JVC AV-2954WE, Service Manual

Page: 21 / 123

(No. YA104) 1-21
Item
Measuring
instrument
Test point Adjustment part Description
SUB BRIGHT
adjustment Notes:
•
Proceed to the following adjustment after having completed
the WHITE BALANCE (Low light) and WHITE BALANCE
(High light) adjustment.
•
Set PICTURE MODE (VSM) to “BRIGHT”.
(1) Receive a broadcast.
(2) Select
2. V/C from the SERVICE MENU.
(3) Select 4. BRIGHT .
(4) Set the initial setting value.
(5) If the brightness is not best with the initial setting value,
make fine adjustment until you get the best brightness.
(6) Press the [DISPLAY] key twice to return to the normal
screen.
SUB
CONTRAST
adjustment Remote
control unit Notes:
•
Proceed to the following adjustment after having completed
the SUB BRIGHT adjustment.
•
Set PICTURE MODE (VSM) to “BRIGHT”.
(1) Receive a broadcast.
(2) Select
2. V/C from the SERVICE MENU.
(3) Select 5. CONT .
(4) Set the initial setting value.
(5) If the contrast is not best with the initial setting value,
make fine adjustment until you get the best contrast.
(6) Press the [DISPLAY] key twice to return to the normal
screen.
[2. V/C]
5. CONT
Remote
control unit [2. V/C]
4. BRIGHT
SUB
COLOUR 1
adjustment Remote
control unit
[Method of adjustment without measuring instrument]
Notes:
•
Proceed to the following adjustment after having completed
the SUB CONTRAST adjustment.
•
Set PICTURE MODE (VSM) to “BRIGHT”.
- PAL COLOUR -
(1) Receive a PAL broadcast.
(2) Select
2. V/C from the SERVICE MENU.
(3) Select 6. COLOUR .
(4) Set the initial setting value for PAL COLOUR.
(5) If the colour is not best with the initial setting value, adjust
until you get the best colour.
(6) Press the [DISPLAY] key twice to return to the normal
screen.
- SECAM COLOUR -
(1) Receive a SECAM broadcast.
(2) Press the [COLOUR SYSTEM] key to select the SECAM
colour system.
(3) Adjust SECAM COLOUR in the same way as for “PAL
COLOUR”.
- NTSC 3.58 COLOUR -
(1) Receive a NTSC 3.58MHz broadcast.
(2) Press the [COLOUR SYSTEM] key to select the NTSC
3.58 colour system.
(3) Adjust NTSC 3.58 COLOUR in the same way as for “PAL
COLOUR”.
- NTSC 4.43 COLOUR -
When adjustment is done for NTSC 3.58 COLOUR,
appropriate values are automatically set for NTSC 4.43
COLOUR.
[2. V/C]
6. COLOUR