JVC AV-36F703/Y Service Manual page 26

AV-36F703
AV-36F713
AV-36F803
ADJUSTMENT OF VIDEO / CHROMA CIRCUIT
Measuring
Item
instrument
WHITE Signal
BALANCE gener ator
(Low Light)
adjustment Remote
control unit
[LOW LIGHT]
BRIGHT
***
(R)
[H.LINE SCREEN ]
RE M OTE CONT ROL UNIT
H.LIN E ON H.LIN E OFF
1
R C UTOFF G C UTOFF
4
R C UTOFF G C UTOFF
7
26
Test point Ad justment part
S01:BRIGHT
S11:R CUTOFF
S12:G CUTOFF
S13:B CUTOFF
SCREEN VR
[ in HVT]
***
*** ***
(G) (B)
EXIT
2 3
B C UTOFF
5 6
B C UTOFF
8 9
1. Receive the blac k and white signal ( color off ).
2. Enter to the SERVICE MENU mode.
3. Select the LOW LIGHT mode from the SERVICE MENU.
4. Confirm that the initial s etting value of S11:R CUTOFF, S12:G
CUTOFF, S13:B CUT OFF and S01:BRIGHT.
5. Display a single horizontal line by pressing the ① ① ① ① key of the
remote control unit.
6. Turn the screen VR all the way to the left.
7. Turn the screen VR gradually to the right from the left until
either one of the red, blue or green colors appears faintly.
8. 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 c ontrol unit.
9. Turn the sc reen VR until the single horizontal line is displayed
faintly.
10. Press the ② ② ② ② key to c ancel the single horizontal line mode.
11. Adjust the S01:BRIGHT to become the black component
shines white slightly.
12. Confirm that whether the c olor ingredient of R, G, or B is visible
to the black component, which shines white slightly
13. When the c olor ingredient can be s een, two colors other than a
vis ible c olor are adjusted, and it is made to look white.
(NOTE)
The ③ ③ ③ ③ EXIT key is the cancel key for the W HIT E BALANCE.
Ad justment item
S11 R CUT OFF
S12 G CUT OFF
S13 B CUT OFF
S01 BRIGHT
No.52003
Description
Initial setting value
30
30
30
64