Hitachi 61HDX98B Manual page 79

DP-85 DIGITAL CONVERGENCE ALIGNMENT PROCEDURES
Digital Convergence Alignment
Center the Overlay Jig geometrically on the screen
Receive any NTSC signal (Crosshair if possible)
Clear RAM data (DCU RAM)
Service only
switch
is on the
deflection
PWB.
No DCU Correction added
results in severe
pincushion distortion
Center Magnet Adjustments
S e l e c t t h e E x t e r n a l C e n t e r C r o s s S i g n a l b y
pressing the
Remote
Use the Centering
Magnets closest to
the Yoke
Front View
R
B
G
Set SCREEN FORMAT TO FULL mode
Press and hold the
SERVICE SWITCH
Button, then press the POWER Button
simultaneously until the set is on.
When video appears, press SERVICE
SWITCH again.
E X I T b u t t o n 5 t i m e s , t h e n t h e
INPUT button .
A l i g n t h e
individual center crosses
to their respective marks
on the Overlay using the
Yoke Center Magnets
Red =
Left 10mm
Green =
Center
A
G , R , B
External Selected Center
Cross with no DCU center
R G B
Blue =
Right 30mm
Geometric Center of Screen
Internal
Digital
"Cross Hatch
Signal" is
projected
data
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