Marantz SA12 Service Manual page 53

Power supply
C801 D6 C815 D8 C824 A7 C843 E7 C854
C802 D6 C816 D8 C827 B7 C844 E7 CH01
C803 D7 C817 D8 C828 B7 C845 E8 CH02
C804 D7 C818 D8 C829 B8 C846 E8 CN01
C805 D8 C821 B6 C830 A8 C851 E9 CN02
C806 D7 C822 A6 C841 E6 C852 E9 CN03
C814 D7 C823 B7 C842 E6 C853 E9 CN21
1 2
A
B
C
LPT PH16
230V
D
115V
JH01
W001 CH01 CH02
UH05
N NC NC
AC_CORD
GH05
L
UH04
JH02 JH03
0.01uF AC250V
FH01
LH02 T2A 250V for F,U
1 5 for N,S
T1A 250V
2 3
DH01
E 11EQS10
GND
F
1 2
E9 CN22 C8 D822 B6 D841 E7 DN03 E7 F801
D2 CN23 C9 D823 B6 D842 E7 DN03 F6 F821
D3 D801 D7 D824 A6 D843 E6 DN04 E6 F822
F6 D802 D7 D825 B7 D844 E6 DN06 F6 F841
F6 D803 D6 D826 B7 DH01 E2 DN07 F8 FH00
F6 D804 D6 D827 B7 DN01 F6 DN08 F8 GH05
C8 D821 B6 D828 B7 DN02 E7 DN20 C9 J801
3 4
L001 for F
JH05
L001 for U,N,S
SH02
J 801
6 3 1 AC13VAP
5 2 2 0V
4 3
1
4
UH03
5
6
NC
4 7
3
UH01
NC 2
1
AGND
JH04
UH02
NC
3 4
57
D6 JH01 D1 Q801 D7 QN02 F8 R803
B6 JH04 D3 Q811 D7 QN03 F8 R804
A6 JH05 C3 Q812 D8 QN04 F8 R821
E6 L001 C4 Q821 B8 QN05 F8 R822
D2 L001 D4 Q822 A8 QN20 C7 R823
D2 LD81 B9 Q841 E7 R801 D8 R824
D5 LH02 E2 QN01 F6 R802 D8 R825
5 6 7
LPS
F822 T800m A L 250V
J823 J824
16.7V
AC13.7V R822
D824 0
R824
C822
11EQS10
C824 R826
NC 680
3300/ 2 5 1k 1W
AGND for N,S
D823
C828
11EQS10
100/25
C827
AGND
100/25
R825
C823 1k 1W
F821 T800m A L 250V
D822
3300/ 2 5 for N,S
R823
11EQS10
J821 J822 680
R821
AC13.7V D821
-16.7V 0
C821
11EQS10
NC
AGND
LMU
RN21
3.3k RN22
3.3k
F801 T2A L 250V
J803 J804
Q801
C803 C806
D802
D804 PQ15RW11
4700/ 1 6 4700/ 1 6
C802 10.0V
1
NC
11EQS10 11EQS10
DAGND
AC8.7V
D803 D801 C804
DAGND
0.1
11EQS10 11EQS10
C801
DAGND
NC
AC13VAN
AC6VP DAGND 3
AC6VN
AC13VRP
AC13VRN C814
0.1
F841 T400m A L 250V
DAGND
J841 J842
Q841
D844 D842 78M12
C842
16.1V 3
NC IN
11EQS10 11EQS10 GND
RGND
AC13.2V C844
D843 D841 C843
RGND 1000/ 2 5
0.1
11EQS10 11EQS10
RGND
C841
NC
RGND
LMU
DN04 DN02 DN05
15.5V
11EQS10
11EQS10 11EQS10
CN03 RN04
DN03 DN01 470/25 47k
GND
GND
11EQS10 11EQS10 RN01 RN02
3.9M
1k
DN06
RN03 CN02
CN01
18k 2.2/50
1/50
GND GND GND
5 6 7
D8 R826 A7 RN07 F8 RN24 C7
D8 RN01 F6 RN08 F8 RN25 C8
B7 RN02 F6 RN09 F8 RN26 C9
A7 RN03 F6 RN10 E9 RN27 C9
B7 RN04 F6 RN21 C7 SH02 D3
A7 RN05 F8 RN22 C7 W001 D1
B7 RN06 F8 RN23 C8
8 9
+12VA
Q822
2SD1415 11.2V
+12VR +5VA +12VA
+3.3VD -12VA
J802
C830 1
AGND
1000/ 1 6 ARA for F,U 2
AGND
D828 470/25 ARS for N,S 3
+12VA
4
D826
-12VA
5
13V
DAGND
6
+5VA
7
D825
+3.3VD
C829 8
13V
GND
D827 1000/ 1 6 ARA for U,F 9
GND
470/25 ARS for N,S
10
RELAY
-12VA
11
AMUTE
12
RGND
13
-11.2V +12VR
14
STANDBY
Q821 GND RGND DAGND AGND
2SB1020
LD81
QN20
TA7317P
SGND GND
RN23
100k
CN21
4.7/50
GND GND
GND
RN24
RN25
47k CN22
DN20
33k
0.47/50
RN26
10k
RN27
DAN202U
CN23
100k
0.022
+5VA GND
5.5V
2
IN OUT
R801
GND ADJ
1.2k F
R802
C805
1.2k F R803 220/16
NC ARA
R804
2.2k F
+3.3VD
Q811
Q812
78M05
BA033FP
3.3V
5.0V
1 1 3
IN OUT IN OUT
GND GND
C816 C818
0.1 0.1 for F,U
C815 C817
100/10 ARA for N,S
220/16 RA2 for F,U 100/10 RA2 for F,U
100/10 ARA for N,S NC for N,S
+12VR
C854 0.01
1 12.0V
OUT C853 0.01
C846
0.1 SGND FG2
C845
220/16
C852 0.01
C851 0.01
RGND
SGND FG1
QN03 QN04
2SC4116 2SC1586
RN10
22k
RN05 RN06 RN08
4.7k
10k 2.2k
QN01
2SC4116
5.6V
DN07
RN09
DN08 4.7k
5.6V
QN02 GND
RN07
2SC4116
10k
QN05
2SC4116
GND GND
8 9
58
A
B
C
D
E
F