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Model
KDL-40HX750 KDL-46HX750 KDL-46HX751 KDL-55HX750 KDL-55HX751
Pages
54
Size
2.01 MB
Type
PDF
Document
Service Manual
Brand
Device
TV
File
kdl-40hx750-kdl-46hx750-kdl-46hx751-kdl-55hx750-kd.pdf
Date

Sony KDL-40HX750 / KDL-46HX750 / KDL-46HX751 / KDL-55HX750 / KDL-55HX751 Service Manual ▷ View online

KDL-40HX750/46HX750/46HX751/55HX750/55HX751  
20
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-40HX750/46HX750/46HX751/55HX750/55HX751  
21
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)
CHASSIS ASSEMBLY REMOVAL
NOTE: Refer to
“Handling the LVDS FFC Connector” on page 20
to disconnect the LVDS Connector.
A   Detach the Side Bracket and Bottom Bracket from the BAPS Board.
B   Remove screws and disconnect Connectors from the BAPS Board.
C   Remove screws and disconnect Connectors from GL6/GL7 Board.
D   Slide-out Left and Right Speakers, then disconnect Connectors.
E   Release clips and disconnect the Connector from HL Board.
F   Release clips and disconnect the Connector from HEM3 Board.
G   Lift up the Switch Unit and disconnect the Connector.
H   Remove screws from the Antennas.
I   Remove screws from the Wireless LAN Card.
101
1-458-353-31
WIRELESS LAN CARD
102
1-754-812-11
ANTENNA
(KDL-40HX750 ONLY)
102
1-754-750-11
ANTENNA
(KDL-46HX750/46HX751 ONLY)
102
1-754-751-11
ANTENNA
(KDL-55HX750/55HX751 ONLY)
103
1-754-813-11
ANTENNA
(KDL-40HX750 ONLY)
103
1-754-817-11
ANTENNA
(KDL-46HX750/46HX751 ONLY)
103
1-754-820-11
ANTENNA
(KDL-55HX750/55HX751 ONLY)
104
4-299-495-01
BRACKET, SIDE (MOLD)
     105
A-1868-413-A
BAPS BOARD, COMPLETE
(LA/MX MODELS ONLY)
AFTER
 
REPLACING THE MAIN BOARD, YOU MUST UPDATE  
THE SOFTWARE TO THE LATEST VERSION
 
REF. NO.  
PART NO. 
DESCRIPTION 
[ASSEMBLY INCLUDES]
 
REF. NO.  
PART NO. 
DESCRIPTION 
[ASSEMBLY INCLUDES]
     105
A-1875-754-A
BAPS BOARD, COMPLETE
(US/CND MODELS ONLY)
AFTER
 
REPLACING THE MAIN BOARD, YOU MUST UPDATE  
THE SOFTWARE TO THE LATEST VERSION
106
4-299-499-01
BRACKET, UNDER (MOLD)
107
A-1865-304-A
HL BOARD, MOUNTED
108
1-858-715-11
LOUDSPEAKER (3X15CM)
109
A-1865-308-A
HEM3 BOARD, MOUNTED
110
1-489-983-11
SWITCH UNIT
111
1-474-377-21
GL6 BOARD, COMPLETE
(KDL-40HX750/46HX750/46HX751 ONLY)
111
1-474-376-11
GL7 BOARD, COMPLETE
(KDL-55HX750/55HX751 ONLY)
112
4-297-996-01
SHEET, INSULATION (GL6)
(KDL-40HX750/46HX750/46HX751 ONLY)
ORDER THIS PART WHEN REPLACING THE LCD PANEL
112
4-297-995-01
SHEET, INSULATION (GL7)
(KDL-55HX750/55HX751 ONLY)
ORDER THIS PART WHEN REPLACING THE LCD PANEL
 
2-990-421-41
SCREW (+PSW) (M3X6)
109
107
106
101
102
103
112
111
105
104
108
108
110
F
E
A
I
H
C
B
D
G
KDL-40HX750/46HX750/46HX751/55HX750/55HX751  
22
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)
 
REF. NO.  
PART NO. 
DESCRIPTION 
[ASSEMBLY INCLUDES]
 
REF. NO.  
PART NO. 
DESCRIPTION 
[ASSEMBLY INCLUDES]
LCD PANEL ASSEMBLY REMOVAL
A   Remove screws, then press the Bezel tabs and lift up the Panel Brackets (H).
B   Press the Bezel tabs and tilt up the Panel Brackets (V).
C   Remove the screws and lift up the Bottom Frame.
D   Gently lift up the LCD Panel.
153
4-299-512-01
BRACKET, PANEL (H)
154
4-299-509-01
BRACKET, PANEL (V)
155
4-300-810-01
SHEET, THERMAL (ATREYU)
156
4-262-708-03
CLAMPER, CABLE
157
4-299-522-01
FRAME, BOTTOM (L)
NOTE: THIS PART IN NOT INCLUDED WITH THE LCD PANEL
 
4-159-298-01
SCREW, +PSW M4X10
 
2-580-639-01
SCREW, +BVTP 4X12 TYPE2 IT-3
 
4-256-393-01
SCREW, +PSW M3X6 W12
151
4-414-803-01
BEZEL (40 ZE2) A
(KDL-40HX750 ONLY)
151
4-414-790-01
BEZEL (46 ZE2) A
(KDL-46HX750 ONLY)
151
4-414-790-11
BEZEL (46 ZE2) A
(KDL-46HX751 ONLY)
151
4-414-782-01
BEZEL (55 ZE2) A
(KDL-55HX750 ONLY)
151
4-414-782-11
BEZEL (55 ZE2) A
(KDL-55HX751 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.
Panel Bracket (V)
Bezel tab
Panel Bracket (H)
Bezel tab
D
A
B
C
153
154
151
152
154
157
155
153
156
KDL-40HX750/46HX750/46HX751/55HX750/55HX751  
23
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)
 
REF. NO.  
PART NO. 
DESCRIPTION 
[ASSEMBLY INCLUDES]
 
REF. NO.  
PART NO. 
DESCRIPTION 
[ASSEMBLY INCLUDES]
CONNECTORS
202
1-910-105-84
(LVDS FFC) 3A 40 FLEXIBLE FLAT CABLE 51P
(KDL-40HX750 ONLY)
202
1-910-105-85
(LVDS FFC) 3A 46 FLEXIBLE FLAT CABLE 51P
(KDL-46HX750/46HX751 ONLY)
202
1-910-105-86
(LVDS FFC) 3A 55 FLEXIBLE FLAT CABLE 51P
(KDL-55HX750/55HX751 ONLY)
201
1-910-105-48
3A 40 HARNESS ASSEMBLY
(KDL-40HX750 ONLY)
201
1-910-105-51
3A 46 HARNESS ASSEMBLY
(KDL-46HX750/46HX751 ONLY)
201
1-910-105-54
3A 55 HARNESS ASSEMBLY
(KDL-55HX750/55HX751 ONLY)
201
202
SCREWS
P/N
DESCRIPTION
REMARKS
TOTAL
4-421-427-01
SCREW, +PSW M5X16 LOCK
TABLE-TOP STAND to TV(3), HEAD to NECK(1), BASE to NECK(3)
7
4-159-298-01
SCREW, +PSW M4X10
RC(2), BTM FRM to PNL(5)
7
7-685-648-79
SCREW +BVTP 3X12 TYPE2 IT-3
SIDEJACK(1), UNDERJACK(1), TERMINAL(1), VESA to RC(2)
5
2-580-639-01
SCREW, +BVTP 4X12 TYPE2 IT-3
RC(7), BTM FRM to BZL(2)
9
4-400-043-01
JOINT, SCREW
RC(2)
2
4-256-393-01
SCREW, +PSW M3X6 W12
RC(5), AC(1), PNL BRKTS(2)
8
2-990-421-41
SCREW (+PSW) (M3X6)
BAPS(6), GL6(5), WIFI(2), WIFI ANT(2)
15
P/N
DESCRIPTION
REMARKS
TOTAL
4-421-427-01
SCREW, +PSW M5X16 LOCK
TABLE-TOP STAND to TV(3), HEAD to NECK(1), BASE to NECK(3)
7
4-159-298-01
SCREW, +PSW M4X10
RC(2), BTM FRM to PNL(5)
7
7-685-648-79
SCREW +BVTP 3X12 TYPE2 IT-3
SIDEJACK(1), UNDERJACK(1), TERMINAL(1), VESA to RC(2)
5
2-580-639-01
SCREW, +BVTP 4X12 TYPE2 IT-3
RC(7), BTM FRM to BZL(2)
9
4-400-043-01
JOINT, SCREW
RC(2)
2
4-256-393-01
SCREW, +PSW M3X6 W12
RC(7), AC(1), PNL BRKTS(2)
10
2-990-421-41
SCREW (+PSW) (M3X6)
BAPS(6), GL6(5), WIFI(2), WIFI ANT(2)
15
P/N
DESCRIPTION
REMARKS
TOTAL
4-421-427-01
SCREW, +PSW M5X16 LOCK
TABLE-TOP STAND to TV(3), HEAD to NECK(1), BASE to NECK(3)
7
4-159-298-01
SCREW, +PSW M4X10
RC(2), BTM FRM to PNL(5)
7
7-685-648-79
SCREW +BVTP 3X12 TYPE2 IT-3
SIDEJACK(1), UNDERJACK(1), TERMINAL(1), VESA to RC(2)
5
2-580-639-01
SCREW, +BVTP 4X12 TYPE2 IT-3
RC(7), BTM FRM to BZL(2)
9
4-400-043-01
JOINT, SCREW
RC(2)
2
4-256-393-01
SCREW, +PSW M3X6 W12
RC(7), AC(1), PNL BRKTS(2)
10
2-990-421-41
SCREW (+PSW) (M3X6)
BAPS(6), GL7(5), WIFI(2), WIFI ANT(2)
15
KDL-55HX750/55HX751
KDL-46HX750/46HX751
KDL-40HX750
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