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MD-X8H
SITUATION :
A7
A8
A
REF3.2V
B
R1423
10K
R1424
10K
87 86 85 84 83 82 81
XRST
80
DIGCD
79
DIGEX
78
82 81
DFS1
77
C
DFS0
76
DAPON
75
ADPON
74
A/B
73
LDON
72
PCNT1
71
TP1416
PCNT0
70
69
68
TP1413
L3CLK
67
CON
TP1414
L3MODE
66
TP1415
L3DATA
65
D
GND
64
63
R1476
VCC
62
EEPK
61
EEPD
60
EPCS
59
R1474
EEPRO
58
57
56
55
SYD0
SYSD0
54
E
SYD1
49 50
SYSD1
53
SYD2
SYSD2
52
SYD3
SYSD3
51
44 45 46 47 48 49 50
F
IC1402
S29294A
5
4
DI
SK
6
DATA
3
CS
6
R1473
K
7
VCC
2
GND
100K
8
C1405
1
PRTCT
0.1
G
2
E
PROM
H
• NOTES ON SCHEMATIC DIAGRAM can be found on page 31.
1
R1418
47K
XRST
R1478
10K
LDON
L3CLK
L3MODE
R1475
L3DATA
1K
C1406
1
µCON 3.2V
1K
EEPK
EEPD
EPCS
PRO
1K
Q1820
2SA1162 G
R1827
Q1821
270
RNC1407
3
2
1
Q1822
2
RNC1407
1
3
PCNT0
2
Figure 64 SCHEMATIC DIAGRAM (19/20)
L1203
4.7µH
TP1701
C1743
C1703
AA.GND
R1711
39K
NJM431U
REGULATOR
BACKUP
2SA1314 C
VREF3.2V
TP1802
C1807
220/4
VOLTAGE REGULATOR
TP1801
R1804
220K
R1805
100K
Q1803
RN1406
3
4
– 64 –
IC1990
74AC04FS
INVERTOR
24
C1709
0.047
C1702
0.047
C1700
47/4
0.01
L1702
10µH
47/4
L1701
10µH
TP1702
R1710
2SC2412KR
30K
R1715
C1720
0.01
1K
1
3
IC1802
R1716
2
3.3K
AA.GND
AA.GND
BACKUP
Q1807
R1821
R1820
1
1
R1808
R1809
27K
390
4
3
2
5
1
TP1803
IC1801
XC62EP32
Q1806
RNC1404
Q1801
2SA1314 C
C1801
2.2
P.GND
R1802
270
3
2
2
3
Q1802
RN1406
1
1
5
C1711
0.01
C1716
0.01
28 27 26 25 24 23 22 21 20
IC1701
UDA1340
A/D,D/A CONVE
1 2 3 4 5 6 7 8 9
C1701
0.01
R1713
R1714
39K
39K
R1702
R1701
680K
1M
Q1701
C1707
10/16
R1717
820
R1806
12
R1807
Q1804
12
2SA1162 G
R1810
R1811
27K
1K
2
3
1
6
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