JVC AV-29V314, Service Manual

Page: 21 / 33

(No.YA139)1-21
4.7.5 AUDIO SETTING
This submenu is for display only, no adjustment is required.
SUB TINT 1
adjustment Signal
generator
Remote
control unit
[2. V/C]
7. TINT [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.
SUB TINT 2
adjustment Signal
generator
Oscilloscope
Remote
control unit
TP-47G
TP-E
[CRT SOCKET
PWB] [2. V/C]
7. 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 +8V .
(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
Measuring
instrument
Test point Adjustment part Description
M
B
(–)
0V
(+)
R
C
Y
W
(B)
G
Function Item Setting value
AUDIO 1. DC XO ADJ F0H
2. NICAM LOWER ERR LIM 6FH
3. NICAM UPPER ERR LIM B0H
4. A2 ID THR 00H
Function Item 100Hz 300Hz 1kHz 3kHz 8kHz
MENU EQUALIZER DYNAMIC +4 +3 -10 +3 +4
MUSIC +7 +2 +5 +2 +7
NEWS -6 +1 +6 +1 -6
USER 0 0 0 0 0