Larcan Inc MXI1503U ユーザーズマニュアル
MXI1503-2004 OPERATIONS AND MAINTENANCE
PUB13-10 Rev 1
1
CONTENTS
1
THE MXI1503-2004 TRANSMITTER ............................................................................................................................ 3
2
MXi AMPLIFIER ASSEMBLY ....................................................................................................................................... 4
3
MXi AMPLIFIER CONTROLLER ................................................................................................................................ 5
4
MAIN CONTROL CHASSIS ........................................................................................................................................... 6
5
AMPLIFIER INSTALLATION AND STARTUP .......................................................................................................... 7
5.1
B
EFORE
A
PPLYING
AC
TO THE
U
NIT
............................................................................................................................ 7
5.2
A
PPLYING
AC
TO THE
U
NIT
.......................................................................................................................................... 7
5.3
B
EFORE
T
URNING THE
A
MPLIFIER
ON ......................................................................................................................... 7
5.4
A
MPLIFIER
ON
S
EQUENCE
............................................................................................................................................ 8
5.4.1
Turning ON the Transmitter ................................................................................................................................ 8
5.4.2
TYPICAL DATA read on the LCD ....................................................................................................................... 9
6
TEST AND TROUBLESHOOTING ............................................................................................................................. 10
6.1
B
ENCH
T
EST
P
ROCEDURES
......................................................................................................................................... 10
6.1.1
Front-End Module, 21B2860G7, Bench Test Procedure ................................................................................... 10
6.1.2
Driver Pallet, 21B2708G3, Bench Test Procedure ............................................................................................ 10
6.1.3
PA Pallet 21B2729G1 Bench Test Procedure.................................................................................................... 10
6.1.4
Amplifier AGC Setup .......................................................................................................................................... 10
6.2
B
ASIC
T
ROUBLESHOOTING
T
ECHNIQUES
.................................................................................................................... 12
6.2.1
No RF Output ..................................................................................................................................................... 12
6.2.2
Output Reduced by 45% (for MXi1503) or 60% (for MXi2004) ........................................................................ 12
7
MAINTENANCE ............................................................................................................................................................. 13
7.1
D
AILY
......................................................................................................................................................................... 13
7.2
M
ONTHLY
................................................................................................................................................................... 13
7.3
S
EMI
-A
NNUALLY AND
A
NNUALLY
............................................................................................................................. 13
7.4
T
RANSMITTER
C
OOLING
S
YSTEM
............................................................................................................................... 13
8
SERVICE ......................................................................................................................................................................... 14
8.1
R
EMOVING THE
F
AN
A
RRAY
....................................................................................................................................... 14
8.2
R
EPLACING THE
E
NTIRE
F
AN
A
RRAY
......................................................................................................................... 15
8.3
R
EPLACING A
S
INGLE
F
AN
.......................................................................................................................................... 15