JVC AV-T2122 Service Manual page 14

AV-T2122
VIDEO / CHROMA ! ! ! ! ADJUSTMENT
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.
Do not change the initial setting values of the setting items not listed in "ADJUSTMENT".
Measuring
Item
instrument
WHITE Signal
BALANCE generator
(Low Light) Remote
adjustment control unit
REMOTE CONTROL UNIT
H.LINE ON H.LINE OFF
1 1 1 1 2 2 2 2
R CUTOFF G CUTOFF
4 4 4 4
5 5 5 5
7 7 7 7 8 8 8 8
R CUTOFF G CUTOFF
WHITE Signal
BALANCE generator
(High Light) Remote
adjustment control unit
Remote Control Unit
① key : H.LINE ON
② key : H.LINE OFF
③ key : EXIT
⑤ key : G DRIVE ▲
⑥ key : B DRIVE ▲
⑧ key : G DRIVE ▼
⑨ key : B DRIVE ▼
20
Test point Adjustment item
BRIGHT
R CUTOFF
G CUTOFF
B CUTOFF
SCREEN VR
EXIT
3 3 3 3
B CUTOFF
6 6 6 6
9 9 9 9
B CUTOFF
G DRIVE
B DRIVE
No.51866
Description
1. Receive a black and white signal (color off).
2. Select the LOW LIGHT mode from the SERVICE MENU.
3. Confirm the Initial setting value of "BRIGHT", "R CUTOFF", "G
CUTOFF" and "B CUTOFF".
4. Display a single horizontal line by pressing the ① ① ① ① key of the
remote control unit.
5. Turn the screen VR all the way to the left.
6. Turn the screen VR gradually to the right from the left until
either one of the red, blue or green colors appears faintly.
7. Adjust the two colors which did not appear until the single
horizontal line that is displayed becomes white using the ④ ④ ④ ④ to
⑨ ⑨ ⑨ ⑨ keys of the remote control unit.
8. Turn the screen VR until the single horizontal line is displayed
faintly.
9. Press the ② ② ② ② key to return to the regular screen.
[LOW LIGHT] MODE
R CUTOFF
BRIGHT
BRIGHT
*** *** *** ***
BRIGHT
1. Receive a black and white signal (color off).
2. Select the HIGH LIGHT mode in the SERVICE MENU.
3. Confirm the initial setting value of "G DRIVE" and "B DRIVE".
4. Adjust the screen color to white with the ⑤ ⑤ ⑤ ⑤ , ⑥ ⑥ ⑥ ⑥ , ⑧ ⑧ ⑧ ⑧ and ⑨ ⑨ ⑨ ⑨
keys of the remote control unit.
[HIGH LIGHT] MODE
G DRIVE
HIGH LIGHT
G CUTOFF
B CUTOFF
*** ***
*** ***
*** *** *** *** *** *** *** ***
EXIT BY
EXIT
IT
B DRIVE
*** *** *** ***
*** *** *** ***
EXIT BY
EXIT
IT