Marantz PM-12 OSE, Service Manual

Page: 14 / 56

SCH06 POWER
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
From Main Trans
8U-210238-3
POWER
To
Audio1 PWB
N2103
To
TONE/HP PWB
N2501
R8105/R8106
F : 68(AMRS)
N : 68(Akane)
R8109/R8110
F : 560(AMRS)
N : 560(Akane)
1
2
3
1
2
3
1
2
3
1 +15V
2 A_GND
3 -15V
4 L_GND
5 +24V
1 +15V
2 A_GND
3 -15V
4 L_GND
5 +24V
6 D_GND
3P-VH
N8101
D8102
FRG20BU15
Z8107
GND-TERMINAL
D8101
FCG20BU15
R8101
0.68UF/4.7ohm
B8101
61205060100AS
SRC3-SIN1.8_AWG18_BLK
R8154
10K
C8151
1/50
Q8152
KT
C3875S
D-GND
R8152
56K
Q8151 KTC3875S
R8151
56K
R8153
10K
Q8101
KS
A992F
TA
Q8102 KSC1
845F
TA
R81
04
68K
C8103
220/25
C8104
220/25
Q8105
2SA1859(O/Y)
Q8106
2SC4883(O/Y)
100P C8105
C8107
470/25
C8108
470/25
44741011000AS
HEAT_SINK_W36.2xL50
Z8101
44541021300AS
Z8105
TR_SHIELD
00M51100308M9
Z8103
SCREW
44541021300AS
Z8106
TR_SHIELD
44741011000AS
HEAT_SINK_W36.2xL50
Z8102
00M51100308M9
Z8104
SCREW
100P C8106
+24V
L-GND
5P-EH(IM)
N8102
D810
6
D810
4
1S
S133
D810
3
1S
S133
D
810
5
OPEN
C8152
6P-EH(IM)
N8103
L-GND D-GND
SHORT
J8001
C8109
220/25
C8110
220/25
C8153
OPEN
R8155
OPEN
OPEN
C8154
R8158
OPEN
Q8153 OPEN
R8156
OPEN
D-GND
Q8154 OPEN
R8157
OPEN
R8112
SHORT
R8111
SHORT
R8159
100K
0.01
C8155
PROT_2
OPEN
C8156
R8160
OPEN
Q8156 OPEN
Q8155 KT
A1504S
R81
02
OPEN
R81
03
OPEN
UD
ZS
7.5B
D
810
9
UD
ZS
7.5B
D
811
0
Q8104
2SA1312(B)
Q8103
2SC3324
R8108
220
R8107
220
C8101
6800/35
C8102
6800/35
UD
ZS
8.2B
D
810
7
UD
ZS
8.2B
D
810
8
R81
10
560
R81
09
560
R81
06
68
R81
05
68
B9
TO 9B
N8102
TO N2103
N8103
TO N2501
N8101
TO MainTrans1
Before Servicing
This Unit
Electrical
Mechanical
Repair Information
Updating
14