JVC AV-20320/S Service Manual page 13

BASIC OPERATION SERVICE MENU
1. TOOL OF SERVICE MENU OPERATION
Operate the SERVICE MENU with the REMOTE CONTROL UNIT.
2. SERVICE MENU ITEMS
In general, basic setting(adjustments) items or verifications are performed in the SERVICE MENU.
PICTURE
SOUND
GAME
LOW LIGHT
HIGH LIGHT
RF AFC CHK
VCO (CW)
3. Basic Operations of the SERVICE MENU
(1) How to enter the SERVICE MENU.
Press SLEEP TIMER key and, while the indication of " SLEEP TIMER 0 MIN. " is being displayed, press DISPLAY key and VIDEO
STATUS key on the remote control unit simultaneously to enter the SERVICE MENU screen
(2) SERVICE MENU screen selection
Press the UP / DOWN key of the MENU to select any of the following items.
(The letters of the selected items are displayed in yellow.)
PICTURE
GAME
LOW LIGHT
RF AFC CHK
VCO(CW)
(3) Enter the any setting ( adjustment ) mode
PICTURE and SOUND mode
1) If select any of PICTURE or SOUND items, and the LEFT / RIGHT key is pressed from SERVICE MENU ( MAIN MENU ), the screen
will be displayed as shown in figure page later.
2) Then the UP / DOWN key is pressed, the PICTURE mode screen
or SOUND setting can be performed.
GAME, LOW LIGHT, HIGH LIGHT, RF AFC CHK and VCO (CW) mode
1) If select any of GAME / LOW LIGHT / HIGH LIGHT / RF AFC CHK / VCO (CW) items, and the LEFT / RIGHT key is pressed from
SERVICE MENU ( MAIN MENU ), the screens
2) Then the settings or verifications can be performed.
This sets the setting values (adjustment values) of the VIDEO/CHROMA and DEFLECTION circuits.
This sets the setting values (adjustment values) of the AUDIO circuit.
This is used when the GAME MODE is adjusted.
This sets the setting values (adjustment values) of the WHITE BALANCE circuit.
This sets the setting values (adjustment values) of the WHITE BALANCE circuit.
This is used when the IF VCO is adjusted. [Do not adjust]
This is used when the IF VCO is adjusted.
SOUND
HIGH LIGHT
No. 51964
shown in the next figure page.
or the SOUND mode screen
will be displayed as shown in figure page later.
AV-20320
AV-20321
is displayed, and the PICTURE
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