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Model
KDL-32BX320 KDL-32BX321 KDL-32BX420 KDL-32BX421 KDL-40BX420 KDL-40BX421 KDL-46BX420 KDL-46BX421
Pages
80
Size
6.34 MB
Type
PDF
Document
Service Manual
Brand
Device
TV
File
kdl-32bx320-kdl-32bx321-kdl-32bx420-kdl-32bx421-kd.pdf
Date

Sony KDL-32BX320 / KDL-32BX321 / KDL-32BX420 / KDL-32BX421 / KDL-40BX420 / KDL-40BX421 / KDL-46BX420 / KDL-46BX421 Service Manual ▷ View online

KDL-32BX320/32BX321/32BX420/32BX421/40BX420/40BX421/46BX420/46BX421 44
SECTION 6 - 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. 
A
C
F
H
I
B
K
J
D
E
G
 
FOR THE FOLLOWING SERIAL # RANGES: 
 
KDL-32BX320/32BX321  3000001 - 5500000 
A   Remove 4 screws and disconnect 5 connectors from A Board to detach from PSU and MB 
Brackets
B   Release 2 clips and slide-out Side Bracket to detach from A Board
C   Remove 4 screws and disconnect 3 connectors from G13 Board to detach from PSU Brackets
D   Remove 2 screws from MB Bracket to detach from LCD Panel
E   Remove 1 screw from PSU Bracket-Left to detach from LCD Panel
F   Remove 1 screw from PSU Bracket-Left to detach from Bottom Frame
G   Remove 2 screws from PSU Bracket-Right to detach from Bottom Frame and LCD Panel
H   Remove 2 screws from Vesa Brackets to detach from PSU Brackets
I   Remove 2 screws from Bottom Frame to detach from LCD Panel
J   Slide-out 2 Panel Brackets to detach from Bezel
K   Carefully lift up LCD Panel to remove from Bezel
(Check the Sony Authorized Servicer Portal a
www.sony.com/asp
 for any additional service related issues for this model.)
 
REF. NO.  
PART NO. 
DESCRIPTION 
[ASSEMBLY INCLUDES]
 
REF. NO.  
PART NO. 
DESCRIPTION 
[ASSEMBLY INCLUDES]
 
401 
4-288-557-01 
BEZEL (GF32)
 
402 
4-264-319-01 
SUPPORT, PANEL(C) (GW)
 
403 
NA 
LCD PANEL
 
 
FOR ALL LCD PANEL AND TCON BOARD PART NUMBER
 
 
INFORMATION REFER TO THE LCD PANELS SERVICE MANUAL
 
404 
4-264-318-01 
BRACKET, SIDE (US) (GW)
 
405 
1-895-018-11 
A BOARD, COMPLETE
  
AFTER REPLACING THE MAIN BOARD OR THE LCD PANEL, 
 
 
YOU MUST UPDATE THE SOFTWARE TO THE LATEST VERSION.
 
406 
1-474-297-12 
G13 BOARD, COMPLETE
 
407 
4-266-636-01 
BRACKET, VESA (GW32)
 
 
2-580-600-01 
SCREW, +PSW M4X8
 
 
2-580-592-01 
SCREW, +PSW M3X8
404
406
Bottom
Frame
407
MB Bracket
405
403
401
402
PSU
Bracket
Left
PSU
Bracket
Right
    
FOR THE FOLLOWING SERIAL # RANGES: 
KDL-32BX320/32BX321  3000001 - 5500000
KDL-32BX320/32BX321/32BX420/32BX421/40BX420/40BX421/46BX420/46BX421 45
SECTION 6 - 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. 
A
B
C
H
G
D
F
E
KDL-32BX420/32BX421 ONLY
 
FOR THE FOLLOWING SERIAL # RANGES: 
 
KDL-32BX420/32BX421  6000001 - 7200000
A   Remove 4 screws and disconnect 5 connectors from A Board to detach from LCD Panel
B   Release 2 clips and slide-out Side Bracket to detach from A Board
C   Remove 4 screws and disconnect 3 connectors from G13 Board
D   Remove 2 screws from MB Bracket to detach from LCD Panel
E   Remove 2 screws from Vesa Brackets to detach from Bottom Frame
F   Remove 2 screws from Bottom Frame to detach from LCD Panel
G   Slide-out 2 Panel Brackets to detach from Bezel
H   Carefully lift up LCD Panel to remove from Bezel
(Check the Sony Authorized Servicer Portal a
www.sony.com/asp
 for any additional service related issues for this model.)
 
REF. NO.  
PART NO. 
DESCRIPTION 
[ASSEMBLY INCLUDES]
 
REF. NO.  
PART NO. 
DESCRIPTION 
[ASSEMBLY INCLUDES]
 
451 
4-270-690-11 
BEZEL (GW32)
 
452 
4-165-056-01 
PANEL SUPPORT (B)
 
453 
NA 
LCD PANEL
 
 
FOR ALL LCD PANEL AND TCON BOARD PART NUMBER
 
 
INFORMATION REFER TO THE LCD PANELS SERVICE MANUAL
 
454 
4-264-318-01 
BRACKET, SIDE (US) (GW)
 
455 
1-857-903-31 
A BOARD, COMPLETE
 
 
 
(KDL-32BX420 ONLY)
 
 
 
(KDL-32BX421 MX ONLY)
  
AFTER REPLACING THE MAIN BOARD OR THE LCD PANEL, 
 
 
YOU MUST UPDATE THE SOFTWARE TO THE LATEST VERSION.
455
454
456
453
451
452
A Board
Bracket
Bottom
Frame
457
 
455 
1-857-903-41 
A BOARD, COMPLETE
 
 
 
(KDL-32BX421 US/CND ONLY)
  
AFTER REPLACING THE MAIN BOARD OR THE LCD PANEL, 
 
 
YOU MUST UPDATE THE SOFTWARE TO THE LATEST VERSION.
 
456 
1-474-297-12 
G13 BOARD, COMPLETE
*  457 
4-266-636-01 
BRACKET, VESA (GW32)
 
 
2-580-592-01 
SCREW, +PSW M3X8
 
 
2-580-599-01 
SCREW, +PSW M4X6
    
    
FOR THE FOLLOWING SERIAL # RANGES: 
KDL-32BX420/32BX421 
6000001 - 7200000
KDL-32BX320/32BX321/32BX420/32BX421/40BX420/40BX421/46BX420/46BX421 46
SECTION 6 - 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. 
A
B
C
H
G
D
F
E
 
FOR THE FOLLOWING SERIAL # RANGES: 
 
KDL-32BX420/32BX421  3000001 - 5300000
A   Remove 4 screws and disconnect 5 connectors from A Board to detach from LCD Panel
B   Release 2 clips and slide-out Side Bracket to detach from A Board
C   Remove 4 screws and disconnect 3 connectors from G13 Board
D   Remove 2 screws from MB Bracket to detach from LCD Panel
E   Remove 2 screws from Vesa Brackets to detach from Bottom Frame
F   Remove 2 screws from Bottom Frame to detach from LCD Panel
G   Slide-out 2 Panel Brackets to detach from Bezel
H   Carefully lift up LCD Panel to remove from Bezel
(Check the Sony Authorized Servicer Portal a
www.sony.com/asp
 for any additional service related issues for this model.)
 
REF. NO.  
PART NO. 
DESCRIPTION 
[ASSEMBLY INCLUDES]
 
REF. NO.  
PART NO. 
DESCRIPTION 
[ASSEMBLY INCLUDES]
 
501 
4-288-557-01 
BEZEL (GF32)
 
502 
4-165-056-01 
PANEL SUPPORT (B)
 
503 
NA 
LCD PANEL
 
 
FOR ALL LCD PANEL AND TCON BOARD PART NUMBER
 
 
INFORMATION REFER TO THE LCD PANELS SERVICE MANUAL
 
504 
4-264-318-01 
BRACKET, SIDE (US) (GW)
 
505 
1-895-018-21 
A BOARD, COMPLETE
 
 
 
(KDL-32BX420 ONLY)
 
 
 
(KDL-32BX421 MX ONLY)
  
AFTER REPLACING THE MAIN BOARD OR THE LCD PANEL, 
 
 
YOU MUST UPDATE THE SOFTWARE TO THE LATEST VERSION.
 
505 
1-895-018-31 
A BOARD, COMPLETE
 
 
 
(KDL-32BX421 US/CND ONLY)
  
AFTER REPLACING THE MAIN BOARD OR THE LCD PANEL, 
 
 
YOU MUST UPDATE THE SOFTWARE TO THE LATEST VERSION.
 
506 
1-474-297-12 
G13 BOARD, COMPLETE
*  507 
4-266-636-01 
BRACKET, VESA (GW32)
 
 
2-580-592-01 
SCREW, +PSW M3X8
 
 
2-580-599-01 
SCREW, +PSW M4X6
505
504
506
503
501
502
A Board
Bracket
Bottom
Frame
507
    
    
FOR THE FOLLOWING SERIAL # RANGES: 
KDL-32BX420/32BX421  3000001 - 5300000
KDL-32BX320/32BX321/32BX420/32BX421/40BX420/40BX421/46BX420/46BX421 47
SECTION 6 - 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. 
KDL-40BX420/40BX421 ONLY
 
FOR THE FOLLOWING SERIAL # RANGES: 
 
KDL-40BX420/40BX421  6000001 - 7400000
A   Remove 4 screws and disconnect 5 connectors from A Board to detach from LCD Panel
B   Release 2 clips and slide-out Side Bracket to detach from A Board
C   Remove 5 screws and disconnect 3 connectors from G14 Board
D   Remove 2 screws from MB Bracket to detach from LCD Panel
E   Remove 3 screws from Bottom Frame to detach from LCD Panel
F   Remove 2 screws from LCD Panel to detach from Bezel
G   Slide-out 2 Panel Brackets to detach from Bezel
H   Carefully lift up LCD Panel to remove from Bezel
A
B
C
H
G
D
E
F
(Check the Sony Authorized Servicer Portal a
www.sony.com/asp
 for any additional service related issues for this model.)
 
REF. NO.  
PART NO. 
DESCRIPTION 
[ASSEMBLY INCLUDES]
 
REF. NO.  
PART NO. 
DESCRIPTION 
[ASSEMBLY INCLUDES]
555
554
556
553
551
552
A Board
Bracket
Bottom
Frame
 
551 
4-270-694-11 
BEZEL (GW40)
 
552 
4-163-795-01 
PANEL SUPPORT (A)
 
553 
NA 
LCD PANEL
 
 
FOR ALL LCD PANEL AND TCON BOARD PART NUMBER
 
 
INFORMATION REFER TO THE LCD PANELS SERVICE MANUAL
 
554 
4-264-318-01 
BRACKET, SIDE (US) (GW)
 
555 
1-857-903-51 
A BOARD, COMPLETE
 
 
 
(KDL-40BX420 ONLY)
 
 
 
(KDL-40BX421 MX ONLY)
  
AFTER REPLACING THE MAIN BOARD OR THE LCD PANEL, 
 
 
YOU MUST UPDATE THE SOFTWARE TO THE LATEST VERSION.
 
555 
1-857-903-61 
A BOARD, COMPLETE
 
 
 
(KDL-40BX421 US/CND ONLY)
  
AFTER REPLACING THE MAIN BOARD OR THE LCD PANEL, 
 
 
YOU MUST UPDATE THE SOFTWARE TO THE LATEST VERSION.
 
556 
1-474-310-11 
G14 BOARD, COMPLETE
 
 
2-580-640-01 
SCREW, +BVTP2 4X16
 
 
2-580-600-01 
SCREW, +PSW M4X8
 
 
2-580-592-01 
SCREW, +PSW M3X8
    
    
FOR THE FOLLOWING SERIAL # RANGES: 
KDL-40BX420/40BX421 
6000001 - 7400000
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