6-39
20-7. COLOR adjustment
Purpose : Adjusts color for standard level.
Adjustment Error :Color will be too much or too small.
Mode Playback
Signal Color bar signal (with chroma and
burst signals)
Measurement point CN804 〈CN1804〉 pin 2 (VG)
Measuring equipment Oscilloscope
[External trigger : CN804 〈CN1804〉
pin 4 (HDB) 〈HSY〉]
Adjustment page F
Adjustment address D9
Specification Type 1 : A=–0.20 ± 0.05Vp-p (PAL)
Type 2 : A=–0.25 ± 0.05Vp-p (PAL)
Type 3 : A=+0.12 ± 0.05Vp-p (NTSC)
Type 4 : A=+0.12 ± 0.05Vp-p (NTSC)
Type 4 : A=–0.20 ± 0.05Vp-p (PAL)
• Green levelwith reference to
white 100% (PAL)
• Green levelwith reference
to white 75% (NTSC)
Adjustment procedure:
Note : To adjust the type 3, 4 machine, increase the data of page :
F, address : DD by 10h before starting adjustment.
To adjust the type 2 machine, decrease the data of page : F,
address : D8 by 12h before starting adjustment.
After adjustment is completed, return the data to the original
value. (Remove the effect of gamma.)
Order Page Address Data Procedure
1 6 00 01 After setting the data, press the PAUSE button. (Preparation)
2 F D9 Change data using the PLAY and STOP buttons until the amplitude (A) has the specified
value.
3 Press the PAUSE button.
4 6 00 00 After setting the data, press the PAUSE button. (End)
NTSC MODEL PAL MODEL
White (75%)
Green
A
2H
White (100%)
Green
A
2H
Note 1 : In the PAL models, perform the BURST CLEAN
adjustment first.
Note 2 : Set the BRIGHT control volume to their mechanical
center during adjustment.
Type 1
Type 2
Type 3
Type 4
LCD size
2.5 inch (PAL only)
3.0 inch (NTSC)
3.5 inch (NTSC/PAL)
LCD board
PD-74/SD-24
PD-75/SD-25
PD-77
PD-76
No mark : Type 1, Type 4
〈 〉 : Type 2, Type 3
To Next Page
Loading...
