
3-1
SECTION 3
SET-UP ADJUSTMENTS
3-1. ATTACHING THE LENS
1.
Attach the lens to the optical unit.
Press the stopper at the lens side to the stopper at the
optical unit side and attach the lens with the 4 screws.
Connect the focus and zoom cables.
3-2. TURNING ON THE POWER
1.
Connect the power cord and supply the power.
2.
Check that the STANDBY LED of the control panel
lights up in red.
3-3. C BOARD ADJUSTMENTS
3-3-1. SCEN Adjustments
1.
Set the service mode.
2.
Set the factory mode.
3.
Connect the XGA 100IRE all white signal to INPUT-A,
and select INPUT-A.
4.
Connect an oscilloscope to TP5505 of the C board.
5.
Set Device Adjust on the menu, select C-P DRV, and
press ENTER.
6.
Set SCEN using the
↑
and
↓
keys.
7.
Adjust SIGSEN using the
←
and
→
keys so that the
100IRE on the inverted side and 100IRE of the non-in-
verted side become symmetrical centering around the
following voltage.
From center voltage to GND = 7V
±
0.1V
3-3-2. SID OFST Adjustments
1.
Set SID OFST using the
↑
and
↓
keys after completing
3-3-1.
2.
Adjust SID OFST using the
←
and
→
keys so that the
pedestal level of the non-inverted side becomes the fol-
lowing voltage.
From pedestal to GND=2.5V
±
0.05V
3-3-3. SID LVL Adjustments
1.
Connect the oscilloscope to TP5511.
2.
Set SID LVL using the
↑
and
↓
keys and adjust using the
←
and
→
keys so that SID LVL becomes the following voltage.
3-3-4. PRG LVL Adjustment
1.
Set PRG LVL using the
↑
and
↓
keys and adjust using
the
←
and
→
keys so that PRG LVL becomes the fol-
lowing voltage.
2.
Remove the probe of the oscilloscope.
GND
SID LVL = 5.0
±
0.1V
PRG LVL = 2.5V
±
0.1V
3-3-5. R VCOM Adjustments
Turn off the menu using the STATUS OFF during adjustments
(No shield is required)
1.
Set R VCOM and check the 1 line ON/OFF signal.
Adjust the flicker of display to the minimum using the
←
and
→
keys.
3-3-6. G VCOM Adjustments
1.
Set G VCOM and check the 1 line ON/OFF signal.
Adjust the flicker of display to the minimum using the
←
and
→
keys.
3-3-7. B VCOM Adjustment
1.
Set B VCOM and check the 1 line ON/OFF signal.
Adjust the flicker of display to the minimum using the
←
and
→
keys.
Summary of Contents for IFB-X2000E
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Page 291: ...9 75 9 75 A B C D E F G H 1 2 3 4 5 Refer to page 9 74 for Printed Wiring Board GB GB ...
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