– 31 –
KV-AR252M61
RM-W102
3-4. DEFLECTION ADJUSTMENT
H-TRAPEZOID ADJUSTMENT
1. Receive cross hatch/dot signal
2. Adjust RV1801 on C-Board to make H-Trapezoid
distortion best.
NORMAL MODE (50Hz)
1. Set to Service Mode.
2. Input SPCB Signal (For NTSC models select Video
Mode)
3. Using the
1
and
4
buttons select category GEO
(service mode) Raise/lower data using the
3
and
6
buttons to adjust the following items:-
Service Item
GEOM: 000
HPOS
HORIZONTAL SHIFT (HS)
001
HPAR
HORIZONTAL
PARALLELOGRAM
002
HBOW
HORIZONTAL BOW
003
VLIN
VERTICAL LINEARITY
004
VSCR
VERTICAL SCROLL
005
HSIZ
EW WIDTH (EW)
006
EWPW
EW PARABOLA/WIDTH
(PW)
007
UCOP
EW UPPER CORNER
PARABOLA
008
LCOP
EW LOWER CORNER
PARABOLA
009
EWTZ
EW TRAPEZIUM
010
VSLP
VERTICAL SLOPE (VS)
011
VSIZ
VERTICAL AMPLITUDE
012
SCOR
S-CORRECTION (SC)
013
VPOS
VERTICAL SHIFT (VSH)
014
HBL
RGB BLANKING MODE
015
WBF
TIMING OF WIDE
BLANKING (WBF)
016
WBR
TIMING OF WIDE
BLANKING (WBR)
017
SBL
SERVICE BLANKING
018
COPY
COPY THE GEO DATA TO
ALL 50/60Hz NVM AREA
4. For Korea models only:
a) For GEOM items, copy adjusted 60Hz to 50Hz
b) Add 6 steps to 50Hz "HPOS" item and save data.
c) Add 3 steps to 50Hz "HSIZ" item and save data.
WIDE MODE (50Hz)
(V-Compression Adjustment)
1. Input SPCB signal(For NTSC models select Video
mode)
2. Adjust condition to WIDE MODE : ON.
3. Copy (item from NORMAL MODE (50Hz) adjusted
data for the following items:
Service Item
GEOM: 003
VLIN
VERTICAL LINEARITY
005
HSIZ
EW WIDTH (EW)
011
VSIZ
VERTICAL AMPLITUDE
012
SCOR
S-CORRECTION (SC)
YOUTPUT LEVEL ADJUSTMENT
(AR2 series only)
1. Input a color with bar with 100IRE white signal to pin
1
(CVBS) of CN2001 BC board.
2. Set to service mode and select 3D NR Bus data with
1
and
4
of the commander.
3. Press
[MUTING]
t
-
to write the data to TC90A88F.
PICTURE CONFIRMATION
(AR2 series only)
1. Input a color bar with 100IRE white signal to pin
1
(CVBS) of CN2001 BC board.
2. Confirm no dot structure can been seen and the
picture is normal on the screen.
3. Input signal RAMP to pin
1
(CVBS) of CN2001 BC
board.
4. Confirm no vertical stripes, no noise can be seen and
the picture is normal on the screen.
5. Adjust RV2001 (BC board) so that the output level of
CN2001 (BC board) pin
3
(YOUT) is within spec
1.4
±
0.05 Vpp