DOWNLOAD Sony KV-SR25M53K Service Manual ↓ Size: 7.79 MB | Pages: 81 in PDF or view online for FREE

Model
KV-SR25M53K
Pages
81
Size
7.79 MB
Type
PDF
Document
Service Manual
Brand
Device
TV
File
kv-sr25m53k.pdf
Date

Sony KV-SR25M53K Service Manual ▷ View online

– 31 –
KV-SR25M53K
RM-W109
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
Full Surround
(Full Surround option-no for
0 = Normal Surround Model
EURO model)
1 = Full Surround Model
(Off/simulated/surround/
SRS/WOW/TruSurround)
No Surround
(No Surround Model)
0 = Surround Model, 1 = Non-Surround Model
COSMIC ASD
Automatic Standard Detection
  0 = disabled, 1 = enabled
Using COSMIC (Non-Stereo)
ASD
(Automatic Standard Detection)
0 = disabled, 1 = enabled
Tilt
(Tilt Correction/PIC Rotation)
0 = disabled, 1 = enabled
IP Plus
(Intelligent Picture Plus)
0 = disabled, 1 = enabled
IP
(Intelligent Picture)
0 = disabled, 1 = enabled
Wide
(Wide Mode/V-Compressed)
0 = disabled, 1 = enabled
No. OPB5
No. OPB6
Item
Full
No
COSMIC
ASD
Tilt
IP Plus
IP
Wide
DEC
Surround
Surround
ASD
KV-SR25M53K
0
0
1
0
1
1
1
1
47
Item
GA US
3D OSD
Feature 2
Feature 1
OSD Languange Selection
DEC
KV-SR25M53K
0
0
1
0
0
0
0
1
33
– 32 –
KV-SR25M53K
RM-W109
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 :
Adjust SCOL VALUE=X
7. Input NTSC 75% Color Bar to TV set and repeat item no.
3 to 5.
8. 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 :
Adjust SCOL VALUE=Y
9. 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)
SUB HUE ADJUSTMENT
1. Select Video.
2. Input NTSC 3.58 Color Bar to TV set.
3. Set to following condition:
PICTURE 100%,COLOR 50%, BRIGHTNESS 50%,
HUE Center, SHP 50%.
4. Connect an oscilloscope to pin 2 (B output) of CN004.
5. 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
.
6. Then press [MUTING] 
-
 to write the data.
7. Select TV channel with NTSC 3.58 and repeat item no.
3 to 6.
VB1
VB2
VB3
VB4
VB1
VB2
VB3
VB4
VB1 = VB2 = VB3 = VB4
80mV
The highest level of VB1, VB2, VB3, VB4 must be
aligned at the same time.
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
.
VR
Black
SIZE
VIDEO MODE
RF MODE
DVD MODE
NTSC
NTSC
60Hz
25
Y+5
Y+5
Y+7
29
Y+4
Y+4
Y+6
34
Y+6
Y+6
Y+8
SIZE
VIDEO MODE
RF MODE
DVD MODE
PAL
SECAM
PAL
SECAM
50Hz
25
X+2
X+2
X+2
X+2
X+6
29
X+3
X+3
X+3
X+3
X+7
34
X+4
X+6
X+6
X+6
X+8
VR
PAL
34"
2.15
±
0.03Vpp
32"
2.15
±
0.03Vpp
29"
2.15
±
0.03Vpp
28"
2.15
±
0.03Vpp
25"
2.15
±
0.03Vpp
– 33 –
KV-SR25M53K
RM-W109
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)
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.
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)
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
011
VSIZ
VERTICAL AMPLITUDE
012
SCOR
S-CORRECTION (SC)
7. Copy SADJ 000 PMAX (Video mode) to SADJ 000
PMAX (TV mode): Wide mode as below:-
Adjusted PMAX VALUE=X
8. 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 RV1800 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
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)
PARALLELOGRAM
011
VSIZ
VERTICAL AMPLITUDE
012
SCOR
S-CORRECTION (SC)
013
VPOS
VERTICAL SHIFT (VSH)
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
011
VSIZ
VERTICAL AMPLITUDE
012
SCOR
S-CORRECTION (SC)
MODEL
VIDEO MODE
TV MODE
Wide
Wide
OFF
NO
OFF
ON
SW34 series
x
x-6
x
x-6
– 34 –
KV-SR25M53K
RM-W109
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
010
VSLP
VERTICAL SLOPE(VS)
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.
(
)
(
)
V. SIZE ADJUSTMENT (VSIZ)
1. Input Monoscope signal.
2. Activate the Service Mode.
3. Select theVSIZ item with 
1
 and 
4
.
4. Adjust value of VSIZ with 
3
 and 
6
 for the best
vertical size.
5. Press [MUTING] then 
-
 to save into the memory.
V. CENTER ADJUSTMENT (VPOS)
1. Input Monoscope signal.
2. Activate the Service Mode.
3. Select VPOS item with 
1
 and 
4
.
4. Adjust value of  VPOS with 
3
 and 
6
 for the best
vertical size.
5. Press [MUTING] then 
-
 to save into the memory.
V. LINEARITY (VLIN), S CORRECTION (SCOR), EW
PARABOLA/WIDTH (EWPW), AND EW TRAPEZIUM
(EWTZ) ADJUSTMENTS
1. Input Monoscope signal.
2. Activate the Service Mode.
3. Select VLIN, SCOR, EWPW, and EWTZ with 
1
 and
4
.
4. Adjust with 
3
 and 
6
 for the best picture.
5. Press [MUTING] then 
-
 to save into the memory.
EW TRAPEZIUM (EWTZ)
EW PARABOLA/WIDTH (EWPW)
S CORRECTION (SCOR)
VERTICAL LINEARITY (VLIN)
Page of 81
Display

Click on the first or last page to see other KV-SR25M53K service manuals if exist.