Figure 3-24: Programming/Test Cable Schematic - Motorola HT750 - UHF/VHF/Low Band - Radio Service Manual

3-38
P1
TO RADIO
UNIVERSAL
CONNECTOR
1
EXT SPKR +
2
EXT SPKR -
3
OPTION B+
4
EXT MIC
5
OPT SEL 2
6
OPT SEL 1
7
GND
8
RX DATA
9
TX DATA
10
RSSI
11
XMIT/RX AUDIO
12
BOOT CTRL
N/C 13
10K

Figure 3-24: Programming/Test Cable Schematic

Configuring and Wiring the Programming/Test Cable
P2
TO RADIO
TEST SET
RLN4460
1
2 AUDIO -
5 AUDIO +
7
8 MIC AUDIO
9
15
16 GND
18 VOL CTRL
19 DISC
20 PTT
21 OPT SEL INT/EXT
22
25 BOOT CTRL
J1
TO RIB
RLN4008
1 GND
4 BIAS
11 BUS -
15 BUS +
25 BOOT CTRL
FL0830062O