Hitachi E-Compact Medium Power Series Operation Manual page 76

Uhf digital tv transmitters
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8
7
H
G
Use 10dB attenuator
to connect Power
Amplifier RF Sample
F
to Feedback Before
Filter Exciter.
E
D
C
B
AC MA INS INPUT
A
8
7
6
5
AC IN Mai n E xciter
AC IN B ackup
Exciter
AC IN E the rnet
Switch
RF Spl iter 1:2
AC IN
AC IN
AC IN
Loosen all the fixed cables inside the rack by removing Yellow
cable ties
6
5
4
3
E-Compact Medium Power
CM800 1
Main Control Mod ule
TUNER IN
RF OU T
CONTROL I/O
CM800 1
Backup Co ntr ol Mod ule
TUNER IN
RF OU T
CONTROL I/O
RF SAMPLE
RF IN
PA702MP / PA704MP – Power Amplifier
4
3
2
1
MOD 400 90A
Flayback 15/8V 25W
MOD 400 32
RF Coaxial Re lay
COMM.
EC702MP / EC704MP
REAR CONNECTIONS
DOUBLE EXCITER
76 | 106
2
1
H
G
F
E
D
C
B
A

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