Adjustment - JVC AV-32WF47/R 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
warming 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
PICTURE adjustment
COLOR TEMPERATURE
VSM
SOUND adjustment
BBE
Smart Sound
ASPECT
1-12 (No.YA388)
SECTION 4

ADJUSTMENT

4.3 MEASURING INSTRUMENT AND FIXTURES
• DC voltmeter (or digital voltmeter)
• DC power supply
• Oscilloscope
• Signal generator (Pattern generator) [NTSC]
• TV audio multiplex signal generator
• Remote control unit
4.4 ADJUSTMENT ITEMS
CHECK ITEM
• B1 VOLTAGE check
• HV POTENTIAL check
• X-RAY PROTECTOR OPERATION-1 check
• X-RAY PROTECTOR OPERATION-2 check
FOCUS
• FOCUS adjustment
DEFLECTION CIRCUIT [2.TV-Micro Service]
• V. SIZE / V. POSITION (4:3) adjustment
• V. SIZE / V. POSITION (16:9) adjustment
• H. POSITION / H. SIZE / SIDE PIN (4:3) adjustment
• H. POSITION / H. SIZE / SIDE PIN (16:9) adjustment
VIDEO CIRCUIT [2.TV-Micro Service]
• WHITE BALANCE(High Light & Low Light) adjustment
• SUB BRIGHT adjustment
Preset value
• SUB CONTRAST adjustment
STANDARD
• SUB COLOR adjustment
• SUB TINT adjustment
All 00
MTS CIRCUIT [1.Digital Service]
LOW
• MTS INPUT LEVEL adjustment
OFF
• MTS SEPARATION adjustment
All 00
OFF
OFF
4 : 3