Toshiba 43VR9UM, Service Manual

Page: 16 / 71

– 16 –
GENERAL ADJUSTMENTS
Items
Names
Settings
Input signals
Measuring
points
Adjusting methods
Adjusting
standards
H
IT
V
e
rt
ic
a
l
Dynamic mode
Philips Pattern
Screen
1)
Shorten the vertical amplitude by HIT data in t
he beginning
VLIN
amplitude
(P
AL)
adjustment
until upper and
lower
flags appear on the screen.
adjustment
Set: Facing to
2)
Subsequently
, lengthen the ver
tical amplitude by HIT data
the east
until either upp
e
r or
lower
flag end is aligned with
the screen
end.
WID
Horizontal
Dynamic mode
Philips Pattern
Screen
1)
Shorten the amplitude by lowering the WID data in the
(See Page 19)
(43"/50")
amplitude
(P
AL)
adjustment
beginning until the left and right flags appear comletely
.7
±
1 marks
adjustment
Set: Facing to
2)
Lengthen the vertical amplitude so that the number of
the east
register flags on the left and right of Philips pattern will come to 7 in total (3.5 each for left and right) when added.
STRP
Conver Pattern
Dynamic mode
Philips Pattern
Screen
1)
Adjust the Conver Pattern center to the Philips Pattern
Horizontal
(P
AL)
adjustment
center
.
phase
100Hz (DFS)
Set: Facing to
(Adjusting the horizontal phase only)
adjustment
the east
NSTR
Conver Pattern
Dynamic mode
Retma Pattern
Screen
1)
Adjust the Retma Pattern center to the Philips Pattern
Horizontal
(NTSC)
adjustment
center
.
phase
100Hz (DFS)
Set: Facing to
(Adjusting the horizontal phase only)
adjustment
the east
[Data adjustment}
1.
Sub screen's sub-brightness adjustment Condition:
After adjusting the main screen
Adjustment:
(1)
Receive a local signal, domestic 2 ch on both the main screen and sub screen.
(2)
Select the item of MWBRC to adjust the number of black blurred to 4
±
1.5.
<Reference data>
1.
Sub screen's color difference DC offset adjustment Condition:
After adjusting the sub screen
Adjustment:
(1)
Receive a total black signal on both the main screen and sub screen.
(2)
Observe PU03#7 (R–Y).
(3)
Select the item of MWBR to adjust the DC of
fset amount to 0
±
10 mV
.
(4)
Observe PU02#7 (B–Y).
(5)
Select the item of MWBR to adjust the DC of
fset amount to 0
±
10 mV
.
Sub screen adjustment procedures