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<strong>PSK</strong>31 & SSTV SCHEMATIC AND DIAGRAMS SECTION:<br />
“Drawings and Illustrations are in alphabetical order by radio/transceiver name.”<br />
(WHITE) 3.5 mm Stereo plug<br />
TIP Sound Card "LINE OUT"<br />
"RED WIRE"<br />
BucK4ABT<br />
P2<br />
3.5mm Stereo plug<br />
"RING" Not used!<br />
6<br />
7<br />
8<br />
9<br />
1<br />
If "DTR" line is to be<br />
the PTT driver, then<br />
2 use pin 4 (RED wire).<br />
3 (GREEN WIRE) (RTS)<br />
4<br />
5<br />
P3<br />
(GREEN) 3.5 mm Stereo plug<br />
TIP Sound Card "LINE IN"<br />
* "WHITE WIRE"<br />
BucK4ABT<br />
P1<br />
"RING" Not used!<br />
(RED WIRE) (DTR)<br />
(BARE)<br />
ferrite<br />
core *<br />
ferrite<br />
core<br />
PC Ground<br />
Shield<br />
(DTR optional)<br />
Shield<br />
= PC ground<br />
LED1<br />
PC Ground<br />
PC Ground<br />
ALINCO<br />
PC Ground<br />
R1<br />
6<br />
"P"<br />
"P"<br />
T2<br />
T1<br />
1<br />
N/C<br />
6<br />
R2<br />
5<br />
2 3 4<br />
N/C<br />
Tx Audio<br />
PTT<br />
Rx Audio<br />
C1<br />
Radio Ground/Shield<br />
P5 = 8 pin Screw-On Mic Plug<br />
Solder Side View<br />
IC1<br />
Radio Ground<br />
Radio Ground/Shield<br />
Radio and sound card audio link for PC sound card to Alinco (DX-70) HF transceiver. T1 & T2 are 600 to 600 ohm audio<br />
transformers. RASCAL model AL6A<br />
(WHITE) 3.5 mm Stereo plug<br />
TIP Sound Card "LINE OUT"<br />
"RED WIRE"<br />
BucK4ABT<br />
P2<br />
3.5mm Stereo plug<br />
"RING" Not used!<br />
6<br />
7<br />
8<br />
9<br />
1<br />
If "DTR" line is to be<br />
the PTT driver, then<br />
2 use pin 4 (RED wire).<br />
3 (GREEN WIRE) (RTS)<br />
4<br />
5<br />
P3<br />
(GREEN) 3.5 mm Stereo plug<br />
TIP Sound Card "LINE IN"<br />
* "WHITE WIRE"<br />
BucK4ABT<br />
P1<br />
"RING" Not used!<br />
(BARE)<br />
ferrite<br />
core *<br />
(RED WIRE) (DTR)<br />
ferrite<br />
core<br />
PC Ground<br />
Shield<br />
(DTR optional)<br />
Shield<br />
= PC ground<br />
LED1<br />
PC Ground<br />
PC Ground<br />
PC Ground<br />
R1<br />
"P"<br />
T2<br />
T1<br />
1<br />
N/C<br />
6<br />
5<br />
2 3 4<br />
N/C<br />
Tx Audio<br />
PTT<br />
Rx Audio<br />
C1<br />
Radio Ground/Shield<br />
P5 = 8 pin Screw-On Mic Plug<br />
Solder Side View<br />
IC1<br />
Radio Ground<br />
Radio Ground/Shield<br />
2<br />
2<br />
3<br />
1<br />
3<br />
1<br />
8<br />
4<br />
BucK4ABT<br />
8<br />
4<br />
BucK4ABT<br />
Tip<br />
P4<br />
Sleeve<br />
3.5mm Ext Spkr Plug<br />
Radio and sound card audio link for PC sound card to Alinco HF and VHF transceivers. Receive audio is extracted from external<br />
speaker jack. Note that T2 is 1000 to 8 ohm and T1 is 600 to 600 ohm audio transformers. RASCAL model 1-AL<br />
"P"<br />
R2<br />
7<br />
VISIT: www.BUXcommco.com<br />
7<br />
5<br />
5<br />
6<br />
6
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