Sony KDL-52X2000 (serv.man2) Service Manual ▷ View online
– 17 –
FIX
RM-ED006
Troubleshooting
Check whether the
1
(standby) indicator is flashing in red.
When it is flashing
The self-diagnosis function is activated.
1
The self-diagnosis function is activated.
1
Count how many
1
(standby) indicator flashes between each two second break.
For example, the indicator flashes three times, then there is a two second break, followed by another three flashes, etc.
2
Press
1
on the TV (right side) to switch it off, disconnect the mains lead, and inform your dealer or
Sony service centre of how the indicator flashes (number of flashes).
When it is not flashing
1
Check the items in the tables below.
2
If the problem still persists, have your TV serviced by qualified service personnel.
Picture
Problem
Cause/Remedy
No picture (screen is dark) and
no sound
no sound
• Check the aerial connection.
• Connect the TV to the mains, and press
• Connect the TV to the mains, and press
1 on the TV (right side).
• If the
1 (standby) indicator lights up in red, press TV "/1.
No picture or no menu
information from equipment
connected to the scart
connector
information from equipment
connected to the scart
connector
• Check that the optional equipment is on and press
/
repeatedly until
the correct input symbol is displayed on the screen.
• Check the connection between the optional equipment and the TV.
Double images or ghosting
• Check aerial/cable connections.
• Check the aerial location and direction.
• Check the aerial location and direction.
Only snow and noise appear
on the screen
on the screen
• Check if the aerial is broken or bent.
• Check if the aerial has reached the end of its serviceable life (three to five
• Check if the aerial has reached the end of its serviceable life (three to five
years in normal use, one to two years at the seaside).
Distorted picture (dotted lines
or stripes)
or stripes)
• Keep the TV away from electrical noise sources such as cars, motorcycles,
hair-dryers or optical equipment.
• When installing optional equipment, leave some space between the optional
equipment and the TV.
• Make sure that the aerial is connected using the supplied coaxial cable.
• Keep the aerial cable away from other connecting cables.
• Keep the aerial cable away from other connecting cables.
Picture noise when viewing a
TV channel
TV channel
• Select “Manual Programme Preset” in the “Analogue Set-up” menu and
adjust “AFT” (Automatic Fine Tuning) to obtain better picture reception
(page 36).
(page 36).
Some tiny black points and/or
bright points appear on the
screen
bright points appear on the
screen
• The picture of a display unit is composed of pixels. Tiny black points and/or
bright points (pixels) on the screen do not indicate a malfunction.
No colour on programmes
• Select “Reset” in the “Picture” menu to return to the factory settings
(page 24).
No colour or irregular colour
when viewing a signal from the
Y, P
when viewing a signal from the
Y, P
B
/C
B
, P
R
/C
R
sockets
4
or 7
• Check the connection of the Y, P
B
/C
B
, P
R
/C
R
sockets
4 or 7.
• Make sure that the Y, P
B
/C
B
, P
R
/C
R
sockets
4 or 7 are firmly seated in
their respective sockets.
Sound
Problem
Cause/Remedy
No sound, but good picture
• Press
2 +/– or % (Mute).
• Check that “Speaker” is set to “On” in the “Set-up” menu (page 32).
Noisy sound
• See “Picture noise” causes/remedies on page 48.
Channels
Problem
Cause/Remedy
The desired channel cannot be
selected
selected
• Switch between digital and analogue mode and select the desired digital/
analogue channel.
Some channels are blank
• Scrambled/Subscription only channel. Subscribe to the Pay Per View
service.
• Channel is used only for data (no picture or sound).
• Contact the broadcaster for transmission details.
• Contact the broadcaster for transmission details.
Digital channels are not
displayed
displayed
• Contact a local installer to find out if digital transmissions are provided in
your area.
• Upgrade to a higher gain aerial.
General
Problem
Cause/Remedy
The TV turns off automatically
(the TV enters standby mode)
(the TV enters standby mode)
• Check if the “Sleep Timer” is activated, or confirm the “Duration” setting of
“On Timer” (page 31).
• If no signal is received and no operation is performed in the TV mode for
10 minutes, the TV automatically switches to standby mode.
The TV turns on automatically
• Check if the “On Timer” is activated (page 31).
Some input sources cannot be
selected
selected
• Select “AV Preset” in the “AV Set-up” menu and cancel “Skip” of the input
source (page 33).
The remote does not function
• Check that the remote is set correctly for the equipment you are using.
• Check whether the equipment you want to use corresponds to the function
• Check whether the equipment you want to use corresponds to the function
button being pressed (page 14).
• If the remote does not operate the equipment even when the remote has been
set correctly to the equipment, enter the necessary code as explained in
“Programming the remote” (page 44).
“Programming the remote” (page 44).
• Replace the batteries.
– 18 –
FIX
RM-ED006
SECTION 2 DISASSEMBLY
2-1. REAR COVER ASSY REMOVAL
3
Two screws
(+PSW M4X8)
2
Two screws
(+BVST 4X12)
4
One screw
(+BVTP 3X12 TYPE2 IT-3)
1
Seventeen screws
(+BVTP2 4X16)
5
Rear cover
3
Two screws
(+BVST 4X12)
6
Two screws
(+BVST 4X12)
4
Three screws
(+BVST 4X12)
2
Base stand
5
Arm
8
Arm
7
Three screws
(+BVST 4X12)
1
Two screws
(+PSW M5X12)
1
Two screws
(+PSW M5X12)
2-2. STAND ASSY REMOVAL
– 19 –
FIX
RM-ED006
2
Control button assy
3
H1 board
1
One screw
(+BVTP2 4X16)
2-3. H1 BOARD REMOVAL
2-4. LOUDSPEAKER REMOVAL
1
One screw
(+PWTP2 4X16)
2
Loudspeaker (L)
3
One screw
(+PWTP2 4X16)
4
Loudspeaker (R)
– 20 –
FIX
RM-ED006
1
Two screws
(+BVTP 3X12 TYPE2 IT-3)
2
Side terminal
3
Two screws
(+BVTP 3X12 TYPE2 IT-3)
4
H2 board
2-5. H2 BOARD REMOVAL
2-6. D4 AND G2 BOARD REMOVAL
2
D4 board
4
G2 board
1
Six screws
(+BVST 3X8)
3
Seven screws
(+BVST 3X8)
Click on the first or last page to see other KDL-52X2000 (serv.man2) service manuals if exist.