DOWNLOAD Sony KDL-40W4500 / KDL-46W4500 / KDL-52W4500 Service Manual ↓ Size: 13.2 MB | Pages: 58 in PDF or view online for FREE

– 20 –

 

9

 Bezel assy

5

 Clear panel

 

4

 Light guide

 

3

 One screw   

    (+BV 3X12)

8

 LCD panel

6

 Illumination module

2

 H4K board

1

 H3E board

Both

Both

7

 Two screws 

   (+BVTP2 4X16) 

1

 Loudspeaker

2

 Speaker cushion

Both

Both

1

 Loudspeaker

2

 Speaker cushion

Both

Both

– 21 –

5

 Clear panel

4

 Light guide

3

 One screw 

   (+BV 3X12) 

8

 LCD panel

6

 Illumination module

9

 Bezel assy

2

 H4K board

1

 H3E board

Both

Both

7

 Two screws 

   (+BVTP2 4X16) 

4

 Light guide

3

 One screw 

   (+BV 3X12) 

7

 Two screws 

   (+BVTP2 4X16) 

8

  LCD pane

l

6

 Illumination module

9

 Bezel assy

2

 H4 board

1

 H3E board

Both

5

 Clear panel

Both

– 22 –

1. Please protect caution items.

Parts that considered as caution or critical item when
servicing are shown by critical label or seal on cabinet,
chasis, parts etc.
Please make sure to protect these caution notes and
Intruction Manual.

2. Beware with electric shock

Live chassis can caused electric shock because its
connected to the ac power line. Therefore, please use
isolation transformer and gloves when changing parts or
remove plug. Please remember that there is high voltage
during servicing.

3. Use specification parts.

Some parts has its characteristic such as fire retardancy
and voltage value specification. Therefore, please use the
same specification to replace parts. Parts identified by
shading and critical mark on the schematic diagrams,
exploded views, and in the part list are critical for safe
operation. Replace these parts with Sony parts whose part
numbers appear as shown in this manual or in supplements
published by Sony. Circuit adjustments that are critical for
safe operation are identified in this manual. Follow these
procedures whenever critical parts are replaced or improper
operation is suspected.

4. On a safety as before, attaching parts and leading wiring

by using insulated material such as tube and tape, there
are also parts that taken from printed wiring boards.
Therefore when doing the internal wiring by leading or using
clamper, make sure wires are kept away from sharp edges,
heat sink and high temperature or high pressure parts.

5. Safety after sevicing

For safety, please check whether removed screws, parts
and wires are same as before. And check there is no
deterioration of seviced parts. Please make an insulation
checking between plug and external metal parts.

6. Do not fix internal of power supply board/inverter.

For safety, please do not perform service at the power
supply board or inverter.

1

  Press the middle

 

part of the connector

 

to insert till it locks.

2

  Press the right

 

side to confirm it is

 

locked.

3

  Press the left

 

side to confirm it is

 

locked.

The connector might not be properly locked when only pressed from the middle.
Be sure to press both sides to confirm it is properly locked.

– 23 –

CAUTION :
1.  Do not overpull the wires during dressing

--> avoid disconnection of wires.

2.  Make sure wires are kept away from

sharp edges, heatsinks & other
high-temperature parts.

LEGEND :

Hook

Slide Clamp