(No. 52105C)
AV-48WP74
AV-56WP74
3
4) 3.8.3 FOCUS & BEAM SPOT ADJUSTMENT (Page 1-47)
Incorrect Correct
5) 3.8.4.2 PREPARATION (Page 1-49)
Item
Measuring
instrument
Test point
Adjustment part
Description
SCREEN TILT
adjustment
Signal
generator
Remote
control unit
[1.PICTURE/SOUND]
F62 : Without
convergence 0peration
G DEF. YOKE
R DEF. YOKE
B DEF. YOKE
[PROJECTION UNIT]
Confirm correct FOCUS adjustment.
(1) Receive NTSC cross-hatch signal.
(2) Select 1. PICTURE/SOUND from SERVICE MENU.
(3) Select <F62> (Without convergence operation) with [CH +] /
[CH -] key
(4) Change the data 0 to 1, then it makes picture without
convergence operation.
(5) Makes a green single color.
NOTE
:
When making 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 single color.
(6)
Temporarily secure the G deflection yoke to the top of the
neck and adjust the tilt of the deflection yoke so that the
horizontal line at the center becomes flat. After adjustment,
fasten the temporal screw.
(7) Adjust the tilt of the R and B deflection yokes in the same
manner as for green.
NOTE
:
Make sure that the adjustment of CRT FOCUS is optimized at the
center and at the fringe of the center in turn. If the proper
adjustment has not been done, adjust FOCUS VR again.
Adjustment according to an internal signal
using TEST MODE is also possible.
(TEST MODE : Refer to top page)
ADDITION
1.PICTURE/SOUND menu
* * *
* * *
* *
F62 0
Select item
Change value
0 1
CRT FOCUS adjustment point
CRT FOCUS adjustment point