JVC AV-48P777/H Service Manual page 4

1.2 INSTALLATION
1.2.1 INSTALLATION SITE
(1) The rear of this set is provided with ventilation openings.
Install the set more than 5 cm from a wall and in a location
with good ventilation.
(2) Avoid the following types of locations.
a) Unstable locations (location must be able to with
stand heavy weight).
b) Locations subjected to direct sunlight.
c) Near stoves or other heating devices.
d) Locations subjected to humidity or oily smoke.
e) Dusty locations.
f) Locations with strong vibration.
1.2.2 INSTALLATION ADJUSTMENT
When installing, moving or changing the orientation of the set,
perform static convergence adjustment according to the
following procedure.
Adjusting CRT color convergence have MANUAL and RESET. It
adjust on the MENU screen.
NOTE :
Please you have TV on for at least 20 minutes before sing this
feature.
This adjustment will be needed only when the colors of the
characters/lines are separated and lack in distinction. If not,
please don't perform the adjustment.
MANUAL
(1) Press the [MENU] key, and select the "CONVERGENCE"
in the Picture Adjust menu with [function up/down] key.
(2) Press the [function left/right] key, the CONVERGENCE
menu appears.
(3) Press the [function up/down] key, and select the
"MANUAL".
(4) Press the [function left/right] key, then CONVERGENCE
adjustment screen appear. [Fig.1]
• If all the crosses are white, no convergence adjustment
is needed.
(5) Select the location you want to adjust by using the [number
(2/4/5/6/8)] keys on the remote control unit. [Fig.2]
(6) Press the [SLEEP TIMER] key to change the color of the
box to the color of the cross you want to adjust (red or
blue).
• You cannot adjust the green cross.
(7) Use the [function up/down] key and the [function left/
right] keys to adjust the position of the cross.
(8) Adjust the three colors crosses until they overlap and
appear as a single white cross.
(9) Press the [OK] key.
1-4 (No.YA455)
VENTILATION OPENING
NOTE :
• When you adjust the convergence, make sure you
start with the center position (position 5), and work
your way around radial for best results.
• When you make the adjustment in the center
(positions 5), you are making the adjustment for the
whale screen. In other positions, you are making the
adjustment only in that area.
• You can reset the adjustment if you do not like the
results, See below.
(10) Press the [menu] key to end the convergence adjustment
procedure.
RESET
RESET in the CONVERGENCE menu resets all convergence
adjustments to the factory default setting.
4
(more than 5cm)
Wall
Fig.1
2
6
5
8
Fig.2