Service manual

22
20U-FS1
CU20FS1
22-1
22-2
ADJUSTMENT
ITEM
ADJUSTMENT
POSITION
CONTROL PRE-ADJUST
REQUIREMENT
CONTENT
INPUT
CONDITION
OUTPUT
ADJUSTMENT
PROCEDURE
1) LET THE GUN POINT AT BLACK POSITION (AS ATTACH DRAWING),
ADJUST V04 BUS DATA UNTIL BRIGHTNESS Y=0.5 cd/m2, THEN
STEP DOWN MORE 4 STEP
SUB-BRIGHT
V04 STEP RANGE 0-255
I
2
C CONTROL
OPTION SET UP, BUS SET UP, SCREEN, WHITE BALANCE
WINDOW PATTERN
120V
CRT SCREEN DISPLAY.
ADJUSTMENT
ITEM
ADJUSTMENT
POSITION
CONTROL PRE-ADJUST
REQUIREMENT
CONTENT
INPUT
CONDITION
OUTPUT
ADJUSTMENT
PROCEDURE
SUB-PICTURE
V01 STEP RANGE 0-127
I
2
C BUS CONTROL
OPTION SET UP, BUS SET UP, SCREEN, WHITE BALANCE, SUB-BRIGHTNESS
WINDOW PATTERN
120V
CRT SCREEN DISPLAY.
[VOLTAGE CONFIRMATION]
BRIGHTNESS Y=0.5 cd/m2, THEN STEP DOWN MORE 4 STEP
1) LET THE GUN POINT AT WHITE POSITION (AS ATTACH DRAWING),
ADJUST V01 BUS DATA UNTIL BRIGHTNESS Y=150 cd/m2.
NOTE: ALLOWABLE DATA FOR V01 IS >= 90, EVEN Y CAN’T MATCH
THE SPEC
[VOLTAGER CONFIRMATION]
BRIGHTNESS Y=180 cd/m2
BLACK
US14
US14
WHITE