JVC AV-27FA44/BSA Service Manual page 63

4.5 BASIC OPERATION OF SERVICE MENU
4.5.1 TOOL OF SERVICE MENU OPERATION
Operate the SERVICE MENU with the REMOTE CONTROL UNIT.
4.5.2 SERVICE MENU ITEMS
1. V/C(S) VIDEO / CHROMA related circuit adjustment mode
2. DEFLECTION(D) DEFLECTION related circuit adjustment mode
3. SOUND(A) SOUND related circuit adjustment mode
4. OTHERS(F) Whole system related items adjustment mode [Fixed value. Do not adjust]
6. 3L Y/C(LYC) 3 line YC separation related circuit adjustment mode [Fixed value. Do not adjust]
7. LOW LIGHT White balance of "LOW LIGHT" adjustment mode
8. HIGH LIGHT White balance of "HIGH LIGHT" adjustment mode
9. RF AFC RF AFC related circuit adjustment mode [Fixed value]
10. VCO VCO related circuit adjustment mode
2
11. I2C BUS I C bus related circuit adjustment mode [Fixed value]
12. SYSTEM(SYS) This mode is used when setting up the whole system [Fixed value. Do not adjust]
4.5.3 BASIC OPERATION OF SERVICE MENU
1. How to enter the SERVICE MENU
• Confirm that the setting of TV/CATV SW is at the "TV" side
and the setting of VCR/DVD SW is at the "VCR" side.
(1) Press the [SLEEP TIMER] key and set the SLEEP TIM-
ER for "0" MIN
(2) Press the [DISPLAY] key and [VIDEO STATUS] key at
the same time to enter the SERVICE MENU screen.
(Fig.1)
2. SERVICE MENU screen selection
(1) In SERVICE MENU (Fig.1), select any of the SUB MENU
items (1.V/C(S)/ 2.DEF(D)/ 3.SOUND(A)/ 4.OTHERS
(F)/ 6.3L Y/C(LYC)/ 7.LOW LIGHT/ 8.HIGH LIGHT/ 9.RF
AFC/ 10.VCO/ 11.I2C BUS/ 12.SYSTEM(SYS)) by the
[CH / ] keys.
The letters of the selected items are displayed in yellow.
(2) With the SUB MENU item selected, press the [VOL / ]
keys to display each screen.
Then the settings or verifications can be performed.
1-18 (No.52114)
SERVICE MENU
SERVICE MENU
1. V/C(S) 2.
DEF(D)
3. SOUND(A) 4. OTHERS(F)
6. 3L Y/C(LYC)
7. LOW LIGHT 8. HIGH LIGHT
9. RF AFC 10. VOC
11. I2C BUS 12. SYSTEM(SYS)
SELECT BY
OPERATE BY
Fig.1
KEY ASSIGNMENT OF REMOTE CONTROL UNIT
1)
SLEEP TIMER key
1. How to enter
2)
the SERVICE MENU
DISPLAY &
VIDEO STATUS key
1), 3)
2. Screen selection .........
CH / key
2), 3)
3. Setting METHOD ........
VOL / key
3)
EXIT key
4. Releasing
the SERVICE MENU
Fig.2
EXIT BY EXIT
SOUND
V.STATUS
ASPECT
LIGHT
C.C.
[RM-C1251G]