JVC AV-20NMG3 EN - Manual (Page 28)

No. 52025
AV-20N3
AV-20NMG3
AV-20NMG3B
28
Item
Measuring
instrument
Test point Ad justment part Description
● ● ● ● When the vertical linearity has been deteriorated
remarkably, perform the following steps.
15. Input a cross -hatch signal.
16. Select 4. VER. LIN. with the MENU ▼/▲ key.
17. Set the initial s etting value of 4. VER LIN. with the MENU - / +
key.
18. Select 5. VER. SCURVE with the MENU ▼/▲ key.
19. Set the initial setting value of 5. VER. SCURVE with the MENU
- / + key.
20. Adjust 4. VER. LIN. and 5. VER. SCURVE so that the spaces
of each line as shown in Fig.3 on TOP, CENTER and
BOTTOM become uniform.
Ad justment
of VER. LIN.
& VER.
SCURVE Signal
generator
Remote
control unit
4. VER. L IN.
5. VER. SCURVE
Make sure that the adjustment is properly done on the screen of
60Hz mode.
[NOTE]
" Adjust to make both 50Hz & 60Hz are the same v. size and
fine straight line.
" When adjust again, adjust 50Hz mode first.
" When adjust in 60Hz mode, only 60Hz mode is adjust.
VSM PRESET SETTING
Item
Measuring
instrument
Test point Ad justment part Description
Setting of
VSM
PRESET Remote
control unit TINT
COLOUR
BRIGHT
CONT .
SHARP 1. Enter the SERVICE MENU.
2. Select 4. VSM PRESET from the SERVICE MENU.
3. Select BRIGHT with the PICTURE MODE key.
4. Adjust the MENU ▼/▲ and MENU - / + key to bring the set
values of TINT ～ ～ ～ ～ SHARP to the values shown in the below
table.
5. Respectively s elect the VSM PRESET mode for SOFT and
STANDARD, and make s imilar adjustment as in 3 above.
TOP
CEN TER
BOTTOM
Fig.3
BRIGHT
TINT
COLOUR
BRIGHT
CONT.
SHARP
- / + : OPERATE DISP : EXIT
**
**
**
**
**
/ :SELECT
••••
VSM PRESET
VSM
Setting Item
BRIGHT STANDARD SOFT
TINT +15
←
←
COLOUR +15 ← ←
BRIGHT +15 ← ←
CONT +30 +15 +11
SHARP +15 ← +12