Service Adjustments - JVC AV-48WP30 Service Manual

SERVICE ADJUSTMENTS

ADJUSTMENT PREPARATION
1. You can make the necessary adjustments for this unit with
either the Remote Control Unit or With the adjustment
tools and parts as given below.
2. Adjustment with the Remote Control Unit is made on the
basis of the initial setting values, however, the new setting
values which set the screen to its optimum condition may
differ from the initial settings.
3. Make sure that AC power is turned on correctly.
4. Turn on the power for set and test equipment before use, and
start the adjustment procedures after waiting at least 30
minutes.
5. Unless otherwise specified, prepare the most suitable reception
or input signal for adjustment.
6. Never touch any adjustment setting value which are not
specified in the list for this adjustment.
7. Presetting before adjustment
Unless otherwise specified in the adjustment instructions,
preset the following functions with the remote control unit:
" SETTING POSITION
SETTING ITEM
VIDEO STATUS
BASS, TREBLE, BALANCE
HYPER SURROUND
TINT, COLOR, PICTURE,
BRIGHT, DETAIL
COLOR TEMPERATURE
DIGITAL NOISE CLEAR
ADJUSTMENT FLOWCHART
WHEN REPLACING SCREEN AND PROJECTION UNIT
● Contains only the main adjustments. Also confirm other adjustments as required.
SETTING POSITION
STANDARD
CENTER
OFF
CENTER
HIGH
CENTER
No. 51914
ADJUSTMENT EQUIPMENT
1. DC voltmeter (or digital voltmeter)
2. Oscilloscope
3. Signal generator (Pattern generator)
［ NTSC / 480i / 480p / 720p / 1080i / HDCP ］
4. Remote control unit
5. TV audio multiplex signal generator
6. Frequency counter
ADJUSTMENT ITEMS
Adjustment items
Check ( × 4)
1
2 FOCUS & BEAM SPOT adjustment
3 CONVERGENCE & DEFLECTION adjustment
4 VIDEO adjustment
5 MTS adjustment
SETTING ITEM
ASPECT
VERTICAL POSITION
BBE
ON/OFF TIMER
AUTO SHUTOFF
AV-48WP30
SETTING POSITION
FULL
CENTER
ON
NO
OFF
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