Motorola ASTRO Digital Saber Service Manual page 108

*
Replace C240 or C223
VHF UHF1 UHF2
C240(RX) 3.0 2.7 2.7
C223(TX) 2.7 2.4 2.7
*
A complete part description and
Motorola part number for ordering
is located in the service manual.
Chart 39 . VHF/UHF Only, VCO Crossover Frequency Tune
10-26
VCO-VEE Crossover
Freq. Tune Procedure
Program Radio to
Low Band Edge
136 MHz (VHF)
403 MHz (UHF1)
450 MHz (UHF2)
Is
NO
VCTRL (TP5)
>3.0V?
YES
Program Radio to
High Band Edge
178 MHz (VHF)
470 MHz (UHF1)
520 MHz (UHF2)
Replace C240 or C223
UHF1
VHF
Is
YES
C240(RX) 2.0
VCTRL 2.4
>11.0V? C223(TX) 2.0 1.6
NO
Enable -VEEE
Crossover Point
Tune Mode w/RSS
Is
Use Up/Down Buttons
VCTRL
NO to Tune Crossover
2.5V to 3.5V?
Frequency w/RSS
YES
Program the New
Crossover Frequency
MAEPF-23274-B
into the Codeplug
*
UHF2
2.0
2.0