JVC AV-27D201 Service Manual page 25

Measuring
Item
instrument
SUB TINT Remote
adjustment
control unit
Signal
generator
Oscilloscope
Remote
control unit
Cy G
W
Y
Test point Adjustment part
No.4 TINT
TP-R No.4 TINT
TP-E(# # # # )
[CRT
SOCKET
PWB]
B
(B)


( )
0V



Mg
R
[ Method of adjustment without measuring instrument ]
1. Receive the broadcast.
2. Select No.4 TINT of the PICTURE MODE.
3. Set the initial setting value of the No.4 TINT with the
LEFT/RIGHT key of the MENU.
4. If the tint is not the best with the initial setting value, make fine
adjustment of the No.4 TINT until you get the optimum tint.
[ Method of adjustment using measuring instrument ]
1. Input the full field color bar signal (75% white).
2. Select No.4 TINT of the PICTURE MODE.
3. Set the initial setting value of the No.4 TINT with the
LEFT/RIGHT key of the MENU.
4. Connect the oscilloscope between TP-R and TP-E .
5. Adjust TINT and bring the value of
voltage shown in the table bellow ( V w-
AV-27D201
AV-32D201 / A
No. 51686
AV-27D201
AV-32D201
Description
(B)
in the illustration to the
).
Y
Voltage between W-Y
+18V
+20V
25