Sony XR-65X95K Service Manual page 59

2022/03/30 00:15:03 (GMT+09:00)
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
SAFETY NOTES
①
Change HDMI cable
NG
OK (Other Input is OK)
Check IC1000
OK (Other TV is OK)
Connect Source
equipment directly
YES
Change Main Board.
OK (Reference TV OK)
SELF DIAGNOSIS FUNCTION TROUBLESHOOTING
Check the below point
・Check +5V_Power line CL4024/4027/4025/4026
・Check HPD line CL4008/4010/4012/4014
NG
Is +5V_Power
(Spec:4.7~5.3V)
OK
NG
Is HPD
(Spec:2.4~5.3V)
OK
①
Check IC1000
Go to
And inform to designer with the
following data. Check CL
+5V line:CL4024/4027/4025/4026
HPD line:CL4008/4010/4012/4014
SERVICE ADJUSTMENT
Check (tolerance ±5%)
OK
HDMI1:R4079
HDMI2:R4080
HDMI3:R4081
HDMI4:R4082
Check (tolerance ±5%)
HDMI1:R4059/R4063/R4067
Resistor
HDMI2:R4060/R4064/R4080
value?
HDMI3:R4061/R4065/R4071
HDMI4:R4062/R4066/R4073
Change Main Board.
DIAGRAM
NG
Resistor
value?
OK
NG
OK
59
HANDLING GUIDE
SYS SET