Marantz NR1506 /K1B, Service Manual

Page: 97 / 159

SCHEMATIC DIAGRAMS (1/23)
01-FRONT HDMI
ANALOG AUDIO DIGITAL AUDIO TMDS SIGNAL VIDEO SIGANL GND LINE POWER- LINE POWER+ LINE COMPONENT (Y)
.R
X_
C
-
.R
X_
1-
.R
X_
2-
C
138
8
10
N
-K
R
156
1
0
O
PE
N
R
155
9
R1551
OPEN
C
139
2
100
N
-K
2K
2
R
160
1
R
155
4
O
PE
N
.R
X_
0+
C
138
5
100
N
-K
.R
X_
2+
1N
-K
C
139
5
.DDC
_S
D
A
O
PE
N
C
139
7
C
139
9
O
PE
N
C
140
1
O
PE
N
C
138
0
10
U
-K
-201
2
C
138
2
O
PE
N
TX2_SHLD
TX2-
TX1_SHLD
TX0+
TX0-
TXC_SHLD
CE_REMOTE
DDC_SCK
GND
HP_DET
.CEC
.RX_2-
.RX_1+
.RX_0+
.RX_0-
.RX_C-
DGND3
..HDMI5V
.DDC_SDA
.HPA_D..
TX2+
TX1+
TX1-
N.C
TX0_SHLD
TXC-
TXC+
+5V
DDC_SDA
10
K
R
155
8
OPEN
D1100
R1552
1K
R1548
OPEN
D
110
2
O
PE
N
D
110
1
O
PE
N
R1547
47K OPEN
R1549
.HPA_D..
.R
X_
0-
100N-K
C1389
C1386
100N-K
R
156
0
O
PE
N
.RX_2+
.RX_1-
.RX_C+
..CEC5V
..CEC3.3V
.CEC
.DDC_SCL
.TX_EN.
FRON
T_
HD
M
I
Q1046
RT1N141C
.R
X_
C
+
.R
X_
1+
C
139
3
100
N
-K
2K
2
R
155
3
10U-K-2012
C1391
R
155
7
O
PE
N
C
139
4
1N
-K
C
139
6
10
U
-K
-201
2
C
139
8
O
PE
N
C
140
0
O
PE
N
.DDC
_S
C
L
.T
X_
EN
.
C
138
1
O
PE
N
C
138
4
O
PE
N
C
138
3
O
PE
N
3
6
4
7
5
1
2
10
12
8
11
9
23
22
20
19
21
16
18
17
15
13
14
1.0-16-23PB-2
N1038
4 3
1 2 L1135 OPEN
0-2012 L1034
DGND
RX_2-
RX_1+
DGND
RX_0-
RX_C-
DGND
CEC3.3V
HDMI5V
DDCA_SDA
HPDF
Q1047
RT1N441C
R1546
10K
1
3
4
2
R1663 0*2(AR)
4 3
1 2 L1132 OPEN
1
3
4
2
R1664 0*2(AR)
0-2012 L1035
0-2012 L1036
4 3
1 2 L1134 OPEN
RX_2+
RX_1-
RX_0+
DGND
DGND
RX_C+
DGND
CEC5V
CEC3.3V
TO
MN864788A
DDCA_SCL
CEC
TX_EN
4 3
1 2 L1133 OPEN
1
3
4
2
R1665 0*2(AR)
1
3
4
2
R1657 0*2(AR)
19
17
15
13
11
9
8
7
6
5
4
3
2
18
16
14
12
10
1
N1026
A0D7ABAR19N0 W/O FLNG
29
27
25
23
21
12 14 16 18 20
2
4
6
8
10
11 13 15 19 17
39 37 35 33 31
30
28
26
24
22
40 38 36 32 34
1
3
5
7
9
41
U1022
AD8195ACPZ
IP0
IP1
IN2
IN3
PE_EN
AVEE
AVCC
AVCC
AVCC
IN1
IP2
IN0
40
:S
C
L_
IN
IP3
O
P0
O
N1
AV
CC
O
P2
O
P3
VTTI
AVCC
TX_EN
AVCC
AVEE
31
:C
EC
_O
UT
VTT
O
O
P1
O
N2
O
N3
AVCC
SD
A_
IN
11
:O
N0
AVE
E
SC
L_
O
UT
VR
EF
_O
UT
VR
EF
_I
N
C
EC
_I
N
SD
A_
O
UT
21
:C
O
MP
AMU
XV
CC
GND
C1390 100N-K
C1387 100N-K
FRONT HDMI
N1038
TO N1014
97
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
A
B
C
D
E
F
G
H
J
K
L
M
A
B
C
D
E
F
G
H
J
K
L
M
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16