JVC AV-27D502/R Service Manual page 14

AV-27D502
BASIC OPERATION OF 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 ............................... This sets the setting values (adjustment values) of the VIDEO/CHROMA and DEFLECTION circuits.
•
SOUND .................................. This sets the setting values (adjustment values) of the AUDIO circuit.
•
THEATER .............................. This is used when the THEATER MODE is adjusted.
•
OTHERS ................................ This is used when the OTHERS MODE is adjustment.
•
PIP ......................................... This sets the setting values (adjustment values) of the PIP circuit.
•
LOW LIGHT ........................... This sets the setting values (adjustment values) of the WHITE BALANCE circuit.
•
HIGH LIGHT .......................... This sets the setting values (adjustment values) of the WHITE BALANCE circuit.
•
RF AFC1 ................................ This is used when the RF AFC1 MODE is verified. [Do not adjust]
•
RF AFC2 ................................ This is used when the RF AFC2 MODE is verified. [Do not adjust]
•
VCO (CW) .............................. This is not used for service.
•
I2C BUS CTRL ...................... This is used when ON/OFF of the I2C BUS CTRL is set. [Fixed ON]
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
•
THEATER
•
PIP
•
LOW LIGHT
•
RF AFC1
•
VCO(CW)
(3) Enter the any setting ( adjustment ) mode
•
PICTURE, SOUND and OTHERS mode
1) If select any of PICTURE, SOUND or OTHERS items, and the LEFT / RIGHT key is pressed from SERVICE MENU ( MAIN MENU ), the
screen 2 will be displayed as shown in figure page later.
2) Then the UP / DOWN key is pressed, the PICTURE mode screen 3 or the SOUND mode screen 4 or the OTHER mode screen 5 is
displayed, and the PICTURE, SOUND or OTHERS setting can be performed.
•
PIP mode
1) If select the PIP item, and the LEFT/RIGHT key is pressed from SERVICE MENU (MAIN MENU), the screen 6 will be displayed as shown
in figure page later.
2) Then the UP/DOWN key is pressed, the PIP mode screen 7 is displayed, and the PIP setting can be performed.
•
THEATER, LOW LIGHT, HIGH LIGHT, RF AFC1, RF AFC2, VCO(CW) and I2C BUS CTRL mode
1) If select any of THEATER / LOW LIGHT / HIGH LIGHT / RF AFC1 / RF AFC2 / VCO (CW) / I2C BUS CTRL items, and the LEFT / RIGHT
key is pressed from SERVICE MENU ( MAIN MENU ), the screens 8
later.
2) Then the settings or verifications can be performed.
14
•
SOUND
•
OTHERS
•
HIGH LIGHT
•
RF AFC2
•
I2C BUS CTRL
No. 51797
1
shown in the next figure page.
9 10 11 12 13 14 will be displayed as shown in figure page