Audio_Video Unit (2/3) - Denon AVR-1912E3 Service Manual

A B C
R1241
1
CVBS OUTPUT SW
(TC4052BF)
INPUT
OUT PUT FUNCTION
INH A B
L L L X0 Y0 Y/C_MIX
L H L X1 Y1 Y
L L H X2 Y2 -
L H H X3 Y3 -
R1195
H X X NONE NONE
IC821:A
BD7628
2
R1230 75-D
MONITOR
MONI_V. 1
OUT
S-V INPUT SW
(TC4052BF)
INPUT
OUT PUT FUNCTION
INH A B
CHASSIS L L L X0 Y0 DOCK
L H L X1 Y1 CVBS
3
L L H X2 Y2 ETHER
L H H X3 Y3 -
H X X NONE NONE
OPTION_D
Y_IN
OPTION_B
JACK803 5
1
4
OPTION_C
Y
DOCK
C
3
4 2
SVIDEO IN
JK105
C_IN
CVBS INPUT SW
(TC4051BFT)
INPUT
OUT PUT FUNCTION
INH A B C
L L L L Y0 MUTE
5 L H H H Y7 DVD
L H L L Y1 SAT/CBL
L L H H Y6 V.AUX
L L H L Y2 -
SAT/CBL SAT/CBL
JK104
CVBS IN
DVD DVD
6
OPTION_U
OPEN
BD
CHASSIS GND
OPTION_E
COMPONENT OUT
Y
JK108
7 Cb
Cr
OPTION_J
8 COMPONENT IN
Y1
Y1_IN
C1005 1/50
JK106
Cb1 CB1_IN
DVD
C1004 1/50
Cr1 CR1_IN
C1003 1/50
9
Y2
Y2_IN
C1000 1/50
JK107
Cb2
SAT/CBL CB2_IN
C999 1/50
Cr2
CR2_IN
C1002 1/50
10
CHASSIS GND
OPTION_K
AVR1912
1 2 3 4 5 6
JAPAN
ONLY
GND POWER + POWER -
A B C
D E F
OPEN
C1021 C946
47/16 47/16
C1018 C929
10N-K 10N-K
Y0
VCC
Y2 X2
Y X1
Y3 X
0
Y1 X0
INH X3
VEE A
VSS B
2
R981
100
4 3
OPTION_P
R1249
R1236
OPTION_A
6
R1248 C1008
100 100/10
5 8
C950 47/16 C927 47/16
OPTION_H
C949 10N-K C925 10N-K
R1235
R1247
Y0 VCC
IC823:A
BD7628
Y2 X2 2
R1011 C944
Y X1
100 100/10
Y3 X
3 4
Y1 X0
INH X3
VEE A
VSS B
OPTION_H
OPTION_G
V-5V
V+5V
C941 10N-K
VCC Y4
Y2 Y6
Y1 OUT
Y0 Y7
Y3 Y5 10K
R1246
A INH R1234 10K
C960
B VEE
10N-K
C GND
CVBS_C
CVBS_B
CVBS_A
S_VSEL_A
OPTION_I S_VSEL_B
V.AUX
OPTION_F
OPTION_O
150-D
R1266
R1264 160-D R1233 160-D
Y_OUT
R1244 150-D
R1263 150-D
R1267 160-D R1245 150-D
CB_OUT
R1232 160-D
R1262 160-D
R1265 150-D R1243 150-D
CR_OUT
160-D
R1231
C975
100/10
C1016 68P
C1015 68P
IC825 C1007
C1017 68P
100N-K
NJM2586M
Y1_IN Y_out Y_OUT..
SW1 PS COMP_MUTE
Y2_IN Cb_out
SW2 +V2 V+5V
Y3_IN Cr_out
GND GND
C1012
+V1 -V2
100N-K
Cb1_IN Cr1_IN
GND -V1 V-5V
C1006
Cb2_IN Cr2_IN
100N-K
GND GND
Cb3_IN Cr3_IN
COMP_SW2
COMP_SW1
MUTE(PS)
H OFF
ON
L
OPTION_L
CN1003
STBY POWER
D E F
G H I
Y/C_MIX
Y/V.
MONI_SEL_A
MONI_SEL_B
V+5V
820-D
D848
10K KDS4148U
Q859
R1261
ISA1530AC1 R1229 R1228
10
4K7 1K
7 Y/V.
C933 R988
IC823:B
47N-Z 8K2
BD7628 Q856
V+5V C952 RT1N141C
100N-K
R1254 OPTION_Q
75-D
820-D
10K
R1253
75-D
C
1 C
R1252
10
ETHER_C
ETHER_Y
Y
V+5V
V-5V
CVBS_C
CVBS_B
CVBS_A
S_VSEL_A
S_VSEL_B
V.AUX
Y_OUT.
CB_OUT.
CR_OUT.
COMP_SW2
COMP_SW1
COMP_MUTE
V+5V
D851
KDS4148U
KDS4148U
Q855
ISA1530AC1
Y_OUT..
Q860
C1009 R1204
RT1N144C
47N-Z 2K2
C1013
10N-K
VIDEO SIGINAL LINE
S(Y) VIDEO SIGINAL LINE
COMPONENT (Y) SIGNAL LINE
G H I
115
J K L
OPTION_M
CVBS_DET
Q857
RT1N141C
OPTION_R
OPTION_T
R1257
3K9
R1258
C 680-D
R1213 R1215
6
2K2 OPTION_S 10
7
5 8
IC821:B
BD7628
R1212
2K2
Y/V.
V+5V
V-5V
ETHER_Y
ETHER_C
CVBS_C
CVBS_B
CVBS_A
S_VSEL_A
S_VSEL_B
V.AUX
Y_OUT.
CB_OUT.
CR_OUT.
COMP_SW2
COMP_SW1
COMP_MUTE
COMP_DET
R1211
4K7
D849 * MODEL/AREA OPTION
Q858
RT1N141C
OPTION_N
MODEL AVR2112 AVR1912
R1209
1K
AREA E3 E3/E2/E1C
OPTION A
R1210 O O
4K7
OPTION B 75-D 75-D
OPTION C 75-D 75-D
OPTION D O O
OPTION E
X X
OPTION F X X
OPTION G X X
OPTION H 75-D 75-D
OPTION I X X
OPTION J 10K 10K
OPTION K O O
OPTION L X X
OPTION M O O
OPTION N O O
OPTION O O O
OPTION P X X
OPTION Q 75-D 75-D
OPTION R O O
OPTION S X X
OPTION T 680-D 680-D
OPTION U X X
SCHEMATIC DIAGRAMS (10/26)

AUDIO_VIDEO UNIT (2/3)

J
K L
M N O
AV 2/3
1
2
3
REG_CNT 3/4 F8
4
D/MGND
COMPONENT SW1
COMPONENT SW2
COMP_DET COMPSGDET
CVBS_DET Z1VSIDET
INA
INB
INC
MONIA
MONIB
PS
S/V_SEL_A
S/V_SEL_B 5
V+5V
V+5V
VAGND
VAGND
V-5V
V-5V
CN113
6
REG_CNT 3/4 C8
D/MGND
VAUX
D/MGND
VDI_C
D/MGND
VDI_Y
D/MGND
VDIPY
D/MGND
7
VDICB
D/MGND
VDICR
D/MGND
ETHERCVBS
D/MGND
ETHERC
D/MGND
ETHERY
D/MGND
CN112
8
AVR1912 AVR1712
JP E3
O O
75-D 75-D
75-D 75-D
O O
X X
X X
X X
75-D 0-J
X O
10K X
X O 9
O X
O X
O X
O X
X X
75-D X
O O
X X
680-D 680-D
X X
10
df
M N O