Hitachi 61HDX98B Service Manual page 53

DP-85 SERIES CHASSIS
HORIZONTAL POSITION "FINE" ADJUSTMENT PROCEDURE
Adjustment Preparation:
1) Video Control: Brightness
90%, Contrast Max.
Adjustment Procedure
NORMAL MODE:
1) Receive any NTSC cross-
hatch signal.
2) Screen Format is FULL
3) Enter the 12C Bus alignment
menu and select Item
I41
HPOS-F
4) Adjust the data so that the
Left and Right hand side
are equal as noted in the
figure on the right.
5) Press the "MENU" button
to exit from the Service
Menu.
shift due to the DM-1 mod-
ule. This is normal. (See fig-
ure below).
SMOOTH Mode Adjustment:
5) Press the "MENU" button
1) Receive any NTSC cross-
to exit from the Service
hatch signal. Menu.
2) Display Format is
SMOOTH/WIDE mode.
3) Enter the 12C Bus alignment
menu and select Item [91
HPOS-S
4) Adjust the data using the
left and right cursor keys,
but DO NOT balance the
Left and Right hand side.
Smooth mode with have a
FULL MODE:
Balance left and right side display position.
SMOOTH MODE:
Do not Balance left and right side display position.
(Screen WILL shift left 6 to 7mm)
I-
A
A=B
B
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