Sony KV-HG21M50 (serv.man4) Service Manual ▷ View online
KV-HG21M50,M80,M80/H,M91/L,P50
RM-GA002
– 32 –
No. OPB3
HDEV
(High Deviation Mode)
0 = disabled, 1 = enabled
NICAM ST
(NICAM Stereo)
0 = disabled, 1 = enabled
NICAM BI
(NICAM Bilingual)
0 = disabled, 1 = enabled
A2 ST/BI
(A2 [West German]
Stereo/Bilingual)
Stereo/Bilingual)
0 = disabled, 1 = enabled
Thai Bilingual
(A2 [Thai] Bilingual)
or Force SAP if US ST is active
or Force SAP if US ST is active
0 = disabled, 1 = enabled
US ST
(US Stereo)
0 = disabled, 1 = enabled
Korean ST
(Korean Stereo)
0 = disabled, 1 = enabled
MONO
(Monaural Model)
0 = Stereo (SSD) Model, 1 = Monaural Model
SMAT
Surround Matrix
0 = Active, 1 = Passive
1 spk Models
1 Speaker Models
0 = 2 or 3 Speaker Models, 1 = 1 speaker Models
VM
(Velocity Modulation)
0 = disabled, 1 = enabled
Equalizer
(5-band Equalizer Model)
0 = Bass/Treble Model, 1 = Equalizer Model
Surround
(Surround Selection)
00 = Off/Simulated/Surround
01 = Off/Simulated/SRS (3D) Surround
10 = Off/Simulated/WOW/TruSurround
11 = Off/Simulated/WOW/TruSurround/Virtual
Bolby (not working now)
01 = Off/Simulated/SRS (3D) Surround
10 = Off/Simulated/WOW/TruSurround
11 = Off/Simulated/WOW/TruSurround/Virtual
Bolby (not working now)
TOP
(Forced TOP)
0 = Auto Mode (TOP/FLOF), 1 = Forced TOP
TEXT
(Teletext Model)
0 = Non-Teletext Model, 1 = Teletext Model
No. OPB4
Item
Reserved
NICAM
NICAM
A2 ST
Thai
US ST
Korean
MONO
DEC
ST
BI
Bilingual
ST
KV-HG21M50 (East Africa)
0
0
0
0
0
0
0
0
0
KV-HG21M50 (Malaysia)
0
0
0
0
0
0
0
0
0
KV-HG21M80
0
0
0
0
0
0
0
0
0
KV-HG21M80/H
0
0
0
0
0
0
0
0
0
KV-HG21M91/L
0
1
1
1
0
0
0
0
112
KV-HG21P50
0
0
0
0
1
0
0
0
8
Item
Sound
1spk
VM
Surround
Top
Text
DEC
Special Models
KV-HG21M50 (East Africa)
0
0
0
1
0
0
0
0
16
KV-HG21M50 (Malaysia)
0
0
0
1
0
0
0
0
16
KV-HG21M80
0
0
0
1
0
0
0
0
16
KV-HG21M80/H
0
0
0
1
0
0
0
0
16
KV-HG21M91/L
0
0
0
1
0
0
0
0
16
KV-HG21P50
0
0
0
1
0
0
0
0
16
KV-HG21M50,M80,M80/H,M91/L,P50
RM-GA002
– 33 –
No. OPB6
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 (note: for BX1L, combination
of C.Chinese & Korean not available)
1xx1 = Korean (note: for BX1L, combination
of C.Chinese & Korean not available)
GA
1xxx = Simplified Chinese
x1xx = Arabic/Russian
xx1x = Thai
xxx1 = Vietnamese
x1xx = Arabic/Russian
xx1x = Thai
xxx1 = Vietnamese
Item
AVST
3D OSD
3D Comb
PiP
OSD Language Selection
DEC
Mono
KV-HG21M50 (East Africa)
0
0
0
0
0
0
1
0
2
KV-HG21M50 (Malaysia)
0
0
0
0
0
1
0
0
4
KV-HG21M80
0
0
0
1
0
1
0
0
4
KV-HG21M80/H
0
0
0
0
0
1
0
0
4
KV-HG21M91/L
0
0
0
1
0
0
1
0
2
KV-HG21P50
0
0
0
1
0
0
1
0
2
No. OPB5
Full Surround
(Full Surround option-no for
0 = Normal Surround Model
EURO model)
1 = Full Surround Model
(Off/simulated/surround/
SRS/WOW/TruSurround)
SRS/WOW/TruSurround)
No Surround
(No Surround Model)
0 = Surround Model, 1 = Non-Surround Model
Cosmic ASD
Automatic Standard Detection
0 = disabled, 1 = enabled
Using COSMIC
ASD
(Automatic Standard Detection)
0 = disabled, 1 = enabled
Tilt
(Tilt Correction/PIC Rotation)
0 = disabled, 1 = enabled
IP Plus
(Intelligent Picture Plus)
0 = disabled, 1 = enabled
IP
(Intelligent Picture)
0 = disabled, 1 = enabled
Wide
(Wide Mode/V-Compressed)
0 = disabled, 1 = enabled
Item
Signal
MSYS
COSMIC_
ASD
Tilt
Band
IP
Wide
DEC
Booster
ASD
ASD
Edge
KV-HG21M50 (East Africa)
1
0
0
1
0
0
1
1
155
KV-HG21M50 (Malaysia)
1
0
1
0
0
0
1
1
163
KV-HG21M80
1
0
0
0
1
0
1
1
131
KV-HG21M80/H
1
0
0
0
0
0
1
1
131
KV-HG21M91/L
1
0
0
1
1
0
1
1
155
KV-HG21P50
1
0
0
0
0
0
1
1
131
KV-HG21M50,M80,M80/H,M91/L,P50
RM-GA002
– 34 –
4-3.
PICTURE QUALITY ADJUSTMENT
4-3-1. P MAX/CONTRAST ADJUSTMENT
1. Set TV to Video mode.
2. Set Picture mode to "CUSTOM".
3. Input PAL 100% CB to TV set (OTHERS), NTSC 75%
2. Set Picture mode to "CUSTOM".
3. Input PAL 100% CB to TV set (OTHERS), NTSC 75%
CB (NTSC model).
4. Set PICT 003 "PWL" to 00h DICT 02 "SOC" to 03h,
WHBL 017 "BLBG" to 01h, WHBL 018 "OFB" to 01h,
WHBL 02 "RDRV" to 50 dec.
WHBL 02 "RDRV" to 50 dec.
5. Set the following condition:
PICTURE 100%, COLOR 0%, BRIGHTNESS 50%
6. Connect an oscilloscope to KR (Cathode Red) of C/CV
board.
7. Select SADJ 000 "PMAX" with 1 and 4 button of the
commander then adjust KR (Cathode Red) with spec
with 3 and 6 until reach the spec below:
with 3 and 6 until reach the spec below:
KR = 130
±
2Vpp (GA with non Vm models)
KR = 132
±
2Vpp (GA with Vm models)
KR = 103
±
2Vpp (GA NTSC with non Vm models)
KR = 105
±
2Vpp (GA NTSC with Vm models)
8. Select Wide Mode to "ON" in TV and Video mode and
write "PMAX" data - 8 steps
(for models with V-Compression features only).
(for models with V-Compression features only).
9. Then press [MUTING]
t - to write the data.
10. Set PWL, SOC, BLBG, OFB & RDRV back to original
(PWL:01h, SOC:00h, BLBG:00h,OFB:00h, RDRV:31
dec)
dec)
11. Then press [MUTING]
t - again to write the data.
4-3-2. SUB COLOR ADJUSTMENT
1. Set TV to Video mode.
2. Set Picture mode to "Custom".
3. Input PAL 100% Color Bar(CB) to TV set (OTHER
2. Set Picture mode to "Custom".
3. Input PAL 100% Color Bar(CB) to TV set (OTHER
MODEL).
4. INPUT NTSC 75% CB to TV set (NTSC MODEL).
5. Set PICT 006 "WTS" to 00h and Intelligent Picture to
5. Set PICT 006 "WTS" to 00h and Intelligent Picture to
"OFF".
6. Set the following condition:
PICTURE 100%, COLOR 50%, BRIGHTNESS 50%,
HUE 50%, SHARPNESS 50%
HUE 50%, SHARPNESS 50%
7. Connect an oscilloscope to pin 2 (B Output) of CN004.
8. Select SADJ 004 "SCOL" with 1 and 4 button of the
8. Select SADJ 004 "SCOL" with 1 and 4 button of the
commander then adjust with 3 and 6 so that
V
V
B2
=V
B3
=V
B4
(for PAL), and V
B1
=V
B4
(for NTSC) then
write in the data +9 step offset, (for comb model) and
+13 step offset (for no comb model).
+13 step offset (for no comb model).
VB2 = VB3 = VB4 (for PAL)
VB1 = VB4 (for NTSC)
(Difference is within 70mV)
VB1
VB2 VB3 VB4
VB1 VB2 VB3 VB4
9. Copy "SCOL 50 PAL (Video)" data to "SCOL 50 SECAM
(Video)" data to "SCOL 50 PAL (TV)" and "SCOL 50
SECAM (TV)".
SECAM (TV)".
10. Copy "SCOL 60 NTSC (Video)" data to "SCOL 60 NTSC
(TV)" and +1 step offset (for GA NTSC only).
11. Copy "SADJ SCOL 50 PAL" data to "SCOL 50 YUV"
table and "SCOL 60 NTSC" data to "SCOL 60 YUV"
table.
table.
12. Then press [MUTING]
t - to write the data.
13. Set "WTS" back to original data and Intelligent Picture to
"ON".
4-3-3. SUB HUE ADJUSTMENT
1. Set TV to Video mode.
2. Set Picture mode to "CUSTOM".
3. Input NTSC 3.58 CB to TV set.
4. Set the following condition:
2. Set Picture mode to "CUSTOM".
3. Input NTSC 3.58 CB to TV set.
4. Set the following condition:
PICTURE 100%, COLOR 50%, BRIGHTNESS 50%,
HUE 50%, SHARPNESS 50%
HUE 50%, SHARPNESS 50%
5. Select service mode and - 9 steps (for video) and -10
steps (for TV) offset from SADJ 004 "SCOL" using 1
and 3 button of the remote commander.
and 3 button of the remote commander.
6. Connect oscilloscope to pin 2 (B output) of CN004.
7. Set to service mode and select SADJ 001 "SHUE" with
7. Set to service mode and select SADJ 001 "SHUE" with
1 and 4 button then adjust to V
B1
=V
B2
=V
B3
=V
B4
with
3 and 6 button.
8. Press [MUTING]
t - to write the data.
9. Select service mode SADJ 004 "SCOL" and +9 step
offset and write the data using [MUTING]
t -.
10. Select TV channel with 3.58 and repeat item (3) to (7)
and +1 step data offset.(NTSC model)
11. Press [MUTING]
t - to write the data.
12. For single system model with NTSC 4.43, select TV
channel with NTSC 4.43 and repeat item (3) to (8).
The highest level of V
B1
, V
B2
, V
B3
, V
B4
must be aligned at the same time.
The ideal difference between
V
B2
and V
B3
is within
± 80mV
13. Once adjustment is completed in Video mode, carry out
adjustment in DVD mode. Set TV to DVD mode. Input
NTSC 3.58 CB to DVD set and perform step 4 to 9 and
11.
NTSC 3.58 CB to DVD set and perform step 4 to 9 and
11.
4-3-4. SUB HUE ADJUSTMENT FOR YUV INPUT
1. Select YUV input.
2. Input NTSC 3.58 color bar into YUV mode.
3. Connect oscilloscope to pin 2 (B output) of CN004.
4. Set to YC 013 "TINT" with 1 and 4 button then adjust
2. Input NTSC 3.58 color bar into YUV mode.
3. Connect oscilloscope to pin 2 (B output) of CN004.
4. Set to YC 013 "TINT" with 1 and 4 button then adjust
to V
B
=V
B2
=V
B3
=V
B4
with 3 and 6 button to write the
data.
VB1
VB2
VB3 VB4
80mV
KR
Black level
KV-HG21M50,M80,M80/H,M91/L,P50
RM-GA002
– 35 –
Item No.
Function
Illustration
GEOM 013
Vertical Shift
(VPOS)
GEOM 011
Vertical Amplitude
(VSIZ)
Note: Adjust VSIZ to
12.4
±(SPCB)
11.3
±(PAL Monoscope)
11.5
±(NTSC Monoscope)
GEOM 000
Horizontal Shift
(HPOS)
GEOM 009
EW Trapezoid
(EWTZ)
GEOM 005
EW Width (EW)
(HSIZ)
Note: Adjust HSIZ to
16.4
±(SPCB)
14.6
±(PAL Monoscope)
15.3
±(NTSC Monoscope)
GEOM 002
Horizontal Bow
(HBOW)
GEOM 006
EW Parabola/Width
(EWPW)
(PW)
GEOM 007
EW Upper Corner
(UCOP)
Parabola
GEOM 008
EW Lower Corner
(LCOP)
Parabola
GEOM 001
Horizontal
(HPAR)
Parallelogram
GEOM 012
S-Correction(SC)
(SCOR)
GEOM 003
Vertical Linearity
(VLIN)
GEOM 004
Vertical Scroll
(VSCR)
5. Write in with + 2 step offset (for comb models), No offset
(for no comb models only).
The highest level of V
B1
, V
B2
, V
B3
, V
B4
must be aligned at the same time.
The ideal difference between
V
B2
and V
B3
is within
± 80mV
4-4.
GEOMETRY ADJUSTMENT
Geometry adjustment must be done for both color systems
PAL and NTSC.
PAL and NTSC.
4-4-1. GENERAL SETTING
a) Input Monoscope or Special Color Bar(SPCB) signal
using a pattern generator.
b) Set to Service Mode.
c) Select Category/Functionally Name (as in the service
c) Select Category/Functionally Name (as in the service
list) using 1 and 4 button on the remote commander.
Eg. GEOM
Eg. GEOM
d) Raise or Lower the data value using 3 and 6 button.
e) Press [MUTING]
e) Press [MUTING]
t - to save the data into memory.
Note 1: Geometry Adjustment must be performed for 4 different
modes: PAL 50Hz NORMAL MODE, PAL 50Hz WIDE
MODE, NTSC 60Hz NORMAL MODE, NTSC 60Hz
WIDE MODE.
MODE, NTSC 60Hz NORMAL MODE, NTSC 60Hz
WIDE MODE.
4-4-2. PAL 50Hz NORMAL MODE
a) Input PAL signal 50Hz in the Service Mode.
b) Set Wide Mode to "OFF".
c) Perform the below adjustments using the "GENERAL
b) Set Wide Mode to "OFF".
c) Perform the below adjustments using the "GENERAL
SETTING" sequence (Refer 4-4-1)
d) Once adjustment is done for PAL 50Hz NORMAL
MODE,set Wide mode to "ON", and copy all PAL 50Hz
NORMAL MODE adjusted data to PAL 50Hz WIDE
MODE except VSCR.
NORMAL MODE adjusted data to PAL 50Hz WIDE
MODE except VSCR.
e) Now, perform adjustment for NTSC 60Hz NORMAL
MODE.
f)
Set Wide mode to "OFF".
g) Perform adjustment items listed in the above table using
the "GENERAL SETTING sequence (refer 4-4-1).
h) Once adjustment is completed,set Wide mode to "ON"
and copy all NTSC 60Hz NORMAL MODE adjusted data
to NTSC 60Hz WIDE MODE except VSCR.
to NTSC 60Hz WIDE MODE except VSCR.
i)
Upon completing adjustment for all modes,reconfirm
VSIZ and VPOS.
VSIZ and VPOS.
VB1
VB2
VB3 VB4
80mV
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