JVC AV-56WP30, Service Manual

Page: 45 / 122

No. 52007
AV-56WP30
45
Item
Measuring
Instrument
Test point Ad justment Item Description
SUB CONTRAST
adjustment Signal
generator
Remote
control unit
S04 : SUB CONT.
1. Receive the NTSC black & white signal.
2. Select the STANDARD mode on the VIDEO STATUS.
3. Select that COLOR T EMP is set at the LOW mode.
4. Select 1.PICTURE/SOUND from SERVICE MENU.
5. Select S04
＜
SUB CONT
＞
with FUNCTION (
▲
/
▼
)
key.
6. Set the Initial s etting value with FUNCTION ( / ) key.
(Table 2)
7. If the c ontrast is not the best with the initial setting value,
make fine adjustment of the S04 ＜ SUB CONT. ＞ until
you get the optimum contrast.
8. Press the MUTING key and memorize the set values.
9. Select THEATER / LOW, and then repeat steps 4.
～ 8.
above.
10. Input 480i c omponent black & white signal from
COMPONENT VIDEO terminal.
11. Repeat steps 4
～
9 above.
12. Receive 1080i component black & white signal from
COMPONENT VIDEO terminal.
13. Repeat steps 4
～
9 above.
Item
Measuring
Instrument
Test point Ad justment Item Description
SPLIT
SUB BRIGHT /
SUB CONTRAST
adjustment Signal
generator
Remote
control unit
ADS013 :
SUB BRIGHT
VCS008 :
SUB CONTRAST
1. Select SPLIT mode.
2. Receive the NTSC blac k & white signal to both pictures.
3. Select 8.PP from SERVICE MENU.
4. Select ADS013
＜ SUB BRIGHT ＞ or VCS008
＜
SUB
CONTRAST
＞
with FUNCTION ( ▲ / ▼ ) key.
5. Adjust ADS013 or VCS008 to right picture is s ame as
left picture.
6. Press the MUTING key and memorize the s et values.
INITIAL SETTING VALUE
NTSC 480i 1080i
STANDARD THEATER STANDARD THEATER STANDARD THEATER
Setting
value
063 046 080 047 084 046
S04 : SUB CONTRAST
Signal
Item
Table 2