Sharp XV-320P Serviceanleitung Seite 11

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/ | xy.320P | | XV-320P
ns XV-320P© | XV-320P©__
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: Chroma trap ® Receive the PAL half colour bar | ® Adjust T402 so that the chroma SECAM R-Y Receive the SECAM half colour bar | @ Adjust T802 so that the
: adjustment: signal. carrier level be minimized. adjustment: ee blanki ng level and the
T402 ® Connect the oscilloscope between T802 ® Connect the oscilloscope between white/black level be the same
pin (1) of TP2 and GND. (XV-320P®© only) pin (8) of TP2 and GND. Apply DC (see below).
12 V to pin (2) of TP2 to get the
luminance signal muted.
® Connect the oscilloscope between
(XV-320P® only) pin (1) of TP2 and GND.
tee ot
Scan converter
oscillation
adjustment:
L4101
Receive the PAL monoscope
pattern signal.
@ Make a short-circuit between pin
(2) of TP1 and GND.
@ Adjust L4101 so that the scroll |
on the screen be minimized.
12 V to pin (2) of TP2 to get the
luminance signal muted.
® Adjust R4162 so that the
amplitude between the
pedestal and the white portion
at pin (3) and that at pin (1) be
the same.
Scan converter Y |
level
adjustment:
R4162
Receive the PAL monoscope
pattern signal.
@ Connect the oscilloscopes each
between pin (1) of TP2 and GND,
and between pin (3) of TP2 and
GND.