Sony KV-BT21M80 (serv.man3) Service Manual ▷ View online
– 25 –
KV-BT21M80
RM-W101
Item
KV-BT21M80
No. OPB6
0
0
1
0
Feature 1
0
Feature 2
0
Latin
0
GA US
1
OSD Language Selection
GA US
(US Model Destination)
0 = US/CANADA/Latin
1 = Taiwan/Korea/Philippine
1 = Taiwan/Korea/Philippine
(Wake-up timer enable)
(GA Surround Spec: OFF,
SIMULATED, SRS)
(GA Surround Spec: OFF,
SIMULATED, SRS)
Latin
(US Model Latin Destination)
0 = US/CANADA (No Volume Figure Display)
1 = Latin (Volume Figure Display)
1 = Latin (Volume Figure Display)
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
01xx = French
(English always available except JP)
US
0x1x = Spanish
0xx1 = Portuguese
0xx1 = Portuguese
US
1x1x = Complicated Chinese
(GA NTSC)
1xx1 = Korean
1xxx = Simplified Chinese
GA
x1xx = Arabic
xx1x = Thai
xxx1 = Vietnamese
xx1x = Thai
xxx1 = Vietnamese
0000 = Destination ADE
EU
0001 = Destination BL
0010 = Destination KR
0011 = Destination U
0010 = Destination KR
0011 = Destination U
DEC
132
– 26 –
KV-BT21M80
RM-W101
VB2 = VB3 = VB4
(Difference is within 70mV)
VB1
VB2 VB3 VB4
VB1
VB2
VB3 VB4
3-3.
PICTURE QUALITY ADJUSTMENTS
PMX/CONTRAST ADJUSTMENT
1. Select Video Mode.
2. Input PAL CB to TV set.
3. Set PICT 03 "PWL" to 00h and WHBL 21 "BLBG" to 01h.
4. Set the following condition:
2. Input PAL CB to TV set.
3. Set PICT 03 "PWL" to 00h and WHBL 21 "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 SADJ00 "PMX" with 1 and 4 of the
6. Set to Service Mode "PWL" to 00h, “BLBG” to 01h.
7. Select SADJ00 "PMX" with 1 and 4 of the
commander then adjust VR within spec with 3 and 6.
8. Then press [MUTING]
t - to write the data
9. Set "PWL" and "BLBG" back to initial data repectively.
(PWL: 01h and BLGG: 00h)
SUB COLOR ADJUSTMENT
1. Select Video and set Picture mode.
2. Input PAL 100% CB to TV set.
3. Set PICT 06 "WTS" to 00h.
4. Set the following condition:
2. Input PAL 100% CB to TV set.
3. Set PICT 06 "WTS" to 00h.
4. Set the following condition:
PICTURE 100%, COLOR 50%, BRIGHTNESS 50%.
5. Connect an oscilloscope to pin 2 (B output) of CN004.
6. Select to Service Mode and adjust SADJ04 "SCOL"
6. Select to Service Mode and adjust SADJ04 "SCOL"
with 1 and 4 of commander then adjust to
VB2 = VB3 = VB4 with 3 and 6.
VB2 = VB3 = VB4 with 3 and 6.
7. Then press [MUTING]
t - to write the data.
8. Set "WTS" back to original data.
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%
4. Connect an oscilloscope to pin 2 (B output) of CN004.
5. Set to Service and adjust SADJ01 "SHUE" with 1
5. Set to Service and adjust SADJ01 "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.
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.
aligned at the same time.
The ideal difference between VB2 and VB3 is within
±110mV.
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 GEO (Service
2. Input SPCB Signal (Select Video Mode for USA).
3. Using the 1 and 4 button select GEO (Service
Mode).
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 GEO data to all
50/60Hz NVM area
50/60Hz NVM area
5. Write into memory by pressing [MUTING] then - on
the remote commander.
VR
Black
1.23
± 0.03 Vp-p = for NTSC VM Models
1.46
± 0.03 Vp-p = for 21" without VM Models
1.65
± 0.03 Vp-p = with VM Models except NTSC models
1.10
± 0.03 Vp-p = for 21" NTSC non VM Models
1.38
± 0.03 Vp-p = for 14" Models
– 27 –
KV-BT21M80
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 GEO
(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 GEO 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] +
-
3-5.
DRIVE ADJUSTMENT
1. Input signal
70% Color Bar (USA)
100% Color Bar (Other)
100% Color Bar (Other)
2. Make sure only red is active.
3. Set following condition :-
3. Set following condition :-
PICTURE 100%, COLOR 0%, Other 50%
4. Select SADJ00 "PMAX" with
1
and
4
then adjust
until voltage in R out X gain
[recorded]
= SPEC
5. Then press [MUTING]
t
-
to write data.
X
±2VDC (R Cathode on C or CV board)
6. Set VIDP 36 BLBG back to 00.
Model
14”
21”
GA
83.0
88.0 - Non VM Models
99.0 - VM Models
– 28 –
KV-BT21M80
RM-W101
3-6.
PICTURE DISTORTION ADJUSTMENT
H. CENTER ADJUSTMENT (HPOS)
1. Input Monoscope signal.
2. Activate the Service Adjustment Mode.
3. Select the HPOS item with
1. Input Monoscope signal.
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.
2. Activate the Service Adjustment Mode.
3. Select HSIZ with
1. Input Monoscope signal.
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.
2. Activate the Service Adjustment Mode.
3. Select the VSIZ item with
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.
2. Activate the Service Adjustment Mode.
3. Select the VPOS item with
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.
V. LINEARITY (VLIN), V. CORRECTION (SCOR), PIN
AMP (EWPW), AND HORIZONTAL TRAPEZOID
(EWTZ) ADJUSTMENTS
1. Input Monoscope signal.
2. Activate the Service Adjustment Mode.
3. Select VLIN, SCOR, EWPW, and EWTZ with
AMP (EWPW), AND HORIZONTAL TRAPEZOID
(EWTZ) ADJUSTMENTS
1. Input Monoscope signal.
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.
V. ANGLE (HPAR), H. BOW (HBOW), UPPER PIN
(UCOP) AND LOW PIN (LCOP) ADJUSTMENTS
1. Input Monoscope signal.
2. Activate the Service Adjustment Mode.
3. Select HPAR, HBOW, UCOP, and LCOP with
(UCOP) AND LOW PIN (LCOP) ADJUSTMENTS
1. Input Monoscope signal.
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.
HORIZONTAL TRAPEZOID (EWTZ)
PIN AMP (EWPW)
V CORRECTION (SCOR)
V LINEARITY (VLIN)
UPPER PIN (UCOP)
LOW PIN (LCOP)
V ANGLE (HPAR)
V BOW (HBOW)
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