Hitachi 43FWX20B, Тренировка, Страница: 107 / 154

DP-2X CHASSIS TILT (RASTER INCLINATION) ADJUSTMENT
PAGE 07-07
Adjustment Preparation:
•
The set can face any direc-
tion.
•
Receive the Cross-Hatch
Signal
•
VIDEO CONTROLS: Fac-
tory Preset.
•
SCREEN FORMAT: should
be
NORMAL
mode.
•
The lens focus should have
been coarse adjusted.
•
The electrical focus should
have been coarse adjusted.
•
The Digital Convergence
RAM
should be cleared.
(Turn power off, press and
hold the SERVICE ONLY
switch on the Convergence
PWB, then press the
POWER button).
Adjustment Procedure :
GREEN:
1) Apply covers to the RED
and BLUE lenses or short
the 2P Sub Mini connector
[
PTS
] on R&B CRT PWB
to produce only GREEN .
2) Turn the
Green
deflection
yoke and adjust the TILT
until the green is level.
3)
[+/- 2mm tolerance]
. See
diagram.
RED:
4) Remove cover or PTS
short from
RED
CRT and
align RED with GREEN.
5)
[+/- 1mm tolerance when
compared to Green]
BLUE:
6) Remove cover or PTS
short from
BLUE
and
cover the RED CRT.
Align BLUE with
GREEN.
7) [+/- 1mm tolerance when
compared to Green]
After Completion:
8) Tighten DY Yoke Screws
to 12+/-2 kg-cm.
9) REMOVE ALL COVERS
or SHORTS on the PTS
connectors.
10)Turn the power off.
l
=
< 2mm
Vertical Center axis of
Cross-Hair signal
l