JVC AV-29QT4SU Service Manual page 13

4.7 ADJUSTMENTS PROCEDURE
4.7.1 FOCUS ADJUSTMENT
Measuring
Item
instrument
FOCUS Signal
adjustment generator
Remote
control unit
4.7.2 SCREEN ADJUSTMENT
Measuring
Item
instrument
SCREEN Remote
adjustment control unit
Test point Adjustment part
FOCUS VR
[On the FBT]
Test point Adjustment part
SCREEN VR
[On the FBT]
009 VG2
[SERVICE MODE]
Description
(1) Receive a crosshatch signal.
(2) Adjust FOCUS VR on the FBT for the lines to be-
come as thin as possible.
FBT
Description
(1) Enter the SERVICE MODE.
(2) Select VG2.
(3) Adjust the SCREEN VR until the "STABLE IN" sign
appears on the screen.
AK49-0.0.104-JVC-GRA
005 AGCSPD
006 AGCTO
007 COFF
008 VSD
009 VG2
010 TUBE
011 VERT ZOOM
012 VERT SLOP
013 VERT SHIFT
STABLE IN
Appears
FOCUS VR
SCREEN VR
001
033
025
031
031
001
035
037
025
(No.YA085C)1-13