Adjustment - JVC AV-29QT4SU 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
SIDE CONTROL
TOP
TOP
HEADPHONE
VIDEO
L
R
1-8 (No.YA085C)

ADJUSTMENT

LED PWB
LED
TOP
PWB
MENU
P/Ch
PL101
AV & PL103
PL102
HEADPHONE
PWB
MEMORY
IC101
PL106
PL107
PL104
PL105
TUNER
TU100
FRONT
SPEAKER
R
PL116
SPEAKER
L
PL902
PL901
CRT SOCKET PWB
(SOLDER SIDE)
SECTION 4
Setting item
BRIGHTNESS
CONTRAST
COLOUR
SHARPNESS
COLOUR TEMP
ZOOM
4.2 MEASURING EQUIPMENT
(1) Signal generator (Pattern generator)
[PAL / SECAM / NTSC]
(2) Remote control unit
4.3 ADJUSTMENT ITEM
• FOCUS ADJUSTMENT
• SCREEN ADJUSTMENT
• DEFLECTION CIRCUIT ADJUSTMENT
(SOLDER SIDE) POWER SW PWB
IR RECEIVER
FRONT
PL107
POWER CORD
MAIN PWB
PL800
PL404 PL401
PL105
PL603
PL115
PL605
EXT-1(SCART)
EXT-2(SCART)
TOP
Setting value
CENTRE
NORMAL
AUTO
POWER SW
FUSE
FRONT
PFC COIL
PL801
DEG COIL
PL802
DEF YOKE
PL602
FBT
UPPER : FOCUS
LOWER : SCREEN