61
4.5 No Picture – HDMI 1/2/3/4
NG
NG
No Picture
Check other
HDMI input
All Inputs NG
Check Picture by other TV set
which is same (or similar) model.
NG
(Reference TV set NG)
Check Source equipment
by Reference TV set
(For example, GN4)
Check the below point
・
Check +5V_Power line CL4024/4027/4025/4026
・
Check HPD line CL4008/4010/4012/4014
Check (tolerance
±
5%)
HDMI1:R4079
HDMI2:R4080
HDMI3:R4081
HDMI4:R4082
Check the settings of
Source equipment,cable
NG
(Target and other TV both NG)
Is using HDMI splitter ?
NO
YES
Connect Source
equipment directly
OK (Reference TV OK)
Check IC1000
Change Main Board.
Check IC1000
And inform to designer
w
ith the following data.
Check CL
+5V line:CL4024/4027/4025/4026
HPD line:CL4008/4010/4012/4014
Check HDMI cable
OK
NG
Change HDMI cable
Go to
+5V_Power OK?
(Spec:4.7~5.3V)
HPD OK?
(Spec:2.4~5.3V)
Change Main Board.
OK
OK
OK
Resistor value OK?
Check (tolerance
±
5%)
HDMI1:R4059/R4063/R4067
HDMI2:R4060/R4064/R4080
HDMI3:R4061/R4065/R4071
HDMI4:R4062/R4066/R4073
Resistor value OK?
OK (Other Input is OK)
OK (Other TV is OK)
①
①
OK
NG
NG
T R O U B L E S H O O T I N G
SAFETY NOTES
SELF DIAGNOSTIC FUNCTION
TROUBLESHOOTING
SERVICE ADJUSTMENT
DIAGRAM
HANDLING GUIDE
61
SYS SET
2021/02/04 23:38:48 (GMT+09:00)