Sony KDE-50XS955 Service Manual ▷ View online
KDE-50XS955 (UC) 1-8E
1-13. H3 AND H4 BOARDS REMOVAL
1
H4 board
2
H3 board
1-14. H5 BOARD REMOVAL
6
H5 board
2
Corner bracket
4
Front frame
1
Two screws
(+BVTP 4x16)
5
Screw
(+BVTP 3x12)
3
Two screws
(+BVTP 4x16)
KDE-50XS955 (UC) 2-1
SECTION 2
ADJUSTMENTS and TROUBLESHOOTING
2-1. WHITE BALANCE ADJUSTMENT
When the Panel or DE1 Board is replaced or is repaired, W/B
should be adjusted.
should be adjusted.
2-1-1. Measurement equipment
1. Color analyzer (CA-100 manufactured by MINOLTA)
2. Signal generator (ASTRO DESIGN VG-828D)
2. Signal generator (ASTRO DESIGN VG-828D)
2-1-2. Measuring procedure
1. Dab the W/B adjustment jig (CA-100) at the glass face of the
panel.
2. Connect the Signal generator (VG-828D) to the component
terminal.
3. Input All-white signal (70%).
4. Make the settings as follows.
4. Make the settings as follows.
• Set the quality mode to PRO.
• Set the PICTURE to MAX.
• Set the Color corrector to Low.
• Set the PICTURE to MAX.
• Set the Color corrector to Low.
5. Set the color temp, be adjusted cool.
6. Adjust the color temperature of the “highlight” side with the
6. Adjust the color temperature of the “highlight” side with the
following items of side mode menu, fixed a value of one of
RGBs 512.
RGBs 512.
There are 3 mode (COOL, NEUTRAL, WARM):
MODE
COLOR TEMPERATURE
W/B
COOL
13550K + OMPCD
4
NEUTRAL
9300K + 8MPCD
2
WARM
8000K + 8MPCD
1
*Operation Register
Service mode “27 MAIN _WB”
5 : GAINR
6 : GAING
7 : GAINB
6 : GAING
7 : GAINB
7. Adjust Cool, Neutral, Warm of each color temperature.
Adjustment target values:
MODE
X
Y
COOL
0.2684 ± 0.003
0.2700 ± 0.003 13550K + 0MPCD
NEUTRAL
0.2849 ± 0.003
0.2931 ± 0.003
9300K + 0MPCD
WARM
0.2951 ± 0.003
0.3044 ± 0.003
8000K + 0MPCD
2-1-3. Service Mode
1. How to Enter Service Mode
1) Turn on the main power switch to place this set in standby
mode. (The LED will light red.)
2) Press the buttons on the commander as follows to enter
service mode.
2. Press the JUMP key on the commander three times.
3. How to Adjust
3. How to Adjust
“27 MAIN_WB”
Category name.
(Can be changed with the 2 and 5 keys on the commander.)
(Can be changed with the 2 and 5 keys on the commander.)
5 GAINR 512
Data
Can be changed with the 3 and
6 keys on the commander.
6 keys on the commander.
Item Name
Item No.
Item No.
4. After the adjustment is completed, save the data using the
MUTE and ENTER keys.
Can be changed with the 1 and
4 keys on the commander.
4 keys on the commander.
Enter the
“Service mode”
5
(VOLUME +)
(DIGIT 5)
(DISPLAY)
(POWER)
KDE-50XS955 (UC) 2-2
2-2. TROUBLESHOOTING
Twin View
Problem
Possible Remedies
I cannot get Twin View to work
s
If you are using a cable box to unscramble all channels (as shown on page 26), you
cannot use the Twin View feature. This is because the cable box can unscramble
only one channel at a time. But if you need the cable box to unscramble only some
(usually premium) channels, you can use Twin View for unscrambled channels if
you connect both a cable and cable box, as shown on page 25.
cannot use the Twin View feature. This is because the cable box can unscramble
only one channel at a time. But if you need the cable box to unscramble only some
(usually premium) channels, you can use Twin View for unscrambled channels if
you connect both a cable and cable box, as shown on page 25.
s
You can use Twin View to view a signal from a different source that is connected to
the TV's A/V jacks (such as a VCR or DVD player) in the second window by
pressing the
the TV's A/V jacks (such as a VCR or DVD player) in the second window by
pressing the
TV/VIDEO
button while in Twin View.
s
Digital sources, as well as any sources connected to the VIDEO 4, VIDEO 5,
VIDEO 6 inputs, display in the left window, but not in the right windows.
VIDEO 6 inputs, display in the left window, but not in the right windows.
There is no Twin View window,
or it is just static
or it is just static
s
Be sure the Twin View window is set to a video input or channel that has a signal
airing.
airing.
s
You might be tuned to a video input with nothing connected to it. Try cycling
through the video inputs by pressing the
through the video inputs by pressing the
TV/VIDEO
button.
Twin View cannot display
anything but TV channels
anything but TV channels
s
Try cycling through the video inputs by pressing the
TV/VIDEO
button. Check
that the
Label Video Inputs
option is not set to
Skip
. (See the Setup Menu on
page 105.)
Twin View displays the same
program in both windows
program in both windows
s
Both Twin View windows might be set to the same channel. Try changing channels
in either window.
in either window.
Remote Control
CableCARD
™
Problem
Possible Remedies
Remote control does not operate
s
The batteries could be weak. Replace the batteries.
s
Check the orientation of the batteries.
s
Press the
TV (FUNCTION)
button. You may have inadvertently pressed the
SAT/CABLE (FUNCTION)
button, which changes the remote control to SAT or
CABLE mode.
s
Make sure the TVís power cord is connected securely to the wall outlet.
s
Locate the TV at least 3-4 feet away from fluorescent lights.
Cannot change channels with
the remote control
the remote control
s
If you are using the TV to change channels, first press the
TV (FUNCTION)
button.
s
If you are using another device to change channels, be sure you have not
inadvertently switched your TV from the channel 3 or 4 setting. Use the
inadvertently switched your TV from the channel 3 or 4 setting. Use the
Channel
Fix
option to ìf ixî the channel based on the hookup you used (see page 99).
s
If you are using another device to change channels, be sure to press the
FUNCTION
button for that device. For example, if you are using your cable box
to change channels, be sure to press the
SAT/CABLE (FUNCTION)
button.
Remote control does not operate
non-Sony video equipment
non-Sony video equipment
s
If you replaced the batteries to the remote recently, the code numbers for the video
equipment may need to be reset.
equipment may need to be reset.
s
There may be more than one code for the equipment that you are attempting to
operate.
operate.
s
There is a possibility that some non-Sony equipment cannot be operated by your
Sony TV remote.You may need to use the equipmentís original remote control.
Sony TV remote.You may need to use the equipmentís original remote control.
Problem
Possible Remedies
Problems using CableCARD
™
or CableCARD
™
services
s
Check that the CableCARD
™
is inserted properly (see page 51).
s
The CableCARD
™
must be activated by your local cable TV provider before you
can receive digital cable TV services. See the activation instructions on page 51.
s
Check the
Diagnostics
and
CableCARD
™
menu options (see page 108). (This
can be useful in providing information to an authorized technician or repair
person.)
person.)
s
Contact your cable TV provider.
KDE-50XS955 (UC) 2-3
Channels
Problem
Possible Remedies
Cannot receive upper channels
(UHF) when using an antenna
(UHF) when using an antenna
s
Press
ANT
to select the VHF/UHF input (see page 57).
s
Use
Auto Program
in the Channel Menu to add receivable channels that are not
presently in the TVís memory (see page 99).
TV is fixed to one channel
s
Use
Auto Program
in the Channel Menu to add receivable channels that are not
presently in the TVís memory (see page 99).
s
Check your Channel Fix settings (see page 99).
Cannot receive any channels
when using cable TV
when using cable TV
s
Use
Auto Program
in the Channel Menu to add receivable channels that are not
presently in the TVís memory (see page 99).
s
Press
ANT
to select the CABLE input (see page 57).
Cannot receive or select
channels
channels
s
Use
Auto Program
in the Channel Menu to add receivable TV channels that are
not presently in TV memory (see page 99).
Some digital cable channels are
not being displayed
not being displayed
s
Certain cable TV companies have limitations on the broadcast of digital cable
channels. Check with your cable TV company for more information.
channels. Check with your cable TV company for more information.
s
Check with your cable TV company if the channels are scrambled or encrypted.
You will need a CableCARD or a separate set-top box to view those channels.
You will need a CableCARD or a separate set-top box to view those channels.
s
Some optional digital cable broadcast formats may not be supported. If your cable
TV company is broadcasting digital signals in unsupported broadcast formats, you
will need a separate set-top box provided by your cable TV company to view those
channels.
TV company is broadcasting digital signals in unsupported broadcast formats, you
will need a separate set-top box provided by your cable TV company to view those
channels.
s
The digital cable channel may be set to
Hide
in the Channel Menu (see page 99).
s
Use the Digital Channels feature to search for new digital channels (see page 99).
Memory Stick
Problem
Possible Remedies
Image does not display/Cannot
see all files
see all files
s
Make sure the image file is a JPEG (.jpg, .jpeg) file or an MPEG1 (.mpg, .mpeg)
file.
file.
s
Make sure the Memory Stick is inserted properly (see page 78).
s
Check the
Filter
option setting (see page 89).
s
Check the
Select Folder
setting (see page 89) and ensure that files are either in
DCF directories if
Digital Camera Folders
is selected (see page 89), or in the
currently selected folder if
Select a Folder
is selected (see page 89).
s
The maximum number of files the Memory Stick Viewer can display is 2,000 files
total, including all JPEG, MPEG1, and MP3 files.
total, including all JPEG, MPEG1, and MP3 files.
s
If you are using a Memory Stick with the Memory Select function, try changing
the position of the A/B select switch.
the position of the A/B select switch.
JPEG image displays
undesirable motion or flicker in
full screen
undesirable motion or flicker in
full screen
s
JPEGs captured using a digital video camera may appear to display motion in full
screen. This is a result of the way digital video cameras record still images, and is
not a result of a malfunction with the TV.
screen. This is a result of the way digital video cameras record still images, and is
not a result of a malfunction with the TV.
Rotation not saved after
Memory Stick is ejected or
Memory Stick Viewer is closed
Memory Stick is ejected or
Memory Stick Viewer is closed
s
The Memory Stick might be locked. Unlock the Memory Stick and try rotating the
image again.
image again.
s
The file might not have information (EXIF data) that is usually generated when a
digital camera records a photo. In this case, it is not possible to save the rotation.
digital camera records a photo. In this case, it is not possible to save the rotation.
s
There might be insufficient space on the Memory Stick to save the rotated file. Try
deleting one or more files and rotating the image again.
deleting one or more files and rotating the image again.
Cannot show (or hide) file
information in full screen or
Slide Show
information in full screen or
Slide Show
s
Set the
File Information
option to
On
or
Off
(see page 88).
Cannot set print quantity
s
The Memory Stick might be locked. Unlock the Memory Stick and try rotating the
image again.
image again.
Cannot see Menu
s
Press
V
to display the Menu again.
Cannot hear audio while using
Memory Stick
Memory Stick
s
Check the TVís volume or
Speaker
(page 96) settings.
s
To hear JPEG voice memo in full screen view, select the
Digital Camera Folders
option and set the
Filter
option to
Show All Print Marks
.
s
Check that the
Music
option is not to set to
Off
(see page 88).
Not all MP3 files on Memory
Stick are included when the
Stick are included when the
Music /Complete List
option is
selected (page 88)
s
The Memory Stick Viewer can display a maximum of 2,000 files total, including
all JPEG, MPEG1, and MP3 files.
all JPEG, MPEG1, and MP3 files.
s
Make sure that the file is named with the file extension (.mp3).
Cannot see MP3 list to play
music
music
s
MP3 files on your Memory Stick only can be played as background music during a
Slide Show (see page 88).
Slide Show (see page 88).
MP3 file does not play back
correctly
correctly
s
The Memory Stick Viewer supports only MP3 files with a fixed data rate of
128 kbps (kilobits per second).
128 kbps (kilobits per second).
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