Sharp 21V1-L Service Manual page 24

21V1-L
MODEL NAME
ADJ US TMENT
ITEM
ADJ US TMENT
P OS ITION
CONTROL
P RE-ADJ US T
REQUIREMENT
CONTENT
INP UT
CONDITION
OUTP UT
ADJ US TMENT
P ROCEDURE
V18,V19,V15,V16,V17
I2C BUS CONTROL
OP TION S ET UP , BUS S ET UP , S CREEN
23CH 50IRE WINDOW P ATTERN
220 V
CRT S CREEN DIS P LAY .
1) WHITE (HIGH BEAM)
FIRS T LET THE GUN P OINT ATBLACK P OS ITION (AS DRAWING ATTACH), ADJ V04
UNTIL BRIGHTNES S Y BECOME 5 c d /m 2 , THEN LET THE GUN P OINT AT WHITE
P OS ITION (AS DRAWING ATTACH),ADJ US T V01 UNTIL BRIGHTNES S Y BECOME 150
c d /m 2 , ADJ US T THE BUS DATA OF V18(R DRIVE),V19(B DRIVE) UNTLL THE AXIS OF
COLOUR TEMP ERATURE BECOME X=0.273,Y=0.280
2) BLACK (LOW BEAM)
LET THE GUN P OINT AT BLACK P OS ITION, IF THE VALUE S HIFTED AWAY FROM THE
DATA ADJ US TED IN S TEP 1), ADJ US T AGAIN THE TWO S ERVICE DATA WHICH HAVE
CHOS EN AT S CREEN ADJ US T S O THAT TO OBTAIN THE S IMILAR AXIS AS ABOVE.
*WARNING: DO NOT DIS TURB THE MINI S TEP GUN DATA DURING THIS ADJ US TMENT.
**REP EAT S TEP 1),2) TO GET A REGULATED P OS ITION.
WHITE
[CHECKING CONFIRMATION ]
X=0.273,Y=0.280 (11,600° K+1 MP CD)
21V1-L
WHITE BALANCE
S TEP RANGE
.
US14
BLACK
5 – 12
0-127, 0~255