Toshiba 61PH18P, Service Manual

Page: 19 / 74

– 19 –
GENERAL ADJUSTMENTS
Items
Names
Settings
Input signals
Measur
ing points
Adjusting methods
Adjusting
standards
V
-center
Picture mode 1
Phillips Pattern
TP-V
→
+
voltage
A voltmeter is connected between TPV and TPG, and VCEN
10
±
10mV
voltage
TP-G
→
– mater
data adjusts so that this voltage may be see to 10mV
adjustment
on the DEF
Screen
Picture mode 1
Phillips Pattern
Screen
1)
Adjust the vertical and horizontal screen positions
This is to be
position
(P
AL-I)
adjustment
using a centering magnet so that the center cross mark of
shorter than
adjustment
the dummy screen and the cross mark of the Phillips Pattern
7 mm
can overlap.
indiameter
.
Do the same on the 3 tubes of R, G, and B individually
.
(Caution) Do not move the HPOS, VPOS data.
HIT
V
e
rt
ical
Picture mode 1
Phillips Pattern
Screen
1)
In the first place, shorten the vertical amplitude by HIT data
Up or down
VLIN
amplitude
(P
AL I)
adjustment
until up-and-down flags appear on the screen.
flagis to
adjustment
2) Subsequently
, extend the ver
tical amplitude by HIT data
contact
until whichever the end ofthe up or down flag overlaps with the screen end. (Adjust the vertical center of the Pattern to the center mark of the screen.)
WID
Horizontal
Picture mode 1
Phillips Pattern
Screen
1)
Adjust so that the left and right flags of Phillips Pattern
Flags are to
amplitude
(P
AL I)
adjustment
are hidden.
be hidden.
adjustment
HIT
V
e
rtical
Picture mode 1
Phillips Pattern
Screen
1)
Adjust so that the upper part of the screen will
amplitude
16:9 mode
(P
AL I)
adjustment
contact the 16:9 frame.
adjustment
NHIT
V
e
rt
ical
Picture mode 1
Monoscope
Screen
1)
The first line on the upper part of the screen is to be hidden
NVLI
amplitude
signals
adjustment
by the mask
adjustment
NTSC
2) Up-and-down balance is to be kept well
LEADER-435B
NWID
Horizontal
Picture mode 1
Monoscope
Screen
1)
Adjust so that the vertical 2.5 line on the screen will contact
amplitude
signals
adjustment
the left side of the screen edge.
adjustment
NTSC LEADER-435B
NHIT
V
e
rt
ical
Picture mode 1
Monoscope
Screen
1)
Adjust so that the upper part of the screen will contact the
amplitude
16:9 mode
signals
adjustment
16:9 frame.
adjustment
NTSC LEADER-435B