No Picture - Sony KDL-22CX520 Service Manual

Self Diagnostic Function

3-4. NO PICTURE

3-4-1. (Except HFR Model)
No Picture
Press HOME Key.
XMB（Menu）
displayed?
Yes
B* Board
about 5V ： 22"(WXGA))Model,
about 12V : except 22" "(WXGA)) Model
Check
PANEL_VCC PANEL VCC
Yes Y
No N
at JL6004
on the B* Board
No
G* Board
BL_ON：H
Check
BL_ON at JL6018
on the B* Board
BL_ON：L
Symptom
Replace Harness
improvement
(Between G* Board
to B* Board)
NG
NG
Change B* Board) Ch B* B d)
Symptom
improvement p
B* Board
Segment
-17-
KDL- 22, 32, 40, 46 CX520
NG NG
Replace R l LCD Panel LCD Panel
the LVDS Harness
Symptom
improvement improvement
Harness
(LVDS)
Harness
（G* to B*) )
G* B G* Board d
Size B* Board Type
P-2 22 BAT-S
P-2 P 2 32 32 BAT V BAT-V
P-2 40 BAT-V
P-2 46 BAT-V
RM-GD020, RM-CD013
KDL-32, 40, 46 CX523
RM-GD020
(T-con)
G* Board Type
GD1
G2A G2A
G2B
G3