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TROUBLESHOOTING
4.0 No Picture – XR-83A80*
No Picture
Got Any Normal
Display?
Yes
Refer to other part:
Video, Tuner, HDMI
Panel
(T-CON)
No
No
Check Smart Core
Behavior
(Blinking)
Yes
Refer to self diagnosis
Part(flow 2.x)
NG
Replace
the B* board
Symptom
improvement
B* board NG
No
Refer to the flow 1.0
and check the power
supply problem
Symptom
Yes
improvement
Power supply problem
Check around IC413 on BM5S21.
Check
FE_PANEL_PWR_ON(CL445)
BL_ON(CL446)
No
AC_DET_FE_OR_BE(CL447)
EVDD_DET(CL448)
are voltage >3V ? and
TCON_INT_ERR(CL449)
is voltage < 0.5V ?
Yes
Change
IC413
Replace
NG
the V by One FFC
Harness
(CN6800,CN6801)
V by One FFC
Harness
Check
TCON_24_ON(CL451)
No
And
TCON_12_ON(CL452)
are voltage >3V ?
Yes
Panel
(T-CON)
96
SYS SET
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