Adjustment - JVC AV-20RM4SE Service Manual

4.1 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 parts which are not specified
in the list for this adjustment - variable resistors,
transformers, condensers, etc.
(7) Presetting before adjustment.
Unless otherwise specified in the adjustment instructions,
preset the following functions with the remote control unit:
4.4 ADJUSTMENT LOCATIONS
TOP
FRONT AV JACK PWB
TOP
HP
HEADPHONE JACK PWB
SECTION 4

ADJUSTMENT

Setting item
BRIGHTNESS
CONTRAST
COLOUR
SHARPNESS
4.2 ADJUSTMENT EQUIPMENT
(1) DC voltmeter (or digital voltmeter)
(2) Signal generator (Pattern generator)
: [PAL / SECAM / NTSC]
(3) Remote control unit
4.3 ADJUSTMENT ITEM
• FOCUS ADJUSTMENT
• SCREEN ADJUSTMENT
• OSD HORIZONTAL POSITION ADJUSTMENT
• IF ADJUSTMENT
• AGC AUTOMATICALLY ADJUSTMENT
• DEFLECTION ADJUSTMENT
• WHITE BALANCE ADJUSTMENT
REMOCON
MENU
RECEIVER
LED
IC500
EEP ROM
IC501
MICOM
TUNER
AV-1(SCART)
Setting value
Center
FRONT
(+) (-) (+) (-)
CH. / PROG. VOL.
PL602
MAIN PWB
MAIN
SW
FUSE
FBT
UPPER:FOCOUS
LOWER:SCREEN
(No.YA080)1-11