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SCHEMATIC DIAGRAM - 6
MAIN CIRCUIT
MCLK
81
MCLK
RESTSW
/RESTSW
82
CHG_HLF
83
CHG_HLF
CHG_CW
CHG_CW
84
CHG_CCW
85
CHG_CCW
CHG_SW1
86
CHG_SW1
CHG_SW2
87
CHG_SW2
CHG_PLR
88
CHG_PLR
CHG_AD2
R2856
100
89
CHG_AD2
CHG_AD1
R2857
100
CHG_AD1
90
DECK2
91
DECK2
100
KEY3
R2858
92
KEY3
R2859
100
KEY2
KEY2
93
100
R2860
KEY1
94
KEY1
PHOTO_2
R2861
PHOTO_2
95
100
AVSS
96
R2862
PHOTO_1
97
PHOTO_1
100
VREF+
98
VREF
VCC
99
AVCC
DEMO
100
R2867
100K
C2821
100P
C2820
100P
C2819
100P
C2818
100P
C2831
0.022
C2832
330P
R2876
22K
R2877
22K
2
4
3
1
IC2802
C3EBDG000052
E-EPROM IC
(NOT SUPPLIED)
6
5
7
8
R2878
C2833
4.7K
330P
: +B SIGNAL LINE
76
68
66
65
64 63
80
79
78
77
75
74
73
72
71
70
69
67
IC2801
C2CBJG000565
MICROPROCESSOR
1
3
16
2
4
5
6
7
8
9
10
11
12
13
14
15
17
R2801
10K
16V100
R2883
330K
R2882
10M X2801
H0A327200073
63
60
58
56
55
54
62
61
59
57
53
52
51
NC
50
49
NC
48
NC
47
DCDET
46
PCONT/EFP_/CE
45
CD2-LED
44
CD1-LED
43
EE_DAT
42
EE_CLK
EE_CS/EFP_/EPM
41
MUTE_A
40
MUTE_H
39
REG1
38
37
REG2
REG3
36
REG4
35
REG5
34
REG6
33
REG7
32
REG8
31
18
21
22
23
24
25
26
28
29
30
19
20
27
R2804
R2805
R2807
R2806
C2851
R2891
R2810
C2853
C2852
0.1
R2881
220
R2886
Q2806
1M
C2856
1
IN
OUT
C2840
18P
GND
B0ACCK000005
X2802
H2B100500004
C2841
18P
SA-AK230PL
R2834
1K
/DCDET
PCONT
CD2-LED
CD1-LED
EE_DAT
EE_CLK
EE_CS
MUTE_A
MUTE_H
BUSY
CLK
RXD
TXD
47K
SW5V
47K
10K
10K
0.1
D2802
47K
B0ADCJ000020
22K
SYS6V
R2892
0
R2811
0
C2854
16V100
C2857
50V2.2
VREF+
Q2806
B1GBCFJJ0039
D2804
POWER RESET
CONTROL SWITCH
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