DOWNLOAD Sony KV-AR253M50 Service Manual ↓ Size: 5.14 MB | Pages: 67 in PDF or view online for FREE

Model
KV-AR253M50
Pages
67
Size
5.14 MB
Type
PDF
Document
Service Manual
Brand
Device
TV
File
kv-ar253m50.pdf
Date

Sony KV-AR253M50 Service Manual ▷ View online

– 29 –
KV-AR253M50
RM-W104
No. OPB6
GA US
(US Model Destination)
0 = US/CANADA/Latin
1 = Taiwan/Korea/Philippine
      (Wake-up timer enable)
      (GA Surround Spec:OFF,
      SIMULATED, SRS)
3D OSD
(BX1L Full version GA Multi
0 = Normal with 3D Intelligent picture OSD
Destination ONLY)
1 = Disable 3D Intelligent picture OSD
Feature 2
(Temporary for BX1L)
0 = Comb Not available
1 = Comb available
Feature 1
(Temporary for BX1L)
0 = PiP Not Available
1 = PiP available
OSD Language Selection
US (GA NTSC)
1x1x = Complicated Chinese
1xx1 = Korean (note: for BX1L, combination
            of C.Chinese & Korean not available)
GA
1xxx = Simplified Chinese
x1xx = Arabic
xx1x = Thai
xxx1 = Vietnamese
Item
GA US
3D OSD
Feature 2
Feature 1
OSD Language Selection
DIC
KV-AR253M50
0
0
0
0
0
0
0
1
1
– 30 –
KV-AR253M50
RM-W104
3-3. PICTURE QUALITY ADJUSTMENT
SUB COLOR ADJUSTMENT
1. Select Video.
2. Input PAL 100% Color Bar.
3. Set to following condition:
PICTURE 100%,COLOR 50%, BRIGHTNESS 50%, HUE
Center, SHP 50%.
4. Set the PICT 006 WTS to 00h.
5. Connect an oscilloscope to pin 2 (B OUTPUT) of CN004
A Board.
6. Set the service mode and select  SADJ 004 "SCOL" with
1
 and 
4
 of the commander then adjust to
VB2=VB3=VB4 with 
3
 and 
6
 (For PAL), write the data
as below :
Add 2 steps to SCOL (PAL) - 25" and 29".
Add 6 steps to SCOL (PAL) - 34".
7. Copy "SCOL 50 PAL(Video)"data to "SCOL 50
SECAM(Video)"
8. Copy "SCOL 50 PAL(Video)" and "SCOL 50 SECAM
(Video)" data to "SCOL 50 PAL(TV)" and "SCOL 50
SECAM(TV)" table.
9. Input NTSC 75% Color Bar to TV set and repeat item
3-5.
10. Set the service mode and select SADJ 004 "SCOL" with
1
 and 
4
 of the commander then adjust to
VB1 = VB4. Write the data as below :
Add 5 steps to SCOL (NTSC) - 25"
Add 3 steps to SCOL (NTSC) - 29".
Add 6 steps to SCOL (NTSC) - 34".
11. Copy "SCOL 60 NTSC(Video)"data to "SCOL 60
NTSC(TV)"
12. Copy "SCOL 50 PAL"data to "SCOL 50 YUV" table and
"SCOL 60 NTSC" data to "SCOL 60 YUV".
13. Set WTS back to original data.
VB2 = VB3 = VB4(For PAL sub color adjustment)
VB1 = VB4(For NTSC sub color adjustment)
(Difference is within 70mV)
VB1
VB2
VB3
VB4
Sub Hue Adjustment For YUV input
1. Select YUV input.
2. Input NTSC 3.58 Color Bar into YUV mode.
3. Connect an oscilloscope to pin 2 (B output) of CN004.
Set the service mode and select YC 013 "TINT" with 
1
and 
4
 of the commander then adjust to
VB1=VB2=VB3=VB4 with 
3
 and 
6
.
5. Then press [MUTING] 
-
 to write the data.
The highest level of VB1, VB2, VB3, VB4 must be aligned at
the same line.
The ideal difference between VB2 and VB3 is within ± 80mV.
PMAX/CONTRAST ADJUSTMENT
Picture Mode: Personal
1. Select Video mode.
2. i)Input PAL Color Bar toTV set. (Other)
ii)Input NTSC 75% Color Bar (NTSC model).
3. Set the following condition:
PICTURE 100%, COLOR 0%,BRIGHTNESS 50%
4. Connect oscilloscope to pin 4 (R Output) of CN004.
5. Set to Service Mode "PWL" PICT 003 to 00h and WHBL
017 "BLBG" to 01h.
6. Select SADJ 000 "PMAX" with 
1
 and 
4
 of the
commander then adjust VR within spec with 
3
 and 
6
.
VB1
VB2
VB3
VB4
VB1 = VB2 = VB3 = VB4
80mV
VR
NTSC
1.85±0.03Vpp
1.57±0.03Vpp
1.85±0.03Vpp
34"
29"
25"
PAL
2.15±
0.03Vpp
2.15±
0.03Vpp
2.15±
0.03Vpp
VR
Black
– 31 –
KV-AR253M50
RM-W104
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
010
VSLP
VERTICAL SLOPE (VS)
011
VSIZ
VERTICAL AMPLITUDE
012
SCOR
S-CORRECTION (SC)
4. Raise/lower data using the 
3
 and 
6
 buttons, select and
adjust the following item to obtain optimum image.
Service Item
GEOM:
000
HPOS
HORIZONTAL SHIFT (HS)
001
HPAR
HORIZONTAL
PARALLELOGRAM
002
HBOW
HORIZONTAL BOW
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
013
VPOS
VERTICAL SHIFT (VSH)
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 
1
 and 
4
 buttons select category GEOM
(Service Mode.)
3. Raise/ lower data using the 
3
 and 
6
 buttons to obtain
optimum image
7. Copy PMAX data to TV models.
8. Select "WIDE" mode for TV & Video mode. Write the
PMAX Data – 6 steps" (for model with V-Compression
features only).
9. Set the PWL & BLBG back to (PWL: 01h and
BLBG: 00h)
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 GEOM
(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
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)
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.
– 32 –
KV-AR253M50
RM-W104
(
)
GEOM: 000
HPOS HORIZONTAL SHIFT (HS)
001
HPAR
HORIZONTAL
PARALLELOGRAM
002
HBOW
HORIZONTAL BOW
003
VLIN
VERTICAL LINEARITY
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)
WIDE MODE (60Hz)
(V-Compression Adjustment)
1. Input Monoscope signal
2. Adjust condition to WIDE MODE : ON.
3. Copy (item from NORMAL MODE 60Hz) adjusted data for
the following items:
Service Item
GEOM: 003
VLIN
VERTICAL LINEARITY
010
VSLP
VERTICAL SLOPE (VS)
011
VSIZ
VERTICAL AMPLITUDE
012
SCOR
S-CORRECTION (SC)
4. Raise/lower data using 
3
 and 
6
 buttons, select and
adjust the following item to obtain optimum image.
   Service Item
GEOM: 000
HPOS HORIZONTAL SHIFT (HS)
001
HPAR
HORIZONTAL
PARALLELOGRAM
002
HBOW
HORIZONTAL BOW
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 TRAPAZIUM
013
VPOS
VERTICAL SHIFT (VSH)
3-5. PICTURE DISTORTION ADJUSTMENT
H. CENTER ADJUSTMENT (HPOS)
1. Input Monoscope signal.
2. Activate the Service Mode.
3. Select the HPOS item with 
1
 and 
4
.
4. Adjust the value of HPOS with 
3
 and 
6
 for the best
horizontal center.
5. Press [MUTING] then 
-
 to save into the memory.
H. SIZE ADJUSTMENT (HSIZ)
1. Input Monoscope signal.
2. Activate the Service Mode.
3. Select HSIZ with 
1
 and 
4
.
4. Adjust with 
3
 and 
6
 for the best horizontal size.
5. Press [MUTING] then 
-
 to save into the memory.
Service Item
GEOM 1
HSZ ( H SIZE)
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