JVC AV-21L41/BK Service Manual page 22

Colour flat television
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Measuring
Item
instrument
Remote
Adjustment
control unit
of SECAM
BLACK
Signal
OFFSET
generator
KEY ASSIGNMENT OF REMOTE CONTROL UNIT
COLOUR
ON
1
COLOUR
OFF
4
7
Test point
Adjustment part
7.SECAM
BL ADJUST
2
3
5
6
8
9
[Method of adjustment using measuring instrument]
1. Receive a SECAM full field colour bar signal.
2. Select 2. V/C from SERVICE MENU.
3. Select 7. SECAM BL ADJUST with ▼ / ▲ MENU key.
4. Set the initial setting value with the – or + MENU key.
5. Switch the ① key (colour OFF) and ② key (colour ON) on the
remote control and make sure that there is no colour on the
black and white screen.
6. If the black and white screen is not best with the initial setting
value, make fine adjustment until you get the best black and
white screen.
7. While watching the screen, adjust the value to be the same
colour between ON & OFF by ten key on the remote control
unit.
8. Press the DISPLAY key twice to return to the normal screen.
No. 51859
Description
AV-21L41
25

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