Intek MT-4040, Service Manual

Page: 38 / 49

Model No: Drawing No:
MT-4040 SEMICONDUCTOR VOLTAGE CHART
1. ICs
PIN RX PIN TX RX PIN TX RX
1 3.70 1 3.20 3.00 1 1.38 1.57
2 3.10 2 3.90 3.80 2 1.38 1.57
3 3.50 3 3.90 3.80 3 1.38 1.57
4 3.80 4 0.00 0.00 4 3.8 0.00
IC1 5 3.30 IC201 5 2.00 3.80 IC5 5 1.30 3.40
6 3.30 6 0.00 0.00 6 1.38 2.30
S5018 7
3.30
TB31202 7
0.00 0.00
S324 7
1.38 2.30
8 3.80 8 0.00 0.00 8 1.38 2.30
9 1.30 9 2.80 2.70 9 1.38 1.52
10 0.88 10 2.90 2.90 10 1.38 1.52
11 1.45 11 3.70 3.70 11 0.00 0.00
12 0.52 12 4.00 0.39 12 1.38 1.52
13 3.60 13 0.00 0.00 13 1.38 1.52
14 0.00 14 0.30 0.00 14 1.38 1.52
15 0.00 15 3.80 3.80
16 1.68 16 3.30 3.20
PIN TX RX IC 2 RX PIN
1 1.39 1.32 1 1.30 1 4.00
2 1.39 1.32 2 0.00 2 0.00
3 1.39 1.32 3
0.00
3 6.00
4
3.80 0.00 4
0.00
4 6.00
IC4 5 1.40 1.30 IC2 5 2.70 IC3 5 0.00
6 1.40 1.30 6 6.00 6 0.00
S324 7 1.40 1.30 UTC 7 3.00 XC
8 2.80 1.30 34119 8 1.30 6201
9 1.40 1.30 PIN
10
1.40 1.30
IC6
1 4.00
11
0.00 0.00 2 0.00
12 1.00 1.00 XC61CN 3 4.00
13 0.60 0.60 2402MR
14 2.80 2.80
Created by: Approved by: Rev. No:
For Stage : Release Date : Page 38 of 49