Hisense LHD32D33EU - Function Troubleshooting (VGA No Signal)

5.3.10. Function Troubleshooting (VGA no single )
No single
Chec
k
if the VGA cable is right?
or signal output equipment is right ?
N
Correct setup equipment
，
or change VGA cable
Y
Repai
r
the circuit of VS, HS
N
Repai
r
the circuit
of VS, HS
Y
Chec
k
circuit
b
etween input
terminal to U1
，
And check software is ok
Y
Change U1