Hitachi 51SWX20B Training page 106

DP-2X CHASSIS HORIZONTAL PHASE (COARSE) ADJUSTMENT
Adjustment Preparation:
•
Video Control: Brightness
90%,
•
Contrast Max.
Adjustment Procedure
NORMAL MODE:
1) Receive any NTSC cross-
hair signal.
2) Screen Format is NOR-
MAL.
3) Press the SERVICE
ONLY switch on the con-
vergence PWB and dis-
play the Digital Conver-
gence Crosshatch pattern.
4) Mark the center of the
Digital Convergence
Crosshatch Pattern with
finger.
5) Press the SERVICE
ONLY switch to return to
normal mode.
2
6) Enter the I C Service
Menu and select Item H
POSI and adjust the data
so that the center of
Video matches the loca-
tion of the Digital Cross-
hatch pattern noted in step
{4}.
2
7) Exit from the I C Menu.
NOTE: To enter the I
alignment menu, with Power
Off, press the INPUT button
and hold it down, then press
the POWER button and re-
2
lease. I C adjustment menu
will appear.
PAGE 07-06
2
C Bus