DOWNLOAD Sony KDL-40EX640 / KDL-46EX640 / KDL-55EX640 Service Manual ↓ Size: 2.04 MB | Pages: 45 in PDF or view online for FREE

Model
KDL-40EX640 KDL-46EX640 KDL-55EX640
Pages
45
Size
2.04 MB
Type
PDF
Document
Service Manual
Brand
Device
TV
File
kdl-40ex640-kdl-46ex640-kdl-55ex640.pdf
Date

Sony KDL-40EX640 / KDL-46EX640 / KDL-55EX640 Service Manual ▷ View online

KDL-40EX640/46EX640/55EX640  
17
SECTION 4 - DISASSEMBLY/PART NUMBER INFORMATION
NOTE: Les composants identifies per un trame et 
une marque 
!
 sont critiques pour la securite. 
Ne les remplacer que par une piece portant le 
numero specifie.
NOTE: The components identified by shading 
and 
!
 mark are critical for safety. Replace only 
with part number specified. 
NOTE: The components identified by a red outline and a   mark contain 
confidential information. Specific instructions must be adhered to whenever 
these components are repaired and/or replaced. 
See Appendix A: Encryption Key Components in the back of this manual. 
REAR COVER REMOVAL
CAUTION:
 
Hold down the Rear Cover as shown in the steps below to avoid deforming or damaging the hooks in the Rear 
Cover and Bezel.
 
The portion of the Rear Cover near the Switch Unit is very fragile. When lifting this section, support the area to avoid 
breaking the cover.
Trying to remove the Rear Cover as shown in this illustration will break the hooks securing it to the Bezel.
Rear Cover hook
Bezel hook
 
REF. NO.  
PART NO. 
DESCRIPTION 
[ASSEMBLY INCLUDES]
 
REF. NO.  
PART NO. 
DESCRIPTION 
[ASSEMBLY INCLUDES]
 
51 
4-409-316-01 
REAR COVER(40NK2)   
[52]
 
 
 
(KDL-40EX640 ONLY)
 
51 
4-409-325-01 
REAR COVER(46NK2)   
[52]
 
 
 
(KDL-46EX640 ONLY)
 
51 
4-409-328-01 
REAR COVER(55NK2)   
[52]
 
 
 
(KDL-55EX640 ONLY)
 
52 
4-409-322-01 
BRACKET, VESA(NK2)
!
  53 
1-839-679-11 
CORD, POWER (WITH CONNECTOR)
 
54 
4-299-528-01 
AC COVER
 
 
4-256-393-01 
SCREW, +PSW M3X6 W12
 
 
2-580-639-01 
SCREW, +BVTP 4X12 TYPE2 IT-3
 
 
4-159-298-01 
SCREW, +PSW M4X10
 
 
4-400-043-01 
JOINT, SCREW 
 
 
(SCREWS USED WHEN STAND IS ATTACHED - NOT USED WITH      
 
 
WALL MOUNTS)
 
 
7-685-646-79 
SCREW, +BVTP 3X8 TYPE2 IT-3
A   To avoid damaging the AC Power Supply 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.
 
18 from KDL-40EX640 Only
 
20 from KDL-46EX640 Only
 
22 from KDL-55EX640 Only
C   Gently hold down the Rear Cover from the 
center, then carefully start to lift the Rear Cover 
from the bottom to create clearance between 
the Bezel and the Rear Cover.
D   Gently hold down the Rear Cover as shown in the steps below, then grasp the inside bottom corner and carefully lift 
the Rear Cover to release the hooks.
 
      
USE CAUTION
to avoid breaking this
area of the Rear Cover
E   Lift the Rear Cover from the bottom and push 
forward to release the top hooks.
52
51
54
53
KDL-40EX640/46EX640/55EX640  
18
SECTION 4 - DISASSEMBLY/PART NUMBER INFORMATION
HANDLING THE LVDS FFC CONNECTOR
 
Several models use a LVDS FFC Connector from the Main Board to the 
TCON Board. Currently there are three different types of connectors that 
are used. 
CAUTION: 
 
Refer to the illustration below when disconnecting or connecting the 
LVDS FFC Connector. Regardless of the connector type, DO NOT 
remove the LVDS FFC Connector by the reinforcement tab only. 
Correct
Incorrect
CAUTION: 
 
The LVDS FFC Connector can be inserted into the Main Board upside 
down. If it is inserted upside down, the pins on the LVDS FFC Connector 
will short-circuit and damage the board.
Inserted Correctly
Inserted Incorrectly
DISCONNECTING THE LVDS FFC CONNECTOR
CAUTION: 
 
Regardless of the connector type, DO NOT remove the LVDS FFC 
Connector by the reinforcement tab only. 
CONNECTOR TYPE 1
1.  Slightly tilt the Main Board connector release away from the LVDS FFC 
Connector.
2.   Gently wiggle the LVDS FFC Connector to detach it from the Main 
Board.
Main Board
Reinforcement 
Tab
Tilt away from LVDS
CONNECTOR TYPE 2
1.  Gently press down on the release tab of the Main Board connector.
2.  Correctly holding onto the LVDS FFC Connector, pull out the connector 
while continuing to hold down the release tab of the Main Board 
connector.
Press down
Main Board
Reinforcement 
Tab
CONNECTOR TYPE 3
1.  Gently press down on the 2 release tabs of the Main Board connector.
2.  Correctly holding onto the LVDS FFC Connector, pull out the connector 
while continuing to hold down the release tabs of the Main Board 
connector.
Reinforcement 
Tab
Press down
Main Board
CONNECTING THE LVDS FFC CONNECTOR
CAUTION: 
 
DO NOT insert the LVDS FFC Connector into the Main Board upside 
down. 
CONNECTOR TYPE 1
1.  While holding onto the LVDS FFC Connector, gently tilt the Main Board 
connector release towards the Main Board then slide the LVDS FFC 
Connector straight in.
Main Board
Reinforcement 
Tab
Tilt away from LVDS
CONNECTOR TYPE 2
1.  Gently press down on the release tab of the Main Board connector.
2.  Holding onto the entire LVDS FFC Connector, insert the LVDS FFC 
Connector into the Main Board connector.
Main Board
Reinforcement 
Tab
Press down
CONNECTOR TYPE 3
1.  Gently press down on the 2 release tabs of the Main Board connector.
2.  Holding onto the entire LVDS FFC Connector, insert the LVDS FFC 
Connector into the Main Board connector.
Reinforcement 
Tab
Press down
Main Board
KDL-40EX640/46EX640/55EX640  
19
SECTION 4 - DISASSEMBLY/PART NUMBER INFORMATION
NOTE: Les composants identifies per un trame et 
une marque 
!
 sont critiques pour la securite. 
Ne les remplacer que par une piece portant le 
numero specifie.
NOTE: The components identified by shading 
and 
!
 mark are critical for safety. Replace only 
with part number specified. 
NOTE: The components identified by a red outline and a   mark contain 
confidential information. Specific instructions must be adhered to whenever 
these components are repaired and/or replaced. 
See Appendix A: Encryption Key Components in the back of this manual. 
(Check the Sony Authorized Servicer Portal at 
http://www.sony.com/asp
 website for any additional service related issues.)
MAIN BOARD (A) AND POWER SUPPLY BOARD (GL5A/GL5B/GE55) REMOVAL
NOTE: Refer to 
“Handling the LVDS FFC Connector” on page 18
 to disconnect the LVDS Connector.
A   Detach Side Jack Cover from A Board.
B   Remove screws and disconnect connectors from A Board.
 
(Refer to 
“Handling the LVDS FFC Connector” on page 18
 instructions)
C   Remove screws and disconnect connectors from GL5A/GL5B/GE55 Board.
D   Disconnect connectors, then slide-out Left and Right Speakers. 
E   Release clips and disconnect 1 connector from H Board.
F   Lift up Switch Unit and disconnect 1 connector.
G   Remove Insulation Sheet.
 
101 
4-409-321-01 
COVER, SIDE JACK(NK2)
     102 
1-895-172-11 
A BOARD, COMPLETE
 
 
AFTER REPLACING THE MAIN BOARD, YOU MUST UPDATE 
 
 
THE SOFTWARE TO THE LATEST VERSION
     102 
1-895-172-21 
A BOARD, COMPLETE(LA1)
  
 
(KDL-55EX640 ONLY)
 
 
AFTER REPLACING THE MAIN BOARD, YOU MUST UPDATE 
 
 
THE SOFTWARE TO THE LATEST VERSION
 
103 
1-895-176-11 
H  BOARD, MOUNTED
 
104 
1-858-715-11 
LOUDSPEAKER (3X15CM)
 
105 
1-489-986-11 
SWITCH UNIT
 
REF. NO.  
PART NO. 
DESCRIPTION 
[ASSEMBLY INCLUDES]
 
REF. NO.  
PART NO. 
DESCRIPTION 
[ASSEMBLY INCLUDES]
 
106 
1-895-173-11 
GL5A BOARD, COMPLETE
 
 
 
(KDL-40EX640 ONLY)
 
106 
1-895-174-11 
GL5B BOARD, COMPLETE
 
 
 
(KDL-46EX640 ONLY)
 
106 
1-895-175-11 
GE55 BOARD, COMPLETE
 
 
 
(KDL-55EX640 ONLY)
 
107 
4-409-317-01 
SHEET, INSULATION (NK2)
 
 
 
(KDL-40EX640/46EX640 ONLY)
 
 
ORDER THIS PART WHEN REPLACING THE LCD PANEL
 
 
2-990-421-41 
SCREW, (+PSW) (M3X6)
103
107
106
102
101
104
105
E
C
D
F
B
A
G
KDL-40EX640/46EX640/55EX640  
20
SECTION 4 - DISASSEMBLY/PART NUMBER INFORMATION
NOTE: Les composants identifies per un trame et 
une marque 
!
 sont critiques pour la securite. 
Ne les remplacer que par une piece portant le 
numero specifie.
NOTE: The components identified by shading 
and 
!
 mark are critical for safety. Replace only 
with part number specified. 
NOTE: The components identified by a red outline and a   mark contain 
confidential information. Specific instructions must be adhered to whenever 
these components are repaired and/or replaced. 
See Appendix A: Encryption Key Components in the back of this manual. 
 
REF. NO.  
PART NO. 
DESCRIPTION 
[ASSEMBLY INCLUDES]
 
REF. NO.  
PART NO. 
DESCRIPTION 
[ASSEMBLY INCLUDES]
(Check the Sony Authorized Servicer Portal at 
http://www.sony.com/asp
 website for any additional service related issues.)
PANEL BRACKETS AND LCD PANEL REMOVAL
NOTE: The insulation sheet is not included with the LCD Panel. See part number information on the previous page.
A   Remove 2 screws, then press Bezel tabs and lift-up Panel Brackets (H).
B   Press Bezel tabs and tilt-up Panel Brackets (V).
C   Remove screws and lift up Bottom Frame.
D   Gently lift-up LCD Panel.
 
153 
4-299-512-01 
BRACKET, PANEL (H)
 
154 
4-299-509-01 
BRACKET, PANEL (V)
 
155 
4-409-323-01 
FRAME, BOTTOM(40NK2)
 
 
 
(KDL-40EX640 ONLY)
 
155 
4-409-326-01 
FRAME, BOTTOM(46NK2)
 
 
 
(KDL-46EX640/55EX640 ONLY)
 
 
4-256-393-01 
SCREW, +PSW M3X6 W12
 
 
2-580-639-01 
SCREW, +BVTP 4X12 TYPE2 IT-3
 
 
4-159-298-01 
SCREW, +PSW M4X10
 151  4-409-314-01  BEZEL(40NK2)
 
 
 
(KDL-40EX640 ONLY)
 151  4-409-324-01  BEZEL(46NK2)
 
 
 
(KDL-46EX640 ONLY)
 151  4-409-327-01  BEZEL(55NK2)
 
 
 
(KDL-55EX640 ONLY)
 151  4-409-327-11  BEZEL(55NK2)(LA1)
 
 
 
(KDL-55EX640 ONLY)
 
152 
NA 
LCD PANEL
  
FOR ALL LCD PANEL AND TCON BOARD PART NUMBER  
 
   
 
 
INFORMATION REFER TO THE LCD PANELS SERVICE MANUAL
CLEANING THE LCD PANEL
CAUTION: When cleaning the TV, be sure to unplug the power cord to avoid any chance of electric shock.
Clean the cabinet of the TV with a dry soft cloth, and wipe the LCD screen gently with a soft cloth.
 
;
Stubborn stains may be removed with a cloth slightly moistened with a solution of mild soap and warm water.
 
;
If using a chemically pretreated cloth, please follow the instruction provided on the package.
 
;
Never use strong solvents such as a thinner, alcohol or benzine for cleaning. 
 
;
Periodic vacuuming of the ventilation openings is recommended to ensure proper ventilation.
 
;
Do Not
 use paper towels, any type of abrasive pad, rags, rubber or vinyl materials to clean the screen. Using these 
materials could easily scratch the screen which may result in permanent damage.
 
;
Do Not
 use any cleaning product containing alkaline/acid cleaner, scouring powder, or volatile solvent, such as alcohol, 
ammonia, benzine, thinner or insecticide. Using any of these harsh cleaners may result in permanent damage to the 
screen.
 
;
Do Not 
spray water or detergent directly onto the TV screen . If liquid drips into the bottom of the screen it may cause a 
failure.
153
154
151
152
154
155
153
Panel Bracket (V)
Bezel tab
Panel Bracket (H)
Bezel tab
D
A
B
C
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