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Main 9/13 (AUDIO AMP) Schematic Diagram
DUNTKE449WE01
TO MAIN7(VCT-PRO)
SPKOUTL
SPKOUTL
SPKOUTR
SPKOUTR
TO MAIN9(UCON/PANEL_IF)
MUTE_SP
MUTE_SP
SEES Engineering Department
Q2701
DTC614TK
C2710
C2716
100u
100u
25V
25V
ASY
ASY
POW_PAD
1
NC
2
C2714
1u
10V
3
CYB
4
C2711
5
1u
C2705
10V
CYB
1u
C2708
6
10V
1000P
CYB
C2701
2.2u
7
R2706
10V
C2715
1.8K
0.1u
KZA030WJ
C2709
8
1000P
3
4
25V
C2712
1u
1
2
9
10V
C2706
C2702
CYB
2.2u
1u
R2715
10
10V
10V
270K
F
KZA030WJ
CYB
R2711
10K
11
R2716
100K
F
12
10W
(INPUT+12V-8
&8 )
R2701
0
R2702
0
R2703
0
R2704
0
AUDIO POWER AMPLIFIER
6. Electrical Diagram
L2701
C2720
C2721
L2704
22uH
0.47u
0.47u
22uH
PA899WJ
25V
25V
PA899WJ
TVB
TVB
C2724
C2718
1u
1u
25V
25V
KZA114WJ
KZA114WJ
45
44
43
42
41
39
48
47
46
40
38
37
R2723
220K
NC
36
1
2
3
4
NC
35
NC
R2719
5
6
0
GAIN1
PVDDREG
34
7
8
AVDD
GAIN0
33
INLP
NCDRC1
32
IC2701
INLM
NCDRC0
31
R2728
YDA147SZ
220K
VREF
30
CKIN
INRM
CKOUT
29
R2730
10K
INRP
MUTEN
28
AVSS
PROTN
27
PLIMIT
SLEEPN
26
NC
25
NC
R2718
R2720
R2722
C2730
R2729
0
0
0
1000P
470K
13
14
15
16
17
18
19
20
21
22
23
24
C2725
C2717
1u
1u
25V
25V
KZA114WJ
KZA114WJ
L2702
L2703
22uH
22uH
PA899WJ
PA899WJ
C2719
C2722
0.47u
0.47u
25V
25V
TVB
TVB
Training course: D44
70
AC_DET
R2726
0
R2727
0
R2724
0
R2725
0
R2731
5.6K
(continued)
(
)
TO MAIN10(POWER SUPPLY)
AC_DET
AMP+13V
P2701
NA160WJ
TL2703
TO SPEAKERS
4
LCH(+)
TL2704
3
LCH(-)
TL2705
2
RCH(-)
TL2706
1
RCH(+)
SP
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