Sharp DT-500, Service Manual

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XV-Z3000
DT-500
No. Adjusting point Adjusting conditions Adjusting procedure
1. Make the following settings.
Destination Process Remote control
adjustment adjustment
USA SS4 Factory setting at 4
China SS6 Factory setting at 6
Others SS3 Factory setting at 3
16 Delivery set-
tings
1. Connect the unit and a PC
with the RS232C cable.
1. Send a command from the PC, and check it func-
tions correctly.
14 RS232C opera-
tion check
1. Select the following group.
Group : INFO/VERSION.
1. The model name appears in the MODEL field, and
the firmware version in the VERSION field. Check
that they are correct.
MODEL : DT-500 (MODEL-SELECT=0)
MODEL : XV-Z3000 (MODEL-SELECT=1)
15 Model name and
version check
* Writing a software program (before main PWB is mounted)
Use the DLP Composer Lite Ver. 6.0 or higher to download the firmware.
After writing the specified version of firmware to the PWB using the RS232C cable, check the version of the written
firmware.
If no software program is written, all three LEDs light up in the chassis inspection process.
8 VIDEO white
balance adjust-
ment 1. Feed the 50% gray signal.
2. Select the following group
and subjects.
Group : CONFIRM/VIDEO
Subject : V-R-OS
V-B-OS
1. V-R-OS is 130.
V-B-OS is 130.
1. Check that images are projected correctly. 13 HDMI input
operation
1. Heat the thermistor with a
hair dryer.
1. Make sure that the temperature is indicated. 11 Thermistor
performance
checking
1. Feed the phase check pat-
tern signal.
1. In the VGA, SVGA and XGA modes, make sure the
Clock, Phase, H-Pos and V-Pos settings can be au-
tomatically adjusted.
12 Auto sync
performance
checking
9 White balance
checking and
readjustment 1. RGB Inputt
VIDEO Input
DTV Input
DVD Input
Check that there is no deviation of white balance with
the monitor.
1. Feed HDMI video signal to
INPUT6.
1. Select OFF from the process mode.
Make sure the off-timer starts with 5 minutes
onscreen and count one minute in one second.
And then indication is 0 minute, the power supply
of the set is cut off.
10 Off-timer per-
formance
1. Select the following group
and subjects.
Group : CONFIRM/CHECK
Subject : TEMP-OFF