JVC AV28R25EKS/C, Руководство по обслуживанию

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No. 51941
AV28R25EKS
AV28R250EKS
23
Item
Measuring
instrument
Test point Ad justment part Description
6. HUE [Method of adjustment without measuring instrument]
NTSC 3.58 HUE [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. Push the “ZOOM” key and s elect the “PANORAMIC” mode.
3. Select 2.V / C from the SERVICE MENU.
4. Select 6. HUE with the FUNCTION UP/DOW N key.
5. Set the initial setting value of NTSC 3.58 HUE with the
FUNCTION -/+ key.
6. If you cannot get the best hue with the initial setting value,
make fine adjustment until you get the bes t hue.
7. Press the MENU key and memoriz e the s et value.
Ad justment
of
SUB HUE
Ⅰ Ⅰ Ⅰ Ⅰ
Remote
control unit
NTSC 4.43 HUE [NTSC 4.43 HUE]
1. When NTSC 3.58 is s et, NTSC 4.43 will be automatically s et at
the respective values.
6. HUE [Method of adjustment using measuring instrument]
NTSC 3.58 HUE [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 6. HUE with the FUNCTION UP/DOW N key.
4. Set the initial setting value of NTSC 3.58 HUE with the
FUNCTION - or + k ey.
5. Connect the oscilloscope between TP-47B and T P-E( " ) on
the CRT SOCKET PWB.
6. Adjust NTSC 3.58 HUE to bring the value of (B) in the
illustration to the values shown given billow table (voltage
differenc e between white (W) and magenta (Mg)).
7. Press the MENU key and memoriz e the s etting value
Ad justment
of
SUB HUE
Ⅱ
Ⅱ Ⅱ
Ⅱ
Signal
generator
Oscilloscope
Remote
control unit
TP-47B
TP-E(
"
" "
"
)
[CRT
SOCKET
PWB]
NTSC 4.43 HUE [NTSC 4.43 HUE]
1. When NTSC 3.58 is set, NTSC 4.43 will be automatically set at
the respective values.
0
W
Cy Mg B
(B)
(-)
(+)
VOLTAGE (W-Mg)
0V