— 7 —
Vcom Adjustment
Input
Input
Input
Output
Output
Connection Point
Signal
Connection
Point
Adjust
Result
VR330
Free-running Frequency Adjustment
Oscilloscope
Output
TP8
Adjust VR328 so that square-
wave to read 6.0
±
0.1V.
Adjust VR330 so that high level
of the square-wave is at 0.0
±
0.25V.
Oscilloscope
TP8
VR328
VR330
Photo sensor
amp.
Band pass filter
Oscilloscope
Frequency
Counter
VR748
TP6
Photo senser amp.
Oscilloscope
AV-C1
ON
OFF
H
M
L
Band-pass
filter
Photo
diode
* Place a photo diode on the middle of the display plate.
Output
TP6
Frequency
Counter
Adjust for a reading of 15.73
±
0.01 KHz.
Adjust for ripple at minimum.
TV-5100
Set
TV-5100
Set
TV-5100
Set
