Function Troubleshooting - Haier 48E2500 Service Manual

11 Function Trouble
Picture is not
in center
Do "auto adjust"
process
12 Function Trouble
Check the external source
Check the circuit from jack to
PC
PC mode
Missing color,
deflection color
Check if the R.G.B
input signal of U1
is normal
Y
N
Do "reset" process Check the circuit of
on the menu R.G.B input
HDMI YPbPr
N
U1(MSD3393)
Picture
dithering
Check if the signal of
V-sync,H-sync is OK
Y
Do "reset" process
on the menu or
the input mode
can't be supported
CVBS
HDMI , YPbPr , CVBS
Check the signal at the jack
N
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Service Manual
Model No.: 48E2500
No signal
N
Check the circuit Check the circuit
of VS.HS of VS.HS
Y
Check the signal on the
Corresponding of U1
Y
Change U1(MSD3393)