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SA-AK330GC / SA-AK330GN
SCHEMATIC DIAGRAM - 7
MAIN CIRCUIT
MCLK
RESTSW
CHG_HLF
CHG_CW
CHG_CCW
CHG_SW1
CHG_SW2
CHG_PLR
CHG_AD2
R2856
100
CHG_AD1
R2857
100
DECK2
KEY3
R2858
100
R2859
100
KEY2
100
R2860
KEY1
PHOTO_2
R2861
100
R2862
PHOTO_1
100
VREF+
VCC
R2867
100K
C2831
0.022
C2832
330P
R2876
22K
R2877
22K
4
C3EBDG000052
5
C2833
330P
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: +B SIGNAL LINE
80
79
78
77
76
75
74
73
72
71
70
81
MCLK
82
/RESTSW
83
CHG_HLF
84
CHG_CW
85
CHG_CCW
CHG_SW1
86
CHG_SW2
87
88
CHG_PLR
89
CHG_AD2
90
CHG_AD1
91
DECK2
92
KEY3
KEY2
93
KEY1
94
PHOTO_2
95
AVSS
96
97
PHOTO_1
VREF
98
99
AVCC
100
DEMO
1
2
3
4
5
6
7
8
9
10
11
R2801
C2821
100P
10K
C2820
100P
C2819
100P
C2818
100P
3
2
1
IC2802
E-EPROM IC
(NOT SUPPLIED)
6
8
7
R2878
4.7K
66
58
56
54
69
68
67
65
64 63
62
61
60
59
57
55
53
52
PCONT/EFP_/CE
IC2801
EE_CS/EFP_/EPM
C2CBJG000564
MICROPROCESSOR
24
26
28
29
12
13
14
15
16
17
18
19
20
21
22
23
25
27
R2881
220
R2886
1M
R2883
C2856
330K
1
IN
OUT
C2840
R2882
18P
10M X2801
GND
H0A327200073
X2802
H2B100500004
C2841
18P
64
51
FOR
GC ONLY
R2831
R2832
100K
GC:10K
NC
50
GN:100K
49
NC
NC
48
R2834
1K
47
DCDET
46
45
CD2-LED
44
CD1-LED
EE_DAT
EE_DAT
43
42
EE_CLK
41
MUTE_A
MUTE_A
40
MUTE_H
MUTE_H
39
REG1
38
REG2
37
REG3
36
REG4
35
REG5
34
REG6
33
REG7
32
REG8
31
30
R2804
47K
R2805
47K
R2807
10K
R2806
10K
C2851
0.1
D2802
R2891
47K
B0ADCJ000020
R2810
22K
R2892
C2853
C2852
0
R2811
0.1
16V100
0
C2854
16V100
Q2806
C2857
50V2.2
Q2806
B1GBCFJJ0039
D2804
POWER RESET
B0ACCK000005
CONTROL SWITCH
VREF+
DCDET
PCONT
EE_CLK
EE_CS
SW5V
SYS6V
VREF+
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