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18.5. Power Circuit
SCHEMATIC DIAGRAM-12
POWER CIRCUIT
R790
3.3K
C733
CP501
50V0.33
1 +10V
TGND
2
R_IN
3
L_IN
4
+9V
5
TO
SGND
6
MAIN CIRCUIT
DGND
(CN301) ON
7
SW5V
SCHEMATIC
8
10V
DIAGRAM-4
9
FAN1
10
FAN2
11
7.5V
12
PGND
13
CP502
SUBWOF
1
7.5V
2
CD3.3V
3
TO
/CD
4
MAIN CIRCUIT
MUTEA
5
(CN302) ON
D526
MUTEH
6
SCHEMATIC
DCDET
DIAGRAM-6
7
HP_SW
8
HP_L
D527
9
HPGND
10
HP_R
11
+10V
C734
R791
50V0.33
3.3K
+9V
SW5V
10V
FAN1
FAN2
7.5V
SUBWOF
7.5V
+9V
DCDET
Q704
MUTEH
R712
1K
D526,D527
B0AACK000004
Q704
KRA102MTA
MUTING SWITCH
IC503
C0CAABE00006
3.3V REGULATOR IC
IC503
KTA12710YTA
2
3
1
C732
C719
16V220
10V100
Q724
KTC3199GRTA
SWITCH
R792
560
: - B SIGNAL LINE
: +B SIGNAL LINE
: MAIN SIGNAL LINE
R778
15K
KTC3199GRTA
R775
15K
Q721
Q721
KTC3199GRTA
AGC
C705
R713
R726
56K
10V10
27K
R797
4.7
Q723
SWITCH
C761
R794
0.01
10K
Q722
R793
KRA110MTA
100
SWITCH
C760
25V33
81
SA-PM29E / SA-PM29EB / SA-PM29EG
D708
R776
MA2C16500E
1K
C738
R774
16V10
100K
R772
4.7K
Q720
R758
SWITCH
R752
100K
C750
0.027
R720
82K
R766
8.2K
C742
50V0.47
C746
C748
100P
27P
4
3
2
1
C744
0.01
IC501
C0AABB000125
OP AMP IC
5
6
7
8
R767
C745
C747
8.2K
27P
100P
C741
R721
R727
50V0.47
82K
100K
C749
0.027P
R753
2.2K
D709
R773
MA2C16500E
1K
R759
C711
R771
4.7K
16V10
100K
R748
1.5K
R750
3.3K
Q718
Q719
R749
Q718,Q719
1.5K
B1AAGC000006
MUTING SWITCH
R751
3.3K
R798
1K
Q725
Q726
R799
1K
Q725,Q726
B1AAGC000006
AMPILIFIER
2.2K
C726
16V10
C710
1000
C709
1000
C727
16V10
C743
0.01
R754
22
C728
3300P
R755
22
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