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Model
KV-BM212M10
Pages
59
Size
5.67 MB
Type
PDF
Document
Service Manual
Brand
Device
TV
File
kv-bm212m10.pdf
Date

Sony KV-BM212M10 Service Manual ▷ View online

– 29 –
KV-BM212M10/BM212P42
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
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
commander then adjust VR within spec with 
3
 and 
6
.
8. Select "WIDE" Mode for TV and Video Mode, write
the "PMAX DATA-8 steps" (For models with
V-Compression features only).
9. Then press [MUTING] 
-
 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
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 (OTHER, SHP 50%).
5. Connect an oscilloscope to pin 2 (B output) of CN004.
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.
7. Then press [MUTING] 
-
 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 NTSC 3.58 Color Bar to TV set.
3. Set the 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 SADJ 001 "SHUE"
with 
1
 and 
4
 of commander then adjust to
VB1=VB2=VB3=VB4 with 
3
 and 
6
.
6. Then press [MUTING] 
-
 to write the data.
7. Select TV channel with 3.58 and repeat 3-6.
8. Select TV channel with 3.58 repeat 3-5, +1 step data
offset (applied to GA NTSC models) 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
±110mV.
9. Single systems models with NTSC 4.43 select TV
channel with NTSC 4.43 repeat item 4-6.
SUB HUE ADJUSTMENT FOR YUV INPUT
(FOR HW & AR SERIES ONLY)
1. Select YUV input.
2. Input a NTSC 3.58 Color Bar into YUV mode.
3. Connect an oscilloscope to pin 2 (B output) of CN004.
4. Set the service mode and select YC 013 "TINT" with
1
 and 
4
 of the commander then adjust to
VB1=VB2=VB3=VB3 with 
3
 and 
6
.
5.  Then press [MUTING] 
-
 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.
3-4.
DEFLECTION ADJUSTMENT
H-TRAPEZOID ADJUSTMENT
1. Receive cross hatch/dotsignal.
2. Adjust on to make H-Trapezoid distortion best.
NORMAL MODE (50Hz)
1. Set to Service Mode.
2. Input SPCB Signal.
3. Using the 
1
 and 
4
 button select GEOM (Service
Mode).
VB2 = VB3 = VB4
(Difference is within 70mV)
VB1
VB2 VB3 VB4
VR
Black
VB1
VB2
VB3 VB4
110mV
VB1
VB2
VB3 VB4
VB1 = VB2 = VB3 = VB4
– 30 –
KV-BM212M10/BM212P42
RM-W101
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
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
Mode adjusted data.
NORMAL MODE (60Hz)
1. Input 525/60Hz signal.
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
WIDE MODE (60Hz)
(V-Compression Adjustment)
1. Input mono scope signal/NTSC monoscope signal
(for NTSC model).
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
(for NTSC model).
2. Activate the Service Adjustment Mode.
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 NTSC model).
2. Activate the Service Adjustment 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/NTSC monoscope signal
(for NTSC model).
2. Activate the Service Adjustment Mode.
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 
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.
– 31 –
KV-BM212M10/BM212P42
RM-W101
V. LINEARITY (VLIN), S. CORRECTION (SCOR), EW
PARABOLA/WIDTH (PW)(EWPW), AND EW
TRAPEZIUM (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
1
 and 
4
.
4. Adjust with 
3
 and 
6
 for the best horizontal size.
5. Press [MUTING] then 
-
 to save into the memory.
H. PARALLELLOGRAM (HPAR), H. BOW (HBOW),
UPPER CORNER PARABOLA (UCOP) AND LOWER
CORNER PARABOLA (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
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)
HORIZONTAL PARALLELOGRAM (HPAR)
HORIZONTAL BOW (HBOW)
EW TRAPEZIUM (EWTZ)
EW PARABOLA/WIDTH (PW) (EWPW)
S-CORRECTION (SCOR)
VERTICAL LINEARITY (VLIN)
 32 
KV
-BM212M10/BM212P42
RM-W101
SECTION 4
DIA
GRAMS
4-1.
BLOCK DIA
GRAM
VIF SAW
3.3V
RESET
SIF SAW
MAIN
Power
Supply
RF Amp Tuner
TEQEZ X 904B
AGCin
12C
TV
L(Mono)
R
Video
L(Mono)
R
CV
L(Mono)
R
CV/YC
L(Mono)
R
G/Y
B/P
B
R/P
R
L
R
Fbl(RGBin)
24.576MHz
DVD/RGB
AV2
AV3
AV1
BUFFER
LNA CCT
OP Amp
OP Amp
S1
S2
TV 
out
Radio 
BPF
Mon
out
AV1
in
AV2
in
CV/YC
L(Mono)
R
AV3
in
RGB/
DVD
in
5V
30V
IF
24-5.VIF1~2
29~30.SIF1~2
115.P3.0
STBY
3.3V
AC in ~
110-220V
CISPR/
PFC
1.8V
5V
8V
3.3/5V
Relay
8V
AUDIO VCC
HV
DGC
+/-15V
Hout
FBT
L
2ch
Audio Amp
ATT
VAR
NVM
Pin out
H-drive
H-out
Rot. cct
V-out
VM
RGB Amp
feedback
10W
R
10W
L,R
I
HP
mute
EHT, ABL
Hp
1k
EW, Hd
L, R
V+, V-
RGB
+B
On/Off
stdby
Device 12C
12C
SIRCS
PLL
I/O Port
I/O Port
VIF & SIF
POWER
Color
Decoder
YUV
Processor
Jungle
RGB
DAC
Stereo,
DSP
A
D
C
ONE CHIP IC
Micro
Text
CC & V-chip
11.Xtalout
10.Xtalin
74~76.YUVout
70-72.RGB2 in
119.ADC2
126.INT2
98, 99. SDA1, SCL1
108, 109. SDA0, SCL0
102.P0.4
122~3.P2.4~5
77.Fbl3
78~80.RGB3
34,35.InL,R5
120.P3.3(S2)
31.AGCout
33.SNDIF
120.S2
44.Intco
43.IFVO
62,63.HPL, R
48.SV0
36,37.OutL, R1
111.P2.0(S1)
85~87
RGBout
84.lk
65.SVM
23. V+
22. V-
112.PWMO
113.P2.2
21.EWD
67.Hout
66.Fbiso
32.EHTO/OVP
83.BCKin
60,61
LSL,R
106.P0.2
105.P0.1
58.CV/Y3
59.C3
56, 57InL,R3
55.CV/70.CXY2
53,54.InL,R2
51.CV/Y4
52.C4
49,50.InL,R4
B-INT
LED
+B line
30V
R
116.ADC1,103.PO3
Key buttons
114.P2.3
Page of 59
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