DOWNLOAD Sony KV-25RE10K Service Manual ↓ Size: 25.5 MB | Pages: 55 in PDF or view online for FREE

Model
KV-25RE10K
Pages
55
Size
25.5 MB
Type
PDF
Document
Service Manual
Brand
Device
TV
File
kv-25re10k.pdf
Date

Sony KV-25RE10K Service Manual ▷ View online

- 13 -
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.
Poor or no picture (screen is dark), 
but good sound.
No picture or no menu information 
from equipment connected to the 
Scart connector.
Good picture, no sound.
No colour on colour programmes.
Distorted picture when changing 
programmes or selecting teletext.
Wrong characters appear when 
viewing teletext.
Picture slanted
(Only for KV-29RE10K).
Noisy picture when viewing a TV 
channel.
No unscrambled picture whilst 
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 
 button on the front of
  the TV. 
• 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.
• Turn off any equipment connected to the Scart
  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.  
• Using the menu system, select the “Picture Rotation”
  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 “Set Up” menu. 
Then enter the “Detail Set Up” option and set “AV2 
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 
Colour system:
PAL, SECAM 
NTSC 3.58, 4.43 (only Video In)
Channel Coverage:
VHF: 
E2-E12
UHF: 
E21-E69
CATV: 
S1-S20
HYPER:  S21-S41
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)
Rear Terminals
:
:
:
:1/
21-pin Scart connector
 
(CENELEC standard)
 
including audio/video
input, RGB input, TV 
audio/video output.
:
:
:
:2/q
q
q
q
  
21-pin Scart connector
(CENELEC standard) 
including audio / video 
input, S video input, 
selectable audio / video 
output and Smartlink 
interface.
audio outputs (Left/
Right) - phono jacks 
Front Terminals
q
q
q
qS 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)
Power Consumption:
• KV-25RE10K: 87 W
• KV-29RE10K: 94 W
Standby Power Consumption:
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.
Weight:
• KV-25RE10K: Approx. 33.2 Kg.
• KV-29RE10K: Approx. 43.5 Kg.
Accessories supplied:
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
information on SmartLink, please refer to
  the Instruction Manual of your VCR).
• TV system Autodetection.
- 14 -
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.
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.
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.
2-2. Chassis Removal and Refitting
2-1. Rear Cover Removal
=>
=>
=>
=>
=>
- 15 -
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 ].
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.
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
Clips
20mm
20mm
To remove the  A Board release the clips circled and
ease the board gently away from the support bracket.
Clips
- 16 -
Anode button
a
*   REMOVING  PROCEDURES.
Turn up one side of the rubber cap in
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
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
b
b
c
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.
3 .
A metal fitting called a shatter hook terminal is fitted inside the
rubber cap.
4 .
Do not turn the rubber foot over excessively, this may cause
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.
Coated Earth
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.
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.
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.]
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