Alcatel-Lucent MDR-8000 User Manual page 103

XMT LVL
ADJ
PWR MON
FREQ CONT
XMT PWR
ALM
ON LINE
I CARR NULL
Q CARR NULL
TRANSMITTER
XTAL
MON
READ [X.X dBm]
FOR [XX.X dBm]
AT TOP OF RACK
RF
MON
RF
OUT
Figure 5-18 Restoring PA Output Power Using DVM
TFC
a
Connect DVM to DC MON (+) test point and
GND on PA.
b
Measure DC monitor level on DVM.
While monitoring voltage on DVM, adjust XMT
c
LVL ADJ control on XMTR for READ (X.X Vdc)
voltage on PA label. This returns PA output
level to original level.
DC MONITOR CALIBRATION
READ [X.X Vdc]
FOR [XX.X dBm]
DVM
Disconnect test equipment.
d
DC MON
GND
PWR ALM
TEMP ALM
DC MONITOR CALIBRATION
READ [X.X Vdc]
DC MON ADJ
FOR [XX.X dBm]
PWR ALM ADJ
10.5V DC
POWER AMPLIFIER
RF
IN
MDR-1174
09/08/05
5-45