No. 51833
AV-N29220
20
Item
Measuring
instruments
Test point
Adjustment part
Description
[ Method of adjustment without measuring instrument ]
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 the best with the initial setting value, make fine
adjustment of the “No.5 TINT” until you get the optimum tint.
SUB TINT
adjustment
Signal
generator
Oscilloscope
Remote
control unit
TP-R
TP-E(
#
#
#
#
)
[CRT
SOCKET
PWB]
No.5 TINT
[ Method of adjustment using measuring instrument ]
1. Input the full field color bar signal (75% white).
2. Select “No.5 TINT” to the PICTURE MODE.
3. Set the initial setting value of the “No.5 TINT” with the
LEFT/RIGHT key to the MENU.
4. Connect the oscilloscope between TP-R and TP-E.
5.
Adjust TINT and bring the value of
(B)
in the illustration to the
voltage
+9V
(V
W-Y
).
ADJUSTMENT OF MTS CIRCUIT
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.
Y
Y
Y
Y
W
W
W
W
Cy
G
Mg
R
B
(B)
0V
(-)
(+)