Toshiba 40PW03B, Service Manual

Page: 17 / 71

– 17 –
GENERAL ADJUSTMENTS
SPECIFIC INFORMATIONS
Item
Name
Setting
Input signal
Measur
ing point
Adjusting method
Adjustment standard
Screen adjustment F
ocus
adjustment RDR
V
BDR
V
RCUT BCUT High v
oltage
adjustment
Screen F
ocus
Br
ight par
t
W/B
Dar
k par
t
W/B
High v
oltage
F
actor
y- screen-
adjustment mode Dynamic mode Cinema mode Dynamic mode
Retoma signal (P
AL-I)
Phillips patter
n
(P
AL-I)
CR
T screen
Crosshatch signal Screen adjustment Screen adjustment Screen adjustment Betw
een T461
and
Z450
y
Mak
e the surrounding as dar
k as
possib
le
.
x
Enter f
actor
y-screen-adjustment mode
.
(Y m
ute, DR
V
.CUT
. = 40 H)
c
Directly obser
v
e
the CR
T screen, and
adjust the screen
VR to the point where
it begins to emit light.
v
Use R, G, and B tubes respectiv
ely to
perf
or
m abo
v
e-mentioned adjustments
.
y
Mak
e adjustments to achie
v
e
the best
possib
le position b
y
repeating electr
ical
and optical f
ocusing.
x
Use jigs to protect the CR
Ts
, e
xcept the
axis under adjustment, from an
y light.
c
Use R, G, ad B tubes respectiv
ely to
perf
or
m abo
v
e-mentioned adjustments
.
y
Adjust the color temper
ature of the
br
ight par
t (103cd/m
2
).
y
Adjust the color temper
ature of the dar
k
par
t (17cd/m
2
).
y
Connect a v
oltmeter betw
een
T461 and
Z450 and adjust the high v
oltage with
R450.
(User adjustment standard)
P
oint where it
begins to emit light. F
or details
, ref
er to
the f
ocus adjust-
ment method introduced in the ne
xt page
.
8750k–0.002uv 8750k–0.002uv 30.7
±
0.2kV