Low Or No Rx Injection Signal (700-800 Mhz); Figure 5-39. Low Or No Rx Injection Signal (700-800 Mhz) - Motorola ASTRO XTL 1500 Detailed Service Manual

5-50
5.6.39 Low or No RX Injection Signal (700–800 MHz)
START
Low or No RX
Injection Signal
Approx.
5V on
Q6762-C?
Approx.
4.5V (–1V) on
Q6763-D?
Check RF path
from RX VCO
June 15, 2005
Check Q6762 and
No
DC Bias Circuitry;
Yes
No
Yes
Figure 5-39. Low or No RX Injection Signal (700–800 MHz)
replace if
necessary
62
No
Ohms across
R6801?
Yes
Replace
Q6763
Troubleshooting Charts: Flowcharts
Replace R6801
and Q6763
MAEPF-27810-O
6815854H01-A