JVC AV-32WL1EU Service Manual page 27

Measuring
Item
instrument
Adjustment Remote
of control unit
SUB HUEⅠ Ⅰ Ⅰ Ⅰ
Adjustment Signal
of generator
SUB HUEⅡ Ⅱ Ⅱ Ⅱ
Oscilloscope
Remote
control unit
Mg
W
Cy
Test point Adjustment part
11.HUE
NTSC 3.58 HUE
NTSC 4.43 HUE
TP-47B 11.HUE
TP-E(# # # # )
[CRT
NTSC 3.58 HUE
SOCKET
PWB]
(B)
( ( ( ( － － ) ) ) )
－ －
0V
B
( ( ( ( ＋ ＋ ) ) ) ) ＋ ＋
NTSC 4.43 HUE
No. 51733
Description
[Method of adjustment without measuring instrument]
1. Input a NTSC 3.58MHz COMPOSITE VIDEO signal (full field
colour bar with 75% white) from the EXT terminal.
2. Select 2.V/C from the SERVICE MENU.
3. Select 11.HUE with the FUNCTION UP/DOWN key.
4. Set the initial setting value of NTSC 3.58 HUE with the
FUNCTION LEFT/RIGHT key.
5. If you cannot get the best hue with the initial setting value,
make fine adjustment until you get the best hue.
6. Press the OK key and memorize the set value.
1. When NTSC 3.58 is set, NTSC 4.43 will be automatically set at
the respective values.
[Method of adjustment using measuring instrument]
1. Input a NTSC 3.58MHz COMPOSITE VIDEO signal (full field
colour bar with 75% white) from the EXT terminal.
2. Select 2.V/C from the SERVICE MENU.
3. Select 11.HUE with the FUNCTION UP/DOWN key.
4. Set the initial setting value of NTSC 3.58 HUE with the
FUNCTION LEFT/RIGHT key.
5. Connect the oscilloscope between TP-47B and TP-E
6. Adjust NTSC 3.58 HUE to bring the value of (B) in the
-13V
illustration to (voltage difference between white (W) and
magenta(Mg)).
7. Press the OK key and memorize the setting value
When NTSC 3.58 is set, NTSC 4.43 will be automatically set at
the respective values.
AV-32WL1EU
AV-32WL1EI
AV-32WL1EK
27