Schematic Diagram - Marantz MM8003 Service Manual

9. SCHEMATIC DIAGRAM

BALANCED INPUT PWB
C501 R503
RA2 10K
25V/22UF
C515
JK50
WIMA
2 -15V 47pF
FL
3
1
R513
10K
C502 R504
4 3 2 1
RA2 10K
25V/22UF
C505
R509
5 6 7 8
RA2 10K
25V/22UF
R514
JK51
10K
2
FR
3
1
+15V
C516
WIMA
C506 R510
47pF
10K
RA2
25V/22UF
1.FL
UNBAL_FL
2.GND
3.FR
UNBAL_FR
4.GND
5.SL UNBAL_SL
6.GND
7.SR
UNBAL_SR
8.GND
9.NC
1.SBL
UNBAL_SBL
2.GND
3.SBR
UNBAL_SBR
4.GND
5.CNT
UNBAL_CNT
6.GND
7.OPT.
UNBAL_OPT.
8.GND
9.NC
C601 R603
10K
RA2
25V/22UF
C615
JK60
WIMA
-15V
2 47pF
SL
3
1 R213
10K
C602
R604
4 3 2 1
RA2 10K
25V/22UF
C605 R609
5 6 7 8
RA2 10K
25V/22UF
R214
JK61
10K
2
SR
3
1
+15V
C616
WIMA
C606 R610
47pF
RA2 10K
25V/22UF
9.SW_FL
INPUT_FL
8.SW_FR
INPUT_FR
7.SW_SL
INPUT_SL
6.SW_SR
INPUT_SR
5.SW_SBL
INPUT_SBL
4.SW_SBR
INPUT_SBR
3.SW_CNT
INPUT_CNT
2.SW_OPT.
INPUT_OPT.
1.NC
FROM POWER PWB
+15V
C525
ROA
R515 C519 R521 C523 22uF/25V R529
10K OPEN 10K WIMA 100
-15V -15V
47pF
4 3 2 1
R517 R523
5.1K 10K
5 6 7 8
RY50
4 3 2 1 4 3 2 1
-
5 6 7 8 5 6 7 8
4 3 2 1
R519 R525
5.1K 10K
5 6 7 8
RY51
+15V +15V
R520 C520 R526 C524 C526 R530
10K OPEN 10K WIMA ROA 100
47pF 22uF/25V
Q501
KRC102S
INPUT_FR
Q502
KRC102S
INPUT_FL
+15V
C625
ROA
R615 C619 R621 C623 22uF/25V R629
10K OPEN 10K WIMA 100
-15V
-15V
47pF
4 3 2 1
R617 R623
5.1K 10K
5 6 7 8
RY61
4 3 2 1 4 3 2 1
5 6 7 8 5 6 7 8
4 3 2 1
R619 R625
5.1K 10K
5 6 7 8
RY62
+15V +15V
C624
R620 C620 R626 C626 R630
10K OPEN 10K WIMA ROA 100
47pF 22uF/25V Q601
KRC102S
INPUT_SR
Q 6 0 2
K R C 1 0 2 S
INPUT_SL
+15V -15V
C550 C551
100/25V 100/25V
+15V -15V
FR FL SR SL
1 2 3 4 5 1 2 3
CN70 CJP05GA01ZY BN20 CWB030B50
TO UNBAL. PWB
21
C701
R703
UNBAL_FL
RA2 10K
25V/22UF
OUT00
JK70
2
+15V
SBL
3
1
C702 R704
RY52 RA2 10K
25V/22UF
8 7 6 5
C705 R709
1 2 3 4
RA2 10K
25V/22UF
JK71
2
SBR
3
1
OUT01
C706 R710
UNBAL_FR
RA2 10K
25V/22UF
Q503
KRC102S
MUTE
OUT05
OUT04
C801 R803
RA2 10K
25V/22UF
UNBAL_SL
JK80
OUT02
2
CNT
3
+15V
1
C802 R804
RA2 10K
25V/22UF
RY63
8 7 6 5
C805 R809
1 2 3 4 10K
RA2
25V/22UF
JK81
2
OPT.
3
1
OUT03
C806
R810
RA2 10K
UNBAL_SR 25V/22UF
Q 6 0 3
K R C 1 0 2 S
OUT07
MUTE
OUT06
SBR SBL CNT OPTION
1 2 1 2 1 2
BN35 BN34 BN33 BN32
C W B 0 2 0 2 0 0 C W B 0 2 0 B 5 0 C W B 0 2 0 2 0 0 C
TO AMP2 PWB
C715 R715 C719 R721
WIMA 10K OPEN 10K
47pF
-15V -15V -15V
R713 R717
10K 5.1K
4 3 2 1 4 3 2 1 4 3
5 6 7 8 5 6 7 8 5 6
R714 R719 R725
10K 5.1K 10K
+15V
+15V
C716 R720 C720 R726 C724
WIMA 10K OPEN 10K WIMA
47pF 47pF
C815 R815 C819 R821
WIMA 10K OPEN 10K
-15V 47pF -15V -15V
R813 R817
10K 5.1K
4 3 2 1 4 3 2 1 4 3
5 6 7 8 5 6 7 8 5 6
R814 R819 R825
10K 5.1K 10K
+15V
+15V
C816 R820 C820 R826 C824
WIMA 10K OPEN 10K WIMA
47pF 47pF
OUT[00:07]
1 2 1 2 1 2 1 2 1 2
BN37 BN36 BN31 BN30
W B 0 2 0 B 5 0 CWB020B50 CWB020200 C W B 0 2 0 B 5 0 C W B 0 2 0 2 0 0
TO AMP1 PWB
22
+15V
C725 UNBAL_SBL
ROA
C723 22uF/25V R729
WIMA 100
+15V
47pF
4 3 2 1
R723
5 6 7 8
10K
RY71
2 1
RY73
8 7 6 5
1 2 3 4
7 8
4 3 2 1
5 6 7 8
RY72
+15V
C726 R730
100
ROA
22uF/25V
Q701
UNBAL_SBR
KRC102S
INPUT_SBR
Q702
Q303
KRC102S
KRC102S
INPUT_SBL MUTE
+15V
UNBAL_CNT
C825
ROA
C823 22uF/25V 100
WIMA R829
47pF +15V
R823
4 3 2 1
10K
5 6 7 8
RY81
2 1
RY83
8 7 6 5
1 2 3 4
7 8
4 3 2 1
5 6 7 8
RY82
+15V
C826 R830
ROA 100
22uF/25V Q803
Q801
UNBAL_OPT.
KRC102S KRC102S
INPUT_OPT. MUTE
Q802
KRC102S
INPUT_CNT