Hitachi EC702HP Operation Manual page 14

01 x RACK EIA 19" 25U
REA DING + 15V O F THE M CCB
+ 8V FROM MCCB MO DULE
ASI / 310M IN 1A
310M/
(800mVpp / 75  )
ASI IN
ASI OUT A
ASI OUT
(800mVpp / 75  )
10MHz 10MHz
MODULE 40153
REF
REF
O UT
IN
RS485
DATA BUS
...
EXC. B P1 P2
REA DING + 15V O F THE M CCB
+ 8V FROM MCCB MO DULE
ASI / 310M IN 1B
310M/
(800mVpp / 75  )
ASI IN
ASI OUT B
ASI OUT
(800mVpp / 75  )
10MHz 10MHz
MODULE 40153
REF REF
O UT
IN
RS485
DATA BUS
...
EXC. A P1 P2
FOR DIGITAL
EXCITER A/B
+15V +8V +5V +50V
MCCB
MO DUL E 40031
SAMPLE AFTER
FILTER
SAMPLE BEFORE
FILTER
220V
ATSC DIGITAL
EXCITER
RF
OUT
A
+10.8dBm
CO NTROL
I/O
+15V
FROM
MCCB
ETHERNET REM OTE
MODULE
/ RJ45 CONTROL
OUT 1
+10.6dBm
COAXIAL
IN1
RELAY
+10.6dBm
OUT 2
MODULE
MO D DIV 1:2
SAMPLE AFTER 40032 C-QS2C/2-3A
FILTER
SAMPLE BEFORE
FILTER
220V
ATSC DIGITAL
EXCITER
RF
OUT
B
+10.8dBm
CO NTROL
I/O
ETHERNET REM OTE
/ RJ45 CO NTROL
THREE PHASE
220V / 38 0V
Figure 1-2
Block Diagram of the Transmitter model EC702HP
SAM PLE BEF OR E F ILTER P/ EXC . A
DIGIT AL
EXCIT ER A/B
SAM PLE BEF OR E F ILTER P/ EXC . B
R S485 220V
UHF POWER DRAWER
860 W
+7.35dBm
RF IN
RF OU T
P1
MÓDULO 40001
÷
DIGIT AL
EXCIT ER A/B
220V
R S485
UHF POWER DRAWER
+7.35dBm 860W
RF IN
RF OU T
P2
MODUL E 40001
1,400W rms
UHF / ATSC
50 EIA 1 5/8"
RF
SAM PLE AF T ER FILT ER P/ EXC . A
SAMPLING
SAM PLE AF T ER FILT ER P/ EXC . B
PROBE
MODULE 40052
PASS-BAND
IN OU T
FILTER
OUTPUT REFLE CTED
PO WER REA DI NG
OUTPUT DIRE CT PO WE R
REA DING
IN 1
OUT
IN 2
LOAD 1B
LOAD S D R AWER

MO D CO MB 2:1
C- HC40C
+50V FR OM
MC C B M OD U LE
LOAD 1B
MO DUL E 40041