JVC PD-42V31BJE Service Manual page 24

4.1 ADJUSTMENT PREPARATION
NOTE:
Prior to the following procedure, be sure to connect the
receiver unit and the display unit.
(1) You can make the necessary adjustments for this unit
with either the remote control unit or with the adjustment
equipment 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 the 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 parts, which are not specified
in the list for this variable resistors, transformers, trimmer
capacitors, etc.
(7) Presetting before adjustment.
Unless otherwise specified in the adjustment instructions,
preset the following functions with the remote control unit.
4.3 MAIN PARTS LOCATIONS
4.3.1 RECEIVER UNIT
DIST RELAY PWB
MI-COM
INTERFACE
PWB
FRONT CONTROL PWB
1-24 (No.YA013)
SECTION 4
ADJUSTMENT
MI-COM PWB
Presetting position
!
Setting item
PICTURE MODE
PICTURE adjustments
COLOUR TEMP.
DIGITAL VNR
Super Digi Pure
SOUND adjustments
ZOOM
4.2 MEASURING INSTRUMENT AND FIXTURES
•
DC voltmeter (or Digital voltmeter)
•
Oscilloscope
•
Signal generator (Pattern generator) [PAL/SECAM/NTSC]
•
Remote control unit
DIST PWB
AV SW PWB
RECEIVER POWER PWB
MAIN PWB
Fig.1
Settings
STANDARD
All center (00)
NORMAL
MIN
AUTO
All center (00)
FULL
AV JACK PWB