Sony KV-28DS20U Service Manual ▷ View online
17
34
Additional Information
Specifications
TV system
I/DVB-T
Colour system
PAL
NTSC 3.58, 4.43 (only Video In)
NTSC 3.58, 4.43 (only Video In)
Channel coverage
UHF:B21-B69
Picture tube
KV-28DS20U
FD Trinitron WIDE
Approx 71cm (28inches) (Approx 66cm picture measured diagonally), 102° deflection
KV-32DS20U
FD Trinitron WIDE
Approx 82cm (32 inches) (Approx 76cm picture measured diagonally), 102° deflection
FD Trinitron WIDE
Approx 71cm (28inches) (Approx 66cm picture measured diagonally), 102° deflection
KV-32DS20U
FD Trinitron WIDE
Approx 82cm (32 inches) (Approx 76cm picture measured diagonally), 102° deflection
Rear Terminals
21-pin Euro connector (CENELEC standard) including audio/video
input, RGB input, TV audio/video output.
input, RGB input, TV audio/video output.
/
21-pin Euro connector (CENELEC standard) including audio/video
input, S-video input, selectable audio/video output.
21-pin Euro connector (CENELEC standard) including audio/video
input, Monitor audio/video output.
Audio outputs - phono jacks
Modem connection
Modem connection
Front Terminals
Video input -phono jack
Audio inputs - phono jacks
S video input - 4 pin DIN
Headphones jack - minijack stereo
Audio inputs - phono jacks
S video input - 4 pin DIN
Headphones jack - minijack stereo
Sound output
Left/Right: 2x20W
(music
power)
Centre:
10W (music power)
Sub woofer:
20W (music power)
Surround
2x5W (music power)
Power consumption
KV-28DS20U: 222W
KV-32DS20U: 209W
KV-32DS20U: 209W
Dimensions (wxhxd)
KV-28DS20U:
Approx. 761x496x525mm
KV-32DS20U:
Approx. 874x563x571mm
Weight
KV-28DS20U: Approx.
44.0kg
KV-32DS20U: Approx.
62.0kg
Accessories supplied
RM-888 remote control (1)
IEC designated size AA battery (2)
Surround Speakers (2) Centre Speaker (1)
IEC designated size AA battery (2)
Surround Speakers (2) Centre Speaker (1)
Other features
Teletext
Dolby ProLogic Surround System
Smartlink
Dolby ProLogic Surround System
Smartlink
Design and specifications are subject to change without notice.
1
2
s
2
3
2
2
2
s
35
Additional Information
Here are some simple solutions to problems which may affect the picture and sound.
•
If you continue to have these problems, have your TV serviced by qualified personnel or
you can contact the Sony UK Digital HelpLine on 0870 600 1717.
you can contact the Sony UK Digital HelpLine on 0870 600 1717.
•
NEVER open the casing yourself.
Troubleshooting
Problem
Cause
No picture , no sound
Poor or no picture (screen is dark), but good sound.
No picture on any channel after digital tuning.
No picture on any channel after digital tuning.
Some channels are blank.
Standby indicator flashing.
Good Picture, no sound.
Poor picture quality
No colour on colour programmes.
Remote control does not function.
Distorted picture when changing programmes or
selecting Teletext.
Poor picture quality
No colour on colour programmes.
Remote control does not function.
Distorted picture when changing programmes or
selecting Teletext.
•
Power off.
•
TV in standby.
•
Aerial disconnected
•
Picture preset level adjustment.
•
No digital transmissions in your area.
•
No digital transmissions from the transmitter you are currently using.
•
Weak signal.
•
Unsuitable aerial
•
Scrambled/subscription-only channel.
•
Programme used only for data (no picture or sound).
•
Programme not being transmitted.
•
Digital mode Timer Record active (regular flash).
•
Fault (irregular flash).
•
Volume control
•
Wrong external mode selected on an RGB video source.
•
Colour level setting.
•
Batteries low.
•
Inputs from external equipment not switched off.
Cause
•
Solution
Power off.
TV in standby.
TV in standby.
Aerial disconnected
Picture level adjustment
No digital transmissions in your area.
No digital transmissions from the transmitter you
are currently using.
Unsuitable aerial.
are currently using.
Unsuitable aerial.
Weak signal.
Scrambled/subscription-only channel.
Programme information without picture or sound.
Programme information without picture or sound.
Fault.
Volume control.
Wrong external mode selected.
Colour level setting.
•
Plug in the TV.
•
Press the
button on the front of the TV
•
If the
indicator is on press the
button or a numbered button on the
remote control.
•
Check the aerial connection.
•
Select
on the TV menu system then adjust the brightness, picture and colour
balance levels
•
Tune in the analogue channels available using the ‘Manually tuning the TV’
instruction in this manual, then contact a local installer to find out when digital
transmissions begin in your area.
instruction in this manual, then contact a local installer to find out when digital
transmissions begin in your area.
•
Contact a local installer to find out which transmitter you should be pointing
your aerial at.
your aerial at.
•
Change your aerial to to cover the channels used by digital programmes
(Contact a local installer)
(Contact a local installer)
•
Ensure aerial is correctly aligned to transmitter.
•
Ensure aerial is plugged directly into the TV (not through other equipment).
•
Upgrade to a higher gain aerial.
•
Subscribe to pay-per-view broadcaster.
•
See ‘Skipping programme positions’ section.
•
See ‘Re-arranging the TV channels’ section.
•
Do not open the cabinet, refer to qulified person.
•
Contact your nearest Sony Service Centre.
•
Press the
+ button on the remote control.
•
If
is displayed on the screen, press the
button on the remote control.
•
Press the
button repeatedly until the RGB symbol
is displayed on
screen.
•
Select
on the TV menu system then adjust the colur setting
/
18
SECTION 2
DISASSEMBLY
3 Rear Cover
1 1 Screw (BTVP 4x16)
2-1. REAR COVER REMOVAL
2-2. CHASSIS ASSY REMOVAL
2-3-2. SERVICE POSITION (2)
2-3-1. SERVICE POSITION (1)
2 8 Screws
(BTVTP 4x16)
(BTVTP 4x16)
1 Snap off from main bracket
2 Insert into heatsink
1 Clip bracket into Beznet
19
2-4. WIRE DRESSING
2-5. A BOARD REMOVAL
2-6. A EXTENSION BOARD
A board
BE-3E Extension Board
A Board
1 Remove CN301 before removing A board
20
5 Neck assy
Cushion
8 Degaussing coils
9 Spring Extension
2 Chassis assy
10 Four PT screws
11 Picture tube
3 C board
Anode cap
1
1
7 DGC holders
6 Deflection yoke
4 VM Board
2-7. PICTURE TUBE REMOVAL
Anode button
a
* REMOVING PROCEDURES.
Turn up one side of the rubber cap in
the direction indicated by the arrow a
the direction indicated by the arrow a
1
2 Using a thumb pull up the rubber cap
firmly in the direction indicated by the
arrow b
firmly in the direction indicated by the
arrow b
3 When one side of the rubber cap is
separated from the anode button, the
anode-cap can be removed by turning
up the rubber cap and pulling it up in
the direction of the arrow c
separated from the anode button, the
anode-cap can be removed by turning
up the rubber cap and pulling it up in
the direction of the arrow c
b
b
c
Note : Short circuit the anode of the picture tube and the anode cap to the metal chassis, CRT
shield or carbon paint on the CRT, after removing the anode.
shield or carbon paint on the CRT, after removing the anode.
• REMOVAL OF ANODE-CAP
•
HOW TO HANDLE THE ANODE-CAP
1
To prevent damaging the surface of the anode-cap do not use sharp materials.
2
Do not apply too great a pressure on the rubber, as this may cause damage to the
anode connector.
anode connector.
3
A metal fitting called a shatter hook terminal is fitted inside the rubber cap.
Do not turn the rubber foot over excessively this may cause damage if the shatter
hook sticks out.
Do not turn the rubber foot over excessively this may cause damage if the shatter
hook sticks out.
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