DOWNLOAD Sony KDL-70X4500 (serv.man3) Service Manual ↓ Size: 2.62 MB | Pages: 36 in PDF or view online for FREE

Model
KDL-70X4500 (serv.man3)
Pages
36
Size
2.62 MB
Type
PDF
Document
Service Manual
Brand
Device
TV
File
kdl-70x4500-sm3.pdf
Date
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Sony KDL-70X4500 (serv.man3) Service Manual ▷ View online

KDL-70X4500 (K)     1-5E
1-9. H3VM BOARD, H4 BOARD AND LOUDSPEAKER REMOVAL
1-10. LCD PANEL REMOVAL
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
 H4 board
qj
 H3VM board
qk
 LED bracket
qh
 Light guide
qs
 Grille assy
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
KDL-70X4500 (K)     2-1
SECTION 2
TROUBLESHOOTING
2-1. TRIAGE CHART
Reference
Symptoms - (dead set)
Video - distorted or missing
2
5
6
7
8
9
13
No Video
No Video
No Video
No Tuner
Blinks
Blinks
Blinks
Blinks
Blinks
Blinks
Blinks
No Power
BL OK
No BL
BL OK
Video OK
No HDMI No Audio
OSD OK
  No OSD
AU Board
FBU Board
CF1 Board
G8/G9 Board
F2 Board
Panel Module
LVDS cable between FBU Board
and CB1 Board
Joint connector of AU Board and
FBU 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
KDL-70X4500 (K)     2-2
Trouble
YES
Set Power
NO
Self diagnosis
See
2-2-1. No Power
    
(Chart B)
YES
See
2-2-3. Self Diagnosis
    
(Chart C)
NO
See
2-2-4. Audio Problem
    
(Chart D)
See
2-2-5. Video problem
    
(Chart E)
Audio
Video
YES
Set Reboots
-
NO
See
2-2-2. Set Reboots
2-2. FLOW CHART
KDL-70X4500 (K)     2-3
2-2-1. NO POWER (Chart B)
YES
No RED LED
Blinks
NO
5VDC
CN4002 7pin
on FBU board
See  
RED BLINKS
(Chart C)
NO
G8 board
(No STBY5V)
YES
NO
110-240VAC
CN6000 on
G8 board
YES
AC cable or AC inlet
No Power
(No relay clicks)
YES
Power key
doesn’t work
NO
H1VM board
AU board
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