
CCU-TX7
(E)/V1
TABLE
OF
CONTENTS
1.
OPERATING
INSTRUCTIONS
D155
COUHT
RIT
ATP
cscs
ccs
sstashict
cee
sncttegastavaspcaatelabtaneaivesn
cnsneaschivensseedsnasssenseedsdesrss
1-1
V2)
DXB
TOV
35
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Meadheesteesancecascasneeesevadenchassuersasuvsnevessveasoronesde
«1-13
2.
INSTALLATION
2-1.
CONNECTORS
AND
CABLES
oo...
eesesesssssessseesscsenessnsssseeseeesssesueeseesenees
2-1
2-1-1.
Connector
Input/Output
Signals
2.0...
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2-1
2-1-2.
Connection
Connector
..........scceceserecsssseeessesecssssesscscessstensesserseeessatanenes
2-4
2-1-3.
Wiring
Diagram
for
Cable
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sssseseesesonsssesesesscesseeresstenesrenseneanens
2-4
2-2.
MAKING
OF
WF
MODE
CONNECTOR
.......csssssssesesesscesssseeeerserseeneseeeeeees
2-4
223.
COAK:-
CONNECTOR
sss
ccsseiscescsccverseuessasaasesosesetSbonvsecteterstccntsesvonasdahsusdeaeacseets
2-5
2-4.
OPERATING
ENVIRONMENT
ou...
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2-5
2-5.
MOUNTING
ON
19-INCH
RACK
uu...
eessssescsessssscessesssessneesseesesssseseseeesseas
2-6
2-6.
SWITCH
FUNCTIONS
ON
BOARD
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2-7
3.
SERVICE
INFORMATION
3-1.
BOARD
LAYOUT..............
sas
bade
payers
dbus
bus
pobancusnnatensa
ca
arapean
degeareseasans
3-1
3-2.
DISASSEMBLY/INSTALLATION
OF
MAIN
PART
.......ccsecesssessssseesesenes
3-1
3-2-1.
Removal
of
Cabinet
.......ccessesescsssscssssersescseeesssssssssssssatseneseneneeerseseenees
3-1
3-2-2.
Replacement
of
Switching
Regulator
...........ccccessessessesesesseesesserseseenenenee
3-2
3-2-3.
Replacement
Of
Fan
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sesesssssssssssesessseesseesseseeeeessseseneseneeesssseseneneeseneens
3-3
3-2-4,
Removal
Of
COU-TX7
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3-3
3-3.
CIRCUIT
DESCRIPTION
.
0...
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3-4
CT=18T
DOA
Ss
ecssccsess
seseteccectshecvessbancide
sansvasencsceddeotesscusosduasagudabacacnsatseddiayenseedsosebeuns
3-4
AA-90
DOA
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sSieg
dock
Sucwaweddechuscessussebscwubsastessyasaestertesbbovbésavedesetes
O-4
YD=26
Doar
ossssscvess.decssachestesassteh
cessessstanst
igccttvabaenedecessodssadasisessorneteasedeaveseoste
vere
S-4
ES=20
Doar
cise.
cctencciecscenstavsscctssbssccscesteasscbisosetateseustescesebsosedsasteateesdeuseesteccaaseests
3-4
AU-234
DO
ard
wise
ccsceccscivectscentzacessusdudecsiasyesciteazescastiseseaasessdsaesereeenssstncavesevodeaanestas
3-4
TO-140
Doard
.......sessesscecsesessenenesessneeesseerenenesnsnsesssssssneusarseaneseeeenssentseneressaneneaennents
3-4
SDI-44
board
(DXBK-701)
......escesssssesessseseecseeessssscscneseesessscssssessnsesesesesseecseeesenaes
3-4
3-4,
EXTENSION
OF
DXBK-701
(SDI-44
BOARD)
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BO
4.
ADJUSTMENT
421.
PREPARATION?
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dines
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4-]
4-1-1.
Equipment
Required
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4-1
AND.
-FAXtUre
igoiscvscclesoiaseuctecesdenceaiupsecescseesccssccchsssevetecndusNeveciendsetesttesstcaussenssdezee
4-1
AAR.
Woteaion
Adiustmient
aicieocsscstistecsadclnucttiou
aahistat
yecrenaneateoegnasitte
4-1
4-1-4.
Switch
settings
0...
ce
eeeeseseesecescerseseseeneesesseeesecsessaereseensersenspenseoneoes
4-1
4-1-5.
Connections
.............
vaceandatauecbausvoteciveve
des
vanetstcacesenauodedetusuesacendzansedsdeswessese
4-2
4-2.
VIDEO
SIGNAL
SYSTEM
ADJUSTMENT
.......ccccccesscsssesssesseeesseenseenennenns
4-3
4-2-1.
Sub-carrier
Frequency
Check
.0..0.....cseseeeeceseseseeeieseeseeees
eaeia
vatarislgins
4-3
4-2-2.
CAM
H
Phase
Adjustment...
cssssssssscssesseresseeessessetersstsenseneseseneones
4-3
4-2-3.
H
Phase
Adjustment
20.02...
cccesccesceseecerssseccsereeeseseseenersensrsesnenssesserseness
4-4