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SA-AK630EE
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
100
KEY3
R2858
R2859
100
KEY2
100
R2860
KEY1
PHOTO_2
R2861
100
R2862
PHOTO_1
100
VREF+
VCC
R2867
100K
C2831
0.022
C2832
330P
R2876
R2877
C2833
330P
: +B SIGNAL LINE
80
79
76
75
74
78
77
81
MCLK
82
/RESTSW
83
CHG_HLF
84
CHG_CW
CHG_CCW
85
86
CHG_SW1
87
CHG_SW2
88
CHG_PLR
89
CHG_AD2
90
CHG_AD1
91
DECK2
KEY3
92
93
KEY2
KEY1
94
PHOTO_2
95
AVSS
96
97
PHOTO_1
VREF
98
AVCC
99
100
DEMO SELECTOR
1
2
3
4
6
5
7
R2801
C2821
100P
10K
C2820
100P
C2819
100P
C2818
100P
22K
22K
4
3
2
1
IC2802
C3EBDG000052
E-EPROM IC
(NOT SUPPLIED)
5
6
7
8
R2878
4.7K
73
72
71
70
69
68
67
66
65
64 63
62
61
60
59
58
IC2801
C2CBJG000561
MICROPROCESSOR
9
12
13
14
16
18
19
20
21
22
23
8
10
11
15
17
R2881
220
R2886
1M
R2883
330K
IN
C2840
R2882
18P
10M X2801
GND
H0A327200073
C2841
18P
68
57
56
55
54
53
52
51
NC
50
49
NC
NC
48
47
DCDET
46
PCONT/EFP_/CE
45
NC
44
NC
43
EE_DAT
42
EE_CLK
41
EE_CS/EFP_/EPM
MUTE_A
40
MUTE_H
39
38
REG1
37
REG2
REG3
36
REG4
35
REG5
34
REG6
33
REG7
32
REG8
31
24
25
26
27
28
29
30
R2804
47K
R2805
47K
R2807
10K
R2806
10K
C2851
0.1
R2891
47K
R2810
22K
C2853
C2852
16V100
0.1
Q2806
C2857
50V2.2
C2856
1
OUT
D2804
B0ACCK000005
X2802
H2B100500004
VREF+
R2832
10K
DCDET
R2834
1K
PCONT
EE_DAT
EE_CLK
EE_CS
MUTE_A
MUTE_H
BUSY
CLK
RXD
TXD
SW5V
D2802
B0ADCJ000020
SYS6V
R2892
0
R2811
0
C2854
16V100
VREF+
Q2806
B1GBCFJJ0051
POWER RESET
CONTROL SWITCH
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