Sony KV-BM142M70 Service Manual ▷ View online
– 29 –
KV-BM142M70
RM-W101
Item
KV-BM142M70
No. OPB6
Feature 1
0
Feature 2
0
Latin
0
GA US
0
OSD Language Selection
GA US
(US Model Destination)
0 = US/CANADA/Latin
1 = Taiwan/Korea/Philippine
(Wake-up timer enable)
(GA Surround Spec: OFF,
SIMULATED, SRS)
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
1 = Comb available
Feature 1
(Temporary for BX1L)
0 = PiP Not Available
1 = PiP available
1 = PiP available
OSD Language Selection
US(GA NTSC)
1x1x = Complicated Chinese
1xx1 = Korean
1xx1 = Korean
(Note: For BX1L, combination
of C.Chinese & Korean not
available)
of C.Chinese & Korean not
available)
1xxx = Simplified Chinese
GA
x1xx = Arabic
xx1x = Thai
xxx1 = Vietnamese
xx1x = Thai
xxx1 = Vietnamese
DEC
04
0
0
1
0
– 30 –
KV-BM142M70
RM-W101
3-3.
PICTURE QUALITY ADJUSTMENTS
PMAX/CONTRAST ADJUSTMENT
1. Select Video Mode.
2. Input PAL CB to TV set.(others), Input NTSC 75% CB
2. Input PAL CB to TV set.(others), Input NTSC 75% CB
to TV set (NTSC model)
3. Set PICT 003 "PWL" to 00h and WHBL 017 "BLBG" to
01h.
4. Set the following condition:
PICTURE 100%, COLOR 0%, BRIGHTNESS 50%.
5. Connect an oscilloscope to pin 4 (R output) of CN004.
6. Set to Service Mode "PWL" to 00h, “BLBG” to 01h.
7. Select SADJ 000 "PMAX" with 1 and 4 of the
6. Set to Service Mode "PWL" to 00h, “BLBG” to 01h.
7. Select SADJ 000 "PMAX" with 1 and 4 of the
commander then adjust VR within spec with 3 and 6.
8. Select 'WIDE' mode for TV and Video mode write
'PMAX' data 8 steps (for models with V-Compression
features only).
features only).
9. Then press [MUTING]
t - to write the data
10. Set "PWL" and "BLBG" back to initial data repectively.
(PWL: 01h and BLBG: 00h)
SUB COLOR ADJUSTMENT
1. Select Video and set Picture mode.
2. Input PAL 100% CB to TV set.(others), Input NTSC
2. Input PAL 100% CB to TV set.(others), Input NTSC
75% CB to TV set (NTSC model)
3. Set PICT 006 "WTS" to 00h, and Intelligent Picture to
"OFF"
4. Set the following condition:
PICTURE 100%, COLOR 50%, BRIGHTNESS 50%,
HUE CENTER, SHP 50%.
HUE CENTER, SHP 50%.
5. Connect an oscilloscope to pin 2 (B output) of CN004.
6. Select to Service Mode and adjust SADJ 004
6. Select to Service Mode and adjust SADJ 004
"SCOL" with 1 and 4 of commander then adjust to
VB2 = VB3 = VB4 with 3 and 6, and write in the
data as +10 step with +5 step offset.
VB2 = VB3 = VB4 with 3 and 6, and write in the
data as +10 step with +5 step offset.
7. Then press [MUTING]
t - to write the data.
8. Set "WTS" back to original data, and set Intelligent
Picture to "ON"
SUB HUE ADJUSTMENT
1. Select Video.
2. Input a NTSC 3.58 Color Bar to TV set.
3. Set the following condition:
2. Input a NTSC 3.58 Color Bar to TV set.
3. Set the 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 to Service and adjust SADJ 001 "SHUE" with 1
5. Set to Service and adjust SADJ 001 "SHUE" with 1
and 4 of commander then adjust to VB1 = VB2 =
VB3 = VB4 with 3 and 6.
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
4-6 (except GA NTSC model)
8. Select TV channel with 3.58 repeat 4-5, +1 step data
offset (applied to GA NTSC models), then press
[MUTING] t - to write the data.
[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
±80mV.
aligned at the same time.
The ideal difference between VB2 and VB3 is within
±80mV.
9. For single system with NTSC 4.43 select TV channel
with NTSC 4.43 and repeat 4
t 6.
3-4.
DEFLECTION ADJUSTMENT
H-TRAPEZOID ADJUSTMENT
1. Receive cross hatch/dotsignal.
2. Adjust on to make H-Trapezoid distortion best.
2. Adjust on to make H-Trapezoid distortion best.
NORMAL MODE (50Hz)
1. Set to Service Mode.
2. Input SPCB Signal (Select Video Mode for USA).
3. Using the 1 and 4 button select GEOM (Service
2. Input SPCB Signal (Select Video Mode for USA).
3. Using the 1 and 4 button select GEOM (Service
Mode).
4. Rasie/lower data using the 3 and 6 buttons adjust
the following items:-
VB2 = VB3 = VB4
(for PAL sub color adjustment)
VB1=VB4
(for NTSC sub color Adjustment)
(Difference is within 70mV)
VB1
VB2 VB3 VB4
VR
Black
VB1
VB2
VB3 VB4
80mV
– 31 –
KV-BM142M70
RM-W101
WIDE MODE (50Hz)
(V-Compression Adjustment)
1. Input SPCB signal.
2. Adjust condition change to WIDE MODE : ON
3. Copy (Item from normal mode 50Hz) all Normal
1. Input SPCB signal.
2. Adjust condition change to WIDE MODE : ON
3. Copy (Item from normal mode 50Hz) all Normal
Mode adjusted data.
NORMAL MODE (60Hz)
1. Input 525/60Hz signal.
2. They can copy 50Hz first.
2. They can copy 50Hz first.
("COPY" under GEOM is set to
1
, then [MUTE] +
-
)
3. Using the
1
and
4
button, select category GEOM
(Service Mode).
4. Raise/lower data using the
3
and
6
buttons to
obtain optimum image.
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 GEOM data to all
50/60Hz NVM area
50/60Hz NVM area
WIDE MODE (60Hz)
(V-Compression Adjustment)
1. Input mono scope signal.
2. Adjust condition change to WIDE MODE : ON
3. "COPY" is set to
1. Input mono scope signal.
2. Adjust condition change to WIDE MODE : ON
3. "COPY" is set to
1
, then [MUTE] +
-
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 GEOM data to all
50/60Hz NVM area
50/60Hz NVM area
5. Write into memory by pressing [MUTING] then - on
the remote commander.
– 32 –
KV-BM142M70
RM-W101
3-5. PICTURE DISTORTION ADJUSTMENT
H. CENTER ADJUSTMENT (HPOS)
1. Input Monoscope signal/NTSC Monoscope signal (for
1. Input Monoscope signal/NTSC Monoscope signal (for
NTSC model).
2. Activate the Service Adjustment Mode.
3. Select the HPOS item with
3. Select the HPOS item with
1
and
4
.
4. Adjust the value of HPOS with
3
and
6
for the best
vertical center.
5. Press [MUTING] then
-
to save into the memory.
H. SIZE ADJUSTMENT (HSIZ)
1. Input Monoscope signal/NTSC Monoscope signal (for
1. Input Monoscope signal/NTSC Monoscope signal (for
NTSC model).
2. Activate the Service Adjustment Mode.
3. Select HSIZ with
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/NTSC Monoscope signal (for
NTSC model).
2. Activate the Service Adjustment Mode.
3. Select the VSIZ item with
3. Select the VSIZ item with
1
and
4
.
4. Adjust value of VPOS with
3
and
6
for the best
vertical center.
5. Press [MUTING] then
-
to save into the memory.
V. CENTER ADJUSTMENT (VPOS)
1. Input Monoscope signal/NTSC Monoscope signal (for
NTSC model).
2. Activate the Service Adjustment Mode.
3. Select the VPOS item with
3. Select the VPOS item with
1
and
4
.
4. Adjust value of VPOS with
3
and
6
for the best
vertical center.
5. Press [MUTING] then
-
to save into the memory.
V. LINEARITY (VLIN), V. CORRECTION (SCOR), PIN
AMP (EWPW), AND HORIZONTAL TRAPEZOID
(EWTZ) ADJUSTMENTS
1. Input Monoscope signal/NTSC Monoscope signal (for
AMP (EWPW), AND HORIZONTAL TRAPEZOID
(EWTZ) ADJUSTMENTS
1. Input Monoscope signal/NTSC Monoscope signal (for
NTSC model).
2. Activate the Service Adjustment Mode.
3. Select VLIN, SCOR, EWPW, and EWTZ with
3. Select VLIN, SCOR, EWPW, and EWTZ 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. ANGLE (HPAR), H. BOW (HBOW), UPPER PIN
(UCOP) AND LOW PIN (LCOP) ADJUSTMENTS
1. Input Monoscope signal/NTSC Monoscope signal (for
(UCOP) AND LOW PIN (LCOP) ADJUSTMENTS
1. Input Monoscope signal/NTSC Monoscope signal (for
NTSC model).
2. Activate the Service Adjustment Mode.
3. Select HPAR, HBOW, UCOP, and LCOP with
3. Select 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 TRAPEZIUM
EW PARABOLA/WIDTH
S CORRECTION
VERTICAL LINEARITY
EW UPPER CORNER PARABOLA
EW LOWER CORNER PARABOLA
HORIZONTAL PARALLELOGRAM
HORIZONTAL BOW
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