(No.52169)1-21
SECTION 4
ADJUSTMENTS
4.1
ADJUSTMENT PREPARATION
(1)
There are 2 ways of adjusting this TV : One is with the
REMOTE CONTROL UNIT and the other is the
conventional method using adjustment parts and
components.
(2)
The adjustment using the REMOTE CONTROL UNIT is
made on the basis of the initial setting values. The
setting values which adjust the screen to the optimum
condition can be different from the initial setting
values.
(3) Make sure that connection is correctly made AC to AC
power source.
(4) Turn on the power of the TV and measuring instruments for
warning up for at least 30 minutes before starting
adjustments.
(5) If the receive or input signal is not specified, use the most
appropriate signal for adjustment.
(6) Never touch the parts (such as variable resistors,
transformers and condensers) not shown in the adjustment
items of this service adjustment.
(7) Preparation for adjustment. Unless otherwise specified in
the adjustment items, preset the following functions with
the REMOTE CONTROL UNIT.
4.2
MEASURING INSTRUMENT AND FIXTURES
• DC voltmeter (or Digital voltmeter)
• Oscilloscope
• Signal generator (Pattern generator)
• Remote control unit
4.3
MAIN PARTS LOCATIONS (RECEIVER UNIT)
Setting item
Settings
VIDEO STATUS
STANDARD
BRIGHT / CONTRAST / COLOR / TINT Center
COLOR TEMPERATURE
LOW
DIG. NOISE CLEAR
OFF
COLOR MANEGMENT
STD
NATURAL CINEMA
OFF
DIGITAL VNR
OFF
TREBLE / BASS / BALANCE
Center
BBE
OFF
AHS
OFF
AHB
OFF
RECEIVER PWB
FRONT CONTROL PWB
DIST RELAY PWB
MI-COM & DIST MODULE PWB
MAIN PWB
RECEIVER POWER PWB
BOTTOM CASE
DIGITAL INPUT MODULE
DIST HOLDER
Содержание PD-42WV74
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