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SCHEMATIC DIAGRAM - 7
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
100
R2859
KEY2
KEY2
93
R2860
100
KEY1
KEY1
94
PHOTO_2
R2861
PHOTO_2
95
100
96
AVSS
R2862
PHOTO_1
97
PHOTO_1
100
VREF+
98
VREF
VCC
AVCC
99
100
DEMO
R2867
100K
C2821
100P
C2820
100P
C2819
100P
C2818
100P
C2831
0.022
C2832
330P
R2876
22K
R2877
22K
2
4
3
IC2802
C3EBDG000052
E-EPROM IC
(NOT SUPPLIED)
6
5
7
R2878
4.7K
C2833
330P
: +B SIGNAL LINE
76
72
68
66
80
79
78
77
75
74
73
71
70
69
67
IC2801
C2CBJG000564
MICROPROCESSOR
1
2
3
4
5
6
8
9
10
11
12
13
14
15
7
R2801
10K
1
R2883
330K
R2882
8
10M X2801
H0A327200073
65
65
64 63
62
61
60
59
58
57
56
55
54
52
51
53
DCDET
PCONT/EFP_/CE
EE_DAT
EE_CLK
EE_CS/EFP_/EPM
MUTE_A
MUTE_H
REG1
REG2
REG3
REG4
REG5
REG6
REG7
REG8
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
C2852
16V100
R2881
220
R2886
1M
C2856
1
IN
OUT
C2840
18P
GND
X2802
H2B100500004
C2841
18P
VREF+
R2827
R2830
R2831
10K
10K
10K
NC
50
49
NC
NC
48
DCDET
R2834
1K
47
PCONT
46
NC
45
NC
44
EE_DAT
43
EE_CLK
42
EE_CS
41
MUTE_A
40
MUTE_H
39
38
37
36
35
34
33
32
31
SW5V
R2804
47K
R2805
47K
R2807
10K
R2806
10K
C2851
0.1
D2802
R2891
47K
B0ADCJ000020
R2810
22K
SYS6V
R2892
C2853
0
R2811
0.1
0
C2854
16V100
Q2806
C2857
50V2.2
VREF+
Q2806
B1GBCFJJ0039
D2804
POWER RESET
B0ACCK000005
CONTROL SWITCH
SA-AK33 1GCP
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