Panasonic SA-PM31PC - Power Circuit

17.5. Power Circuit
13
12
11
10
2
4
6
8
9
7
5
3
1
T10V
R_IN
TGND
L_IN
+9V
SGND
DGND
SW5V
M10V
FAN1
FAN2
7.5V
PGND
CP501
7.5V
MUTEH
DCDET
R712
1K
R713
56K
C705
10
R726
27K
Q704
KRA102MTA
MUTTING CONTROL
R748
1.5K
R749
1.5K
Q719
Q718
Q718,Q719
B1AAGC000006
MUTTING CONTROL
R751
3.3K
R750
3.3K
R754
22
R755
22
C728
3300P
R767
8.2K
R721
82K
R727
100K
C749
0.01
R753
2.2K
R759
4.7K
R773
1K
R771
100K
D709
MA2C16500E
R775
15K
Q721
KTC3199GRTA
AGC
C745
100P
C747
27P
R788
100K
R768
4.7K
R764
68K
C740
1200P
C742
50V0.47
C744
0.01
R789
100K
R769
4.7K
C737
0.047
R765
68K
C739
1200P
C741
50V 0.47
C743
0.01
R766
8.2K
C746
100P
C748
27P
R752
100K
C750
0.01
R720
82K
R772
4.7K
R758
2.2K
R774
100K
C738
16V10
R776
1K
D708
MA2C16500E
R778
15K
Q720
KTC3199GRTA
AGC
7.5V
MUTEA
MUTEH
DCDET
HP_L
HPGND
HP_R
C726
16V10
C710
1000
C709
1000
C727
16V10
Q704
Q721
D701
B0AACK000004
R790
2.7K
R791
2.7K
C736
0.047
IC501
C0AABB000125
OP AMP IC
CP502
C733
50V0.47
C734
50V0.47
D702
B0AACK000004
D703
B0AACK000004
D704
B0AACK000004
D700
B0AACK000004
T10V
+9V
SW5V
M10V
FAN1
FAN2
7.5V
Q725
Q725,Q726
B1AAGC000006
MUTE
R799
1K
R798
1K
Q726
: +B SIGNAL LINE
TO
MAIN CIRCUIT
(CN301) ON
SCHEMATIC
DIAGRAM-6
TO
MAIN CIRCUIT
(CN302) ON
SCHEMATIC
DIAGRAM-6
: -B SIGNAL LINE
2
4
6
7
5
3
1
C771
16V10
123
678
4
5
: MAIN SIGNAL LINE
POWER CIRCUIT
SCHEMATIC DIAGRAM-11
81
SA-PM31P / SA-PM31PC