JVC AV-32220/G Service Manual page 15

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 set the setting values (adjustment values) of the VIDEO/CHROMA and DEFLECTION circuits.
" SOUND ･････････････････････ This set 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 adjusted.
" 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 AFC ･････････････････････ This is used when the RF AFC MODE is verified. [Do not adjust]
" VCO (CW) ･･･････････････････ This is used when the IF VCO is adjusted.
" I
2
C BUS CTRL････････････････ This is used when ON/OFF of the I
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 ① shown in the next figure page.
(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
●
LOW LIGHT
●
RF AFC
●
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 OTHERS mode
screen ⑤ is displayed, and the PICTURE, SOUND or OTHERS setting can be performed.
" THEATER, LOW LIGHT, HIGH LIGHT, RF AFC, VCO (CW) and I
1) If select any of THEATER / LOW LIGHT / HIGH LIGHT / RF AFC / VCO (CW) / I
is pressed from SERVICE MENU ( MAIN MENU ), the screens 6 7 8 ⑨ ⑩ ⑪ will be displayed as shown in figure page
later.
2) Then the settings or verifications can be performed.
2
C BUS CTRL is set. [Fixed ON]
SOUND
●
OTHERS
●
HIGH LIGHT
●
2
I C BUS CTRL
●
2
No. 51782
SERVICE MENU
SERVICE MENU
PICTURE
THEATER
LOW LIGHT
RF AFC
VCO (CW)
SELECT BY
OPERATE BY
C BUS CTRL mode
2
C BUS CTRL items, and the LEFT / RIGHT key
AV-32220
(MAIN MENU)
SOUND
OTHERS
HIGH LIGHT
I2C BUS CTRL
EX
EXIT BY
IT
15