JVC AV-21MT16/Z Service Manual page 28

Measuring
Item
instrument
SUB TINT 2 Signal
adjustment generator
Oscilloscope
Remote
control unit
W W Y
4.7.5 AUDIO SETTING
This submenu is for display only, no adjustment is required.
Function
AUDIO 1. DC XO ADJ
2. NICAM LOWER ERR LIM
3. NICAM UPPER ERR LIM
4. A2 ID THR
[AV-21MT16/Z]
Function
MENU EQUALIZER
1-28 (No.YA405)
Test point Adjustment part
TP-47B [2. V/C]
TP-E 7. TINT
[CRT SOCKET
PWB]
(B)
( )
0V
C G M R B
(+)
Item
MODE
RF SOUND TURBO
THEATER
MUSIC
NEWS
USER
VIDEO SOUND TURBO
THEATER
MUSIC
NEWS
USER
DVD SOUND TURBO
THEATER
MUSIC
NEWS
USER
[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 to TP-47B and TP-E.
(7) Adjust NTSC 3.58 TINT to set the value (B) in the
figure to +17V [AV-29MT16/Z, AV-29MT36/Z], +10V
[AV-25MT16/Z] or +18V [AV-21MT16/Z, AV-
21MT36/Z].
(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.
Item 100Hz
+12
+3
+6
-1
0
+12
+3
+6
-1
0
+12
+3
+6
-1
0
Description
Setting value
F0H
6FH
B0H
00H
300Hz 1kHz 3kHz
+6 +4 +8
+2 -9 +2
+3 -2 +3
+3 +6 +1
0 0 0
+6 +4 +8
+2 -9 +2
+3 -2 +5
+3 +6 +1
0 0 0
+6 +4 +8
+2 -9 +2
+3 -2 +5
+3 +6 +1
0 0 0
8kHz
+9
+5
+8
-4
0
+12
+5
+9
-4
0
+12
+5
+9
-4
0