
No. 52007
AV-56WP30
36
Item
Measuring
instrument
Test point
Ad justment part
Description
SCREEN TILT
adjustment
Signal
generator
SERVICE SW
(S801)
[CONVERGENCE
PWB]
G DEF. YOKE
R DEF. YOKE
B DEF. YOKE
[PROJECTION UNIT]
•
Confirm correct FOCUS adjustment.
1. It pushes a power switch while pus hing SERVICE SW
S801
on
the CONVERGENCE PWB then it makes picture without
convergence operation.
2. Receive a NTSC cross-hatch signal.
3. Makes a green single color.
NOTE
: When mak ing a single color, It squeezes SCREEN VR in
each one, or it does a lid to the lens in the adjustment color
and it makes it s ingle c olor.
4. Temporarily sec ure the G deflection yoke to the top of the nec k
and adjust the tilt of the deflection yoke s o that the horizontal
line at the center becomes flat. After adjustment, fasten the
temporal screw.
5. Adjust the tilt of the R and B deflec tion yok es in the s ame
manner as for green.
NOTE
: Make sure that the adjus tment of CRT FOCUS is
optimized at the center and at the fringe of the c enter in
turn. If the proper adjustment has not been done, adjust
FOCUS VR again.
RASTER
CENTERING &
H. POSITION /
SIZ E (coarse)
adjustment
Signal
generator
Remote
control unit
SERVICE SW
(S801)
[CONVERGENCE
PWB]
G CENTERING
magnet
R CENTERING
magnet
B CENTERING
magnet
[DEF. YOKE]
D03 : H. SIZ E
D14 : H. CENTER
1. It pushes a power s witch while pushing SERVICE SW
S801
on
the CONVERGENCE PWB then it makes picture without
convergence operation.
2. Receive a NTSC circle & cross-hatch signal.
3. Makes a green single color.
NOTE
: When making a single color, it s queezes SCREEN VR in
each one, or it does a lid to the lens in the adjustment color
and it makes it s ingle c olor.
4. Select 1.PICTURE/SOUND from SERVICE MENU.
5. Select D03
<
H. SIZE
>
and shorten the level until and
perpendicular amplitude of vibration with until the blanking in
Left and Right and on either side can be seen.
6. Select D14
<
H. CENT ER
>
and adjust horizontal position to
make the screen center and signal c enter.
7. Select D03
<
H. SIZE
>
and adjust horizontal size to make
screen picture approx. 92% of H-SIZE.
8. Press the MUTING key and memorize the s et value.
9. Adjust the G CENTERING magnet to make horizontal and
vertical line center as mechanic al center of screen.
10. Red and blue c olor, too, are reflected by it.
11. Using R CENTERING magnet and B CENTERING magnet,
adjusts for the line of the red and the blue to bec ome the
position of the left figure.
L1=30mm L2=45mm
SERVICE SW
(S801)
[CONVERGENCE PWB]
CONVERGENCE
PWB
Содержание AV-56WP30
Страница 79: ...No 52007 AV 56WP30 79 Memo ...