Toshiba 43A9UA, Service Manual

Page: 15 / 106

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GENERAL ADJUSTMENTS
A9PJ: Series (Reference factory adjustment)
D
YNAMIC
mode D
YNAMIC
mode D
YNAMIC
mode D
YNAMIC
mode D
YNAMIC
mode F
actor
y
screen adjsutment mode D
YNAMIC
mode
Sub-br
ight signal
Sub-br
ight signal
Sub-br
ight signal
(NTSC)
Sub-br
ight signal
(P
AL)
SECAM colour
bar
RETMA (P
AL-1)
Q510
(TP46R)
Screen
adjustment
Q510
(TP46B)
Q501
(TP46B)
Q510
(TP46B)
CR
T tube
surf
ace
Screen
Adjustment
Screen
Adjustment
Screen
Adjustment
Adjust the amplitude from the pedestal le
v
el to the white
peak.
1
)
Adjust the n
umber of collapsed b
lac
k lines of sub-br
ight
signal.
2)
This adjustment shall be done after
W/B [SCNT] ad-
justment.
1)
Adjustment the colour bar amplitude
.
2)
Adjust the P-P v
alue of the upper half
.
1)
Adjustment the colour bar amplitude
.
2)
Adjust the P-P v
alue of the upper half
.
1)
Adjust the amplitude of colour bar
. (Apply picture m
ute
for this adjustment.)
2)
Adjust the P-P v
alue of the upper half
.
1)
Mak
e the surrounding as dar
k as possib
le
.
2)
Set to the f
actor
y screen adjustment mode (Y m
ute,
DR
V
. CUT= 40H)
3)
Obser
ving the CR
T tube surf
ace directly
, adjust the
screen
VR to the point where the tube star
ts to be br
ight.
4)
P
erf
or
m this adjustment f
or each R, G and B tube
.
1
)
Repeat the electr
ic f
ocus and optical f
ocus adjustments
for the best position.
2
)
As to CR
Ts other than the one f
or the adjustment, shield
them with a jig.
3)
P
erf
or
m this adjustment f
or each R, G and B tube
.
Adjust the colour temper
ature at the br
ight par
t
(103cd/m
2
).
Adjust the colour temper
ature at the dar
k par
t
(17cd/m
2
).
2.5
±
0.2
V p-p
4
±
1.5 lines
1.7
±
0.2
V p-p
1.7
±
0.2
V p-p
2.2
±
0.2
V
o
p
P
oint where the tube
star
ts to glo
w
.
11500K-0.002uv 10500K-0.002uv
Adjustment standard
Sub-contr
ast
Sub-br
ight center
Sub-color center PA
L
Sub-color center PA
L
Sub-colour center SECAM Screen F
o
cus
White balance at br
ight par
t
White balance at dar
k par
t
Name
Setting
(User control)
Input signal
Measurement
point
Adjustment procedure
[SCNT] [BR
TC]
[COLC] [COLP] [COLS] Screen adjustment F
ocus
adjustment [RDR
V]
[BDR
V]
[RCUT] [BCUT]
Item