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5.
VCO Adjustment (PD-53 board)
Set the free running frequency of the VCO.
If it is not correct, the image will waver.
STOP
Pin @) of CN002 (HSY)
B6 (VCO CONT)
f=15734 + 30 Hz
Mode
Signal
Measurement Point
Measuring Instrument
Adjustment Page
Adjustment Address
Specified Value
Connection:
1)
Short-circuit R035 with a jumper wite.
PD-53 BOARD
C020
R032
ICo02
cnoo1 | 7035
Adjusting method:
1)
Release the protect.
Page: 1, address: 00, data: 01
2)
Change the data of page: D, address: B6 and adjust the
frequency to the specified value.
3)
Press
the
PAUSE
button
of
the
adjusting
remote
commander.
6.
Horizontal Display Position Adjustment
(PD-53 board)
Adjust the position of the image.
If its position is not correct, it will slip to the right or left.
CH1: Pin @ of CN002 (H SYNC)
CH2: Pin © of CN002 (SPD)
Oscilloscope
BA (H POSITION)
T=3.0 + 0.4 usec
Mode
Signal
Measurement Point
Measuring Instrument
Adjustment Page
Adjustment Address
Specified Value
Adjusting method:
1)
Release the protect.
Page: 1, address: 00, data: 01
2)
Change the data of page: D, address: BA, and adjust the
delay time (T) to the specified value.
Press
the
PAUSE
button
of
the
adjusting
remote
commander.
3)
ae
CH1
CH2
|
{
VU
4
Enlargement
CH1
CH2
Fig. 7-3-34.
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