Service manual

18
20U-FS1
CU20FS1
18-1
18-2
ADJUSTMENT
ITEM
ADJUSTMENT
POSITION
CONTROL PRE-ADJUST
REQUIREMENT
CONTENT
INPUT
CONDITION
OUTPUT
ADJUSTMENT
PROCEDURE
ADJUST THE V09 BUS DATA UNTILL THE OVERSCAN BECOME AS
SPECIFIED BELOW.
CAUTION: - PLEASE AGING TV MORE THAN 10 MINUTES BEFORE
ADJUSTMENT.
V-SIZE
V09 STEP RANGE 0~63
I
2
C CONTROL
OPTION SET UP, BUS SET UP, CRT PURITY, V-PHASE, +B ADJUST
US 4 CH LION HEAD
AC 120V
CONFIRMATION BY CRT SCREEN
ADJUSTMENT
ITEM
ADJUSTMENT
POSITION
CONTROL PRE-ADJUST
REQUIREMENT
CONTENT
INPUT
CONDITION
OUTPUT
ADJUSTMENT
PROCEDURE
V-PHASE
V06 STEP RANGE 0-7
I
2
C CONTROL
OPTION SET UP, BUS SET UP, CRT-PURITY
US 4 CH LION HEAD (MONOSCOPE PATTERN)
120V, RF INPUT, ZERO MAGNETIC FIELD
CONFIRMATION ON CRT SCREEN
[CHECKING SPEC]
OVERSCAN 10 ± 2.5%
ADJUST V06 BUS DATA TO HAVE MOST ACCEPTABLE VERTICAL PO-
SITION.
THE MONOSCOPE PATTERN SHOULD BE BALANCE IN VERTICAL
POSITION
NOTE: THE DATA FOR V06 LIMIT AT <= 04, EVEN POSITION GOOD
ENOUGH
[CHECKING CONFIRMATION]