XG-V10WE. Version 1.1 - Sharp Projector Handy Guide. Page 51

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Electrical Adjustments
Version 1.1
Issue 04/2006
51
SHARP ELECTRONICS (UK) LTD
PROJECTOR TECHNICAL SUPPORT
TECHNICAL SERVICES GROUP
ADJUSTING THE PC INTERFACE (CPCi-0042CE02. PC I/F Unit)
1.Initializing the EEPROM
1) Press S2601 to call the process mode.
2) Execute the S1 command on the SSS menu. (The S1 command is used to get the
PC boards initialised. Do not carry out the S2 command because otherwise all the
other adjustment data than on the PC boards would be initialised.)
3) Make sure the program version VER.XXX on the SPECIAL menu is the latest one.
2.Adjusting the levels
2-1. Preparing the oscilloscope
1) Set the oscilloscope range to 1 Vdc/div. and 5 µs/div.
2-2. Connecting the PC interface
1) Connect the PC interface to the set and make sure the P404, P405 and P502
connectors are all tight in position.
2) Connect a cable between the ANALOG OUTPUT terminal (signal generator) and
the DSUB connector (projector's INPUT1).
3) Set the projector's INPUT SELECT to the INPUT1 position.
4) Set the signal generator to the SXGA mode (1280 x 1024, 60 Hz, 32 tones). Adjust
the output amplitude between the black and white levels to 700 mVp-p (terminated
with a 75-ohm impedance).
5) Turn on the power.
2-3. Adjusting and checking the levels
1) Press S2601 and call the process mode.
2) Adjust the SH-PHASE setting on the OUPUT3 menu to 8. (Make sure the
onscreen display characters appear crisp and clear.)
(Adjusting the A/D menu settings)
3) G-BRIGHT adjustment: Feed the black signal and adjust the G-BRIGHT setting on
the A/D menu until there are bit dropouts.
4) R-BRIGHT adjustment: Feed the black signal and adjust the R-BRIGHT setting on
the A/D menu until there are bit dropouts.
5) B-BRIGHT adjustment: Feed the black signal and adjust the B-BRIGHT setting on
the A/D menu until there are bit dropouts.
6) G-D adjustment: Feed the white signal and adjust the G-D setting on the A/D menu
until there are bit dropouts.
7) R-D adjustment: Feed the white signal and adjust the R-D setting on the A/D menu
until there are bit dropouts.
8) B-D adjustment: Feed the white signal and adjust the B-D setting on the A/D menu
until there are bit dropouts.
2-4. Adjusting the DTV settings
1) Feed the 480P Y signal to the INPUT1 terminal. Keep out the R (Pr) and B (Pb)
signals.
2) G-BRIGHT adjustment: Feed the black signal and adjust the G-BRIGHT setting on
the DTV menu until there are bit dropouts.
3) CR-OFFSET adjustment: Adjust the CR-OFFSET setting to 16.
4) CB-OFFSET adjustment: Adjust the CB-OFFSET setting to 16.
5) Press S2601 to exit from the process mode.
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