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SCHEMATIC DIAGRAM - 13
MAIN (TIMER) CIRCUIT (T)
1
2
5
6
7
TL7501
B17
B18
5
OUT VDD
1
R7595
47K
<XSW 5.2V>
<NSW 5V>
: +B SIGNAL LINE
8
9
10
11
12
13
14
15
16
17
49
SEG39
50
SEG40
51
SEG41
52
NC
53
NC
54
NC
55
NC
56
DIG07
57
DIG06
58
DIG05
59
DIG04
60
DIG03
61
DIG02
62
DIG01
63
DIG00
64
VP
4
IC7503
NC
C0EBJ0000110
(RESET)
GND
2
3
C7618
0.01
QR7502
R7596
47K
UNR521200L
(INV.)
DP7501
A2BD00000074
(DISPLAY)
18
19
20
21
22
23
24
25
26
48
47
46
45
44
43
42
41
40
IC7502
C0HBB0000033
(DISPLAY DRIVE)
1
2
3
4
5
6
7
8
9
R7505
27K
C7525
C7654
0.01
100P
5
4
IC7505
NC
NC
C0EBE0000194
(SYS PFAIL
OUT)
L
OUT
VDD
GND
1
2
3
C7626
0.01
R7597
15K
69
27
28
29
30
31
32
33
34
35
36
39
38
37
36
35
34
33
SEG12
32
SEG13
31
SEG14
30
SEG15
29
SEG16
28
SEG17
27
SEG18
26
SEG19
25
SEG20
24
SEG21
23
SEG22
22
SEG23
21
SEG24
20
SEG25
19
VCC2
18
SEG26
17
10
11
12
13
14
15
16
C7526
C7528
0.1
0.1
D7511
B0JACE000001
TL7505
TW7501
RWDJ06-125
R7598
C7633
1K
6.3V470
B7501
CR2354-1GUF
BACK-UP BATTERY
DMR-E55PL
37
38
D7507
B0JDCE000002
4
3
1
2
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