Sony XR-65X95K Service Manual page 54

TROUBLESHOOTING
4.5 No Picture – HDMI 1/2/3/4
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( E.g.: GN4)
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
Go
to
Change Main Board.
OK (Reference TV
OK)
Check the below point
・Check +5V_Power line CL4024/4027/4025/4026
・Check HPD line CL4008/4010/4012/4014
NG
Check (tolerance ±5%)
HDMI1:R4079
Is +5V_Power
HDMI2:R4080
(Spec:4.7~5.3V)
HDMI3:R4081
HDMI4:R4082
OK
NG
Check (tolerance ±5%)
Is HPD
HDMI1:R4059/R4063/R4067
(Spec:2.4~5.3V)
HDMI2:R4060/R4064/R4080
HDMI3:R4061/R4065/R4071
OK
HDMI4:R4062/R4066/R4073
①
Check IC1000
And inform to designer with the
following data. Check CL
+5V line:CL4024/4027/4025/4026
HPD line:CL4008/4010/4012/4014
OK
Resistor
value?
OK
Change B-Board.
NG
Resistor
value?
OK
NG
54
SYS SET