Sony KV-25RE10K Service Manual ▷ View online
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21
GB
Troubleshooting
Here are some simple solutions to the problems which may affect the picture and sound.
Additional Information
Problem
No picture (screen is dark) and no
sound.
sound.
Poor or no picture (screen is dark),
but good sound.
but good sound.
No picture or no menu information
from equipment connected to the
Scart connector.
from equipment connected to the
Scart connector.
Good picture, no sound.
No colour on colour programmes.
Distorted picture when changing
programmes or selecting teletext.
programmes or selecting teletext.
Wrong characters appear when
viewing teletext.
viewing teletext.
Picture slanted
(Only for KV-29RE10K).
(Only for KV-29RE10K).
Noisy picture when viewing a TV
channel.
channel.
No unscrambled picture whilst
viewing an unscrambled channel
with a decoder connected through
the Scart connector
viewing an unscrambled channel
with a decoder connected through
the Scart connector
:2/q
.
Remote control does not function.
The standby indicator
on the TV
flashes.
Solution
• Check the aerial connection.
• Plug the TV in and press the
• Plug the TV in and press the
button on the front of
the TV.
• If the standby indicator
• If the standby indicator
is on, press
button on
the remote control.
• Using the menu system, select the “Picture
Adjustment” menu and select “Reset” to return to the
factory settings.
• Check that the optional equipment is on and press the
button repeatedly on the remote control until the
correct input symbol is displayed on the screen.
• Press the
+ button on the remote control.
• Check that “TV Speakers” are “On” in the “Sound
Adjustment” menu.
• Check that headphones are not connected.
• Using the menu system, select the “Picture
Adjustment” menu and select “Reset” to return to
factory settings.
factory settings.
• Turn off any equipment connected to the Scart
connector on the rear of the TV.
connector on the rear of the TV.
• Using the menu system, enter the “Language/
Country” menu and select the country in which you
operate the TV set. For cyrillic languages, we
recommend selecting Russia if your own country does
not appear in the list.
operate the TV set. For cyrillic languages, we
recommend selecting Russia if your own country does
not appear in the list.
• Using the menu system, select the “Picture Rotation”
option in the “Detail Set Up” menu to correct the
picture slant.
option in the “Detail Set Up” menu to correct the
picture slant.
• Using the menu system, select the “Manual
Programme Preset” menu and adjust Fine Tuning
(AFT) to obtain better picture reception.
• Using the menu system, select the “Noise Reduction”
option in the “Detail Set Up” menu and select
“Auto” to reduce the noise in the picture.
• Using the menu system, select the “Noise Reduction”
option in the “Detail Set Up” menu and select
“Auto” to reduce the noise in the picture.
• Using the menu system, select the “Set Up” menu.
Then enter the “Detail Set Up” option and set “AV2
Output” to “TV”.
Output” to “TV”.
• Replace the batteries.
• Contact your nearest Sony service centre.
If you continue to experience problems, have your TV serviced by qualified personnel.
Never open the casing yourself.
20
Specifications
Additional Information
TV system:
Depending on your country selection:
B/G/H, D/K
Depending on your country selection:
B/G/H, D/K
Colour system:
PAL, SECAM
NTSC 3.58, 4.43 (only Video In)
PAL, SECAM
NTSC 3.58, 4.43 (only Video In)
Channel Coverage:
VHF:
VHF:
E2-E12
UHF:
E21-E69
CATV:
S1-S20
HYPER: S21-S41
D/K:
D/K:
R1-R12, R21-R69
Picture Tube:
Super Trinitron:
•KV-25RE10K: 25” (approx. 59 cm.
measured diagonally)
• KV-29RE10K: 29” (approx. 68 cm.
measured diagonally)
Super Trinitron:
•KV-25RE10K: 25” (approx. 59 cm.
measured diagonally)
• KV-29RE10K: 29” (approx. 68 cm.
measured diagonally)
Rear Terminals
:
:
:
:1/
21-pin Scart connector
(CENELEC standard)
including audio/video
input, RGB input, TV
audio/video output.
input, RGB input, TV
audio/video output.
:
:
:
:2/q
q
q
q
21-pin Scart connector
(CENELEC standard)
(CENELEC standard)
including audio / video
input, S video input,
selectable audio / video
output and Smartlink
interface.
audio outputs (Left/
Right) - phono jacks
Right) - phono jacks
Front Terminals
q
q
q
q
q3 S Video input – 4 pin DIN
…
…
…
…3 video input – phono jack
≤
≤
≤
≤
3 audio input – phono jacks
headphones jack
Design and specifications are subject to change without notice.
Ecological Paper- Totally Chlorine Free
Sound Output:
2 x 14 W (music power)
2 x 7 W (RMS)
2 x 7 W (RMS)
Power Consumption:
• KV-25RE10K: 87 W
• KV-29RE10K: 94 W
• KV-25RE10K: 87 W
• KV-29RE10K: 94 W
Standby Power Consumption:
0.5 W
0.5 W
Dimensions (w x h x d) :
• KV-25RE10K: Approx. 593 x 502 x 506 mm.
• KV-29RE10K: Approx. 676 x 557 x 525 mm.
• KV-25RE10K: Approx. 593 x 502 x 506 mm.
• KV-29RE10K: Approx. 676 x 557 x 525 mm.
Weight:
• KV-25RE10K: Approx. 33.2 Kg.
• KV-29RE10K: Approx. 43.5 Kg.
• KV-25RE10K: Approx. 33.2 Kg.
• KV-29RE10K: Approx. 43.5 Kg.
Accessories supplied:
1 Remote Control (RM-887)
2 Batteries (IEC designated)
1 Remote Control (RM-887)
2 Batteries (IEC designated)
Other features:
• Teletext, Fastext, TOPtext
• Sleep Timer
• SmartLink (direct link between your TV set
and a compatible VCR. For more
• Teletext, Fastext, TOPtext
• Sleep Timer
• SmartLink (direct link between your TV set
and a compatible VCR. For more
information on SmartLink, please refer to
the Instruction Manual of your VCR).
• TV system Autodetection.
• TV system Autodetection.
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Remove the rear cover fixing screws indicated and withdraw the rear cover whilst applying minimal pressure on the top of the
beznet. Take care when removing the rear cover not to damage the speaker cables, as speakers are fitted inside the rear cover.
beznet. Take care when removing the rear cover not to damage the speaker cables, as speakers are fitted inside the rear cover.
SECTION 2
DISASSEMBLY
To remove lift the main bracket rear slightly and slide the
chassis away from the beznet. Ensure that the interconnecting
leads are released from their purse locks to prevent damage
being caused.
chassis away from the beznet. Ensure that the interconnecting
leads are released from their purse locks to prevent damage
being caused.
When refitting the chassis ensure that the main
bracket is located in the beznet guide slots before
sliding the chassis forwards. Refit the
interconnecting leads in their respective purse locks.
bracket is located in the beznet guide slots before
sliding the chassis forwards. Refit the
interconnecting leads in their respective purse locks.
2-2. Chassis Removal and Refitting
2-1. Rear Cover Removal
=>
=>
=>
=>
=>
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2-5. Service Position
Position the chassis as indicated to access the solder side
of the PWB’s. To gain access to the A Board follow the
instructions on page 17. [Removal and Replacement of the
main bracket bottom plates ].
of the PWB’s. To gain access to the A Board follow the
instructions on page 17. [Removal and Replacement of the
main bracket bottom plates ].
2-3. A Board Removal
2-4. H1 Board Removal
To remove the H1 board release the three clips circled and ease
the board gently away from the support bracket.
the board gently away from the support bracket.
2-6. Wire Dressing
Ensure that wires do not touch heatsinks and high temperature
hotspots. All wires must be kept at a minimum distance of
20mm away from the EHT lead
hotspots. All wires must be kept at a minimum distance of
20mm away from the EHT lead
Clips
20mm
20mm
To remove the A Board release the clips circled and
ease the board gently away from the support bracket.
ease the board gently away from the support bracket.
Clips
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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
How to handle the Anode-Cap
1 .
To prevent damaging the surface of the anode-cap do not use
sharp materials.
sharp materials.
2 .
Do not apply too great a pressure on the rubber, as this may cause
damage to the anode connector.
damage to the anode connector.
3 .
A metal fitting called a shatter hook terminal is fitted inside the
rubber cap.
rubber cap.
4 .
Do not turn the rubber foot over excessively, this may cause
damage if the shatter hook sticks out.
damage if the shatter hook sticks out.
Removal of the Anode-Cap
2-7. Picture Tube Removal
WARNING:
BEFORE REMOVING
THE ANODE CAP
High voltage remains in the CRT even
after the power is disconnected. To
avoid electric shock, discharge CRT
before attempting to remove the anode
cap. Short between anode and CRT
coated earth ground strap.
after the power is disconnected. To
avoid electric shock, discharge CRT
before attempting to remove the anode
cap. Short between anode and CRT
coated earth ground strap.
Coated Earth
Ground Strap
Ground Strap
1.
Discharge the anode of the CRT and remove the anode cap.
2.
Unplug all interconnecting leads from the Deflection yoke, neck
assy, degaussing coils and CRT grounding strap.
assy, degaussing coils and CRT grounding strap.
3.
Remove the C Board from the CRT.
4.
Remove the chassis assembly.
5.
Loosen the Neck assembly fixing screw and remove.
6.
Loosen the Deflection yoke fixing screw and remove.
7.
Place the set with the CRT face down on a cushion and remove
the Degaussing Coil holders.
the Degaussing Coil holders.
8.
Remove the Degaussing Coils.
9.
Remove the CRT grounding strap and spring tentioners.
10. Unscrew the four CRT fixing screws [ located on each CRT
corner ] and remove the CRT.
[Take care not to handle the CRT by the neck.]
[Take care not to handle the CRT by the neck.]
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Click on the first or last page to see other KV-25RE10K service manuals if exist.