1-12 (No.YA057)
SECTION 4
ADJUSTMENT
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.
4.2
PRESET SETTING BEFORE ADJUSTMENTS
Unless otherwise specified in the adjustment items, preset the
following functions with the REMOTE CONTROL UNIT.
4.3
MEASURING INSTRUMENT AND FIXTURES
• DC voltmeter (or digital voltmeter)
• Oscilloscope
• Frequency counter
• Signal generator (Pattern generator) [NTSC]
• TV audio multiplex signal generator
• Remote control unit
4.4
ADJUSTMENT ITEMS
• B1 POWER SUPPLY check
• HIGH VOLTAGE HOLD DOWN check
• IF VCO adjustment
• FOCUS adjustment
• V. SIZE / V. POSITION (4:3) adjustment
• V. SIZE / V. POSITION (16:9) adjustment
• H. POSITION / H. SIZE / SIDE PIN (4:3) / (16:9) adjustment
• WHITE BALANCE(High Light & Low Light) adjustment
• SUB BRIGHT adjustment
• SUB CONTRAST adjustment
• MTS INPUT LEVEL adjustment
• MTS SEPARATION adjustment
Item
Preset value
ASPECT
4:3
VIDEO STATUS
STANDARD
TINT / COLOR / PICTURE / BRIGHT / DETAIL
0
COLOR TEMPERATURE
LOW
VSM
OFF
BASS / TREBLE / BALANCE
0
MTS
STEREO
BBE
OFF
A.H.S
[AV-32F485]
OFF
HYPER SORROUND
[AV-32F475]
OFF
