Hisense LHD32D33EU - Function Troubleshooting (YPBPR;CVBS No Signal)

5.3.11. Function Troubleshooting (YPBPR or CVBS no signal)
No signal
Chec
k
if the signal cable is right? an
d
single output equipment setup right?
N
Correct setup equipment
，
or change signal cable
Y
Chec
k
RI1
、
RI2
、
RI3
/RI31
、
RI32
、
RI33?
N
Repai
r
RI1
、
RI2
、
RI3
/RI31
、
RI32
、
RI33
Y
Chec
k
circuit
b
etween input
terminal to U1
，
And c heck software is ok
Y
Change U1