Toshiba 61PH18P, Service Manual

Page: 15 / 74

– 15 –
GENERAL ADJUSTMENTS
C01P: Series (Reference factory adjustment)
F
or details
,
ref
er to [f
ocus
adjusting method] mentioned in the ne
xt page
.
Items
Names
Settings
Input signals
Measur
ing points
Adjusting methods
Adjusting
standards
SCNT
Sub-contr
ast
Picture model
Sub-br
ight signals
TP46B
1)
Adjust the amplitude from the pedestal le
v
el to the
2.3
±
0.1Vpp
A
udio system:
I
(P
AL-I signals)
SIGNAL unit
white peak
BR
TC
Sub-br
ight
Picture mode 1
Sub-br
ight
Screen
1)
Adjust the number of b
lac
k collapsed lines of the sub-br
ight
4
±
1.5 lines
center
signals
adjustment
signal
2)
Adjust after adjusting
W/B
, SCNT
.
COLP
Sub-color
Picture mode 1
Sub-br
ight
TP46B
1)
Adjust the amplitude of the color bar
.
1.25
±
0.1Vpp
center
signal
SIGNAL unit
2)
Adjust the P-P v
alue of the upper half
.
P
A
L
(P
AL)
COLS
Sub-color
Picture mode 1
SECAM
TP46B
1)
Adjust the amplitude of the color bar
.
1.75
±
0.1V
op
center
color bar
SIGNAL unit
(Apply screen MUTE at the time of adjustment)
SECAM
2)
Adjust the P-P v
alue of the upper half
.
SR
Y
SECAM
SECAM
TP02
1)
Adjust so that the b
lac
k and white signal le
v
el will become
0
±
10mV
R-Y b
lac
k le
v
e
l
color bar
SIGNAL unit
the same as the H.BLK le
v
el.
SBY
SECAM
SECAM
TP01
1)
Adjust so that the b
lac
k and white signal le
v
el will become
0
±
10mV
B-Y b
lac
k le
v
e
l
color bar
SIGNAL unit
the same as the H.BLK le
v
el.
Screen
Screen
F
actor
y-set
Surf
ace of
1)
Dar
k
en the en
vironment as m
uch as possib
le
.
P
oint which
adjustment
adjusting mode
screen
Cathode Ra
y
2
)
Set to f
actor
y-set screen adjusting MODE.
star
ts lighting
T
ube
(Y mute
, DR
V
.CUT
. = 40H)
3)
Directly obser
v
e
the surf
ace of Cathode Ra
y T
ube
and
adjust the screen
VR to the point which star
ts lighting.
4)
Mak
e abo
v
e-mentioned adjustments f
or each tube of G, R,
and B
.
F
ocus
F
ocus
Picture mode 1
Retma signal
Screen
1)
Adjust to the best position b
y repeating electr
ical f
ocus and
adjustment
(P
AL-I)
adjustment
optical f
ocus
Crosshatch
2
)
Use the jig and shade the CR
T e
xcept the ax
es under
signal
adjustment
.
3)
Mak
e abo
v
e-mentioned adjustments f
or each tube of G, R,
and B
.
RDR
V
Br
ight par
t
Screen
1)
Adjust the color temper
ature of the bright par
t (103cd/m
2
).
8750k-0.002uv
BDR
V
W/B
adjustment
RCUT
Dar
k par
t
W/B
Screen
1) Adjust the color temper
ature of the dar
k par
t (17cd/m
2
)
8750k-0.002uv
BCUT
adjustment
Midpoint
Picture moce 1
Phillips P
atter
n
Betw
een
TP-V
1)
Digital v
oltage connection betw
een the
TP-V
10
±
10mV
v
oltage
(P
AL-I)
and
TP-G
and the
TP-G, and adjust to 10mV
V
oltage
adjust- ment of vertical midpoint