Trouble Shooting Guide - AEA COMPUTER PATCH CP-1 Instruction Manual

TROUBLE SHOOTING GUIDE

PROBLEM
No Power 1. Unit not turned on
2. Unit not plugged in
3. No power from wall adaptor
Bar graph 1. Audio input connection
incorrect
won't flicker
2. Transceiver not turned on
3. Volume too low from
transceiver
4. Incorrect tuning of
transceiver
1. Com puter not turned on
No copy on
2. Program did not load
computer
3. Com puter not connected
C om puter 1. Im proper shielding of
generating RFI computer
W on't copy 1. CP-1 filter not in C W position 1. Select C W filter on CP-1
CW 2. Incorrect tuning of
transceiver
3. Com puter program set to
incorrect mode
4. T T L plug upside down
5. fexcessive band noise
W on't copy 1. CP-1 filter not in correct
R TTY or ASCI I position
2. Transciver in USB mode
3. Incorrect tuning of
transceiver
4. Signal is reversed
5. P rogram n o t set fo r co rre c t
mode or speed
6. TT L plug upside down
Transceiver 1. TT L plug reversed
stuck in key 2. Improper key line selected
down state while
using CW mode
on transceiver
Transceiver 1. Transceiver in VO X mode
Incorrectly wired mic plug
stuck in TX 2.
state, while
using R TTY
Noise or interference on
Copy seems to 1 :.
channel
run away w h ile
receiving 2. Speed or mode (Baudot,
R TTY A S C II) incorrect
Sending station using
reversed tones
N o tone out 1 '. AFSK level set to o low
from CP-1
1, R S -232/TTL switch set to
No tone shift
incorrect input
CAUSE
12
SOLUTION
1. Turn unit on
2. Plug unit in
3. Check supply for 16 VAC
1. Re-connect wires
2. Turn transceiver "ON"
3. Turn up volume
4. Tune transceiver to signal
1. Turn com puter on
2. Re-load program
3. Connect computer
1. Install .01 uf caps to ground on all
lines to com puter from CP-1 an d/
or use shielded cable
2. Relocate computer
2. Tune for full closure of LED
bar graph
3. Set program to Morse
4. Reverse plug
5. Decrease RF gain or AF gain
1. Select proper filter on CP-1
(170 or VAR)
2. Switch to LSB
3. Tune to full closure on bar graph
with little or no flicker
4. Change position of normal-
reverse switch
5. Select correct mode or speed in
program
6. Reverse plug
1. Reverse plug
2. Use + key linefortransistor-keyed
transceiver; use - key line for
grid block
1. Turn VOX. off
2. R ew ire m ic plug
1. If possible change antenna
2. Change mode
3. Use normal-reverse switch
1. Adjust A FSK level on rear panel
of CP-1
1. Select correct I/O mode