Operation Manual Part 1

Digital Liquid Cooled UHF
TV Equipment
Detailed operational description
9946 V1
45321648.01 104 A E
preliminary
32 / 131
Numéro / Number Doc. Rev. Lan
g
u.
16/06/2006
Pa
g
e
Information contained is this document is confidential, is THOMSON property and cannot be disclosed in whatever form without prior written authorization of THOMSON.
CENTRAL PROCESSING UNIT (CPU)
POLLING OF
EVENTS DATA
Local control panel
Display
card
RF signal status
Call-up request
for type A
windows
Data base for
window display
Update
Data base for
window display
Screen
locked
Transmitter commands
Remote
control
mode
Local
control
mode
Operator commands
Operator commands
Call-up request for
type B windows
Update of window
DISPLAY
MANAGEMENT
Update of data base + type B window
Local control mode Screen unlocked Reserve exciter on* Manual exciter changeover Manual on-air command Changeover performed Maintenance mode
PCL INDICATOR
LAMPS CONTROL
SYSTEM
"Go home"indicator lit
Call-up
request for
type B
windows
CONTROL SYSTEM
FOR HARDWIRED
CONNECTIONS
REMOTE
USER
INTERFCE
(hardwired
connection)
Status data
Command data
DISPLAY CONTROL SYSTEM
* Only applies to the DD version
POLLING OF
OPERATOR
COMMANDS
Transmitter off-air
"On" indicator lit
RF power not correct
"Off" indicator lit
Local control mode Screen unlocked
"Unlock" indicator lit
Exciter changeover impossible
Buzzer
Transmitter on-air
Voyant "marche" allumé
1
Screen
unlocked
COMMAND
CONTROL
SYSTEM
RF probes
Call-up
request for
data
Data base
Update
Remote user
interface
98/240c(e)
Exciter input : PRBS
Incoherent DAP
Figure 7 : Block diagram of PCL windows and indicator lamps control system