Hitachi 51F710A/DP55, Service Manual

Page: 59 / 187

5
8
DP
55
2.18 Scanning area check
Checking condition
(1) Digital convergence adjustment should have been
completed.
(2) Receive the circle pattern signal.
(3) Brightness/Contrast - standard condition
Contrast:max
Other controls:center position
(4) Check that the scanning area matches with the
following drawing.
Receive 1080i circle pattern No. 59 of LT1611*, LT1608* of
LEADER signal generator.
Receive 1080i circle pattern of LT-449 (Leader)
2.17 Horizontal position adjustment
Adjustment preparation
(1) The screen face of set should be turned to East
or West.
(2) VIDEO control should be set to Factory Preset
Condition.
(3) DIGITAL CONVERGENCE adjustment should
be finished.
Adjustment procedure
NORMAL 16:9 STANDARD MODE
(1) Receive circle pattern.
(2) Picture Format is 16:9 Standard.
(3)
Go to I
2
C Adj. mode by pressing
the R/C keys
MENU + MENU + MENU + 8 + SELECT
to enter the
I²C mode
.
(4) Choose H. POSITION item using R/C
THUMBSTICK
G
,
H
.
(5) Adjust HORIZONTAL POSITION as follows,
using R/C THUMBSTICK
F
,
E
.
Spec: Balance Left/Right side display position.
H. size marker 1.0~2.0.
Adjustment procedure
1080i 16:9 Standard Mode
(1) Input 1080i (fH=33.75KHz) component circle
pattern signal to component video terminal.
(2) Picture Format is 16:9 Standard.
(3) Go to I
2 C Adj. mode.
(4) Choose H. POSITION item using R/C
THUMBSTICK
G
,
H
.
(5) Adjust HORIZONTAL POSITION as follows,
using R/C THUMBSTICK
F
,
E
.
Spec: Balance Left/Right side display position.
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