Hitachi DZ-GX5020A K Service Manual page 98

Adjustment > Setups for Adjustment
(1) Setting of light box
1) Use the same light box as when the reference data was created: Its color temperature and
illuminance are strictly controlled and free from fl ickering. If the setting of color box is not
appropriate, the adjustment software may not operate normally.
(2) Setting and disassembly of DVD video camera/recorder
1) Open the LCD monitor and insert a fi ne-tipped fl at-bladed screwdriver into the groove in
adjustment cover, and remove the cover from L case in the direction of the arrow: Be very careful
not to scratch the cover or L case with screwdriver.
2) Set the light box 30-50 cm away from DVD video camera/recorder, and eliminate any effects from
surrounding light, except where such designation is given.
3) Set the lens surface of DVD video camera/recorder in parallel with the surface of light box as far
as possible, and adjust the focus.
4) Use a small tripod to fi x the DVD video camera/recorder, making certain it does not move during
adjustment.
5) Be sure to connect the video output of DVD video camera/recorder to the video input jack of color
monitor, which is usually terminated by 75 ohm: If the video output is not terminated by 75 ohm,
the video output value cannot be measured correctly.
Note:
Always connect the Halcyon connector before connecting the DC power cord to the DVD video
camera/recorder: Connecting the Halcyon connector after powering the DVD video camera/recorder
could cause a fault.
Adjustment
cover
Flat-bladed
screwdriver
1
"1" Printed
1
Frequency Counter
SD
LCD-HDD
(Pin 29)
(Pin 11)
Light box
30-50cm
Tripod
DC power
Halcyon
supply
connector
(5V/1A)
(No. TP14391)
Red
Black
GND
(Pin 26)
Black
Yellow
DSP-R Jig
RD (No. 7099448)
White
(Pin 28)
Fig. 6-2-3 Connections for Adjustment
6 - 13
Color Monitor
To VIDEO IN
Front
section
AV/S input/output
cable
DC power cord
To AC outlet
Power cable
DZ-ACS3
PC
RS-232C
cable
Oscilloscope
Nothing vector
scope
CH1 CH2
Yellow
Vector scope
To OUTPUT
Yellow
To INPUT