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5-66
Figure 5
-
25 UD-51( ) Power Amplifier Removal and Replacement
DC MON
GND
10.5V DC
PWR ALM
TEMP ALM
DC MON ADJ
PWR ALM ADJ
POWER AMPLIFIER
RF
IN
RF
MON
MDR-1066
09/08/05
FRONT PANEL
RF OUT
P/O SHELF
P/O SHELF
REMOVE:
(Remove steps are prefixed
by the letter "R").
INSTALL:
(Install steps are prefixed
by the letter "I".
Loosen thumbscrews
and remove front panel.
Rb
Loosen mounting screws
and slide PA toward front
of card cage to access
RF OUT connector.
Rc
Disconnect RF OUT
cable.
Rd
Tilt top of PA forward
approx 45˚ to clear RF
OUT connector.
Re
Disconnect cable
from XMTR RF
OUT connector.
Ra
Remove PA from card
cage.
Rf
Install replacement PA
in shelf and tighten
mounting screws
(torque to 19 in. lbs).
Ia
Connect RF OUT
cable.
Ib
Connect RF IN cable
to XMTR RF OUT
connector.
Ic
Reinstall PA front
panel and tighten
thumbscrews.
Id
Summary of Contents for MDR-8000
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