JVC AV-T2912/ZAR Service Manual page 42

AV-T2922
Measuring
Item
instrument
WHITE Signal
BALANCE Generator
(High Lig ht)
adjustment Remote
control unit
HIGH LIGHT MODE
G DRIVE
SUB BRIGHT Remote
adjustment control unit
SUB Remote
CONT RAST control unit
adjustment
24
Test point Ad justment item
G DRIVE
B DRIVE
B DR IVE
HIGH LIGHT
*** *** *** *** *** *** *** ***
EXIT BY
IT
EX IT
No .2 BRIGHT
No .1 PICTURE
1. Receive the NTSC black and white s ignal (c olor 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.
DRIVE ADJUSTMENT
G
B
1. Receive a NTSC broadcast.
2. Select "No.2 BRIGHT" of the PICTURE mode in SERVICE
MENU.
3. Confirm the initial setting value of the "No.2 BRIGHT" .
4. If the brightness is not the best with the initial setting value,
make fine adjus tment of the "No.2 BRIGHT" until you get the
optimum brightness .
BRIGHT ADJUSTMENT
No.2 BRIGHT
1. Receive a NTSC broadcast.
2. Select "No.1 PICTURE" of the PICT URE mode in SERVICE
MENU.
3. Confirm the initial setting value of the "No.1 PICTURE".
4. If the contrast is not the best with the initial setting value, mak e
fine adjustment of the "No.1 PICTURE" until you get the
optimum contrast.
PICTURE
ADJUSTMENT
No.1 PICTURE
No. 51917
Description
Variable Initial setting
range value
0 ～ 255
128
0 ～ 255
128
Variable Initial setting
range value
0 ～ 127
64
Variable Initial setting
range value
0 ～ 127
60