Service manual

Key transmitter
(Place OPTION
switch in the
OUT position)
Read frequency
and power on
test equipment
functioning
correctly
MRS 904 TRANSMITTER
TROUBLESHOOTING
FLOWCHART
Reset switches
and retest
Refer
to
ARX 2950
Service Manual
M ~
0
rl_s_u_s-pe_c_t_b_a_d_L-.o..,J
......_.__"' VR101 correct module or coax
cable
Inject RX signal
on frequency.
(-47dBm)with
LOCAL SQ.
Receiver is
functioning
correctly
Reset DIP switches
on frequency.
Toggle MRS 904T
power on
MRS 904 RECEIVER
TROUBLESHOOTING
FLOWCHART
or speaker
1/1/90
Page 24 MRS 904
Suspect bad
RX module