JVC AV28H20EUS Service Manual page 24

AV32H20EUS
AV28H20EUS
AV28H20EUB
Measuring
Item
instrument
SUB HUEⅠ Ⅰ Ⅰ Ⅰ Remote
control unit
adjustment
Ad justment Signal
of gener ator
SUB HUE Ⅱ Ⅱ Ⅱ Ⅱ
Oscilloscope
Remote
control unit
Y
W Cy
24
Test point Ad justment part
8.HUE
NTSC 3.58 HUE
NTSC 4.43 HUE
TP-47B 8. HUE
TP-E(# # # # )
[CRT
NTSC 3.58 HUE
SOCKET
PWB]
G R
(B)
(-)
0
Mg B
(+)
NTSC 4.43 HUE
[Method of adjustm ent without m easuring instrument]
[NTSC 3.58 HUE]
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 8. HUE with the FUNCTION UP/DOW N ( / ) key.
4. Set the initial setting value of NTSC 3.58 HUE with the
FUNCTION -/+ ( / ) key.
5. If you cannot get the best hue with the initial setting value,
make fine adjustment until you get the bes t hue.
6. Press the MENU key and memoriz e the s et value.
(NTSC 4.43 HUE)
1. W hen NTSC 3.58 is set, NTSC 4.43 will be automatic ally s et at
the respective values
[Method of adjustm ent using measur ing instrument]
[NTSC 3.58 HUE]
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 8. HUE with the FUNCTION UP/DOW N ( / ) key.
4. Set the initial setting value of NTSC 3.58 HUE with the
FUNCTION - or + ( / ) key.
5. Connect the osc illosc ope between TP-47B and TP-E(#)
6. Adjust NTSC 3.58 HUE to bring the value of (B) in the
illustration to the values as s hown given billow (voltage
differenc e between white (W) and magenta (Mg)).
7. Press the MENU key and memoriz e the s etting value
VOLTAGE (W-Mg)
(NTSC 4.43 HUE)
1. When NTSC 3.58 COLOUR set, NTSC 4.43 COLOUR will
automatic ally set.
No. 51945
Description
32" 28"
-8V -3V