Sony KV-BM142M10 Service Manual ▷ View online
– 33 –
KV-BM142M10/BM142M40/BM142M70/BM142N40/BM142N70
RM-W101
RM-W151
BM142P40/BM142P42/BM142P42/L/BM142P42/V
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 SADJ004 "SCOL"
6. Select to Service Mode and adjust SADJ004 "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 SADJ001 "SHUE" with 1
5. Set to Service and adjust SADJ001 "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
[MUTING] t
-
to write the data.
9. 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.
The ideal difference between VB2 and VB3 is within
±80mV.
For single system with NTSC 4.43 select TV channel
with NTSC 4.43 and repeat 4
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).
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
1.38
± 0.03 Vp-p = (For 14" models)
1.23
± 0.03 Vp-p = (For with VM models NTSC models)
1.46
± 0.03 Vp-p = For 21" without VM models
1.65
± 0.03 Vp-p = For GA with VM models except NTSC models
1.10
± 0.03 Vp-p = 21 without VM models for NTSC models
VB1
VB2
VB3 VB4
80mV
– 34 –
KV-BM142M10/BM142M40/BM142M70/BM142N40/BM142N70
RM-W101
RM-W151
BM142P40/BM142P42/BM142P42/L/BM142P42/V
RM-W101
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] +
-
3-5. PICTURE DISTORTION ADJUSTMENT
H. CENTER ADJUSTMENT (HPOS)
1. Input Monoscope signal/NTSC Monoscope Signal
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
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.
4. Rasie/lower data using the 3 and 6 buttons adjust
the following items:-
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.
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
– 35 –
KV-BM142M10/BM142M40/BM142M70/BM142N40/BM142N70
RM-W101
RM-W151
BM142P40/BM142P42/BM142P42/L/BM142P42/V
RM-W101
V. LINEARITY (VLIN), V. CORRECTION (SCOR), PIN
AMP (EWPW), AND HORIZONTAL TRAPEZOID
(EWTZ) ADJUSTMENTS
1. Input Monoscope signal/NTSC Monoscope Signal
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
(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 (EWTZ)
EW PARABOLA/WIDTH (EWPW)
S CORRECTION (SCOR)
V LINEARITY (VLIN)
EW UPPER CORNER PARABOLA (UCOP)
EW LOWER CORNER PARABOLA (LCOP)
HORIZONTAL PARALLELOGRAM (HPAR)
HORIZONTAL BOW (HBOW)
– 36 –
KV
-BM142M10/BM142M40/BM142M70/BM142N40/BM142N70
-BM142M10/BM142M40/BM142M70/BM142N40/BM142N70
RM-W101
RM-W151
BM142P40/BM142P42/BM142P42/L/BM142P42/V
RM-W101
SECTION 4
DIA
GRAMS
4-1.
BLOCK DIA
GRAM
VIF&SIF SAW
MAIN
Power
Supply
FSS TUNER
AGCin
12C
Video
L(Mono)
Video
L(Mono)
CV/YC
L(Mono)
CV/YC
L(Mono)
CV/YC
L(Mono)
G/Y
B/P
B
R/P
R
L
Fbl(RGBin)
24.576MHz
DVD/RGB
AV2
AV3
AV1
Mon Out
Audio Amp
TV
out
Mon
out
AV1
in
AV2
in
AV3
in
RGB/
DVD
in
5V
30V
IF
24-5.VIF1~2
115.P3.0
STBY
3.3V
AC in ~
110-220V
CISPR/
PFC
3.3V
RESET
3.3V
5V
8V
3.3/5V
Relay
8V
AUDIO VCC
HV
DGC
+/-15V
Hout
FBT
L
1/2ch
Audio Amp
ATT
VAR
NVM
Pin out
H-drive
H-out
Rot. cct
V-out
VM
RGB Amp
feedback
3W
Mono
3W
R
L,R
HP
mute
EHT, ABL
Hp
1k
EW, Hd
V+, V-
RGB
+B
On/Off
stdby
Device 12C
12C
SIRCS
Key buttons
PLL
I/O Port
VIF & SIF
POWER
Color
Decoder
YUV
Processor
Jungle
RGB
FM MONO Dem
Volume control
ONE CHIP
Micro
Text
CC & V-chip
11.Xtalout
10.Xtalin
74~76.YUVout
70-72.VUY IN
119.KEY
97.SIRCS
98, 99.SCL1,SD
A1
108, 109.SCL0,SD
A0
102.B-INT
122~123 RED-GREEN LED
77.Fbl3
78~80.R-Y/R,
Y/G,
B/Y/B IN
34.InL5
Y/G,
B/Y/B IN
34.InL5
31.AGCout
43.IFVO/IF_MON_OUT
62.SCARTHPL
62.SCARTHPL
48.SV0MON_OUT
36.OutL
36.OutL
85~87
RGBout
84.lk
65.SVM
23. V+
22. V-
112.ROT CTRL
113.ROT SW
21.EWD
67.Hout
66.AFC
32.EHTO
83.ABL
60.LSL
106.AUDIO MUTE
105.AUDIO STANDBY
58.CVB51/Y1
59.C1
59.C1
56.InL1
55.CVBS3
55.CVBS3
53.InL3
I/O Port
51.CVBS2/Y2
52.C2
49.InL2
52.C2
49.InL2
B-INT
LED
+B line
30V
L
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