Sharp XV-310P Serviceanleitung Seite 20

xv-31 BP
Adjustment position
NTSC horizontal
center
22
Scanning line
conversion
phase: RI119
23
Oscillation
frequency: Ll 001
24
Oscillation
frequency:
25
Sign position:
26
Audio output:
R2062
Adjustment condition
Receive the NTSC monoscope
l
pattern signal.
Horizontal center control
0 0 El
pattern signal.
Connect the frequency counter
l
between TPlOOl and GND.
Connect the frequency counter
l
between TPlOO2 and GND.
Display the sign on the screen.
l
Adjust T2001 to position the sign
l
on the screen.
Receive the NTSC monoscope
l
pattern signal.
the center terminal of R2062 and
GND.
Adjustment method
Turn the control on the panel (see
the figure at.left) to make the
image at the center of the screen.
Adjust R1119 so that the image
should come at the center of the
screen.
Turn LlOOl so that the oscillation
frequency be 15.625 + 0.01 kHz.
Adjust L1002 so that the oscillation
frequency be 15.625 + 0.01 kHz.
This symbol to be in contact
with the outer circle
Turn up the VOL button from
minimum to the fourth step
(where the second sign becomes
reddish).
Adjust R2062 so that the voltmeter
should read 0.8 2 0.02 V.