No. 51787
C-20210
AV-20220
AV-20221
19
Item
Measuring
instruments
Test point
Adjustment part
Description
SUB
BRIGHT
Adjustment
No.1 BRIGHT
1. Receive
a
broadcast.
2. Select No.1 BRIGHT of the PICTURE MODE.
3. Set the initial setting value of the No.1 BRIGHT with the
LEFT / RIGHT key of the MENU.
4. If the brightness is not best with the initial setting value,
make fine adjustment of the No.1 BRIGHT until you get the
optimum brightness.
SUB
CONTRAST
Adjustment
No.2 PICTURE
1. Receive
a
broadcast.
2. Select No.2 PICTURE of the PICTURE MODE.
3. Set the initial setting value of the No.2 PICTURE with the
LEFT / RIGHT key of the MENU.
4. If the contrast is not best with the initial setting value, make
fine adjustment of the No.2 PICTURE until you get the
optimum contrast.
SUB
COLOR
Adjustment
No.6 COLOR
1. Receive
a
broadcast.
2. Select No.6 COLOR of the PICTURE MODE.
3. Set the initial setting value of the No.6 COLOR with the
LEFT / RIGHT key of the MENU.
4. If the color is not best with the initial setting value, make fine
adjustment of the No.6 COLOR until you get the optimum
color.
SUB TINT
Adjustment
No.5 TINT
1. Receive
a
broadcast.
2. Select No.5 TINT of the PICTURE MODE.
3. Set the initial setting value of the No.5 TINT with the LEFT /
RIGHT key of the MENU.
4. If the tint is not best with the initial setting value, make fine
adjustment of the No.5 TINT until you get the optimum tint.
ADJUSTMENT OF MTS CIRCUIT [AV-20220 / AV-20221 Only]
Item
Measuring
instrument
Test point
Adjustment part
Description
MTS INPUT
LEVEL
check
No.1 IN LEVEL
1. Select the “No.1 IN LEVEL” of the SOUND MODE.
2. Verify that the “No.1 IN LEVEL” is set at its initial setting
value.
MTS
STEREO
VCO
adjustment
Signal
generator
Frequency
counter
R OUT
[AUDIO OUT]
No.2 FH MON.
No.3 ST VCO
1. Receive a RF signal (nonmodulated sound signal) from the
antenna terminal.
2. Select the “No.2 FH MON.” of SOUND MODE, and change
the setting value from 0 to 1.
3. Connect the Frequency Counter to R OUT RCA pin of the
AUDIO OUT.
4. Select the “No.3 ST VCO”.
5. Set the initial setting value of the “No.3 ST VCO” with the
LEFT/RIGHT key of the menu.
6. Adjust the “No.3 ST VCO” so that the Frequency Counter will
display 15.73kHz
±
0.1kHz.
7. Select the “No.2 FH MON.” of the SOUND MODE, and reset
the setting value from 1 to 0.