Radio Shack TRC-447 Service Manual

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Unit [V]
Symbol
No.
Pin
TX WXRX
Comment
PA
Mode
Pin
E 0.0 0.0 0.0 0.0
Q304 C 2.5 2.5 2.5 2.5
B 0.7 0.7 0.7 0.7
E 0.8 0.8 0.8 0.8
Q305 C 5.5 5.5 5.5 5.5
B 1.4 1.4 1.4 1.4
E 0.7 0.0 0.0 0.0
Q306 C 0.8 5.0 5.0 5.0
B 1.4 0.0 0.0 0.0
E 0.0 0.0 0.0 0.0
Q401 C 5.0 5.0 5.0 5.0
B 0.0 0.0 0.0 0.0
E 8.0 8.0 8.0 8.0
Q402 C 7.8 0.0 0.0 0.0
B 7.0 7.9 7.9 7.9
E 4.0 4.0 4.2 4.0 CB:20CH,WX:4CH
Q404 C 2.5-4V Switching Pulse
B 3-4V Switching Pulse
E 4.0 4.0 4.2 4.0 CB:20CH,WX:4CH
Q405 C 0-4V Switching Pulse
B 3-4V Switching Pulse
E 0.0 0.0 0.0 0.0
Q406 C 0.1 7.9 7.9 7.9
B 0.7 0.0 0.0 0.0
E 4.1 4.1 4.2 4.1 CB:20CH,WX:4CH
Q407 C 5.7 5.7 6.2 5.7
B 4.8 4.8 4.8 4.8
E 2-5V Switching Pulse
Q408 C 0-2V Switching Pulse
B 1-5V Switching Pulse
E 2-5V Switching Pulse
Q409 C 0-2V Switching Pulse
B 1-5V Switching Pulse
E 2-5V Switching Pulse
Q410 C 0-2V Switching Pulse
B 1-5V Switching Pulse
E 2-5V Switching Pulse
Q411 C 0-2V Switching Pulse
B 1-5V Switching Pulse
E 2-5V Switching Pulse
Q412 C 0-2V Switching Pulse
B 1-5V Switching Pulse
E 2-5V Switching Pulse
Q413 C 0-2V Switching Pulse
B 1-5V Switching Pulse
E 2-5V Switching Pulse
Q414 C 0-2V Switching Pulse
B 1-5V Switching Pulse
E 0.0 0.0 0.0 0.0
Q501 C 9.6 13.5 13.5 13.5
B -0.3 0.0 0.0 0.0

Radio Shack TRC-447 Specifications

General

Brand	Radio Shack
Model	TRC-447
Category	Radio
Language	English