Sony KV-29FS150 Service Manual ▷ View online
KV-29FS150
KV-29FS150
17
3-1. REMOTE ADJUSTMENT BUTTONS AND INDICATORS
MUTING
(Enter into
memory)
memory)
8
(Initialize)
5
Display previous
Category
Category
3
Increase
Data value
Data value
0
(Remove
from memory)
from memory)
ENTER
(Enter into
memory)
memory)
6
Decrease
Data value
Data value
1
Display next
Item
Item
2
Display next
Category
Category
4
Display previous
Item
Item
DISPLAY
(Service Mode)
POWER
(Service Mode)
VOLUME (+)
(Service Mode)
RM-YA005
SECTION 3: CIRCUIT ADJUSTMENTS
Electrical Adjustments by Remote Commander
Use the Remote Commander
(RM-YA005)
to
perform the circuit adjustments in this section.
Test Equipment Required: 1. Pattern generator 2. Frequency counter 3. Digital multimeter 4. Audio oscillator
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3-2. ACCESSING THE SERVICE MENU
Use the remote commander to access the service menu and perform the
following adjusments.
1. Standby mode (Power off).
following adjusments.
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 #
Categoy
Item
Data value
Video Input Name
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
028 SERVICE
60 VIDEO
1
VIDEO 1
VIDEO 1
Write with
[MUTING].
GREEN
GEOM
000
HPOS
028 WRITE
60
GEOM
000
HPOS
028 WRITE
60
Write executed with
-.
RED
“WRITE” becomes red when saving,
then changes to “SERVICE”
then changes to “SERVICE”
“WRITE” displays when saving changes
Resetting the User Menus
Use the following procedure to reset the User Menus to the factory default
settings.
1. Access
settings.
1. Access
Service
Menu.
2. Press
8 then 0 on the Remote Commander.
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
Menu.
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 ADJUSTMENT)
1. Access
adjustment. (See 2-3. FOCUS ADJUSTMENT)
1. Access
Service
Menu.
2. Input white raster signal using signal generator.
3. Set the following condition:
Picture “STANDARD”, 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% Color Bar (CB) to TV set (OTHER model)
NTSC 75% Color Bar (CB) (NTSC model).
4. Set the following condition:
PICTURE 100%, COLOR 0%, BRIGHTNESS 50%
5. Connect an oscilloscope to pin
4
(R Output) of CN004.
6. Access the Service Menu. Set PICT 003 “PWL” to 00h and WHBL
017 “BLBG” to 01h.
7. Press
1 or 4 to display SADJ 000 “PMAX”, then adjust VR by
pressing 3 or 6 until the spec below is displayed:
VR
Black
VR
PAL
NTCS
1.61 0.03Vpp
8. Copy the adjusted PMAX data to TV mode.
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9. Select Wide Mode to “ON” in TV and Video mode and write “PMAX”
data - 6 steps (for models with V-Compression features only).
10. Press MUTING then 0 to write into memory.
11. Set “PWL” and “BLBG” back to initial data.
11. Set “PWL” and “BLBG” back to initial data.
(“PWL”:
01h
and
“BLBG”:
00h)
12. 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.
4. Set the following condition:
PICTURE 100%, COLOR 50%, BRIGHTNESS 50%, HUE 50%,
SHARPNESS 50%
SHARPNESS 50%
5. Set
PICT
006
“WTS”
to
00h.
6. Connect an oscilloscope to pin
2
(B Output) of CN004 on A Board.
7. Access service mode, then press 1 or 4 to select SADJ 004
“SCOL”, then adjust
V
B2
=V
B3
=V
B4
(for PAL) by pressing 3 or 6 ,
then write in the data as shown below:
Add 3 steps to “SCOL” (PAL) – 29"
VB2 = VB3 = VB4 (for PAL)
VB1
VB2 VB3 VB4
8. Copy “SCOL” 50 (PAL) video data to “SCOL” 50 (SECAM) video.
9. Copy “SCOL” 50 (PAL) video data and “SCOL” 50 (SECAM) video
data to “SCOL” 50 (PAL) and “SCOL” 50 (SECAM) TV table.
10. For NTSC model, input NTSC 75% Color Bar (CB) to TV and repeat
steps 4-6.
11. Access service mode, then press 1 or 4 to select SADJ 004
“SCOL”, then adjust
VB1 = VB4 (for NTSC)
by pressing 3 or 6 ,
then write in the data as shown below:
Add 4 steps to SCOL (NTSC) – 29"
VB1 = VB4 (for NTSC)
(Difference is within 70mV)
VB1 VB2 VB3 VB4
12. Copy “SCOL” 60 (NTSC) video data to “SCOL” 60 (NTSC) TV.
13. Copy “SCOL” 50 (PAL) and “SCOL” 60 (NTSC) data to “SCOL” 50
(PAL) and “SCOL” 60 (NTSC) in DVD mode.
14. Press MUTING then 0 to write into memory.
15. Set PICT 006 “WTS” back to original data.
15. Set PICT 006 “WTS” back to original data.
Sub Hue Adjustment
1. Set TV to Video mode.
2. Input NTSC 3.58 Color Bar(CB) to TV set.
3. Set the following condition:
PICTURE 100%, COLOR 50%, BRIGHTNESS 50%, HUE 50%,
SHARPNESS 50%
SHARPNESS 50%
4. Connect oscilloscope to pin
2
(B output) of CN004.
5. Access service menu, then press 1 or 4 to select SADJ 001
“SHUE” and YC 013 “TINT”, then adjust V
B1
= V
B2
= V
B3
= V
B4
by
pressing 3 or 6 .
6. Press
MUTING then 0 to write into memory.
7. Select TV channel with NTSC 3.58 and repeat steps 3-7.
8. For single system model with NTSC 4.43, select TV channel with
NTSC 4.43 and repeat steps 3-7.
9. Once adjustment is completed in Video mode, repeat the
adjustment in DVD mode. Set TV to DVD mode. Input NTSC 3.58
Color Bar (CB).
Color Bar (CB).
10. Connect oscilloscope to pin
2
(B output) of CN004.
11. Access service menu, then press 1 or 4 to select YC 013 “TINT”,
then adjust V
B1
= V
B2
= V
B3
= V
B4
by pressing 3 or 6 .
12. Press MUTING then 0 to write into memory.
The highest level of VB1, VB2, VB3 and VB4 should
be aligned at the same line.
The ideal difference between VB2 and VB3 is within + 80mV.
VB1
VB2
VB3 VB4
80mV
Sub Bright Adjustment
1. Set TV to RF mode.
2. Input PAL monoscope to RF mode (OTHER model) and NTSC
monoscope (NTSC model).
3. In CUSTOM mode, set BRIGHTNESS 50% and PICTURE to
“MINIMUM”
4. Access the service menu and press 1 or 4 to select WHBL 010
“SBRT”, then 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 + 2 steps.
the data value so that the cut-off level is 10 IRE, slightly glimmer: 20
IRE + 2 steps.
5. Press
MUTING then 0 to write into memory.
6. Copy the adjusted data WHBL 010 “SBRT” to Video mode.
7. Once adjustment is completed in RF and Video mode, repeat the
adjustment in DVD mode. Repeat steps 2 and 3.
8. Access the service menu and press 1 or 4 to select WHBL 010
“SBRT”, then 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.
the data value so that the cut-off level is 10 IRE, slightly glimmer: 20
IRE.
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Geometry Adjustment
Geometry adjustment must be done for both color systems PAL and
NTSC.
NTSC.
H-Trapezoid Adjustment
1. Receive cross hatch/dot signal.
2. Adjust RV 1800 on CV Board to make H-Trapezoid distortion best/to
obtain the center illustration shown in TABLE 1.
Category
Function
Illustration
GEOM 000
H Position
(HPOS)
GEOM 001
H Parallelogram
(HPAR)
GEOM 002
H Bow
(HBOW)
GEOM 003
Linearity
(VLIN)
GEOM 005
EW Width
(HSIZ)
Note: Adjust HSIZ
16.6 + -(SPCB) _ 50Hz
14.8 + -(PAL Monoscope) _ 50Hz
15.3 + -(NTSC Monoscope) _ 60Hz
14.8 + -(PAL Monoscope) _ 50Hz
15.3 + -(NTSC Monoscope) _ 60Hz
GEOM 006
EW Parabola/Width
(EWPW)
GEOM 007
EW Upper Corner
(UCOP)
Parabola
GEOM 008
EW Lower Corner
(LCOP)
Parabola
GEOM 009
EW Trapezoid
(EWTZ)
GEOM 011
V-Amplitude
(VSIZ)
Note: Adjust VSIZ
12.6 + -(SPCB) _ 50Hz
11.3 + -(PAL Monoscope) _ 50Hz
11.7 + -(NTSC Monoscope) _ 60Hz
11.3 + -(PAL Monoscope) _ 50Hz
11.7 + -(NTSC Monoscope) _ 60Hz
GEOM 012
S-Correction
(SCOR)
GEOM 013
V-Shift
(VPOS)
TABLE 1
Normal Mode 50Hz/60Hz
1. Input PAL Special Color Bar (SPCB) or PAL Monoscope (OTHER
model) and Video mode or NTSC Monoscope (NTSC model) signal
using a pattern generator.
using a pattern generator.
2. Set Wide Mode to “OFF”.
3. Use TABLE 1 to complete the adjustments by acesssing service
mode and then selecting the category item that needs adjusting by
pressing 1 or 4 .
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.
Wide Mode
1. Input PAL Special Color Bar (SPCB) or PAL Monoscope (OTHER
model) and Video mode or NTSC Monoscope (NTSC model) signal
using a pattern generator.
using a pattern generator.
2. Set Wide Mode to “ON”.
3. Copy NORMAL MODE 50Hz/60Hz adjusted data for the following
items:
GEOM: 011 VSIZ, 010 VSLP, 012 SCOR, and 003 VLIN
4. Use TABLE 1 to adjust the data by pressing 3 to increase the data
value, or 6 to decrease the data value until the screen displays the
center illustration for all items except the following:
center illustration for all items except the following:
GEOM: 003 VLIN, 010 VSLP, 011 VSIZ, and 012 SCOR
5. Press
MUTING then 0 to write into memory.
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