Sony BRAVIA KD-43X720E User manual

GN3UNCHASSIS
Segment: KC - America
Version Date Subject
1 05/2017 1st Issue
2 06/2017 Add 49in , 55in and 65in model information
LCD TV
HISTORY INFORMATION FOR THE FOLLOWING MANUAL:
SERVICE MANUAL (UNIQUE)
9-888-733-A2
For SM - Common , please refer :
9-888-733-0X

LCD TV
SERVICE MANUAL (UNIQUE)
GN3UNCHASSIS
Segment: KC - America

MODEL LIST
MODEL REMOTE DESTINATION
KD-43X720E RMT-TX300U UC2, LA1
KD-43X727E RMT-TX300B CO1
KD
-49X700E
RMT
-TX300U
LA1
KD
-49X705E
RMT
-TX300B
BR6
KD
-49X706E
RMT
-TX300U
LA8
KD
-49X720E
RMT
-TX300U
UC2, LA1
KD
-49X725E
RMT
-TX300B LA8, ECU, AR4
KD
-49X727E
RMT
-TX300B
CO1
MODEL REMOTE DESTINATION
KD
-55X700E
RMT
-TX300U
LA1
KD
-55X705E
RMT
-TX300B
BR6
KD
-55X706E
RMT
-TX300B
LA8
KD
-55X720E
RMT
-TX300U
UC2, LA1
KD
-55X725E
RMT
-TX300B
AR4 , ECU, LA8,
KD
-55X727E
RMT
-TX300B
CO1
KD-65X725E RMT-TX300B ECU, LA8, AR4
KD-65X727E RMT-TX300B CO1

Section Title Page
1. SAFETY NOTES
1-1. How to RemoveRear Cover
..………………………...…..
5
2. DIAGRAMS
2-1. Circuit Board
Location…..……………………...……………..
11
2-2. WireDressing………………………………………………….
12
3. DISASSEMBLY,EXPLODED VIEWSAND OTHER PARTS
3-1. KD-43X7*E………….………………………………………….
41
3-2. KD-49X7*E ……………………………………………….……
47
3-3. KD-55X7*E ……………………………………………….……
53
3-4. KD-65X7*E ……………………………………………….……
60
4
TABLE OF CONTENTS
Please refer Service Manual – Common for below information :
General Safety Notes
Self Diagnostic Function
Triage Chart
Troubleshooting,Troubleshootingreference
Adjustments
Diagrams : Block Diagram , Connector Diagram
Note: Pictures provided in all this section might have slight difference from the
actual sets

Rear Cover Disassemble Method & Caution Notes
SECTION 1
DISSASSEMBLY AND REMOVAL CAUTION
5
After repairing complete, please insert back Dummy Card
For EU model only
Pull out Dummy Card
Dummy card dismantle guide (before removing Rear Cover (RC))
65”
43” , 49” 55”

6
Reference 43” 49” 55” Remarks
13 14
17 4-167-019-22
SCREW, +PSW M3X8
2 2 2 7-685-647-79
SCREW +BVTP 3X10 TYPE2 IT-3
*Rear cover can be dissembled without detach stand
*Removed AC COVER and AC CORD – only for 55”
Step1 : Ensure all screws are removed.
Screw type and quantity to dissemble RC
Step2 : Take out the rear cover
43” , 49” 55”

7
Step1 : Ensure all screws are removed. Step2 : Take out the rear cover
Reference 65” Remarks
13 4-579-926-01
SCREW, M3X3.0 STEP
4 7-685-647-79 SCREW +BVTP 3X10 TYPE2
IT-3
4 4-268-126-02
SCREW, ORNAMENTAL M6X12
Screw type and quantity to dissemble RC
*Rear cover can be dissembled without detach stand
*Removed AC COVER and AC CORD – only for 65”
65”

8
Sharp Edge Information
Sharp edge corner
Cautionpoint:
Please wear glove while removing rear cover to avoid
sharp edge at bottom area as shown in figure below.
Cautionpoint:
Please wear glove while removing rear cover to avoid
sharp edge at bottom area as shown in figure below.
Sharp edge area
65”
43” , 49” 55”
65”
43” , 49” 55”

Disassemble Smart Core From Set
1. Remove screw in red box 2. Remove harness
Smart Core Structure
FRONT VIEW
BACK VIEW
CASE,
BOTTOM
H board
PANEL,
ORNAMENT
LIGHT,
GUIDE
COVER,
TOP

Pull up the cover top by the following order
①②
Pull up
Disassemble Cover Top
Disassemble Panel Ornament
Pick up Panel Ornament
Disassemble Guide Light
Hold this area and pick up H board
Disassemble H Board
Pull out with index finger

11
2-1.CIRCUIT BOARD LOCATION
SECTION 2
DIAGRAMS
2-1-1. 43” 2-2-2. 49”
SWITCH
UNIT
UNIVERSAL SIL-TU
BB8 BOARD
LD1 BOARD CARD, WIRELESS LAN
SWITCH
UNIT
UNIVERSAL SIL-TU
BB8 BOARD
LD1 BOARD CARD, WIRELESS LAN
2-1-3. 55” 2-2-4. 65”
SWITCH
UNIT
UNIVERSAL SIL-TU
BB8 BOARD
LD1 BOARD CARD, WIRELESS LAN SWITCH
UNIT
UNIVERSAL SIL-TU
BB8 BOARD
LD1 BOARD CARD, WIRELESS LAN

12
2-2. Wire Dressing
UNIVERSALSIL-TU INFORMATION UNIVERSALSIL-TU INFORMATION1
UNIVERSALSIL-TU INFORMATION2 UNIVERSALSIL-TU INFORMATION3

13
2-2. Wire Dressing
UNIVERSALSIL-TU INFORMATION4 UNIVERSALSIL-TU INFORMATION5
UNIVERSALSIL-TU INFORMATION6 UNIVERSALSIL-TU INFORMATION7

14
2-2. Wire Dressing
UNIVERSALSIL-TU INFORMATION9
UNIVERSALSIL-TU INFORMATION8
UNIVERSALSIL-TU INFORMATION10 UNIVERSALSIL-TU INFORMATION11

15
2-2. Wire Dressing
UNIVERSALSIL-TU INFORMATION12 UNIVERSALSIL-TU INFORMATION13
INSERT CONNECTOR ( 43” 49” 55” ) INSERT CONNECTOR (65’ ONLY)

16
2-2. Wire Dressing
FLEXIBLE FLAT CABLE 51P INSERT CONNECTOR INFORMATION
INSERT CONNECTOR

2-2. Wire Dressing
INSERT CONNECTOR INFORMATION1 INSERT CONNECTOR INFORMATION2
INSERT CONNECTOR INFORMATION3
17

2-2. Wire Dressing
INSERT CONNECTOR INFORMATION
TAPE
INSERT CONNECTOR
18

2-2. Wire Dressing
CONNECTOR ASSY 30P INSERT CONNECTOR
INSERT CONNECTOR WIREDRESSING
19

2-2. Wire Dressing
FLEXIBLE FLAT CABLE 5P INSERT CONNECTOR INFORMATION
INSERT CONNECTOR INSERT CONNECTOR INFORMATION
20