Sony KV-21FS150 (serv.man3) Service Manual ▷ View online
KV-21FS150
KV-21FS150
17
3-2. ACCESSING THE SERVICE MENU MODE
Use the remote commander to access the service meu mode and perform the following adjusments.
1. Standby mode (Power off).
1. Standby mode (Power off).
2. Press the following buttons on the remote commander within a second of each other:
DISPLAY
Channel 5
Sound Volume +
POWER
The screen displays the fi rst service data category item.
item no.
service data
NVM
field
channel no./
category
in decimal
item name
in decimal
NG
service command
frequency
video input name
GEOM
000
HPOZ
055
x
SERVICE
60
VIDEO 1
software
service data
reserved
power on time
release ID
version
in binary
for factory
color system
(decimal)
STR31
7.11U
0011 1111
FF FF
- - - - -
00084
Status Byte
Status Byte
Flash DCXO
#1 SSD
#2 SSD
000 00 00 0000
3E
40 000
004000
0000FF
1. On the Remote Commander press 2 to select the next category, or 5 to select the previous category.
2. Press
1 to select the next item, or 4 to select the previous item.
3. Press
3 to increase the data value, or 6 to decrease the data value.
4. Press
MUTING then 0 to write into memory.
GREEN
GEOM
000
HPOS
039
SERVICE
50
VIDEO 1
write with
[MUTING].
GREEN
GEOM
000
HPOS
039
WRITE
50
VIDEO
1
GEOM
000
HPOS
039
WRITE
50
VIDEO
1
Write executed with
-.
RED
“WRITE” becomes red
when saving, then changes
to “SERVICE”
when saving, then changes
to “SERVICE”
“WRITE” displays when
saving changes
saving changes
Resetting the User Menus
Use the following procedure to reset the User Menus to the factory default settings.
1. Access
1. Access
Service
Adjustment
Mode.
2. Press
8 then 0 on the Remote Commander.
KV-21FS150
KV-21FS150
18
3-3. CONFIRMING SERVICE ADJUSTMENT
CHANGES
1. After completing adjustments, pull out the plug from the AC outlet,
then replace the plug in the AC outlet again.
2. Access
Service
Adjustment
Mode.
3. Using the buttons on the Remote Commander, locate the adjusted
items again to confi rm they were adjusted.
3-4. WHITE BALANCE ADJUSTMENTS
NOTE: FOCUS adjustment should be completed before White Balance
adjustment. (See 2-3. FOCUS)
1. Access
adjustment. (See 2-3. FOCUS)
1. Access
Service
Mode.
2. Input white raster signal using signal generator.
3. Set the following condition:
Picture “DYNAMIC”, PICT 006, note value of “WTS”
then change to 00.
then change to 00.
4. Press
2 or 5 to select the WHBL category.
5. Press
1 or 4 to display the 03 “GDRV” and 04 “BDRV” items.
6. Press
3 or 6 to adjust for the best white balance.
7. At Cutoff, select WHBL 000 “BKOR” and 001 “BKOG” and adjust
the data.
8. Perform adjustment at Highlight and Cutoff condition until it reaches
its target.
9. Press
MUTING then ENTER to save into the memory.
10. Set PICT 006 “WTS” back to its original data.
3-5. PICTURE QUALITY ADJUSTMENTS
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% CB (NTSC
model).
4. Set PICT 003 “PWL” to 00h WHBL 017 “BLBG” to 01h.
5. Set the following condition:
PICTURE 100%, COLOR 0%, BRIGHTNESS 50%
6. Connect an oscilloscope to pin
4
(R Output) of CN004.
7. Press
1 or 4 to display SADJ 000 “PMAX”, then adjust VR by
pressing 3 or 6 until the spec below:
1.46
± 0.03 Vp-p = For 21" without VM models
1.65
± 0.03 Vp-p = With VM models except NTSC models
1.23
± 0.03 Vp-p = NTSC models VM models
1.10
± 0.03 Vp-p = For 21" NTSC non VM models
VR
Black
8. Select Wide Mode to “ON” in TV and Video mode and write “PMAX”
data - 8 steps (for models with V-Compression features only).
9. Press
MUTING then 0 to write into memory.
10. Set “PWL” and “BLBG” back to initial data.
(“PWL”: 01h and “BLBG”: 00h)
11. Press MUTING then 0 to write into memory.
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 MODEL).
4. INPUT NTSC 75% CB to TV set (NTSC MODEL).
5. Set PICT 006 “WTS” to 00h and Intelligent Picture to “OFF”.
6. Set the following condition:
PICTURE 50%, COLOR 50%, BRIGHTNESS 50%, HUE 50%,
SHARPNESS 50%
SHARPNESS 50%
7. Connect an oscilloscope to pin
2
(B Output) of CN004.
8. Press
1 or 4 to select SADJ 004 “SCOL”, then adjust
V
B2
=V
B3
=V
B4
(for PAL),
VB1 = VB4 (for NTSC)
by pressing 3 or
6 , then write in the data +5 step offset.
VB2 = VB3 = VB4 (for PAL)
VB1 = VB4 (for NTSC)
(Difference is within 70mV)
VB1
VB2 VB3 VB4
VB1 VB2 VB3 VB4
9. Press
MUTING then 0 to write into memory.
10. Set “WTS” back to original data and Intelligent Picture to “ON”.
11. Copy no.9 data to PAL TV & DVD mode.
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:
PICTURE 50%, COLOR 50%, BRIGHTNESS 50%, HUE 50%,
SHARPNESS 50%
SHARPNESS 50%
5. Press
1 or 4 to select service mode and - 5 step offset from SADJ
004 “SCOL”.
6. Connect oscilloscope to pin
2
(B output) of CN004.
7. Press
1 or 4 to select SADJ 001 “SHUE”, then press 3 or 6 to
adjust the data.
8. Press
MUTING then 0 to write into memory.
9. Press
1 or 4 to select SADJ 004 “SCOL” and +5 step offset, then
press MUTING then 0 to write into memory .
10. Select TV channel with 3.58 and repeat item (3) to (7) and +1 step
data offset.(NTSC model)
11. Press MUTING then 0 to write into memory.
KV-21FS150
KV-21FS150
19
12. For single system model with NTSC 4.43, select TV channel with
NTSC 4.43 and repeat items (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
VB1
VB2
VB3 VB4
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 steps 4 to 9 and 11.
set and perform steps 4 to 9 and 11.
Sub Bright Adjustment
1. Set TV to RF mode.
2. Input PAL monoscope to RF mode.
3. Set Brightness 50% and Picture to “MINIMUM”.
4. Press
1 (or 4 ) to select WHBL 010 “SBRT”.
5. Press
3 to increase the data value, or 6 to decrease the data value
so that the cut-off level is 10 IRE, slightly glimmer: 20 IRE.
6. Press
MUTING then 0 to write into memory.
Geometry Adjustment
Geometry adjustment must be done for both color systems PAL and
NTSC.
NTSC.
General Setting
1. Input Monoscope or Special Color Bar (SPCB) signal using a
pattern generator.
2. Access
Service
Mode.
3. Select the category item that needs adjusting by pressing 1 or 4
4. Press
3 to increase the data value, or 6 to decrease the data
value.
5. Press
MUTING then 0 to write into memory.
NOTE: 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.
PAL 50Hz Normal Mode
1. Input PAL signal 50Hz in the Service Mode.
2. Set Wide Mode to “OFF”.
3. Perform the below adjustments using the “General Setting”
sequence.
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)
4. After completing the adjustments 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.
adjusted data to PAL 50Hz WIDE MODE except VSCR.
5. Complete the adjustment for NTSC 60Hz NORMAL MODE.
6. Set Wide mode to “OFF”.
7. Complete the adjustment items listed in the above table using the
“General Setting” sequence.
8. After completing the adjustments set Wide mode to “ON” and copy
all NTSC 60Hz NORMAL MODE adjusted data to NTSC 60Hz
WIDE MODE except VSCR.
WIDE MODE except VSCR.
9. After completing all the adjustments, reconfi rm VSIZ and VPOS.
20
KV-21FS150
KV-21FS150
3-6. SERVICE DATA
TVJ
Function
Category
No.
Name
GEOM
000
HPOS Horizontal Shift (HS)
31
31
31
31
001
HPAR Horizontal Parallelogram
31
31
31
31
002
HBOW Horizontal Bow
31
31
31
31
003
VLIN
Vertical Linearity
31
31
31
31
004
VSCR Vertical Scroll
31
31
31
31
005
HSIZ
EW Width (EW)
31
31
31
31
006
EWPW EW Parabola/Width (PW)
31
31
31
31
007
UCOP EW Upper Corner Parabola
17
17
17
17
008
LCOP EW Lower Corner Parabola
17
17
17
17
009
EWTZ EW Trapezium
31
31
31
31
010
VSLP Vertical Slope (VS)
31
31
31
31
011
VSIZ
Vertical Amplitude
15
15
15
15
012
SCOR S-Correction (SC)
14
14
14
14
013
VPOS Vertical Shift (VSH)
31
31
31
31
014
HBL
RGB Blanking Mode
01
01
01
01
015
WBF
Timing of Wide Blanking (WBF)
07
07
07
07
016
WBR
Timing of Wide Blanking (WBR)
10
14
10
14
017
SBL
Service Blanking
00
018
COPY Copy the GEO data to all 50/60Hz NVM area
00
Functionality
Common
Initial Value
(4:3) 50
(4:3) 60
(4:3) w50
(4:3) w60
TVJ
Function
Category
No.
Name
WHBL
000
BKOR Black Level Offset R (OFB = 00), Offset B (OFB = 01)
31
31
31
31
31
001
BKOG Black Level Offset G
31
31
31
31
31
002
RDRV White Point R
37
37
37
37
37
003
GDRV White Point G
37
37
37
37
37
004
BDRV White Point B
37
37
37
37
37
005
LPG
RGB Gain Preset
01
006
PGR
Preset Gain R (PGR)
50
007
PGG
Preset Gain G (PGG)
50
008
PGB
Preset Gain B (PGB)
50
009
GNOF Preset Gain Offset
15
010
SBRT
Sub-Brightness
011
SBRO Sub-Brightness Offset (Intelligent Pic)
02
012
CBS
Control Sequence of Beam Current Limiting
00
013
RGBB RGB Blanking
00
014
BLBG
Blanking of Blue & Green Output
00
015
OFB
Black Level Offset Blue
01
016
WBP
Color Temp setting (0:High , 1:Normal , 2,3: Low)
Col Temp
(Cool other)
Col Temp
(Warm other)
Functionality
Common
Initial Value
Col Temp
(Neutral other)
Col Temp
(Cool YUV)
Col Temp
(Warm YUV)
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