Read Sony KDL-22PX300 Service Manual online
KDL-22PX300(AEP/UK/RUSSIA)
39
TROUBLE SHOOTING
No Picture
Press HOME Key
XMB (Menu) displayed?
BAL Board
Replace
the LVDS Harness
LCD Panel
(T-con)
Harness
(LVDS)
Check
BL_ON at JL2566
on the BAL Board
BL_ON:H
BAL Board
Check Harness
(Between GD1 Board
to BAL Board)
Harness
(GD1 to BAL)
BL_ON: not H
Change BAL Board
GD1 Board
NO
YES
NG
OK
NG
OK
NG
OK
PANEL_VCC
At JL3806 on the
BAL Board
GD1 Board
YES
NO
about 5V ： 22” Model
about 12V : ex. 22” Model
about 12V : ex. 22” Model
3-5-2. TV SIDE
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