Deflection Adjustment - Sony TRINITRON KV-AR25M90B Service Manual

KV-AR25M90B
RM-W104

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 and
1
(service mode) Raise/lower data using the
buttons to adjust the following items:-
Service Item
GEOM: 000 HPOS
001 HPAR
002 HBOW
003 VLIN
004 VSCR
005 HSIZ
006 EWPW
007 UCOP
008 LCOP
009 EWTZ
010 VSLP
011 VSIZ
012 SCOR
013 VPOS
014 HBL
015 WBF
016 WBR
017 SBL
018 COPY
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
005 HSIZ
011 VSIZ
012 SCOR
buttons select category GEO
4
3
HORIZONTAL SHIFT (HS)
HORIZONTAL
PARALLELOGRAM
HORIZONTAL BOW
VERTICAL LINEARITY
VERTICAL SCROLL
EW WIDTH (EW)
EW PARABOLA/WIDTH
(PW)
EW UPPER CORNER
PARABOLA
EW LOWER CORNER
PARABOLA
EW TRAPEZIUM
VERTICAL SLOPE (VS)
VERTICAL AMPLITUDE
S-CORRECTION (SC)
VERTICAL SHIFT (VSH)
RGB BLANKING MODE
TIMING OF WIDE
BLANKING (WBF)
TIMING OF WIDE
BLANKING (WBR)
SERVICE BLANKING
COPY THE GEO DATA TO
ALL 50/60Hz NVM AREA
VERTICAL LINEARITY
EW WIDTH (EW)
VERTICAL AMPLITUDE
S-CORRECTION (SC)
4. Raise/lower data using the
and adjust the following item to obtain optimum image.
Service Item
GEOM: 000
001
002
004
006
007
008
009
010
and
6
013
014
015
016
017
018
5. For Korea models only:
a) Copy adjusted 60Hz data to 50Hz
b) Add 6 steps to 50Hz "HPS" item and save data.
NORMAL MODE (60Hz)
1. Input 525/60Hz signal.
2. Using the
(Service Mode.)
3. Raise/ lower data using the
obtain optimum image
Service Item
GEOM: 000
001
002
003
004
005
006
007
008
009
010
011
012
013
014
015
016
017
018
– 30 –
and
3 6
HPOS HORIZONTAL SHIFT (HS)
HPAR HORIZONTAL
PARALLELOGRAM
HBOW HORIZONTAL BOW
VSCR VERTICAL SCROLL
EWPW EW PARABOLA/WIDTH (PW)
UCOP EW UPPER CORNER
PARABOLA
LCOP EW LOWER CORNER
PARABOLA
EWTZ EW TRAPEZIUM
VSLP VERTICAL SLOPE (VS)
PARALLELOGRAM
VPOS VERTICAL SHIFT (VSH)
HBL RGB BLANKING MODE
WBF TIMING OF WIDE BLANKING
(WBF)
WBR TIMING OF WIDE BLANKING
(WBR)
SBL SERVICE BLANKING
COPY COPY THE GEO DATA TO
ALL 50/60Hz NVM AREA
and buttons select category GEOM
1 4
and
3 6
HPOS HORIZONTAL SHIFT (HS)
HPAR HORIZONTAL
PARALLELOGRAM
HBOW HORIZONTAL BOW
VLIN VERTICAL LINEARITY
VSCR VERTICAL SCROLL
HSIZ EW WIDTH (EW)
EWPW EW PARABOLA/WIDTH
(PW)
UCOP EW UPPER CORNER
PARABOLA
LCOP EW LOWER CORNER
PARABOLA
EWTZ EW TRAPEZIUM
VSLP VERTICAL SLOPE (VS)
VSIZ VERTICAL AMPLITUDE
SCOR S-CORRECTION (SC)
VPOS VERTICAL SHIFT (VSH)
HBL RGB BLANKING MODE
WBF TIMING OF WIDE
BLANKING (WBF)
WBR TIMING OF WIDE
BLANKING (WBR)
SBL SERVICE BLANKING
COPY COPY THE GEO DATA TO
ALL 50/60Hz NVM AREA
buttons, select
buttons to