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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 48
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. 
 
FOR THE FOLLOWING SERIAL # RANGES: 
 
KDL-40BX420/40BX421  3000001 - 5500000
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]
605
604
606
603
601
602
A Board
Bracket
Bottom
Frame
 
601 
4-288-559-01 
BEZEL (GF40)
 
602 
4-163-795-01 
PANEL SUPPORT (A)
 
603 
NA 
LCD PANEL
 
 
FOR ALL LCD PANEL AND TCON BOARD PART NUMBER
 
 
INFORMATION REFER TO THE LCD PANELS SERVICE MANUAL
 
604 
4-264-318-01 
BRACKET, SIDE (US) (GW)
 
605 
1-895-018-21 
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.
 
605 
1-895-018-31 
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.
 
606 
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 
3000001 - 5500000
KDL-32BX320/32BX321/32BX420/32BX421/40BX420/40BX421/46BX420/46BX421 49
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-46BX420/46BX421 ONLY
 
FOR THE FOLLOWING SERIAL # RANGES: 
 
KDL-46BX420/46BX421  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 G3 Board
D   Remove 2 screws from MB Bracket to detach from LCD Panel
E   Remove 2 screws from Bottom Frame to detach from LCD Panel
F   Remove 3 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]
655
654
656
653
651
652
A Board
Bracket
Bottom
Frame
 
651 
4-270-696-11 
BEZEL (GW46)
 
 
 
(ALL EXCEPT KDL-46BX421 MX)
 
651 
4-270-696-21 
BEZEL (GW46)
 
 
 
(KDL-46BX421 MX ONLY)
 
652 
4-163-795-01 
PANEL SUPPORT (A)
 
653 
NA 
LCD PANEL
 
 
FOR ALL LCD PANEL AND TCON BOARD PART NUMBER
 
 
INFORMATION REFER TO THE LCD PANELS SERVICE MANUAL
 
654 
4-264-318-01 
BRACKET, SIDE (US) (GW)
 
655 
1-857-903-51 
A BOARD, COMPLETE
 
 
 
(KDL-46BX420 ONLY)
  
AFTER REPLACING THE MAIN BOARD OR THE LCD PANEL, 
 
 
YOU MUST UPDATE THE SOFTWARE TO THE LATEST VERSION.
 
655 
1-857-903-61 
A BOARD, COMPLETE
 
 
 
(KDL-46BX421 ONLY)
  
AFTER REPLACING THE MAIN BOARD OR THE LCD PANEL, 
 
 
YOU MUST UPDATE THE SOFTWARE TO THE LATEST VERSION.
 
656 
1-474-296-11 
G3 BOARD, COMPLETE
 
 
2-580-640-01 
SCREW, +BVTP2 4X16
 
 
2-580-592-01 
SCREW, +PSW M3X8
 
 
4-159-298-01 
SCREW, +PSW M4X10
    
    
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.
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 to proper ventilation. 
provided on the package.
FOR THE FOLLOWING SERIAL # RANGES: 
KDL-46BX420/46BX421  6000001 - 7400000
KDL-32BX320/32BX321/32BX420/32BX421/40BX420/40BX421/46BX420/46BX421 50
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. 
 
701 
1-910-103-38 
(LVDS) CONNECTOR ASSEMBLY 32  
51P
 
 
 
(KDL-32BX320/32BX321 ONLY)
 
701 
1-910-103-41 
(LVDS) CONNECTOR ASSEMBLY 32  
51P    
 
 
 
(KDL-32BX420/32BX421 ONLY) (FOR CMO PANEL)
 
701 
1-910-103-42 
(LVDS) CONNECTOR ASSEMBLY 32  
51P
 
 
 
(KDL-32BX420/32BX421 ONLY) (FOR S-LCD PANEL)
SCREW LEGEND
P/N
DESCRIPTION
REMARKS
TOTAL
2-580-608-01
SCREW, +PSW M5X16
TABLE-TOP STAND(4)
4
7-685-647-79
SCREW, +BVTP2 3X12
SPKR-L(2), SPKR-R(2)
4
7-685-648-79
SCREW, +BVTP 3X12 TYPE2 IT-3
RC to TRMNL AREA(1), RC to SIDE BRKT(1)
2
2-580-640-01
SCREW, +BVTP2 4X16
RC(9), SPKR BRKT-L(1), SPKR BRKT-R(1), MB BRKTS to BEZ(2)
13
2-580-595-01
SCREW, +PSW M3X12
RC to PNL TOP CNTR(2)
2
2-580-600-01
SCREW, +PSW M4X8
UNDR CVR(1)
1
2-580-592-01
SCREW, +PSW M3X8
A BOARD(4), G13 BOARD(4)
8
2-580-599-01
SCREW, +PSW M4X6
VESA BRKTS(2), BTM FRM(2), TOP FRM(2), PSU BRKTS(4), MB BRKTS to PSU BRKT-L(2)
12
4-159-298-01
SCREW, +PSW M4X10
NOT IN THIS MODEL
0
P/N
DESCRIPTION
REMARKS
TOTAL
2-580-608-01
SCREW, +PSW M5X16
TABLE-TOP STAND(4)
4
7-685-647-79
SCREW, +BVTP2 3X12
SPKR-L(2), SPKR-R(2)
4
7-685-648-79
SCREW, +BVTP 3X12 TYPE2 IT-3
RC to TRMNL AREA(1), RC to SIDE BRKT(1)
2
2-580-640-01
SCREW, +BVTP2 4X16
RC(9), SPKR BRKT-L(1), SPKR BRKT-R(1)
11
2-580-595-01
SCREW, +PSW M3X12
RC to PNL TOP CNTR(2)
2
2-580-600-01
SCREW, +PSW M4X8
UNDR CVR(1), VESA BRKTS(2), BTM FRM(2), PSU BRKT-R(2), PSU BRKT-L to BTM FRM(1)
8
2-580-592-01
SCREW, +PSW M3X8
A BOARD(4), G13 BOARD(4), PSU BRKT-L to PNL(1), MB BRKT to PNL(2)
11
2-580-599-01
SCREW, +PSW M4X6
NOT IN THIS MODEL
0
4-159-298-01
SCREW, +PSW M4X10
NOT IN THIS MODEL
0
P/N
DESCRIPTION
REMARKS
TOTAL
2-580-608-01
SCREW, +PSW M5X16
TABLE-TOP STAND(4)
4
7-685-647-79
SCREW, +BVTP2 3X12
SPKR-L(2), SPKR-R(2)
4
7-685-648-79
SCREW, +BVTP 3X12 TYPE2 IT-3
RC to TRMNL AREA(1), RC to SIDE BRKT(1)
2
2-580-640-01
SCREW, +BVTP2 4X16
RC(9), SPKR BRKT-L(1), SPKR BRKT-R(1)
11
2-580-595-01
SCREW, +PSW M3X12
RC to PNL TOP CNTR(2)
2
2-580-600-01
SCREW, +PSW M4X8
UNDR CVR(1)
1
2-580-592-01
SCREW, +PSW M3X8
A BOARD(4), G13 BOARD(4), MB BRKT to PANEL(2)
10
2-580-599-01
SCREW, +PSW M4X6
VESA BRKTS(2), BTM FRM(2)
4
4-159-298-01
SCREW, +PSW M4X10
NOT IN THIS MODEL
0
P/N
DESCRIPTION
REMARKS
TOTAL
2-580-608-01
SCREW, +PSW M5X16
TABLE-TOP STAND(4)
4
7-685-647-79
SCREW, +BVTP2 3X12
SPKR-L(2), SPKR-R(2)
4
7-685-648-79
SCREW, +BVTP 3X12 TYPE2 IT-3
RC to TRMNL AREA(1), RC to SIDE BRKT(1)
2
2-580-640-01
SCREW, +BVTP2 4X16
RC(7), SPKR BRKT-L(1), SPKR BRKT-R(1), PNL to BEZ(2)
11
2-580-595-01
SCREW, +PSW M3X12
NOT IN THIS MODEL
0
2-580-600-01
SCREW, +PSW M4X8
BTM FRM(3)
3
2-580-592-01
SCREW, +PSW M3X8
A BOARD(4), G14 BOARD(5), MB BRKT to PNL(2)
11
2-580-599-01
SCREW, +PSW M4X6
NOT IN THIS MODEL
0
4-159-298-01
SCREW, +PSW M4X10
RC(4), UNDR CVR(1)
5
P/N
DESCRIPTION
REMARKS
TOTAL
2-580-608-01
SCREW, +PSW M5X16
TABLE-TOP STAND(4)
4
7-685-647-79
SCREW, +BVTP2 3X12
SPKR-L(2), SPKR-R(2)
4
7-685-648-79
SCREW, +BVTP 3X12 TYPE2 IT-3
RC to TRMNL AREA(1), RC to SIDE BRKT(1)
2
2-580-640-01
SCREW, +BVTP2 4X16
RC(8), SPKR BRKT-L(1), SPKR BRKT-R(1), PNL to BEZ(3)
13
2-580-595-01
SCREW, +PSW M3X12
NOT IN THIS MODEL
0
2-580-600-01
SCREW, +PSW M4X8
NOT IN THIS MODEL
0
2-580-592-01
SCREW, +PSW M3X8
A BOARD(4), G3 BOARD(5), MB BRKT to PNL(2)
11
2-580-599-01
SCREW, +PSW M4X6
NOT IN THIS MODEL
0
4-159-298-01
SCREW, +PSW M4X10
RC(4), BTM FRM(2), UNDR CVR(1)
7
KDL-32BX320 (SERIAL NO. RANGE 6000001-7400000)/32BX321 (SERIAL NO. RANGE 7100000-7400000)
KDL-40BX420/40BX421 (ALL SERIAL NUMBER RANGES)
KDL-46BX420/46BX421 (ALL SERIAL NUMBER RANGES)
KDL-32BX420/32BX421 (ALL SERIAL NUMBER RANGES)
KDL-32BX320 (SERIAL NO. RANGE 3000001-3800000 and 5000001-5500000)/32BX321 (SERIAL NO. RANGE 5000001-5500000)
SP
SP
A
G13
TCON
INV
H
SWITCH UNI
T
701
 
REF. NO.  
PART NO. 
DESCRIPTION 
[ASSEMBLY INCLUDES]
 
REF. NO.  
PART NO. 
DESCRIPTION 
[ASSEMBLY INCLUDES]
CONNECTORS
KDL-32BX320/32BX321/32BX420/32BX421 ONLY
(Check the Sony Authorized Servicer Portal a
www.sony.com/asp
 for any additional service related issues for this model.)
 
FOR THE FOLLOWING SERIAL # RANGES: 
 
KDL-32BX320/32BX321  6000001 - 7400000 
 
KDL-32BX420/32BX421  6000001 - 7200000
KDL-32BX320/32BX321/32BX420/32BX421/40BX420/40BX421/46BX420/46BX421 51
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. 
 
751 
1-910-104-57 
(LVDS) CONNECTOR ASSEMBLY 32W 51P
 
 
 
(KDL-32BX320/32BX321 ONLY)
 
751 
1-910-104-58 
(LVDS) CONNECTOR ASSEMBLY 32F 51P
 
 
 
(KDL-32BX420/32BX421 ONLY)
SP
SP
A
G13
TCON
INV
H
SWITCH UNI
T
751
SP
SP
A
G14
INV
H
SWITCH UNI
T
801
 
REF. NO.  
PART NO. 
DESCRIPTION 
[ASSEMBLY INCLUDES]
 
REF. NO.  
PART NO. 
DESCRIPTION 
[ASSEMBLY INCLUDES]
 
REF. NO.  
PART NO. 
DESCRIPTION 
[ASSEMBLY INCLUDES]
 
REF. NO.  
PART NO. 
DESCRIPTION 
[ASSEMBLY INCLUDES]
 
801 
NA 
(LVDS) CONNECTOR ASSEMBLY 40 51P
 
 
FOR ALL LVDS CONNECTOR PART NUMBER INFORMATION  
 
 
REFER TO THE LCD PANELS SERVICE MANUAL
 
FOR THE FOLLOWING SERIAL # RANGES: 
 
KDL-32BX320/32BX321  3000001 - 5500000 
 
KDL-32BX420/32BX421  3000001 - 5300000
(Check the Sony Authorized Servicer Portal a
www.sony.com/asp
 for any additional service related issues for this model.)
KDL-40BX420/40BX421 ONLY
 
FOR THE FOLLOWING SERIAL # RANGES: 
 
KDL-40BX420/40BX421  6000001 - 7400000
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