MB BOARD IC VOLTAGE LIST
IC1001
23
pin
volt
24
1
1.7
25
2
4.8
26
3
0
27
4
0.4
28
5
0.0
29
6
0.1
30
7
N/C
31
8
0.0
32
9
0.0
33
10
0.1
34
11
0.1
35
12
5.0
36
13
0.0
37
14
4.3
38
15
4.9
39
16
0.0
40
17
-0.2
41
18
4.9
42
19
5.0
43
20
2.1
44
21
0.2
45
22
2.3
46
MB BOARD WAVEFORMS
1
4.7 Vp-p (H)
5
4.0 Vp-p (V)
9
1.4 Vp-p (V)
13
3.1 Vp-p (H)
17
1.2 Vp-p (H)
GND
47
5.0
2.2
48
0.0
2.3
49
0.0
GND
50
0.0
4.9
51
0.0
2.2
52
0.0
2.3
IC1003
5.0
pin
volt
0.0
1
GND
5.0
2
GND
2.4
3
GND
4.4
4
GND
5.0
5
4.8
4.8
6
4.8
4.8
7
GND
4.8
8
5.0
4.8
IC1301
N/C
pin
volt
0.0
1
3.3
0.1
2
N/C
5.0
3
1.3
0.1
4
N/C
5.0
5
4.8
0.0
6
4.3
2
2.7 Vp-p (8 MHz)
6
0.9 Vp-p (H)
10
5.5 Vp-p (H)
14
3.1 Vp-p (H)
7
6.3
31
4.5
8
5.0
32
4.5
9
5.1
33
8.7
10
GND
34
4.9
11
4.1
35
4.8
12
2.4
36
0.2
13
3.5
37
4.6
14
3.5
38
5.3
15
5.4
39
5.3
16
7.7
40
GND
17
1.6
41
5.1
18
3.5
42
6.2
19
2.3
43
N/C
20
2.6
44
8.7
21
1.5
45
5.2
22
1.5
46
4.6
23
1.6
47
1.7
24
1.4
48
N/C
25
N/C
IC1302
26
4.6
pin
volt
27
4.6
1
5
28
4.6
2
1.4
29
0.0
3
3.2
30
4.5
4
2.4
3
1.0 Vp-p (H)
7
1.7 Vp-p (H)
11
5.3 Vp-p (H)
15
1.3 Vp-p (H)
— 31 —
KV-21FE13/ 21FE13C/ 21FM13/ 21FM13C
5
1.9
7
3.8
6
5.0
8
GND
7
0.0
IC1305
8
5.0
pin
volt
9
4.9
1
GND
10
4.9
2
5.0
11
0.0
3
1.6
12
0.0
4
7.4
13
2.5
5
5.0
14
2.1
6
GND
15
5.0
7
GND
16
0.0
8
N/C
17
2.5
All voltages are in V
18
3.2
19
1.9
20
2.4
IC1304
pin
volt
1
4.6
2
0.1
3
4.6
4
0.1
5
4.6
6
8.9
4
4.0 Vp-p (V)
8
1.4 Vp-p (V)
12
3.8 Vp-p (H)
16
0.7 Vp-p (H)