Adjustment - JVC AV-32S565 Series Service Manual

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.
Item
VIDEO STATUS
TINT, COLOR, PICTURE, BRIGHT, DETAIL
COLOR TEMPERATURE
DIG. NOISE CLEAR
NATURAL CINEMA
BASS, TREBLE, BALANCE
A.H.S [AV-32S575/AV-32S585]
HYPER SORROUND [AV-32S565]
BBE
AUDIO OUT [AV-32S575/AV-32S585]
ASPECT
1-14 (No.YA093)
SECTION 4

ADJUSTMENT

4.3 MEASURING INSTRUMENT AND FIXTURES
• DC voltmeter (or digital voltmeter)
• Oscilloscope
• Frequency counter
• Signal generator (Pattern generator)
[NTSC (480i) / 480p / 720p / 1080i / DIGITAL]
• TV audio multiplex signal generator
• Remote control unit
4.4 ADJUSTMENT ITEMS
CHECK ITEM
• B1 VOLTAGE check
• HIGH VOLTAGE HOLD DOWN CIRCUIT check
FOCUS
• FOCUS adjustment
HORIZONTAL FREQUENCY
• H. FREQUENCY adjustment
DEFLECTION CIRCUIT
• V. POSITION / V. SIZE / V. LINEARITY adjustment
• H. POSITION / H. SIZE / SIDE PIN / TRAPEZIUM adjustment
VIDEO CIRCUIT
• WHITE BALANCE(High Light & Low Light) adjustment
• SUB BRIGHT adjustment
Preset value
• SUB CONTRAST adjustment
STANDARD
• SUB COLOR / SUB TINT / B-Y GAIN (1) adjustment
Center (00)
• SUB COLOR / SUB TINT / B-Y GAIN (2) adjustment
LOW
MTS CIRCUIT
• MTS INPUT LEVEL adjustment
OFF
• MTS SEPARATION adjustment
AUTO
Center (00)
OFF
OFF
ON
FIX
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