Marantz MA-9S1 Service Manual page 8

P871
C871
0.01
(APS)
S871
POWER
SW
1 2
J871
1 2
W002
1 2
J852 2 1
AC
J001
W001 J851
J858 F851
2
(N.C)
1
F851
W003
250V 15A FUSE
J856
R851 R852
2.2 7w 2.2 7W
C852 C851
0.01 0.01
1 5 5 1
L852 L853
G851
2 3 2 3
D861
C856
0.47 6.8
(N.C) 10/50V
R853 D860
23.0
22 1W
(N.C)
24.1
2
R855
14.6 0.7 Q851
3 2SD1862
4.7K
D857 1 P851
(JUMPER)
D858
AC
(JUMPER)
INPUT
J859
S401 S401
1
12 BALANCE
2
11 UNBAL1
3
13 16
10 UNBAL2
14 15
4 9
5 8
6 7
INPUT SELECTOR
P211
(APA)
MODE SEL
TO GND
C001/C002
J801
36V
3
3
0V
2
2
36V
J857
1
1
J802
60V
1 1
2
0V 2 2
D803 D804 D805
21DQ10 21DQ10 21DQ10
60V 3 3
2 2
R817
J855 1
26V
1 1
1/2W
0V
J854
26V
1
L001
J810
D807 D808 D809
21DQ10 21DQ10 21DQ10 21DQ10
J803
1 1
R808
1 1/4W
2 2
3 3
R807
1 1/4W
(APS) 4 4
D811 D812 D813
11EQS10 11EQS10 11EQS10
D815 D816 D817
11EQS10 11EQS10 11EQS10 11EQS10
J811
GND
J401
1 1
2 2
3 3
D820 D819
4 4 11EQS10 11EQS10
J903
W004
+24V 1 1 +24V
1 1
2 2 2 2 -24V
-24V
J402
P801
(APS) (APM)
POWER SUPPLY
9
3 4
C001
1 2
22000
71V
1 2 3 4 1
1 2 3 4
1
J808 G801 J804
6.8 0.47
R804
49.0
2
1 1/2W 1 3
D801
KCH30A15
D802
KRH30A15
D806
3 1
21DQ10 -49.0
R803 2
1 1/2W
G802
6.8 0.47
C801
4700/80v
D810
C802
4700/80v
R926
22
22.7 22.0
Q801
-22.7
2SD1415
R811 R927
33.5
22
4.7
Q803
D 2
2SK246
1
8 R915
D814 5
G
11EQS10 D902
1K
S 3 7 0.0
2/2
0.0 6 1SS176
Q903
NJM2114D
24.0
D818
-24.0
METER ADJ
8
Q804 5
D 2
2SK246 R917
0.0 22K
1 7
G 1 2/2
6
0.2
S 3 Q904
0.0
NJM2114D
6 7
C904
R812 100P
2 3 5 Q905
-33.5 4.7
2SC3381
Q802
R813
2SB1020
4.7 R923
22K
D904 1SS176
Q903
2 NJM2114D
0.0
1/2
R913
3
1K 0.0 4
TO J623/J624
W028/W029
W032
GND
C002
TO J625/626
22000
W030/W031
71V
W033
2 3
2 3 J807
J822
TO J602
GND
J809
1
+55V
-55V 2
U831
GND 3
(N.C) -55V 4
+55V 5
-22.0
R912
10K
D901
4 4
3 3 R901 HOT
1SS176 0.0
0.0 0.0
8 R910 R905 68K
- 6 0.0 1 1 COLD
1/2 1/2
0.0 10K 10K
7 0.0 0.0 -30V
2/2 Q902 Q901
NJM2114D 2 2
+ 0.0 NJM2114D RELAY
Q902
5
R908
NJM2114D +24V
10K
GND
-24V
J901
22.0
-22.0
8 R902
5
4 7 0.0
3 R906 68K
2/2
0.0 10K
-0.5 1 0.0
1/2
Q901
6
2
0.0 NJM2114D
Q904
NJM2114D
1 2
C905 R920
1.7
100P 100K J902
3 -24V
R919
+24V
2.2K
R924 R925
0.0 METER
680 150 22.6 R928 GND
47
5 4 3 1
1
-0.3
8 9 10 12
1.2
10
P961
(APM)
D961
SELU1E50CM-S
LEVELE
-23.0 -20.0 P981
(APM)
METER
R LED
R991 2.2K
C961
C971 0.1
0.1
D971 R941
J981
SELU1E50CM- S
5 1
2.2K
C992
C991 R982
4 10/25V 2
D981
-23.0 10/25V 3.9K 3 SELU1E50CM-S
3 C993
1W
10/25V
2 4 -23.0
5
1 M902
R992
P971
J971 C981 0.1
3.9K + -
1W
(APM)
1 2
R981 2.2K
L LED
C994
1/50V
J961
TO J905
1 1
2 2
3 3
4 4
W009
5 5
6 6
7 7
P951
J952 (APM)
LEVEL
ON/OFF
SW
METER OFF SW
S951
ON
4 1
5 2
J951
1 1 W008 1 1 -24V 6 3
OFF
R983
2 2 2 2 +24V
(N.C)
3 3 3 3 METER
4 4 4 GND
4
J953
2 2
1 1
W035