JVC AV-48WP74/AHA Service Manual page 53

Measuring
Item
instrument
SIDE PIN Signal
generator
adjustment
Remote
control unit
TRAPEZIUM Signal
generator
adjustment
Remote
control unit
Test point Adjustment part
[1.PICTURE/SOUND]
D02 : EW
D08 : BOT.CORN
D09 : TOP.CORN
F62 : Without
convergence operation
Straight
[1.PICTURE/SOUND]
D07 : EW.TRAP
F62 : Without
convergence operation
Parallel
Description
(1) Receive NTSC cross-hatch signal.
(2) Select FULL mode with [ASPECT] key.
(3) Select 1. PICTURE/SOUND from SERVICE MENU.
(4) Select <F62> (Without convergence operation).
(5) Change the data 0 to 1, then it makes picture without
convergence operation.
(6) Select <D02> (EW), <D08> (BOT.CORN), <D09>
(TOP.CORN).
(7) Adjust <D02>, <D08>, <D09> to make the vertical
lines at the left and right edges of the screen straight.
(8) Press [MUTING] key and memorize the set value.
NOTE :
After making adjustments, confirm that the horizontal
position is properly adjusted. If the horizontal is out of
alignment, readjust it. Adjust H SIZE & SIDE PIN
reparably.
(1) Receive NTSC cross-hatch signal.
(2) Select FULL mode with [ASPECT] key.
(3) Select 1. PICTURE/SOUND from SERVICE MENU.
(4) Select <F62> (Without convergence operation).
(5) Change the data 0 to 1, then it makes picture without
convergence operation.
(6) Select <D07> (EW.TRAP).
(7) Adjust <D07> to bring the vertical lines at the right
and left edges of the screen parallel.
(8) Press [MUTING] key and memorize the set value.
NOTE :
After making adjustments, confirm that the horizontal
position is properly adjusted. If the horizontal is out of
alignment, readjust it. Adjust H SIZE & SIDE PIN
reparably.
AV-48WP74
AV-56WP74
(No.52105)1-51