Audio Setting - JVC AV-21VT15 Service Manual

Measuring
Item
instrument
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.
Function
MENU EQUALIZER DYNAMIC
MUSIC
NEWS
USER
1-22 (No.YA254)
Test point Adjustment part
TP-47G [2. V/C]
TP-E 7. TINT
[CRT SOCKET
PWB]
B
M
R
C
(–)
0V
G
(+)
Y
Item
[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 color bar signal (full field color
bar 75% white).
(2) Press the [COLOR SYSTEM] key to select the
NTSC 3.58 color 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.
100Hz 300Hz
+4 +3
+7 +2
-6 +1
0 0
Description
1kHz 3kHz
-10 +3
+5 +2
+6 +1
0 0
8kHz
+4
+7
-6
0