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4. ADJUSTMENT METHOD
THE ADJUSTMENT METHOD OF CP-750 WITH USER ROMOTE CONTROLLER(R-49C05)
To enter the service mode, press Red button and Green button and MENU key on Ch.91
Then, Service Mode 1 is displayed. If press MODE key, Service Mode 2 is displayed.
CONTROL KEY
MENU
return to former step
OK
exit service mode
PR
/
select item
VOL
/
change value or condition
SCREEN ADJUSTMENT
Service Mode 1 --> DDPC 3316_1 --> Screen
Adjust Screen Volume of FBT until the horizontal line is just disappeared.
FOCUS ADJUSTMENT
Adjust with the Focus volume on the FBT until you get the most clear resolution of 350 line
and corner of screen.
Focus volume on the FBT is consist of two part - vertical focus and horizontal focus.
WHITE BALANCE ADJUSTMENT
(1) High-Beam Adjustment
Service Mode 1 --> Tube Measurement --> WD_R, WD_G
Adjust R,G bars in the high beam on the instrument may be located in the center.(B DRV is
Fixed.)
(2) Low-Beam Adjustment
Service Mode 1 --> Tube Measurement --> CUT_R, CUT_G
Adjust R,G bars in the low beam on the instrument may be located in the center.(B BIAS is
Fixed.)
The reference coordinates are X = 288, Y = 302”
VERTICAL CENTER Adjustment
Service Mode 1 --> Vertical Geometry --> Ver. Center
Adjust to harmonize RETMA pattern’s upper marking with Lower marking.
VERTICL SIZE Adjustment
Service Mode 1 --> Vertical Geometry --> Ver. Size
Adjust so that the Upper and the Lower ‘4’ marks of the RETMA pattern may be located at
the boundaries of the screen.
HORIZONTAL CENTER Adjustment
Service Mode 1 --> Hor. Geometry --> Hor. Center
Adjust to harmonize the position of RETMA pattern’s Left side with Right side.
