Uniden
PRO520E (UT-317A)
Documentation Project
CBTricks.com
Integrated Circuits Voltage Chart
Integrated Circuits
LA1185
|
IC1 |
Voltage |
||
|
Pin |
RX |
TX |
|
| RF Gain MIN | |||
|
1 |
0.8 |
1.2
|
1.2 |
|
2 |
1.5 |
1.5
|
1.5 |
|
3 |
8 |
8
|
8 |
|
4 |
1.5 |
1.5
|
1.5 |
|
5 |
0 |
0
|
0 |
|
6 |
7.5 |
7.5
|
7.5 |
|
7 |
7.2 |
7.2
|
7.2 |
|
8 |
8 |
8
|
8 |
|
9 |
8 |
8
|
8 |
TDA1220B
|
IC2 |
Voltage |
|
|
Pin |
RX |
TX |
|
1 |
7.8 |
7.8 |
|
2 |
1.4 |
1.4 |
|
3 |
8 |
8 |
|
4 |
1.4 |
1.4 |
|
5 |
1.4 |
1.4 |
|
6 |
7.4 |
7.4 |
|
7 |
8 |
8 |
|
8 |
0.8 |
0.8 |
|
9 |
1.8 |
1.8 |
|
10 |
7.9 |
7.9 |
|
11 |
0 |
0 |
|
12 |
0 |
0 |
|
13 |
0 |
0 |
|
14 |
7.4 |
7.4 |
|
15 |
7.4 |
7.4 |
|
16 |
0 |
0 |
M5223L
|
IC3 |
Voltage |
||
|
Pin |
RX |
TX |
|
|
SQ
MAX
|
|||
|
1 |
0.2 |
0.2
|
0.2 |
|
2 |
1.2 |
1.2
|
1.2 |
|
3 |
1.2 |
1.2
|
1.2 |
|
4 |
0 |
0
|
0 |
|
5 |
2 |
1.2
|
2 |
|
6 |
1.6 |
1.6
|
1.6 |
|
7 |
6.5 |
0
|
7 |
|
8 |
8 |
8
|
8 |
TDA1905
|
IC4 |
Voltage |
||
|
Pin |
RX |
TX |
|
|
|
|
SQ
MAX
|
|
|
1 |
7 |
7
|
7 |
|
2 |
13.6 |
13.6
|
13.6 |
|
3 |
13.6 |
13.6
|
13.6 |
|
4 |
3 |
0
|
7.2 |
|
5 |
0 |
0
|
0 |
|
6 |
2.5 |
2.5
|
2.5 |
|
7 |
2.5 |
2.5
|
2.5 |
|
8
|
2.4
|
2.4
|
2.4
|
|
9
|
0
|
0
|
0
|
|
10
|
0
|
0
|
0
|
|
11
|
0
|
0
|
0
|
|
12
|
0
|
0
|
0
|
|
13
|
0
|
0
|
0
|
|
14
|
0
|
0
|
0
|
|
15
|
0
|
0
|
0
|
|
16 |
0 |
0
|
0 |
SM5124A
|
IC5 |
Voltage |
|
|
Pin |
RX |
TX |
|
1 |
2.6 |
2.6 |
|
2 |
3 |
3 |
|
3 |
6 |
6 |
|
4 |
6 |
6 |
|
5 |
3 |
3 |
|
6 |
3 |
3 |
|
7 |
3 |
3.6 |
|
8 |
0.2 |
5.8 |
|
9 |
2.9 |
2.9 |
|
10 |
0.6 |
0.6 |
|
11 |
0.6 |
0.6 |
|
12 |
0.6 |
0.6 |
|
13 |
6 |
6 |
|
14 |
6.4 |
6.4 |
|
15 |
0 |
0 |
|
16
|
6.4
|
6.4
|
|
17
|
6.4
|
6.4
|
|
18 |
0 |
0 |
L7808CV
|
IC6 |
Voltage |
|
|
Pin |
RX |
TX |
|
1 |
13.6 |
13.6 |
|
2 |
0 |
0 |
|
3 |
8 |
8 |
LB1423
|
IC7 |
Voltage |
|
|
Pin |
RX |
TX |
|
1 |
6 |
6 |
|
2 |
6 |
6 |
|
3 |
6 |
6 |
|
4 |
6 |
6 |
|
5 |
0 |
0 |
|
6 |
0.2 |
0.2 |
|
7 |
0.2 |
0.2 |
|
8 |
0.2 |
0.2 |
|
9 |
4 |
4 |
Disclaimer: Although the greatest care has been taken while compiling these documents,
we cannot guarantee that the instructions will work on every radio presented.