Hitachi C43-FD7000, Service Manual

Page: 50 / 179

50
SERVICE ADJUSTMENTS
* Convergence Data Adjustment Method
This function can adjust convergence data of all of one line (or all of screen) at the same time, in
CONVERGENCE ADJUSTMENT MODE.
a) Press Service Switch on DEF/CONVER P.W.B. to set to CONVERGENCE ADJUSTMENT MODE,
then display Normal Crosshatch with Adjustment Point Marker. (Fig.16)
b) Press [SUB] key on R/C, then Extra horizontal lines appeared
as set to RATER POSITION ADJUSTMENT MODE. (Fig.17)
ⅰ
) If Adjustment Point is on center, by press cursor key
on R/C, then Convergence Data of all of screen are
exchanged at the same time.
ex) Fig.18 (Fig.19) : By press [UP] [LEFT] key on R/C,
move up (left) RED convergence data of all of screen.
ⅱ
) If Adjustment Point is NOT on center, by press cursor
key on R/C, then Convergence Data of all of one line that
Adjustment Point Marker is existing are exchanged at the
same time.
ex) Fig.20 (Fig.21) : By press [UP] [LEFT] key on R/C,
move up (left) RED convergence data of all of
horizontal (vertical) line that Adjustment Point Marker
is existing.
c) Press [SUB] key on
R/C again to exit
RATER POSITION
ADJUSTMENT MODE.
Fig.16
Adjustment Point Marker
Fig.19
Fig.21
Fig.18
Fig.20
Fig.17
Extra Horizontal line is added
Convergence Data (RED) of all of screen is exchanged.
Convergence Data (RED) of all of line is exchanged.