION_D
R1066
0
L1000
75J-207CX
C1117
R1270
4.7N
1K2
C1120
8.2N
R1268
100K
L1001
75J-207CX
R1271 C1118
1K2 4.7N
C1119
8.2N
R1269
100K
R979
0
OPTION_B
MODEL AVR1712 AVR1912 AVR2112
AREA E3 E3 E2/EA E1C/JP E3
OPTION A O X X O
OPTION B O X O O
OPTION C X O O X
OPTION D X O X X
OPTION E X O X X
G H I
116
J K L
C928
R1000
10/50
1K
Q851
R973 R978
OPEN OPEN 82K
Q852 R972 R977
OPEN 82K
OPEN
R1006
1K
C926
10/50
R1001
Q840
Q849
OPEN OPEN
OPEN
Q850
OPEN
R974
OPEN
R980
OPEN
SCHEMATIC DIAGRAMS (11/26)

AUDIO_VIDEO UNIT (3/3)

J
K L
M N O
1
AV 3/3
2
3
4
5
AV 1/3 A3
6
TU_5V/9V.
TU_MUTE
TU_SCLK/SCL.
TU_SDIO/SDA.
TU_SEN
TU_RST/ST.
7
TU_GPIO2/TUNED.
RET_GND
TUNERL.
AGND
TUNERR.
RDS_CLK
RDS_DATA 8
9
10
f
M N O