JVC AV-14FTG2, Руководство по обслуживанию

Страница: 25 / 64

No. 51862
AV-14FTG2
25
DEFLECTION CIRCUIT ADJUSTMENT
!
There are 2 modes of adjustment (setting value) ------
①
50Hz mode and
②
60Hz mode ----- depending upon the kind of signals
(vertical frequency 50Hz / 60Hz).
!
When adjusted in mode
①
, mode
②
will be automatically set.
The setting (adjustment) using the REMOTE CONTROL UNIT is made on the basis of the initial setting values.
The setting values which adjust the screen to the optimum condition can be different from the initial setting values.
Item
Measuring
instrument
Test point Adjustment part Description
Adjustment
of
!!!!
V.HEIGHT
&
V.POSITION
Signal
generator
Remote
control unit
1. VER. POSITION
3. VER. HEIGHT
1. Input a cross-hatch signal.
2. Select 3. DEF. from SERVICE MENU.
3. Select 1. VER. POSITION with the MENU
▼
/
▲
key.
4. Set the initial setting value with the MENU - / + key.
5. Adjust VER. POSITION it be the vertical center with the MENU
- / + key.
6. Select
3. V. HEIGHT
with the MENU ▼ / ▲ key.
7. Set the initial setting value with the MENU - / + key.
8. As shown in Fig.1, adjust
VER. HEIGHT
and make the vertical
screen size
92%
of the picture size with the MENU - / + keys of
remote control unit.
Adjustment
of
!!!!
HOR.
POSITION
Signal
generator
Remote
control unit
2.HOR. POSITION 9. Input a circle pattern signal.
10. Select
2. HOR POSITION
with the MENU ▼ / ▲ key.
11. Set the initial setting value of
2. HOR. POSITION
with the
MENU - / + key.
12. Adjust
2. HOR. POSITION
to make
H=H"
as shown in Fig.2
with the MENU - / + key.
Screen size
Picture size 100%
Screen
size
92%
Picture
size
100%
Fig.1
DEF
- / + : OPERATE DISP : EXIT
***
SUB MENU 3. DEF
/ :SELECT
50Hz
1. VER. POSITION
PAL
H H"
Fig.2