DOWNLOAD Sony KDL-70X4500 / KLV-70X450A Service Manual ↓ Size: 2.76 MB | Pages: 39 in PDF or view online for FREE

Model
KDL-70X4500 KLV-70X450A
Pages
39
Size
2.76 MB
Type
PDF
Document
Service Manual
Brand
Device
TV
File
kdl-70x4500-klv-70x450a.pdf
Date
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Sony KDL-70X4500 / KLV-70X450A Service Manual ▷ View online

KLV-70X450A (E), KDL-70X4500 (NZ, ES)     1-5
1-9. D.C. FAN AND SPINE FRAME REMOVAL
1-10. H3VM BOARD, H4 BOARD AND LOUDSPEAKER REMOVAL
2
 Fan bracket
6
 Six screws
   (+PSW M5x8)
8
 Six screws
    (+PSW M5x8)
1
 One screw
   (+PSW M5X8)
1
 One screw
   (+PSW M5X8)
3
 D.C. fan
4
 Fan cushion
4
 Fan cushion
4
 Fan cushion
5
 Fan plate
7
 Spine frame 
     assy
9
 Spine frame 
     assy
1
 One screw
   (+BV 3X12)
3
 One screw
   (+BV 3X12)
0
 One screw
   (+BV 3X12)
8
 One screw
   (+BV 3X12)
6
 Six screws
   (+BVTP2 4X16)
qd
 Six screws
   (+BVTP2 4X16)
5
 Grille assy
7
 Loudspeaker
qf
 Loudspeaker
4
 Cabinet cover L assy
qa
 Cabinet cover
      R assy
2
 Cover
9
 Cover
qg
 Illumination 
     module
qh
 Touch holder
qk
 Touch sheet
qj
 Touch sensor module
ql
 H4 board
wa
 H3VM board
ws
 LED bracket
w;
 Light guide
qs
 Grille assy
KLV-70X450A (E), KDL-70X4500 (NZ, ES)     1-6E
1-11. LCD PANEL REMOVAL
2
 Two screws
   (+BVTP2 4X16)
5
 Two screws
   (+BVTP2 4X16)
qa
 Two screws
   (+BVTP2 4X16)
7
 Two screws
   (+BVTP2 4X16)
0
 Two screws
   (+PSW M5X8)
8
 Two screws
   (+PSW M5X8)
3
 Side frame
qs
 Top frame
1
 Two screw
   (+PSW M5X8)
4
 Three screws
   (+PSW M5X8)
6
 Side frame
9
 Top frame
qd
 LCD panel
Bezel assy
KLV-70X450A (E), KDL-70X4500 (NZ, ES)     2-1
SECTION 2
TROUBLESHOOTING
2-1. TRIAGE CHART
Symptoms - (dead set)
Video - distorted or missing
2
5
6
7
8
9
13
No
No Video
No Video
No Video
No Tuner
No
                     Reference
Blinks
Blinks
Blinks
Blinks
Blinks
Blinks
Blinks
Power
BL OK
No BL
BL OK
Video
No HDMI
Audio
OSD OK
No OSD
OK
AAS / AGA  Board
FBA Board
K2 Board
G8 / G9 Board
F2 Board
Panel Module
LVDS cable between FBA Board
and CF1 Board
Joint connector of AAS / AGA
Board and FBA Board
Flowchart Reference
C
C
C
C
C
C
C
B
E
E
E
E
E
D
Problem
Low B+ T-CON
BL
Temp
Audio
FAN
Balancer
: Doubtful part
: just a few possibility
KLV-70X450A (E), KDL-70X4500 (NZ, ES)     2-2
2-2. TROUBLE SHOOTING FLOW CHART
Trouble
YES
Set Power
NO
Self diagnosis
YES
NO
See
2-6. Audio Problem
    
(Chart D)
See
2-7. Video problem
    
(Chart E)
Audio
Video
YES
Set Reboots
-
NO
See
2-3. No Power
    
(Chart B)
See
2-5. Self Diagnosis
    
(Chart C)
See
2-4. Set Reboots
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