Marantz Icemaker - Front

SCHEMATIC DIAGRAMS (4/10)
FRONT
GND LINE POWER- LINE POWER+ LINE SPDIF DSP / PCM SIGNAL SIGNAL Rch SIGNAL Lch STBY POWER
47K
R2017
56K
R2025
1.2K
R2015
220P
C2013
47K
R2018
1.2K
R2016
56K
R2026
220P
C2014
1.2K
R2023
1.2K
R2024
0.01
C2011
0.01
C2012
100/25
C2009
100/25
C2010
100
R2013
100K
R2012
2.7K
R2010
33K
R2001
100
R2014
100K
R2011
2.7K
R2009
2.7K
R2007
2.7K
R2008
33K
R2005
33K
R2006
33K
R2002
10
R2003
10
R2004
2.2/50
C2019
2.2/50
C2020
5P-SCN
B2004
1
-18V
2
+18V
3
R
4
A_GND
5
L
3P-SCN
B2003
1
R
2
A_GND
3
L
EARTH
NJM8080G
U2002
1
4
2
3
NJM8080G
U2004
1
4
2
3
NJM8080G
U2002
7
8
6
5
NJM8080G
U2004
7
8
6
5
22/50
C2001
22/50
C2002
22/50
C2007
22/50
C2008
OPEN.
C2028
OPEN.C2027
OPEN.
C2023
OPEN.C2024
0.068
C2022
0.068
C2021
NJM8080G
U2001
1
4
2
3
NJM8080G
U2001
7
8
6
5
20K
V2004
4
6
5
INNER
20K
V2004
1
3
2
OUTER
V2004
8
FG
9
FG
7
DUMMY
V2001
8
FG
9
FG
V2003
8
FG
9
FG
7
DUMMY
7
DUMMY
10K
V2003
1
3
2
OUTER
10K
V2001
1
3
2
OUTER
10K
V2001
4
6
5
INNER
10K
V2003
4
6
5
INNER
MC14094BDTR2G
U2551
1 2 3 4 5 6 7 8
9
10 11 12 13 14 15 16
+5VD
D-GND
MC14094BDTR2G
U2552
1 2 3 4 5 6 7 8
9
10 11 12 13 14 15 16
D-GND
D-GND D-GND
D-GND
D-GND
D-GND D-GNDD-GND
KRC102S
Q2501
D-GND
10K
R2501
10K
R2509
330
R2502
330
R2510
SELG6E10C-S20
D2505
10K
R2507
0.01
C2504
330
R2508
SELG6E10C-S20
D2502
0.01
C2505
0.01
C2503
SELG6E10C-S20
D2503
10K
R2505
0.01
C2502
330
R2506
SELG6E10C-S20
D2501
10K
R2503
0.01
C2501
330
R2504
SELG6E10C-S20
D2504
+5VD
10K
R2511
0.01
C2506
330
R2512
SELG6E10C-S20
D2506
D-GND
KRC102S
Q2502
KRC102S
Q2503
D-GND D-GND
KRC102S
Q2504
KRC102S
Q2505
D-GND D-GND
KRC102S
Q2506
330
R2514
D-GND
10K
R2513
0.01
C2507
SELG6E10C-S20
D2507
KRC102S
Q2507
0.01
C2508
10K
R2515
D-GND
KRC102S
Q2508
330
R2516
SELG6E10C-S20
D2508
0.01
C2509
KRC102S
Q2510
SELK2E14C-D
D2510
0.01
C2510
KRC102S
Q2509
10K
R2519
SELK2E14C-D
D2509
220
R2520
KRC102S
Q2512
10K
R2517
SELK2E14C-D
D2512
220
R2518
10K
R2523
220
R2524
0.01
C2511
D-GND D-GND
SLI-343V8RCT32
D2511
OPEN
R2521
D-GND
KRC102S
Q2511
D-GND
S2703
10K
R2701
22K
R2706
S2702
3.9K
R2705
S2701
3.9K
R2704
0.01
C2702
3.9K
R2703
S2704
2.2K
R2702
+3.3VL
D-GND
100/10
C2603
SHORT
R2601
0.01
C2602
OPEN
C2601
R34ES9A-15MM(36KHZ)
U2601
2
GND
3
VCC
1
VOUT
100
R2602
+3.3VL
0.01
C1803
3P-SCN
B1801
1
MOT-
2
3
MOT+
1/50C1801
1/50C1802
KTC3203Y
Q1802
KTC3203Y
Q1804
KTA1271Y
Q1801
KTA1271Y
Q1803
SHORT
R1807
SHORT
D1801
2.2K
R1805
2.2K
R1808
2.2K
R1802
2.2K
R1801
47K
R1806
47K
R1809
47K
R1804
47K
R1803
D-GND
+5VD
100K
R1013
14P-PH
N2501
1
EXP_OE
2
EXP_CLK
3
EXP_QS
4
EXP_CE
5
STB-LED
6
+5VD
7
+3.3VL
8
D-GND
9
IR
10
TACT
11
SEL_INT
12
SEL_AD
13
VOL_UP
14
VOL_DWN
+3.3VL
10/25
C2701
+5VD
+3.3VL
10/25
C2559
D-GND
D-GND
+3.3VL
220P
C2006
220P
C2005
220P
C2003
220P
C2004
D-GND
0.1Z
C2552
0.1Z
C2553
100
R2556
100
R2557
100
R2553
100
R2555
100
R2554
1000P
C2557
OPEN
C2556
OPEN
C2558
10/25
C2551
KRC102S
Q2801
D-GND
3P-SCN
B2801
1 2 3
4P-SCN
B1201
1
3.3VL
2
D_GND
3
INT
4
SEL
KRC102S
Q1805
KRC102S
Q1806
D-GND
D-GND
EARTH.
A-GND.
A-GND.
C2030
0.1Z
C2029
0.01
EARTH
OPEN.
B2002
KRC102S
Q2602
+3.3VL
KRA102S
Q2601
1.2K
R2522
KRC102S
Q2554
KRC102S
Q2553
KRC102S
Q2552
KRC102S
Q2551
10K
R2558
10K
R2559
10K
R2560
10K
R2561
+5VD
D-GND
OPEN
R2551
OPEN
R2552
1000P
C2555
1000P
C2554
KRC102S
Q2555
10K
R2562
REC
CD
OPT
USBB
SPKA MUTE ANA S-DI
EXP_QS EXP_OE EXP_CLK EXP_CE
PHONO CD NET TU
PHONO
COAX
NET TU REC COAX OPT USBB
S-DI MUTE
ANA SPKA
TACT
VOL_UP
IR
TACT
VOL_UP
VOL_DWN
VOL_DWN
IR
EXP_CE
EXP_QS
EXP_CLK
EXP_OE
BASS
TREBLE
BASS
TREBLE
TREBLE BASS
BASS
FRONT PWB
8U-110160-2
TREBLE
TUNER:0VNET:0V RECORDER:0V
CD
PHONO:0V
PHONO RECORDER
CD:0V
TUNERNETWORK
COAXIAL:0V
COAXIAL
OPTICAL:0V
OPTICAL USB-DAC
OPTICAL:0V SPK-A:0V
ANALOG MODE
SOURCE DIRECT
SPK-A
:0V
ANALOG:0V
SOURCE DIRECTMUTE
MUTE:0V
0.6V
3.3V
MUTE
3.SPK A 1.9V
SOURCE DIRECT
6.RESERVED 0V
5.SOURCE DIRECT
2.ANALOG MODE
1.3V
PIN26 A/D VOLTAGE
ANALOG MODE
2.6V
1.OFF(PULL UP)
4.MUTE
SPK A
VOL_UP 0V 3.3V 0V
MOT- 0V 0V 5.0V
MOT+ 0V 5.0V 0V
STOP
VOL VOL
U/D U/D
VOL_DWN 0V 0V 3.3V
TO CHASSIS
TONE
TREBLE : 15kHz
BASS : 50Hz
B2003
TO N2802
B2004
TO N2801
B2801
TO N2901
N2501
TO N102
B1201
TO N1002
B1801
TO N5901
51
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