Read Sony KDL-40EX710 / KDL-46EX710 / KDL-55EX710 Service Manual online
KDL-40/46/55EX710(CH)
73
TROUBLE SHOOTING
3-5. NO PICTURE
No Picture
Press HOME Key
XMB (Menu) displayed?
BAL Board
Replace
the LVDS Harness
LCD Panel
(T-con)
Harness
(LVDS)
(LVDS)
Check
BL_ON at JL2566
on the BAL Board
BL_ON:H
BAL Board
Check Harness
(Between G* Board
to BAL Board)
Harness
(G* to BAL)
BL_ON: not H
Change BAL Board
G* Board
NO
YES
NG
OK
NG
OK
NG
OK
PANEL_VCC
At JL3806 on the
BAL Board
G* Board
YES
NO
about 5V ： 22” Model
about 12V : ex. 22” Model
about 12V : ex. 22” Model
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