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1-8 (E)
HDCU-950 IMM
1-6. Setting of Switches on Boards
1-6-1. AT-149 Board
AT-149 board (A side/panel side)
S411
AB C D E F G H JK
1
2
3
4
5
S428
S405
S427
S422
S423
S421
S424
S414
S202
S413
S407
S406
S403
S404
S419
S418
S420
S412
S408
S402
S409
S410
S417
S416
AT
POWER
H PHASE
REFERENCE
/1.001
90H
REF IN
UN
LOCK
HD
REM
BB
STEP
COARSE
ADV
DELAY
1-6. Setting of Switches on Boards
n
Do not change the settings of the switches described
“Factory use only” and unused switches.
. S202
Factory use only
Factory setting : OFF
. S402 (SKIN GATE LEV)
When S408 on the AT-149 board is set to LOC, adjusts
the zebra level of the skin gate of the MONITOR output
signal.
Factory setting : 8
. S403 (MOD LEVEL)
When S408 on the AT-149 board is set to LOC, this
switch is valid.
When S410 on the AT-149 board is set to ON, adjusts
the aspect modulation level of the MONITOR output
signal.
. 404 (MARKER SEL)
Sets the type of the aspect marker.
Setting switches Aspect marker
0 4 : 3
1 13 : 9
2 14 : 9
3 15 : 9
4 14.94 : 9
5 16 : 8.649
6 16 : 6.75
7 Not used
8 through F Interlocking aspect ratio of the
down-converter
Factory setting : 8
. 405 (H PHASE STEP)
Performs the coarse adjustment of the H phase when
S427 on the AT-149 board is set to position other than
REM. Perform the fine adjustment using S428 on the
AT-149 board.
Factory setting : 8
. S406 (V PHASE)
Adjusts the vertical phase with regard to the reference
signal in unit of line.
Factory setting : 8
. S407 (CONVERSION DELAY PHASE)
Performs the fine adjustment of the delay amount of the
signal between HD and SD that is set by S417 on the
AT-149, in unit of 1H or 2.2 usec.
Factory setting : 0