Sharp 21V-R70M Service Manual page 16

ADJUSTMENT
ITEM
ADJUSTMENT
V07
POSITION
CONTROL
I C BUS CONTROL
2
PRE-ADJUST
OPTION SET UP, BUS SET UP, CRT-PURITY
REQUIREMENT
CONTENT
US 6 CH LION HEAD (MONOSCOPE)
INPUT
AC 230V, US MAGNETIC FIELD
CONDITION
OUTPUT CONFIRMATION BY CRT SCREEN
1. ADJUST THE V07 BUS DATA TO HAVE A BALANCE POSITION TO SPEC
OF A=B .
2. IF CANNOT MAKE IT TO A=B , ADJ FROM THE BEST POINT SO THAT
B SLIDELY SMALLER THAN A
A
ADJUSTMENT
PROCEDURE
[CHECKING SPEC]
LEFT AND RIGHT SYMMETRICAL
SYMBOL REVISED CONTENT,
HISTORY
OF REVISION
H-POSITION
STEP RANGE 0-31
B
16-1
ADJUSTMENT
ITEM
ADJUSTMENT
V09
POSITION
CONTROL
I C CONTROL
2
PRE-ADJUST
OPTION SET UP, BUS SET UP, CRT PURITY, V-PHASE, +B ADJUST
REQUIREMENT
CONTENT
US 6 CH LION HEAD
INPUT
AC 230V
CONDITION
OUTPUT
CONFIRMATION BY CRT SCREEN
ADJUST THE V09 BUS DATA UNTILL THE OVERSCAN BECOME AS
SPECIFIED BELOW.
CAUTION: - PLEASE AGING TV MORE THAN 10 MINUTES BEFORE
ADJUSTMENT.
ADJUSTMENT
PROCEDURE
[CHECKING SPEC]
OVERSCAN 10 ± 2.5%
SYMBOL REVISED CONTENT,
HISTORY
OF REVISION
V-SIZE
STEP RANGE 0~63
16-2