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TROUBLESHOOTING
4.5 No Picture: HDMI 1/2/3/4 – XR-83A80*
No Picture
Check HDMIcable
OK
Check other
HDMI input
All Inputs NG
Check Picture by
other TV set which is same
(or similar) model
.
NG
(Target and other TV both
NG)
Is using HDMI splitter ?
NO
Check
Source equipment by
Reference TV set
(For example, GN4)
OK (Reference TV OK)
NG
(Reference TV set NG)
Check the settings of
Source equipment
,cable
①
Change HDMI cable
NG
OK (Other Input is OK)
Check IC1000
OK (Other TV is OK)
Connect Source
equipment directly
YES
Change B-Board.
・Check +5V_Power line CL4024/4027/4025/4026
・Check HPD line CL4008/4010/4012/4014
+5V_Power OK?
(Spec:4.7~5.3V)
OK
HPD OK?
(Spec:2.4~5.3V)
OK
①
Go to
Check IC1000
And inform to designer with the following
data.
Check CL +5V line:CL4024/4027/4025/4026
HPD line:CL4008/4010/4012/4014
Check the below point
Check (tolerance ±5%)
NG
HDMI1:R4079
HDMI2:R4080
HDMI3:R4081
HDMI4:R4082
NG
Check (tolerance ±5%)
HDMI1:R4059/R4063/R4067
HDMI2:R4060/R4064/R4069
HDMI3:R4061/R4065/R4071
HDMI4:R4062/R4066/R4073
Change B-Board.
Resistor
value OK?
OK
NG
Resistor
value OK
?
NG
OK
123
SYS SET
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