Sony KV-SW34M50 (serv.man2) Service Manual ▷ View online
– 29 –
KV-SW34M50
RM-W104
3-3. PICTURE QUALITY ADJUSTMENT
SUB COLOR ADJUSTMENT
1. Select Video.
2. Input PAL 100% Color Bar.
3. Set to following condition:
2. Input PAL 100% Color Bar.
3. Set to following condition:
PICTURE 100%,COLOR 50%, BRIGHTNESS 50%,
HUE Center, SHP 50%.
HUE Center, SHP 50%.
4. Set the PICT 006 WTS to 00h.
5. Connect an oscilloscope to pin 2 (B OUTPUT) of
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
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
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:
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%.
HUE Center, SHP 50%.
4. Connect an oscilloscope to pin 2 (B output) of CN004.
5. Set the service mode and select SADJ 001 "SHUE"
5. Set the service mode and select SADJ 001 "SHUE"
with
1
and
4
of the commander then adjust to
VB1=VB2=VB3=VB4 with
3
and
6
.
6. Then press [MUTING]
t
-
to write the data.
7. Select TV channel with NTSC 3.58 and repeat item no.
3 to 6.
8. For single system models with NTSC 4.43, select TV
channel with NTSC 4.43 and repeat 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
aligned at the same time.
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.
2. Input NTSC 3.58 Color Bar Into YUV mode.
3. Connect an oscilloscope to pin 2 (B output) of CN004.
A Board.
Set the service mode and select YC 013 "TINT" with
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 time.
The ideal difference between VB2 and VB3 is within
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)
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,
A Board.
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
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
– 30 –
KV-SW34M50
RM-W104
4. Raise/lower data using the
3
and
6
buttons, select
and adjust the following item to obtain optimum image.
Service Item
Service Item
GEOM:
000
HPOS
HORIZONTAL SHIFT (HS)
001
HPAR
HORIZONTAL
PARALLELOGRAM
PARALLELOGRAM
002
HBOW
HORIZONTAL BOW
005
HSIZ
EW WIDTH (EW)
006
EWPW
EW PARABOLA/WIDTH (PW)
007
UCOP
EW UPPER CORNER
PARABOLA
PARABOLA
008
LCOP
EW LOWER CORNER
PARABOLA
PARABOLA
009
EWTZ
EW TRAPEZIUM
013
VPOS
VERTICAL SHIFT (VSH)
NORMAL MODE (60Hz)
1. Input 525/60Hz signal.
2. Using the
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
Service Item
GEOM:
000
HPOS
HORIZONTAL SHIFT (HS)
001
HPAR
HORIZONTAL
PARALLELOGRAM
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
PARABOLA
008
LCOP
EW LOWER CORNER
PARABOLA
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
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
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
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
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
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
Service Item
GEOM:
000
HPOS
HORIZONTAL SHIFT (HS)
001
HPAR
HORIZONTAL
PARALLELOGRAM
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
PARABOLA
008
LCOP
EW LOWER CORNER
PARABOLA
PARABOLA
009
EWTZ
EW TRAPEZIUM
010
VSLP
VERTICAL SLOPE (VS)
PARALLELOGRAM
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
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
3. Copy (item from NORMAL MODE (50Hz) adjusted
data for the following items:
Service Item
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
– 31 –
KV-SW34M50
RM-W104
4. Raise/lower data using
3
and
6
buttons, select and
adjust the following item to obtain optimum image.
Service Item
Service Item
GEOM:
000
HPOS
HORIZONTAL SHIFT (HS)
001
HPAR
HORIZONTAL
PARALLELOGRAM
PARALLELOGRAM
002
HBOW
HORIZONTAL BOW
005
HSIZ
EW WIDTH (EW)
006
EWPW
EW PARABOLA/
WIDTH (PW)
WIDTH (PW)
007
UCOP
EW UPPER CORNER
PARABOLA
PARABOLA
008
LCOP
EW LOWER CORNER
PARABOLA
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
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
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
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
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
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
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)
– 32 –
KV-SW34M50
RM-W104
HORIZONTOL PARALLELOGRAM (HPAR), H BOW
(HBOW), UPPER PIN (UCOP) AND LOW PIN (LCOP)
ADJUSTMENTS
(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
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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