Marantz VP4001, Service Manual

Page: 22 / 66

No. Adjusting point Adjusting conditions Adjusting procedure
1. Make the following settings.
Destination Process Remote control
adjustment adjustment
All 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 fi eld, and
the fi rmware version in the VERSION fi eld. Check
that they are correct.
MODEL : VP4001
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 fi rmware.
After writing the specifi ed version of fi rmware to the PWB using the RS232C cable, check the version of the written
fi rmware.
If no software program is written, all three LEDs light up in the chassis inspection process.
8 VIDEO white bal-
ance adjustment
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 opera-
tion
1. Heat the thermistor with a
hair dryer.
1. Make sure that the temperature is indicated. 11 Thermistor per-
formance check-
ing
1. Fe e d t h e p h a s e c h e ck
pattern 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 per-
formance check-
ing
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
HDMI (INPUT6).
1. Select OFF from the process mode.
Make sure the off-timer starts with 5 minutes on-
screen 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 : C O N F I R M /
CHECK
Subject : TEMP-OFF
20