Sharp 21V1-L Service Manual page 20

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 T
P ROCEDURE
V14
I2C CONTROL
OP TION S ET UP , BUS S ET UP
NO S IGNAL (RAS TER) CONDITION
AC 220
CONFIRMATION ON CRT DIS P LAY(AUTO), IC801 P IN 7 VOLTAGE (MANUAL).
(AT SELF ADJUSTMENT MODE)
1)GO INTO S ERVICE MODE,BY S ELECTING THE S ERVICE DATA V14
2)PRESS THE R/C FOR AUTO PIF-VCO KEY, OSD APPEAR "OK" AT SCREEN
3)IF AP P EAR "NG" P LS REP EAT S TEP 2
(AT MANUAL ADJ US TMENT MODE)
1)GO INTO S ERVICE MODE, BY S ELECTING THE S ERVICE DATA V14
2) ADJ US T THE DATA UP /DOWN UNTIL IC801 P IN 7 VOLTAGE BECOME AS S P ECIFIED BELOW
[CHECKING SPEC]
2.5 ± 0.5 V DC (CHECKING S P EC : 2.50 ± 1.5 V)
21V1-L
P IF-VCO
S TEP RANGE
5 – 8
0 - 63