JVC AV-32WL1EI, Service Manual

Page: 26 / 81

No. 51733
AV-32WL1EU
AV-32WL1EI
AV-32WL1EK
26
Item
Measuring
instrument
Test point Adjustment part Description
10.COLOUR
[Method of adjustment using measuring instrument]
PAL COLOUR 1. Receive the PAL full field colour bar signal(75% white).
2. Select 2.V/C from the SERVICE MENU.
3. Select 10.COLOUR with the FUNCTION UP/DOWN key.
4. Set the initial setting value of PAL COLOUR with the
FUNCTION LEFT/RIGHT key.
5. Connect the oscilloscope between TP-47B and TP-E
6. Adjust PAL COLOUR and bring the value of (A) in the illustration
to
-3V
(voltage difference between white (w) and blue (B)).
7. Press the OK key and memorize the setting value.
SECAM COLOUR
[Except for the AV-
32WL1EK]
1. Receive the SECAM full field colour bar signal(75% white).
2. Set the initial setting value of SECAM COLOUR with the
FUNCTION LEFT/RIGHT key.
3. Adjust SECAM COLOUR and bring the value of (A) of the
illustration to
-6V
(W
～
B).
4. Press the OK key and memorize the setting value.
NTSC 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 setting value of NTSC 3.58 COLOUR with the
FUNCTION LEFT/RIGHT key.
3. Adjust NTSC 3.58 COLOUR and bring the value of (A) of the
illustration to
-3V
(W
～
B).
4. Press the OK key and memorize the setting value.
Adjustment
of SUB
COLOUR
Ⅱ Ⅱ Ⅱ Ⅱ
Signal
generator
Oscilloscope
Remote
control unit
TP-47B
TP-E(
#
# #
#
)
[CRT
SOCKET
PWB ]
NTSC 4.43 COLOUR
1. When NTSC 3.58 is set, NTSC 4.43 will be automatically set at
the respective values.
( ( ( ( ＋ ＋ ＋ ＋ ) ) ) )
( ( ( ( － － － － ) ) ) )
0V
W Cy
Mg
B
(A)