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AV28R25EKS
AV28R250EKS
Measuring
Item
instrument
Ad justment
Signal
of SUB
gener ator
COLOUR Ⅱ Ⅱ Ⅱ Ⅱ
Oscilloscope
Remote
control unit
W
Cy
22
Test point
Ad justment part
TP-47B
5.COLOUR
TP-E(" " " " )
(PAL～ ～ ～ ～ NT SC)
[CRT
SOCKET
PAL COLOUR
PWB ]
(A)
(-)
0
Mg
B
(+)
NTSC COLOUR
[Method of adjustm ent using measur ing instrument]
(PAL COLOUR)
1. Receive a PAL full field colour bar signal (75% white).
2. Push the "ZOOM" key and s elect the "PANORAMIC" mode.
3. Select 2.V/C from the SERVICE MENU.
4. Select 5.COLOUR with the FUNCTION UP/DOWN key.
5. Set the initial setting value of PAL COLOUR with the
FUNCTION - or + k ey.
6. Connect the oscilloscope between TP-47B and T P-E( " ) on
the CRT SOCKET PWB.
7. Adjust PAL COLOUR and bring the value of (A) in the
illustration to the values as shown given billow table (Voltage
differenc e between white (W) and blue (B)).
8. Press the MENU key and memoriz e the s etting value.
(NTSC 3.58 COLOUR)
1. Input a NTSC 3.58MHz COMPOSITE VIDEO signal (full field
colour bar with 75% white) from the EXT terminal.
2. Set the initial s etting value of NTSC 3.58 COLOUR with the
FUNCTION -/+ key.
3. Adjust NTSC 3.58 COLOUR and bring the value of (A) in the
illustration to the values as shown given billow table (Voltage
differenc e between white (W) and blue (B)).
4. Press the MENU key and memoriz e the s etting value.
(NTSC 4.43 COLOUR)
1. When NTSC 3.58 is s et, NTSC 4.43 will be automatically s et at
the respective values.
No. 51941
Description
VOLTAGE (W-B)
+2V
VOLTAGE (W-B)
0V
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