Motorola CDR500 Programming Manual page 89

CDR500 & CDR700 Repeater Service Manual
Table 13-3. Troubleshooting for Repeater Transmit Radio (Cont'd.)
Symptom
6. Excessive deviation of signal in-
put on pin-5 (flat Tx audio) of ac-
cessory connector or transmitter
randomly keys off frequency.
7. Radio does not enable "Ext Mic
Audio" when "Flat Tx Audio"
from accessory connector is se-
lected.
8. Radio does not generate TPL/
DPL when "Flat Tx Audio" from
accessory connector is selected.
Symptom
1. Basic repeater controller dead,
green LED does not light when
"Enable" pushbutton is pressed.
2. Transmit radio not keying when
a properly identified signal is
presented to receive radio.
March, 2001
6. Original design of controller cir-
cuitry of radio.
7. Original design of controller cir-
cuitry of radio.
8. No problem.
Table 13-4. Troubleshooting for Basic Repeater Controller
1a. Power supply ac line cord not
plugged into ac mains outlet.
1b. Receive radio not turned ON.
1c. Loose or bad cable from receive
radio.
1d. Open fuse, F1.
1e. External supply not turned ON
(if applicable).
If COR LED does not light:
2a. Controller not enabled.
2b. Pin 3 of accessory connector of
transmit radio not programmed
correctly.
2c. Loose or bad repeater cable from
receive radio.
2d. Accessory connector of receive
radio not programmed correctly
or not operating correctly.
2e. S2 not configured correctly.
2f. Incorrect frequency or TPL/DPL
programmed into receive radio.
2g. Receive radio on wrong channel
(personality).
If COR LED lights:
2h. Controller not in Setup state.
2i. No transmit frequency pro-
grammed into transmit radio.
2j. Loose or bad repeater cable from
transmit radio.
6864110R66-O
Problem
6.
7.
8.
Problem
1a. Check that ac line cord is
1b. Turn receive radio ON.
1c. Check cable from receive radio
1d. Replace fuse F1.
1e. Turn on external supply (if ap-
2a. Push S1, Enable, in (ON posi-
2b. Reprogram pin 3 of transmit ra-
2c. Check repeater cable connec-
2d. Check programming of accesso-
2e. Check S2 and reconfigure, if nec-
2f. Check frequency and TPL/DPL
2g. Change receive radio channel
2h. Set up controller locally or re-
2i.
2j.
Troubleshooting
Solution
Do one of the following:
• Contact Motorola Product Ser-
vices for replacement (newer
version) radio.
• Use in receive radio position.
• Use as a field radio that does
not require flat transmit audio.
Do one of the following:
• Contact Motorola Product Ser-
vices for replacement (newer
version) radio.
• Use in receive radio position.
• Use as a field radio that does
not require flat transmit audio.
Install the Generic Controller
Option Board ("GCOB") in radio
and program.
Solution
plugged in.
and replace if necessary.
plicable).
tion).
dio for "External Mic PTT", ac-
tive level "Low".
tion(s) and replace cable, if nec-
essary.
ry connector and reprogram, if
necessary.
essary.
code and reprogram, if neces-
sary.
(personality).
motely.
Program transmit frequency.
Check repeater cable connec-
tion(s) and replace cable, if nec-
essary.
13-5