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
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– 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)
– 35 –
KV-SR25M53K
RM-W109
HORIZONTOL PARALLELOGRAM (HPAR), H BOW
(HBOW), UPPER PIN (UCOP) AND LOW PIN (LCOP)
ADJUSTMENTS
1. Input Monoscope signal.
2. Activate the Service Mode.
3. Select the HPAR, HBOW, UCOP, and LCOP with 
1
and 
4
.
4. Adjust with 
3
 and 
6
 for the best picture.
5. Press [MUTING] then 
-
 to save into the memory.
EW UPPER CORNER PARABOLA (UCOP)
EW LOWER CORNER PARABOLA (LCOP)
HORIZONTOLPARALLELOGRAM (HPAR)
HORIZONTOL BOW (HBOW)
– 36 –
KV
-SR25M53K
RM-W109
SECTION 4
DIA
GRAMS
4-1.
 BLOCK DIA
GRAM
VIF
SAW
SIF
 SAW
MAIN
Power
Supply
Stdby
Power
FSS TUNER
AV
Switch
3D
COMB/NR
SUB
FSS
TUVIF
G/Y
B/PB
R/PR
L
R
24.576MHz
DVD in
Rear AV in
 Front AV in
 Mic, Echo V
o
l
L,R in
Mon out
Main CV
Mon
out
AV
1,2
in
AV
1
in
RGB/
DVD
in
AC in ~
110-220V
RGB out 42-44
VM 64
VD + 107
VD — 104
EWD 108
40 C1
71 CVBS / Y1
L, R
CISPR/
PFC
Relay
LOW B
Stdy 3-3
AUDIO VCC
FBT
2ch
3ch
Optional
Audio Amp
ATT
NVM
Pin out
H-drive
H-out
V-out
DF/DQP
VM
RGB Amp
Rot Amp
LCC Amp
feedback
R
L
12W
3D Woofer
6W
Tweeter
6W
Tweeter
R
L
L,R
H
P
EW, Hd
V+, V-
PWM
RGB
SIRCS
E-Volume
Key 
buttons
PLL
L,R +Mic in
Mic in
L,R in
YC out
SUB
Picture
CV/Y
UV in
PIP
I/O Port
I/O Port
VIF & SIF
POWER
Color
Decoder
YUV
Processor
Jungle
RGB
A
D
C
D
A
C
Stereo,
DSP
Micro
Text
CC & V-chip
L
E
D
+B
Koraoke
IC
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