JVC AV-48WP34/AHA Service Manual page 28

AV-48WP30
BASIC OPERATION OF SERVICE MENU
TOOL OF SERVICE MENU OPERATION
1.
Operate the SERVICE MENU with the REMOTE CONTROL UNIT.
SERVICE MENU ITEMS
2.
In general, basic setting (adjustments) items or verifications are performed in the SERVICE MENU.
1. PICTURE / SOUND ･･････････ This sets the setting values of the VIDEO/CHROMA /AUDIO and DEFLECTION circuits.
2. YC SEP ････････････････････ This is used when the YC mode is adjusted. [Do not adjust]
3. LOW LIGHT ･････････････････ This sets the setting values of the WHITE BALANCE circuit.
4. HIGH LIGHT ････････････････ This sets the setting values of the WHITE BALANCE circuit.
5. RF AFC ････････････････････ This is used when the IF VCO is adjusted. [Do not adjust]
6. (BLANK)
7. I2C BUS ････････････････････ This is used when ON/OFF if the I
8. PP ･････････････････････････ This sets the setting value of the output of P&P data.
9. IP ･･････････････････････････ This sets the setting value of the IP circuit. [Do not adjust]
0. SELF-CHK ･･････････････････ This sets the self checking of the TV circuit.
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 as shown in the fig.1.
(2) SERVICE MENU screen selection
Press the number key to select any of the following items.
1.PICTURE/SOUND
2.YC SEP
3.LOW LIGHT
4.HIGH LIGHT
5.RF AFC
(3) Enter the any setting mode
"
1. PICTURE / SOUND mode
1) Select the 1. PICTURE / SOUND items with the number
key, and the FUNCTION ( ▲ / ▼ ) key is pressed the 1.
PICTURE / SOUND mode, the screen will be displayed as
shown in figure page later.
2) Then the settings or verifications can be performed.
"
2.YC SEP, 3.LOW LIGHT, 4.HIGH LIGHT, 5.RF AFC,
2
7.I C BUS, 8.PP, 9.IP and 0.SELF-CHK mode
1) If you select any of 2.YC SEP 3.LOW LIGHT 4.HIGH-
2
LIGHT 5.RF AFC 7.I
mode items, and the numbers key is pressed from
SERVICE MENU, the each screens will be displayed as
shown in figure page later.
2) Then the settings or verifications can be performed.
22
7.I2C BUS
8.PP
9.IP
0.SELF-CHK
C BUS, 8.PP, 9.IP and 0.SELF-CHK
2
C BUS control is stop. [Do not adjust]
KEY FUNCTION of SERVICEMENU
DISPLAY
key
SLEEP TIMER
key
MUTING key
MENU key
FUNCTION key
(▲/▼) & ( / )
No. 51914
SERVICE MENU
1. PICTURE/SOUND 7. I2C BUS
2. YC SEP
8. PP
3. LOW LIGHT
9. IP
4. HIGH LIGHT
0. SELF-CHK
5. RF AFC
6.
Fig. 1
NUMBERS
VIDEO STATUS
EXT key
(PIP OFF)
Select the setting value
Select the setting Item
key
key