DOWNLOAD Sony KV-XR25M50 (serv.man3) Service Manual ↓ Size: 7.95 MB | Pages: 93 in PDF or view online for FREE

Model
KV-XR25M50 (serv.man3)
Pages
93
Size
7.95 MB
Type
PDF
Document
Service Manual
Brand
Device
TV
File
kv-xr25m50-sm3.pdf
Date
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– 29 –
KV-XR25M50/XR25M80
RM-W104
7) 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)
8. 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
004
VSCR
VERTICAL SCROLL
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
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
9. 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 GEO
(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)
NORMAL MODE (50Hz)
1. Set to Service Mode.
2. Input SPCB Signal (For NTSC models select Video
mode).
3. Using the 
1
 and 
4
 button select category GEO
(service mode) Raise/lower data using the 
3
 and 
6
buttons 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)
5) Input SPCB signal(For NTSC models select Video
mode)
6) Adjust condition to WIDE MODE : ON.
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.
– 30 –
KV-XR25M50/XR25M80
RM-W104
GEOM: 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
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
005
HSIZ
EV WIDTH (EW)
011
VSIZ
VERTICAL AMPLITUDE
012
SCOR
S-CORRECTION (SC)
10. 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
004
VSCR
VERTICAL SCROLL
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)
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
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.
(
)
(
)
– 31 –
KV-XR25M50/XR25M80
RM-W104
V.LINEARITY (VLIN), S CORRECTION (SCOR), EW
PARABOLA/WIDTH (EWPW), AND EW TRAPEZIUM
(EWTZ) ADJUSTMENTS
1. Input Monoscope signal.
2. Activate the Service Adjustment 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)
V LINEARITY (VLIN)
HORIZONTOL PARALLELOGRAM (HPAR), H BOW
(HBOW), UPPER PIN (UCOP) AND LOW PIN (LCOP)
ADJUSTMENTS
1. Input Monoscope signal.
2. Activate the Service Adjustment 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.
UPPER PIN (UCOP)
LOW PIN (LCOP)
HORIZONTOLPARALLELOGRAM (HPAR)
HORIZONTOL BOW (HBOW)
–
 32 
–
KV
-XR25M50/XR25M80
RM-W104
SECTION 4
DIA
GRAMS
4-1.
 BLOCK DIA
GRAM
VIF
SAW
SIF
 SAW
MAIN
Power
Supply
Stdby
Power
FSS TUNER
G/Y
B/PB
98 AGC OUT
81 MON-OUT
93 OUTL
49 B-Y/B IN
50 Y/G IN
51 R-Y/R IN
78 CVBS2/Y2
77.C2
71, CVBS1/Y1
SCARTHPL 67
RGB OUT 42.44
Vm 64
VD+ 107
VD- 106
EWD108
70.C1
119 X TALIN
32 SIRCS
10 KEY
6 Greed Led
7 Red Led
21 SCL0
22 SD
A0
118 X TALOUT
R/PR
L
R
24.576MHz
DVD in
Rear AV in
 Front AV in
Mon out
Mon
out
AGC   IN
AV
2
in
AV
1
in
RGB/
DVD
in
AC in ~
CISPR/
PFC
Relay
LOW B
Stdy 3.3
5V
30V
AUDIO VCC
Hout
FBT
L
2ch
3ch
For India only
Audio Amp
ATT
NVM
Pin out
H-drive
H-out
V-out
DF/DQP
VM
RGB Amp
Rot Amp
LCC Amp
feedback
5W 
R
5W
6+6
+12
3D Woofer
L,R
H
P
EW, Hd
L,R
V+, V-
PWM
RGB
SIRCS
Key buttons
PLL
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
LED
+B
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