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
PREV: Sony KDL-40Z4500 / KDL-46Z4500 / KDL-52Z4500 (serv.man4) Service Manual

Sony KDL-70X4500 (serv.man3) Service Manual ▷ View online

KDL-70X4500 (K)     2-8
7) B alancer Error (R ED 13 tim es blink )
This indicates Inverter board error of panel module.
BE micro pin163 on FBU board detects it.
BE Micro pin163    Normal condition : High / Error case : Low
Check harness connection between CN 9700, 9701 on CF1 board and panel module.
6) FAN  Error (R ED 9 tim es blink )
This indicates  FAN error. (except 40 inch model)
BE micro pin154 on FBU board detects it.
BE Micro pin154   Normal condition : Low / Error case : High
   - Check the harnessconnection of FAN.
   - Check the Voltage at CN1301 on AU board. ( Low = Error , High = Normal)
Replace the FAN. 
KDL-70X4500 (K)     2-9
2-2-4. AUDIO PROBLEM (Chart D)
Here is trouble shooting flow related audio
Audio
problem
Only 
Speaker out? 
YES
NO
UI setting
correct?
Volume, SP off/On
HP Link 
Analog
Channel
Problem ?
Digital
Channel
Problem?
HDMI
Problem ?
Set correctly or
reset by menu.
Check 
Speaker
AU board
NO
YES
NO
NO
Check
FBU board
AU board
Joint connector 
Check
AU board
Check
FBU board
AU board
Joint connector
YES
YES
YES
NO
Check
AU board
KDL-70X4500 (K)     2-10
2-2-5. VIDEO PROBLOM (Chart E)
Here is trouble shooting flow related Video
Video
problem
All inputs
have
problem?
YES
NO
Digital
/Analog
Channel
Problem ?
Component
Problem?
HDMI
Problem ?
Check
LVDS harness
G8/G9 boards
FBU board
Panel Module
CF1 board
NO
NO
Check
FBU board
AU board
Joint connector
Check
FBU board
AU board
Joint connector
Check
FBU board
AU board
Joint connector
YES
YES
YES
NO
NO
Check
FBU board
YES
YES
Back Light
turn on?
OSD
appear ?
NO
Check
LVDS harness
FBU board
CF1 board
VCBS
Problem?
Check
AU board
YES
KDL-70X4500 (K)     2-11
No Picture
Power-ON_LED
Light 
STBY_3.3V
OK?
G8 board has problem.
Change G8 board.
No
No
Yes
Yes
STBY_LED
Blinking?
Yes
2 times
blinking
6 times
blinking
Yes
Yes
No
No
Signal board has problem.
Check signal-board.
G8 board has problem.
Change G8 board.
No
Signal board has problem.
Check signal-board.
AC_OFF_DET
more than 3V
Yes
G8 board has problem.
Change G8 board.
No
G8 board 
CN6402 9pin
more than 3V
Yes
Signal board has problem.
Check signal-board.
No
G8 board has problem.
Change G8 board.
G8 board
CN6402 1-4pin
=12
±
1V
Signal board has problem.
Check AU board.
Yes
No
2-2-6. NO PICTURE
to 
G9 board check
Power-ON
F2 board 
F6000, F6001
FUSE CHECK
Yes
F2 board has problem.
Change F2 board.
No
Page of 36
Display

Click on the first or last page to see other KDL-70X4500 (serv.man3) service manuals if exist.

RANDOM: