Radio Shack PRO-2050 Service Manual page 42

IC'S
Unit [V]
Unit [V]
Ref.
Pin Voltage Remarks
No.
1
1.2
2
0.0
3
1.4
IC1
162.4 MHz 100 IlV
4 3.0
5
3.0
6
3.0
1 3.7
2
NC
3 3.2
4 3.8
5
3.3
6 3.3
7 3.3
8
3.8
IC2
162.4 MHz 100 IlV
9 1.4
10 0.6
11
1.8
12
4.1
13 NC
14 1.4
15 0.0
16
3.8
1 0.7
2 0.5
3 0
4 0 162.4 MHz 100 IlV
IC3
VOL. MIN.
5
4.6
6
10.4
7 10.4
8 6.3
1
NC
2 1.1
3 NC
4 NC
IC4 5 0.0
127.175 MHz 100llV
6
1.4
7 1.1
8 3.7
9
2.4
1
10.2
2 0
3 1.2
ICS
162.4 MHz 100 llV
4 3.8
5
0
6 11.1
1
3.5
2 3.5
3 0.6
ice
4 0
5 2.5
6
2.5
Ref.
Pin
No.
Voltage Remarks
7 0
8 1.5
9
1.4
10 3.5
11 0
12 0
13 0
ics
14 0
15 2.5
16 2.5
17 0
18 2.0
19 3.5
20 3.5
1
11.1
2 0
3 9.3
4
9.3
IC7 162.4 MHz 100 IlV
5 16.9
6
16.9
7
17.9
8
11.1
1 1.3/1.3
2 1.3/1.3
3
1.3/1.3
4 3.8/3.8
5 1.6/1.1
6 0.8/1.4
7 3.1/0 162. 4 MHz 100 IlV
ree
8 1.0/1.0
RF=ON/OFF SQ=TIGHT
9 1.1/1.1
10
1.1/1.1
11 0/0
12 0.8/1.9
13 0.7/1.8
14 3.1/3.1
1 1.5
2
1.5
3
1.3
4 3.8
5
1.3
6 1.3
7 1.6
ICg
857.2 MHz 100 IlV
8 1.4
9
1.4
10 1.3
11 0
12 1.3
13 1.4
14 1.4
IC11
1 1.5
- 4 1 -