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SCHEMATIC DIAGRAM - 6
MAIN CIRCUIT
80
MCLK
81
MCLK
RESTSW
82
/RESTSW
CHG_HLF
83
CHG_HLF
CHG_CW
84
CHG_CW
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
93
KEY2
R2860
100
KEY1
94
KEY1
PHOTO_2
R2861
PHOTO_2
95
100
AVSS
96
R2862
PHOTO_1
97
PHOTO_1
100
VREF+
VREF
98
VCC
99
AVCC
100
DEMO
R2867
100K
C2821
100P
C2820
100P
C2819
100P
C2818
100P
C2831
0.022
C2832
330P
R2876
22K
R2877
22K
4
3
2
1
IC2802
C3EBDG000052
E-EPROM IC
(NOT SUPPLIED)
6
5
7
8
R2878
4.7K
C2833
330P
: +B SIGNAL LINE
66
79
78
77
76
75
74
73
72
71
70
69
68
67
65
64 63
IC2801
C2CBJG000565
MICROPROCESSOR
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
R2801
10K
C2852
16V100
R2886
R2883
330K
C2840
R2882
18P
10M X2801
H0A327200073
C2841
18P
65
58
56
54
62
61
60
59
57
55
53
52
51
NC
50
NC
49
48
NC
47
DCDET
46
PCONT/EFP_/CE
NC
45
NC
44
EE_DAT
43
EE_CLK
42
EE_CS/EFP_/EPM
41
MUTE_A
40
MUTE_H
39
38
REG1
37
REG2
REG3
36
REG4
35
W2909 W2912
34
REG5
REG6
33
REG7
32
REG8
31
19
20
21
22
23
24
25
26
27
28
29
30
ERJ3GEY0R00V
R2804
47K
R2805
47K
R2807
10K
R2806
10K
C2851
0.1
R2891
47K
R2810
22K
C2853
0.1
R2881
220
Q2806
1M
C2856
1
IN
OUT
D2804
GND
B0ACCK000005
X2802
H2B100500004
SA-AK23 0GCP
VREF+
R2831
10K
R2834
1K
/DCDET
PCONT
EE_DAT
EE_CLK
EE_CS
MUTE_A
MUTE_H
CLK
RXD
TXD
W2909, W2912
SW5V
D2802
B0ADCJ000020
SYS6V
R2892
0
R2811
0
C2854
16V100
C2857
50V2.2
VREF+
Q2806
B1GBCFJJ0051
POWER RESET
CONTROL SWITCH
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