DOWNLOAD Sony KDL-46HX855 / KDL-55HX855 Service Manual ↓ Size: 2.39 MB | Pages: 53 in PDF or view online for FREE

KDL-46HX855/55HX855 16

LOCATED ON LOWER BEZEL NEAR SONY LOGO

3D Not Working

Use video or still 

camera to view IR 

LED’s on IR 

transmitter

IR LED’s lighting?

No

Double images 

displayed on 

screen?

Yes

Main Board*

No

Yes

Press “3D” button on 

remote commander 

and select 

“Simulated 3D”

SYNC EMITTER 

LED’s

Shutter Glasses

View image with 

known working 

pair of shutter 

glasses.

Double images 

become one?

Yes

3D OK

No

3D IR Emitter 

Board*

*For Part Number information, Refer to 

“Section 4 - Disassembly/Part Number Information” on page 17

.

KDL-46HX855/55HX855  

17

 

A  

Remove 3 screws from the Table-Top Stand, then lift up the LCD TV and gently place it face down onto a soft cloth.

 

1 

A-1877-603-A 

STAND,HEAD BLOCK (MLG)

 

2 

4-400-778-01 

STAND, NECK T. S (46ML)

 

 

 

(KDL-46HX855 ONLY)

 

2 

4-400-779-01 

STAND, NECK T. S (2L)

 

 

 

(KDL-55HX855 ONLY)

 

3 

A-1877-604-A 

STAND,BASE BLOCK (MLG)

 

 

 

(KDL-46HX855 ONLY)

 

3 

A-1877-606-A 

STAND,BASE BLOCK (2LG)

 

 

 

(KDL-55HX855 ONLY)

 

▲ 

2-580-608-01 

SCREW, +PSW M5X16

 

 

(SCREWS TO ATTACH TABLE-TOP STAND TO LCD TV) 

 

 

For product protection and safety reasons, Sony strongly recommends 

 

 

that you use the screws provided with the TV. 

  

CAUTION: These screws cannot be used to secure the TV to the Wall     

 

 

Mount Brackets.

1

COVER, ARM  L

3

2

COVER, ARM R

Soft Cloth

A

KDL-46HX855/55HX855  

18

The Rear Cover for these models has some sharp edges.

Refer to the following illustration when handling the Rear Cover.

Areas with red

have sharp

edges and are

Not reinforced.

Use Caution with

these areas to

avoid damaging

the Rear Cover.

Areas with

yellow have

sharp edges.

Use Caution

with these

areas.

Handle the

Rear Cover

using these

areas.

Refer to the following illustration when handling the Rear Cover.

Areas with red

have sharp

edges and are

Not reinforced.

Use Caution with

these areas to

avoid damaging

the Rear Cover.

Areas with

yellow have

sharp edges.

Use Caution

with these

areas.

Handle the

Rear Cover

using these

areas.

CAUTIONS:
The Rear Cover for these models has sharp edges, use gloves or a cloth for protection against the sharp edges.
Do not lift the Rear Cover from the bottom side, lifting the Rear Cover from the bottom side will deform and damage 

the Rear Cover.
Follow the instructions below when removing the Rear Cover.

NOTE:
The Side Terminal Label, Rear Terminal Label, Left Rear Terminal Label, Under Terminal Label and Antenna Sheet(G) 

are not included with the Rear Cover and must be replaced when replacing the Rear Cover.

A

  To avoid damaging the AC Power Cord, remove the screw from the AC Cover and disconnect the AC Power 

Cord. 

Hold the

Power Supply Cord

B

  Remove the remaining screws from the Rear Cover.

 

22 from KDL-46HX855 Only

 

25 from KDL-55HX855 Only

C

  Grasp the Rear Cover from inside the AC Cover opening and lift up. After loosening the bottom left corner 

of the Rear Cover, gently begin to lift the Rear Cover towards the top left corner. Then using both hands, 

carefully lift-up the left side of the Rear Cover.

D   

After loosening the top right corner of the Rear Cover, gently begin to lift the Rear Cover towards the bottom 

right corner. Then using both hands, carefully lift-up the right side to detach the Rear Cover.

CATUION:

Lifting from the

bottom side will deform

and damage the Rear Cover

KDL-46HX855/55HX855  

19

A

  Align the bottom right corner, then gently insert the rest of the Rear Cover staring with the bottom side first.

Align bottom right corner first

B

  Confirm that all of the edges of the Rear Cover have been inserted into the Panel Frame.

Insert Rear Cover

edges into Frame

C

  While pushing the bottom side of the Rear Cover towards the top, tighten the screws on the bottom side of the Rear Cover first.

D

  Gently hold down the Rear Cover while tightening the remaining screws onto the Rear Cover.  

 

51 

4-422-627-12 

REAR COVER A (46 G)

 

 

 

(KDL-46HX855 ONLY)

 

51 

4-422-626-12 

REAR COVER A (55 G)

 

 

 

(KDL-55HX855 ONLY)

 

52 

4-400-427-01 

LABEL, SIDE TERMINAL

 

 

ORDER THIS PART WHEN REPLACING THE REAR COVER

 

53 

4-400-438-01 

LABEL, REAR TERMINAL

 

 

ORDER THIS PART WHEN REPLACING THE REAR COVER

 

54 

4-410-866-01 

LABEL, REAR TERMINAL LEFT

 

 

ORDER THIS PART WHEN REPLACING THE REAR COVER

 

55 

4-400-432-11 

LABEL, UNDER TERMINAL

 

 

ORDER THIS PART WHEN REPLACING THE REAR COVER

 

56 

4-298-212-01 

SHEET, ANT (G)

 

 

ORDER THIS PART WHEN REPLACING THE REAR COVER

 

 

57 

4-297-989-01 

AC COVER

!

  58 

1-846-001-11 

CORD, POWER (WITH CONNECTOR)

  

△

 

4-268-126-02 

SCREW, ORNAMENTAL M6X12

  

■

 

7-685-647-79 

SCREW, +BVTP 3X10 TYPE2 IT-3

  

◆

 

4-400-043-01 

JOINT, SCREW

 

 

 

(SCREWS USED WHEN STAND IS ATTACHED -     

 

 

 

NOT USED WITH WALL MOUNTS)

 

 ◇

 

4-256-393-01 

SCREW, +PSW M3X6 W12

57

51

52

53

54

55

56

58