Read Sony KDL-70X4500 (serv.man2) Service Manual online
KDL-70X4500 (HK) 2-10
Here is trouble shooting flow related Video
Video
problem
problem
All inputs
have
problem?
have
problem?
YES
NO
Digital
/Analog
Channel
Problem ?
Component
Problem?
Problem?
HDMI
Problem ?
Problem ?
Check
LVDS harness
G8/G9 boards
FBA board
Panel Module
CF1 board
LVDS harness
G8/G9 boards
FBA board
Panel Module
CF1 board
NO
NO
Check
FBA board
ACW board
Joint connector
FBA board
ACW board
Joint connector
Check
FBA board
ACW board
Joint connector
FBA board
ACW board
Joint connector
Check
FBA board
ACW board
Joint connector
FBA board
ACW board
Joint connector
YES
YES
YES
NO
NO
Check
FBA board
FBA board
YES
YES
Back Light
turn on?
turn on?
OSD
appear ?
appear ?
NO
Check
LVDS harness
FBA board
CF1 board
LVDS harness
FBA board
CF1 board
VCBS
Problem?
Problem?
Check
ACW board
ACW board
YES
2-8. VIDEO PROBLOM (Chart E)
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