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SERVICING
OVERVIEW
(1) This set uses an A/C adapter. Connect the adapter
and the set correctly before adjustment.
(2) The adjustment must be performed in the correct
sequence.
(3) The adjustment must be performed in the circum-
stance of 25±5°C of temperature and 65±10% of
relative humidity if there is no specific designation.
(4) The input voltage of the receiver must keep
100~220V, 50/60Hz in adjusting.
(5) The set must be operated for 30 minutes before
adjustment if there is no specific designation.
Heat Run must be performed with the full white signal or
TV noise signal.
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CM154 - 923-03495
SERVICING
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PC INPUT MODE ADJUSTMENT
REQUIRED TEST EQUIPMENT
(1) A pattern generator being in proportion to
801GF(or VG819) ; Gray Pattern of 16(11) tones (2) A
Service remote control.
AUTO GRAY ADJUSTMENT
(1) Perform Heat Run for more than 30 minutes
in white pattern.
(2) Connect the signal of pattern generator with LCD
TV of PC Input Jack(D-Sub).
(1) Apply the gray signal of XGA(1024X768) 16 tones(H:
31-214 Pattern, V: 60-84 Pattern) by using 801GF. Or
apply the gray signal of Pattern Generator 16(11) tones
by using VG819.
(2) In SVC Menu mode,adjust the Auto gray from
0 to 1 by using Volume + Key.
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ZLD15A1B - SERVICING
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