Radio Shack PRO-26 - Page 47

Unit [V
Unit [V]
„
Ref. No. Port V
Remarks
Ref. No. Port V
Remarks
IC16 1
mm
IC502
1
6
2
3
2 0 GND
3
NC
3
4
4
1.7
1
IC503 1 4
5 3.9 WFM ON
2 4
6
1.2
3 0 GND
7
1.2
IC504
1 6
—
8
1.2
2 0 GND
9
3.9
3 4.3
10
3.9
IC505 1 4
v_
11
1.2
WFM, NO MOD 100 |W IN
2 0 GND
12
NC
3 0
GND
,
13 0.8
4
NC
14
1.9
5 4
15
NC
6 0
GND
16
NC
7
OSC
17
NC
8 •'
OSC
18
NC
9 3.7
L
19
0 GND
10 3.7
20 1.3
11 3.7/0
Active low pulse: SIG IN
,
■
—
1C 17
1
2
NFM, NO MOD 100 mV IN
12
3.7/0
Active high: SIG IN
2
2
NFM, NO MOD 100 mV IN
13
0/3.7
MUTEOFF/ON
3
1.9
NFM, NO MOD 100 (iV IN
14
3.7/0
AM OFF/ON
t
4
3.9
15 3.7/0
NFM, AM OFF/ON
5
1.5
16 3.7/0
WFM OFF/ON
6
1.5
NFM, NO MOD 100 mV IN
17
NC
’V—
7
4.5
NFM, NO MOD 100 mV IN
18
NC
8
3
NFM, NO MOD 100 mV IN
19
3.7/0 Active low pulse
9 1
NFM, NO MOD 100 mV IN
20 0/3.7 Active high pulse
L
10
1
NFM, NO MOD 100 mV IN
21
0/3.7
Active high pulse
11 0 GND
22 0/3.7
Active high pulse
12
1.6
NFM, NO MOD 100 mV IN
23
3.7/0 Active low pulse
—
13
1
NFM, NO MOD 100 mV IN
24
NC
\
14 3.2
NFM, NO MOD 100 mV IN
25
NC
IC501
1 1.5
NFM, NO MOD 100 mV IN
26
NC
2
1.5
NFM, NO MOD 100 mV IN
27
0 GND
3
1.5
NFM, NO MOD 100 mV IN
28 1.2
4
0 GND
29
2.5
5 1.4
30 3.7
6
1.4
NFM, NO MOD 100 mV IN
31
3.7
L
7
1.4
NFM, NO MOD 100 mV IN
32
LCD: Step wave
8
4
33
LCD: Step wave
34
LCD: Step wave
i—
35
LCD: Step wave
— 47 —