JVC AV-21VT14/P Service Manual page 22

Measuring
Item
instrument
SUB TINT 1 Signal
adjustment generator
Remote
control unit
SUB TINT 2 Signal
adjustment generator
Oscilloscope
Remote
control unit
(B)
W
4.7.5 AUDIO SETTING
This submenu is for display only, no adjustment is required.
[AV-21VT14/P]
Function
MENU EQUALIZER DYNAMIC
MUSIC
NEWS
USER
[AV-21VT34/P]
Function
MENU EQUALIZER DYNAMIC
MUSIC
NEWS
USER
1-22 (No.YA140)
Test point Adjustment part
[2. V/C]
7. TINT
TP-47G [2. V/C]
TP-E 7. TINT
[CRT SOCKET
PWB]
B
M
R
C
(–)
0V
G
(+)
Y
Item
Item
[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".
- NTSC 3.58 TINT -
(1) Receive a NTSC 3.58 colour bar signal (full field
colour bar 75% white).
(2) Press the [COLOUR SYSTEM] key to select the
NTSC 3.58 colour system.
(3) Select 2. V/C from the SERVICE MENU.
(4) Select 7. TINT.
(5) Set the initial setting value of NTSC 3.58.
(6) If you cannot get the best tint with the initial setting
value, make fine adjustment until you get the best
tint.
(7) Press the [DISPLAY] key twice to return to the
normal screen.
- NTSC 4.43 TINT -
When adjustment is done for NTSC 3.58 TINT,
appropriate values are automatically set for NTSC 4.43
TINT.
[Method of adjustment using measuring instrument]
Notes:
• Proceed to the following adjustment after having
completed the SUB CONTRAST adjustment.
• Set PICTURE MODE (VSM) to "BRIGHT".
- NTSC 3.58 TINT -
(1) Receive a NTSC 3.58 colour bar signal (full field
colour bar 75% white).
(2) Press the [COLOUR SYSTEM] key to select the
NTSC 3.58 colour system.
(3) Select 2. V/C from the SERVICE MENU.
(4) Select 7. TINT.
(5) Set the initial setting value of NTSC 3.58.
(6) Connect the oscilloscope between TP-47G and TP-E.
(7) Adjust NTSC 3.58 TINT to set the value (B) in the
figure to +4V.
(8) Press the [DISPLAY] key twice to return to the
normal screen.
- NTSC 4.43 TINT -
When adjustment is done for NTSC 3.58 TINT, appropriate
values are automatically set for NTSC 4.43 TINT.
100Hz 300Hz
+4 +3
+7 +2
-6 +1
0 0
100Hz 300Hz
+4 +3
+1 +2
-6 +1
0 0
Description
1kHz 3kHz
-10 +3
+5 +2
+6 +1
0 0
1kHz 3kHz
0 +3
+6 +5
+6 +1
0 0
8kHz
+4
+7
-6
0
8kHz
+4
+6
-6
0