Herunterladen Diese Seite drucken

Sharp XV-110ZM Serviceanleitung Seite 14

Werbung

Verfügbare Sprachen

Verfügbare Sprachen

Green bias adjustment
(R1443)
Video output bias
adjustment
(R1430)
Chroma Trap adjustment
(T401)
Brightness adjustment
(R2082)
White balance adjustment
(Red)
L) R1549:
Rdrive
C] R1446:
Rbias
Connect a DC volt meter between pin
(37) of IC1401 and GND.
. Receive
"PAL
COLOUR
BAR"
signal.
. Connect oscilloscope between pin
(8) of G connector
(G-OUT)
and
GND.
. Make the Colour control and the
Brightness control minimum.
. Receive "MONOSCOPE
PATTERN"
signal.
. Block optical path of red and blue
to get only green.
. Receive "MONOSCOPE
PATTERN"
signal.
14
Obtain 2.0+0.05V by turning
R1443.
Adjust R1430 so that the top and
bottom waveformes are symm-
etrical.
Obtain
minimum
peak-peak
value of waveform
by turning
TP401.
Obtain the point where the first
gradation A is blackened.
Obtain
minimum
peak-peak .
value of waveform
by turning
R1549 and 1446.

Werbung

loading