DOWNLOAD Sony KV-SW29M31 Service Manual ↓ Size: 17.98 MB | Pages: 85 in PDF or view online for FREE

Model
KV-SW29M31
Pages
85
Size
17.98 MB
Type
PDF
Document
Service Manual
Brand
Device
TV
File
kv-sw29m31.pdf
Date
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– 33 –
KV-SW29M31/M91/M50/M90/M60K/SW29N90
                           RM-W103        RM-W104  RM-W109         RM-W150
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 no.
3 to 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)
SUB HUE ADJUSTMENT
(KV-SW29M60K)
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 to service mode and select YC 013 "TINT" with 
1
and 
4
 of the commander.
6. Then press [MUTING] 
t 
-
 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 line.
The ideal difference between VB2 and VB3 is within 
±
80mV.
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] 
t 
-
 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
.
VR
Black
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
– 34 –
KV-SW29M31/M91/M50/M90/M60K/SW29N90
                           RM-W103        RM-W104  RM-W109         RM-W150
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
5. For Korea models only:
a) Copy adjusted 60Hz data to 50Hz
b) Add 6 steps to 50Hz "HPOS" 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 RV750 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.
– 35 –
KV-SW29M31/M91/M50/M90/M60K/SW29N90
                           RM-W103        RM-W104  RM-W109         RM-W150
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)
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
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.
(
)
(
)
– 36 –
KV-SW29M31/M91/M50/M90/M60K/SW29N90
                           RM-W103        RM-W104  RM-W109         RM-W150
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)
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)
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