11
2 Electrical Section
2
MAIN BOARD_3/3 Circuit Diagram
DA0
DA1
DA2
DA3
DA4
DA5
DA6
DA7
100
xpha
xphb
ypha
yphb
/SRVCS
/RESET
/RD
DY0
DY1
DY2
DY3
DY4
DY5
DY6
DY7
DY8
DY9
DY10
DY11
SERVOMUTE
MOTORGAIN
VFC
PFC
VFG
PFG
FAN
FAN
SRVGAIN
D0
D1
D2
D3
D7
D6
D5
D4
PENFRC
PENPH
A1
A2
A3
A4
A5
A6
D0
D1
D2
D3
D4
D5
D6
D7
A[0..21]
D[0..15]
A[0..21]
D[0..15]
/WR
/INTSRV
/SRVINTV
RUN
+5
+5
+5
+5
+5
+5
+5
+5
R20
10K
R21
10K
R22
10K
D9
SEL-6414E
C29
CE1000p
C30
CE1000p
C31
CE1000p
C32
CE1000p
D1
3
Q1
2
D2
4
Q2
5
D3
7
Q3
6
D4
8
Q4
9
D5
13
Q5
12
D6
14
Q6
15
D7
17
Q7
16
D8
18
Q8
19
CLK
11
CLR
1
U19
74HC273F
R7
0
+5
4
GND
2
OUT
3
NC
1
U20
SG531T49.152MHz
9
8
U12D
74LS14
P12
R37
NON
R4
470
1
2
3
4
5
6
CN12
IL-G-6P-S3T2-E
1
2
3
4
5
6
7
CN13
IL-G-7P-S3T2-E
5
5
4
4
6
6
3
3
7
7
2
2
8
8
1
1
RA15
MNR34J5A330
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
CN14
5483-15A
P13
P14
P15
P16
P17
P18
P19
P20
P21
P22
P23
P24
P25
P26
P27
P28
P29
2
1
D7A
DA227
3
4
D7B
DA227
B
3
C
2
E
1
TR1
DTC114EF
B
3
C
2
E
1
TR2
DTC114EF
4
5
6
U18B
74HC08
A1
2
Y1
18
A2
3
Y2
17
A3
4
Y3
16
A4
5
Y4
15
A5
6
Y5
14
A6
7
Y6
13
A7
8
Y7
12
A8
9
Y8
11
G1
1
G2
19
U17
74LS541
81
82
83
84
85
86
68
69
70
71
72
73
74
75
76
66
67
87
77
64
80
91
92
99
61
62
88
89
94
95
63
96
97
98
93
1
2
5
6
7
8
9
10
11
12
13
14
16
17
18
19
20
21
22
23
24
25
26
27
30
31
57
58
59
60
32
33
34
35
36
37
38
39
41
42
43
44
45
46
47
48
49
50
51
52
55
56
U23
R39
100K
C48
CE0.01u
R45
8.2K
R40
100K
VR1
1KVR
R44
100K
VR2
22KVR
C47
CE1000p
3
2
1
4
11
+
-
U25A
BA10324A
5
6
7
+
-
U25B
BA10324A
DX0
DX1
DX2
DX3
DX4
DX5
DX6
DX7
DX8
DX9
DX10
DX11
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
O
M
G
L
RA23
EXBM16D8AL
DA0
DA1
DA2
DA3
DA4
DA5
DA6
DA7
xpha
xphb
ypha
yphb
5
5
4
4
6
6
3
3
7
7
2
2
8
8
1
1
RA22
MNR34J5A102
B1
1
B2
2
B3
3
B4
4
B5
5
B6
6
B7
7
B8
8
B10
10
B12
12
B9
9
B11
11
+VS
23
COM
20
B13
13
B14
14
B15
15
B16(LSB)
16
-VS
24
SJ
19
IOUT
21
IBPO
22
RFB
18
VOUT
17
U28
PCM55
B1
1
B2
2
B3
3
B4
4
B5
5
B6
6
B7
7
B8
8
B10
10
B12
12
B9
9
B11
11
+VS
23
COM
20
B13
13
B14
14
B15
15
B16(LSB)
16
-VS
24
SJ
19
IOUT
21
IBPO
22
RFB
18
VOUT
17
U29
PCM55
+5
-15
+5
-15
PC22
CE0.1u
PC23
CE0.1u
PC24
CE0.1u
PC25
CE0.1u
DX0
DX1
DX2
DX3
DX4
DX5
DX6
DX7
DX8
DX9
DX10
DX11
DY0
DY1
DY2
DY3
DY4
DY5
DY6
DY7
DY8
DY9
DY10
DY11
5
6
7
+
-
U30B
M5220L
R52 2.2K
R53 2.2K
R54
47K
R55 47K
C51
CE2200p
C52
CE2200p
3
2
1
8
4
+
-
V+
V-
U30A
M5220L
R48 2.2K
R49 2.2K
R50
47K
R51 47K
C49
CE2200p
C50
CE2200p
+5
-15
PC26
CE0.1u
PC27
CE0.1u
SERVOSRCH
SERVOSRCL
SRVSRCH
SRVSRCL
SOL+
SOL-
SOL+
SOL-
C46
CE1000p
VCC
25
ALM
3
PHA
5
PHB
23
ENAA
6
ENAB
22
VREFA
2
VREFB
26
CR
4
NC
19
VSA
1
RSA
11
RSB
17
PG
13
VSB
27
VMMA
8
VMMB
20
OUT1
10
OUT2
12
OUT3
14
OUT4
18
LGA
7
LGB
21
DECAY
24
NC
9
NC
15
NC
16
U31
MTD2005
+40
R59
1/2W
+5
R58
8.2K
C56
4700p
C55
CE0.01u
R57
2.2K
R56
10K
R43
100K
R60
10K