Hitachi C21-FL21F User Manual

WHITE BALANCE ADJUSTMENT
Switch on the TV set for at least 20 mins. Set black stretch (IIC service no. 58) to "0".
Adjust this adjustment after the Purity adjustment. Set to lateral line mode (IIC service no. 80) from
Ensure the vertical incident illumination on CRT surface "0" to "1".
to be 20 lux or less. Turns the Screen VR of FBT clockwise and set it to
Receive the white balance raster. the position where the bright color line starts to appear.
Turns the low bright adjustment VRs R830, R831 & Takes the first appeared color as the reference,
R832 fully counterclockwise. adjust R830(Green), R831(Blue) & R832(Red) till all
Select the IIC control address No. 01 (White point red), appear to the same level as the reference color.
No. 02 (White point green), No. 03 (White point bule) Note : Don't turn the VR of the reference color.
and set all data to 1FH
A
djusts the Screen VR of FBT until the white raster
Turns the screen VR of FBT fully counterclockwise. line is just slightly seen.
Select the IIC control address No. 10 (Sub-contrast) Release the lateral line mode by changing IIC service
and set the data to 1FH. no. 80 from "1" to "0".
Select the IIC control address No. 09 (Sub-brightness) Set black stretch (IIC service no. 58) to "1".
and set the data to 26H. Set the White Balance meter probe at the center of
the screen.
A
djusts the following keys of IIC and R830/R831/R832
to the desired W/B color temperature.
IIC Address No
R Drive 01
B Drive 03
Notes :
a. Fix the G Drive at 1FH(IIC Address No. 02),
do not adjust.
b. To obtain the low brightness and high
brightness conditions, adjust the brightness
control of remote control handset.
SUB-TINT ADJUSTMENT
Receive the color bar signal (NTSC). Select the IIC control address No. 08.
Set the user control to Contrast: Max, Other: Center. Set IIC address No. 08 to 1E.
SUB-BRIGHTNESS ADJUSTMENT
Switch on the TV set for at least 20 min. Select the IIc control address No. 09
Ensure the vertical incident illumination on CRT surface
A
djust the data until A2 portion becomes black and A3
to be 20 lux or less. portion becomes lighter black.
Receive the color bar pattern.
Set the following setting by remote control handset.
Contrast : mi
n
Color : mi
n
Brightness : Cente
r
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PREPARATION PROCEDURES
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PREPARATION PROCEDURES
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PROCEDURESPREPARATION
A7 A6 A5 A4 A3 A2 A1
complete black
lighter black

Hitachi C21-FL21F Specifications

General

Brand	Hitachi
Model	C21-FL21F
Category	TV
Language	English