Toshiba 40WH08G Service Manual page 19

Item Name
Screen Picture mode 1
position
adjustment
HIT Vertical ampli- Picture mode 1
VLIN tude adjustment WIDE mode
(PAL WIDE)
HIT Vertical ampli- Picture mode 1
tude adjustment Super-live mode
(PAL Super-live)
HIT Vertical ampli- Picture mode 1
tude adjustment CINEMA mode
(PAL cinema)
Completion of adjustment
Setting Input signal
Phillips pattern
(PAL-I)
Phillips pattern
(PAL-I)
Phillips pattern
(PAL-I)
Phillips pattern
(PAL-I)
Measuring point
Screen adjustment (1)Adjust the vertical and horizontal
screen positions and centering magnet
so that the central + mark of the dummy
screen and the + mark of the Phillips
pattern can overlap in conformity.
Carry this out individually on 3 tubes of
R, G, and B
(Note) Do not move HPOS, VPOS data
Screen adjustment (1)Turn the screen size to WIDE.
(2)In the first place, shorten the vertical
amplitude using HIT data until the upper
and low flags emerge on the screen.
(3)Then, extend the vertical amplitude with
the HIT data until either upper or lower
flag end conforms to the screen end
(Adjust the vertical center of the pattern
to the central mark of the screen.)
Screen adjustment (1)Turn the screen size to Super-live.
(2)Adjust with the HIT so that the top and
bottom of the inner circle of Phillips
pattern will contact the screen edge.
(Note) VLIN adjustment is not performed.
Screen adjustment (1)Turn the screen size to CINEMA.
(2)Adjust the registers on the top and
bottom of the Phillips pattern
(Note) Do not touch the centering magnet
Adjusting method Adjustment standard
Less than ø7mm
Upper and lower
flags are to be in
contact
The inner circle is
to contact the
screen edge
GENERAL ADJUSTMENTS