June 15, 2005
6815854H01-A
5-50
Troubleshooting Charts:
Flowcharts
5.6.39 Low or No RX Injection Signal (700–800 MHz)
Figure 5-39. Low or No RX Injection Signal (700–800 MHz)
MAEPF-27810-O
Approx.
5V on
Q6762-C?
START
Low or No RX
Injection Signal
No
No
Yes
No
Yes
Yes
Approx.
4.5V (–1V) on
Q6763-D?
62
Ohms across
R6801?
Check RF path
from RX VCO
Replace
Q6763
Check Q6762 and
DC Bias Circuitry;
replace if
necessary
Replace R6801
and Q6763
Содержание XTL 1500
Страница 1: ......
Страница 5: ...iv June 15 2005 6815854H01 A This page is intentionally left blank ...
Страница 19: ...xviii List of Figures June 15 2005 6815854H01 A This page is intentionally left blank ...
Страница 25: ...June 15 2005 6815854H01 A xxiv CommercialWarranty Notes ...
Страница 35: ...June 15 2005 6815854H01 A xxxiv Model Numbering Charts and Specifications Notes ...
Страница 49: ...June 15 2005 6815854H01 A 2 12 Product Overview Controller Section Notes ...
Страница 161: ...June 15 2005 6815854H01 A 4 36 Troubleshooting Procedures Power Amplifier Procedures Notes ...
Страница 225: ...June 15 2005 6815854H01 A 5 64 Troubleshooting Charts Flowcharts Notes ...
Страница 429: ...8 2 Flex Cable Pin Out Lists Flex Cables June 15 2005 6815854H01 A Notes ...
Страница 441: ...June 15 2005 6815854H01 A Glossary 10 Notes ...
Страница 451: ...Index x June 15 2005 6815854H01 A This page is intentionally left blank ...