Marantz PM-12 OSE, Service Manual

Page: 9 / 56

SCHEMATIC DIAGRAMS
SCH01 AUDIO (RCA-IN)
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 Rch SIGNAL Lch SIGNAL STBY POWER
L
R
L
R
L
R
LINE1
LINE2
RECORDER1
CD
R
L
8U-210238-1
AUDIO
(RCA-IN)
to
PHONO PWB
N4003
from UCOM PWB
N1001
MM
+3.3V: MM function
0V: MC function
RECORDER2
R
L
R
L
P.AMP IN
Bi-amp
to REC-OUT
to VOLUME
to UNBAL-BAL AMP
from POWER PWB N8102
BI-AMP
+3.3V: BI-AMP
0V: STEREO
to VOLUME
KOA
KOA
CFPS
CFPS
KOA
KOA
KOA
KOA
KOA
KOA
KOA
KOA
KOA
KOA
TONE
TONE
REC1
LINE2
LINE1
CD
REC1 LINE2
EXP_QS
MM
PHONO LINE1
CD
REC2
P.AMP
P.AMP
EXP_CE
EXP_CL
K
EXP_OE
DET
V_DATA
V_CLK
V_LAT
DET
V_D
AT
A
V_CLK V_LA
T
POW_MUTE
REC2
POW_MUTE
MM
PHONO
BI
-AMP
.
TONE
5
7 3
5
7 3
1
2
1
2
1
2
6
8 4
5
7 3
6
8 4
6
8 4
6
8 4 1
2 5
7 3
1 +15V
2 NC
3 -15V
4 PHONO_L
5 A_GND
6 A_GND
7
PHONO_R
8 +24V
9 MM
1
2
1
2
1
3
2
4
6
5
1
3
2
1
2 5
7 3
6
8 4
4
6
5
1
2 5
7 3
6
8 4
1
3
2
5
7
3
1
2 6
8
4
1 +15C
2 A_GND
3 -15V
4 L_GND
5 +24V
1
+3.3V
D
2
D_
G
ND
3
EXP_CE
4
EXP_QS
5
EXP_OE
6
EXP_CL
K
7
DET
8
V_DA
T
9
V_CLK
10
V_LA
T
11
POW_MUTE
1
STB
2
DAT
A
3
CLK
4
Q1
5
Q2
6
Q3
7
Q4
8
VSS
9
QS
10
Q'
S
11
Q8
12
Q7
13
Q6
14
Q5
15
OE
16
VD
D
1
STB
2
DAT
A
3
CLK
4
Q1
5
Q2
6
Q3
7
Q4
8
VSS
9
QS
10
Q'
S
11
Q8
12
Q7
13
Q6
14
Q5
15
OE
16
VD
D
1
2
6
8 4
5
7 3
1
2
1
2
6
8
4
6
8
4
5
7
3
5
7
3
1
2
3
7
6
5
V+
8
V-
4
C2004
OPEN
L-GND.
NA24W-K
S2002
NA24W-K
S2003
C2007
OPEN
CHASSIS
C2005
OPEN
NA24W-K
S2004
L-GND.
C2003
OPEN
L-GND.
C2006
OPEN
C2008
OPEN
A-GND.
+15V.
L-GND.
NA24W-K
S2001
9P-EH
N2003
L-IN
R-IN
D-GND.
+3.3VD.
D-GND.
D-GND.
D-GND.
D-GND. D-GND.
+3.3VD.
D-GND.
D-GND.
D-GND.
L-GND.
STYLE-PIN
Z2004
STYLE-PIN
Z2003
2P-EH
N2002
2P-EH
N2001
4P-PINJACK
K2001
4P-PINJACK
K2002
L-GND. CHASSIS
NA24W-K
S2005
C2009
OPEN
C2010
OPEN
L-GND.
NA24W-K
S2006
C2011
OPEN
A-GND.
CHASSIS
C2012
OPEN
C2002 OPEN
C2001 OPEN
2P-PINJACK
K2003
+24V.
NA
24W
-K
S2008
REC1_MUTE
REC2_MUTE
R2201
47K
R2204
47K
R2202
100
R2205
100
0
R2206
0
R2203
100
R2207
100
R2209 R2208
100
C2209 1000P C2210
OPEN
C2208
OPEN
C2204 2200P
C2205 2200P
C2203
0.1
C2202
0.1
C2013
0.1
C2014
0.1
C2016
0.1
C2015
0.1
DET
+3.3VD
.
D-GND.
V_DATA
V_CLK
V_LAT
POW_MUTE
A-GND. L-GND.
+24V.
+15V.
-15V.
5P-EH(IM)
N2103
GND-TERMINAL
Z2002
C2206
0.1
C2207
0.01
D2002
1S
S355
D2005
1S
S35
5
D2006
1S
S35
5
D2001
1S
S355
D2003
1S
S355
D2004
1S
S355
D2008
1S
S355
C2201 47/16
11
P-PH N2201
Q2006
KRC105S
Q2005
KRC105S
Q2004
KRC105S
Q2009
KRC105S
Q2001
KRC105S
Q2003
KRC105S
Q2002
KRC105S
U2202
CD
74HC4094PWR
U2201
CD
74HC4094PWR
R2004
330K
R2008
330K
R2007
330K
R2006
330K
R2003
330K
R2010
33
0K
R2009
33
0K
R2002
330K
R2011
33
0K
R2012
33
0K
R2001
330K
R2005
330K
D2007
1S
S355
NA24W
-K
S2007
+24V.
Q2007
KRC105S
L-GND.
L-GND.
+24V.
C2017 10/35
-15V.
STYLE-PIN
50mm
Z2001
STYLE-PIN
50mm
Z2007
STYLE-PIN
50mm
Z2008
STYLE-PIN
50mm
Z2009
HP_REL_IN
46.4
R2013
46.4
R2014
Q2008
KRC105S
L-GND.
D5051
1S
S355
+24V.
S5051
L-GND.
Q5051
KRC105S C5051
10/35
S5052
NA24W-K
S5051
NA24W-K
S5052
TO_R
TO_L
A-GND.
A-GND.
-15V.
47
R5116
R5121
10
100K
R51
14
47
R5117
TI_L
100K
R51
15
C5118
100/25
R5120
10
TI_R
C5116
10/35
C5117
100/25
+15V.
C5115
10/35
C5119
10/35
C5120
10/35
22K
R51
13
22K
R51
12
REC-L-IN
REC-R-IN
NJM8068G-TE2
U5102
NJM8068G-TE2
U5102
NJM8068G-TE2
U5102
OPEN
B2001
46.4
R2015
46.4
R2016
46.4
R2017
46.4
R2018
46.4
R2019
46.4
R2020
46.4
R2021
46.4
R2022
46.4
R2023
46.4
R2024
STYLE-PIN
50mm
Z2010
A0
TO 0A
A1
TO 1A
A2
TO 2A
A3
TO 3A
A4
TO 4A
A5
TO 5A
A6
TO 6A
A7
TO 7A
N2003
TO N4003
N2103
TO N8102
N2201
TO N1001
Before Servicing
This Unit
Electrical
Mechanical
Repair Information
Updating
9