JVC HD-Z56RF7/A Service Manual page 28

4.5 BASIC OPERATION OF SERVICE MODE
4.5.1 HOW TO ENTER THE SERVICE MODE
(1) Press the [DISPLAY]
simultaneously, then enter the SERVICE MODE.
(2)
SERVICE MENU SCREEN
SERVICE MENU SERVICE MENU
1.ADJUST 1.ADJUST
2.SELF CHECK 2.SELF CHECK
3.I2C STOP 3.I2C STOP
NOTE:
• Before entering the self check mode, confirm that the MODE
SW of the REMOTE CONTROL UNIT is set to "TV". If the
switch has not been properly set, you cannot enter the self
check mode.
• When a number key other than the [1] or [9] keys is pressed
in the SERVICE MENU SCREEN, the other relevant screen
may be displayed.
This is not used in the adjustment procedure. Press the
[MENU] key to return to the SERVICE MENU SCREEN.
4.5.2 HOW TO EXIT THE SERVICE MODE
Press the [ BACK ] key to exit the Service mode.
4.5.3 SERVICE MODE SELECT KEY LOCATION
MUTING
NUMBER
RETURN+
(red)
MODE switch
FUNCTION /
VOL -
OK
DISPLAY
CH -
ZOOM
1-28 (No.YA460)
key and [MUTING]
Fig.1
POWER
(blue)
CH +
MENU
VOL +
FUNCTION /
BACK
4.5.4 ADJUSTMENT MODE
key This mode is used to adjust the VIDEO CIRCUIT.
4.5.4.1 HOW TO ENTER THE ADJUSTMENT MODE
When the SERVICE MENU SCREEN of SERVICE MODE is
displayed, press [1] key to enter the ADJUSTMENT MODE
(Fig.2).
4.5.4.2 DESCRIPTION
ADJUSTMENT MODE
ADJUSTMENT MODE
SETTING ITEM No.
S001 R DRIVE S001 R DRIVE
PAL50 FULL STD M PAL50 FULL STD M
SIGNAL SYSTEM SCREEN MODE
(1) SIGNAL SYSTEM
The signal displayed on the screen is displayed.
PAL50 : PAL50Hz (Composite / S-video)
PAL60 : PAL60Hz (Composite / S-video)
SECAM : SECAM
NTSC3 : NTSC3.58
NTSC4 : NTSC4.43
525I : 525i (Component)
525P : 525p
625I : 625i (Component)
625P : 625p
1125I5 : 1125i 50Hz
1125I6 : 1125i 60Hz
RGB5 : RGB 525i
RGB6 : RGB 625i
PCVGA : PC (VGA)
PCXGA : PC (XGA)
H525I : HDMI 525i
H525P : HDMI 525p
H625I : HDMI 625i
H625P : HDMI 625p
H750P : HDMI 750p
H125I5 : HDMI 1125i 50Hz
H125I6 : HDMI 1125i 60Hz
OF STATUS DISPLAY
SETTING ITEM SETTING VALUE (DATA)
138 138
PICTURE MODE WHITE BALANCE
Fig.2
OF