AV-20N1P
VIDEO/CHROMA CIRCUIT ADJUSTMENT
The setting (adjustment) using the remote control unit is made on the basis of the initial setting values shown on pages 14 and
15.
The setting values which adjust the screen to the optimum condition can be different from the initial setting values.
l Do not change the initial setting values of the setting (adjustment) items not listed herein.
Measuring
Item Test point Adjustment partDescription
instrument
Adjustment l SignalBRIGHT1. Receive a black and white signal (color off).
of WHITEgenerator2. Select the sub menu screen LOW LIGHT from the SERVICE
BALANCER CUTOFFMENU.
(Low light)l RemoteG CUTOFF3. Confirm that the value of BRIGHT, R CUTOFF, G CUTOFF,
controlB CUTOFFand B CUTOFF is set to the initial setting value.
unit4. Press the 1 key on the remote control unit to produce a single
SCREEN VRhorizontal line.
(In HVT)5. Turn the SCREEN VR fully counterclockwise, then slowly turn
it clockwise to where a red, blue, or green color is faintly vis-
ible.
REMOTE CONTROL UNIT
6. Use keys 4 ~ 9 on the remote control unit and adjust the other
H.LINE OFF
2 colors to where the single horizontal line becomes white.
123
7. Turn the SCREEN VR to where the single horizontal line glows
H.LINE ON
faintly.
G. CUTOFF ( )
456
8. Press the 2 key to stop producing a single horizontal line.
R. CUTOFF ( )B. CUTOFF ( )
NOTE: The key 3 acts in the same way as the EXIT key.
789
SUB MENU: LOW LIGHT
R. CUTOFF ( )B. CUTOFF ( )
G. CUTOFF ( )
R CUTOFF
BRIGHT
G CUTOFF
BRIGHT]]]
]]]]]] ]]]B CUTOFF
EXIT BY
BRIGHTEXIITT
Adjustment l SignalG DRIVE1. Receive a black and white signal (color off).
of WHITEgeneratorB DRIVE2. Select the sub menu screen HIGH LIGHT from the SERVICE
BALANCEMENU.
(High light)l Remote3. Confirm that the value of G DRIVE and B DRIVE is set to the
controlinitial setting value.
unit4. Use the keys 5 and 8 or 6 and 9 to produce a white screen.
NOTE: The key 3 acts in the same way as the EXIT key.
REMOTE CONTROL UNIT
SUB MENU: HIGH LIGHT
123
R. DRIVE ( )
456
B. DRIVE ( )G DRIVE
R. DRIVE ( )
HIGH LIGHT789
]]]]]]B DRIVE
B. DRIVE ( )
EXIT BY
EXIITT
No. 5604818 |
ACEC
JVC
