JVC AV-21F1P Service Manual page 22

Color television
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Item
Adjustment
of
SUB TINT-II
W
VIDEO STATUS ADJUSTMENT
Item
Setting
of
VIDEO
STATUS
This Manual: http://www.manuallib.com/file/2595095
Measuring
Test point
instrument
Signal
TP-47B
generator
TP-E (" " " " " )
[CRT
Oscillo-
SOCKET
scope
PWB]
Remote
control
unit
Y
G
R
(−)
0V
(B)
(+)
Cy
Mg
B
Measuring
Test point
instrument
Remote
control unit
SUB MENU: VIDEO STATUS
CINEMA
TINT
G DRIVE
COLOR
B DRIVE
PICTURE
R CUT.
BRIGHT
G CUT.
DETAIL
B CUT.
SELECT
BY
EXIT BY
OPERATE BY
EXIT
IT
Adjustment part
[Method of adjustment using measuring instrument]
6. TINT
1. Receive a NTSC 3.58 color bar signal (full field color bar 75%
white).
2. Select the sub menu screen PICTURE from the SERVICE
MENU.
3. Select 6. TINT with the MENU 1/4 key, and confirm its initial
setting value.
4. Connect the oscilloscope between TP-47B and TP-E.
5. Adjust 6. TINT to set the value (B) in the figure to +14V (W &
Mg), with the MENU 2/3 key.
Adjustment part
NOTE: Do not adjust. Each value should be set to the initial value.
TINT
COLOR
PICTURE
1. Select the sub menu screen VIDEO STATUS-CINEMA from
the SERVICE MENU.
BRIGHT
2. Select TINT ~ B CUT. with the MENU 1/4 key, and reset
DETAIL
G DRIVE
each value to the initial setting value on page 15, with the
MENU 2/3 key.
B DRIVE
R CUT.
3. Press the VIDEO STATUS key on the remote control unit to
G CUT.
select VIDEO STATUS-GAME. (Each time you press the
B CUT.
VIDEO STATUS key, CINEMA and GAME alternates.)
4. Make similar settings as in 2 above.
No. 56033
AV-21F1P
Description
Description
21

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