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MAXON SM-2000 MOBILE
VOLTAGE CHARTS (SM-2450/UHF)
Page-55-
December 98
IC404 IC407
PIN TX UNMODE RX MODE PIN NORMAL OPTION
1 1.9 VOICE 1 1.9 XT2
2 1.9 VOICE 2 0 XT2
3 1.9 VOICE 3 0 XT2
45 5 43XT2
5 1.9 VOICE 5 2 1.9
6 1.9 VOICE 6 5 5
7 1.9 VOICE 7 1.9 1.9
8 1.9 VOICE 8 0 XT2
9 1.9 VOICE 9 5 CLK
10 1.9 VOICE 10 GND GND
11 GND GND 11 5 CLK
12 1.9 VOICE 12 0 0
13 1.9 VOICE 13 2 1.9
14 1.9 VOICE 14 2 1.9
IC405 IC410
PIN TX RX PIN BUSY RX
1 1.93 2.00 1 AUDIO 1.9
2 1.93 2.00 2 AUDIO 1.9
3 1.8 2.00 3 AUDIO 1.9
40 0 45 5
5 1.92 2.00 5 AUDIO 1.9
6 1.92 2.00 6 AUDIO 1.9
7 1.92 2.10 7 AUDIO 1.9
8 5.00 5.00 8 AUDIO 1.9
IC406 9 AUDIO 1.9
PIN TX RX 10 AUDIO 1.9
1 AF 11 GND GND
2 1.9 1.9 12 AUDIO 1.9
3 1.9 1.9 13 AUDIO 1.9
4 5 1.9 14 AUDIO 1.9
5 1.9 1.9
6 1.9 1.9
7 1.9 1.9
IC107 IC105 IC402
81.9PIN123
9 1.9 IC107 13.2 0 8
10 1.9 1.9 IC105/402 5 0 8
11 GND GND
12 1.9 1.9
13 1.9 1.9
14 1.9 1.9