Marantz Icemaker - Digital 4

SCHEMATIC DIAGRAMS (9/10)
DIGITAL 4
Note
All Ref.No. has been described in the parts list are
four digits.
But there are less than four digits of printed Ref.No.
on the PCB, and they have become four digits after
the header by adding "0" in the parts list.
GND LINE POWER- LINE POWER+ LINE SPDIF DSP / PCM SIGNAL SIGNAL Rch SIGNAL Lch STBY POWER
10K
R701
USBB3.3V
C710
220/6.3
USBB1.8V
0
R703
L702
BLM21PG221
PQ012ENB1ZPH
U701
IN
1
VC
2
NC
4
GND
5
OUT
3
C707
100/6.3
PVO
FDC608PZ
Q701
1
2
D
3
G
4
S
5
D
6
L701
BLM21PG221
USBB1.2V
GND
R702
4.7K
CTL_+3.3USBB
INPUT
C709
100/16
L700
BLM21PG221
10K
R700
C706
100/16
CTL_+1.8USBB
INPUT
1K
R711
PQ018ENA1ZPH
U700
IN
1
VC
2
NC
4
GND
5
OUT
3
KRC102S
Q700
GND
C703
0.1Z
C700
0.1Z
C708
0.1Z
C704
0.1Z
C705
0.1Z
C701
0.01Z
C702
1000P
0
R708
33_VCC_USB_B
0
R704
0
R706
0
R707
0R705
GNDUSBB
0
R709
0
R710
4P-EHs
N701
1
2
3
4
+5V-DIG
CLT_M
INPUT
0.01Z
C737
0.1Z
C722
33_VCC_DIR
0.1Z
C714
47P
C715
C716
100/6.3
0.1Z
C745
C717
4.7u
100/6.3
C711
1000P
C744
0.1Z
C742
4.7u
C713
47P
C723
33_VCCIO
1000P
C738
FBMJ1608HS280NT
L705
4.7u
C720
0.01Z
C746
4.7u
C721
1000P
C747
100/6.3
C718
0.1Z
C736
4.7u
C712
L703
FBMJ1608HS280NT
FBMJ1608HS280NT
L704
KRC102S
Q705
1SS355T
D701
GND
KRA102S
Q703
KRC102S
Q704
+3.3V_NSW
1SS355T
D702
1SS355T
D703
1SS355T
D704
10K
R713
10K
R714
GND
SHORT
OUTPUT
+5V-DIG
33_VCC_USB_B
GND
GND
KRC102S
Q706
0.01Z
C743
0.01
C751
OPEN
R716
OPEN
R715
1SS355T
D705
V+3.3D1
CTL_+3.3DSP.
from
MAIN
8U-310151
Digital UNIT(4/5)
Ref700～799
3A
TO A3
5A
TO A5
4B
TO B4
N701
TO B3802
56
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