Haier 32E2000, Service Manual

Page: 52 / 52

Service Manual
Model No.: 32E2000
10-5-1 Function Trouble (TV video)
10-5-2 Function Trouble (PC)
10-5-1 Function Trouble (HDMI
、
YPbPr
、
CVBS )
- 51 -
TV can’t search any
channel/no picture
Check input RF signal
Check the RF source Check tuner power
Check power supply circuit
Check if IIC work
Check IIC circuit Check IFP/IFN output signal
Check tuner and
peripheral components
Check the circuit from
tuner to U1(MSD3393)
N Y
N
N
N
Y
Y
Y
PC mode
Picture is not
in center
Missing color,
deflection color
Picture
dithering
No signal
Do “auto adjust”
process
Check if the R.G.B
input signal of U1
is normal
Do “reset” process
on the menu
Y
N
Check the circuit of
R.G.B input
Check if the signal of
V-sync,H-sync is OK
Check the circuit
of VS.HS
Do “reset” process
on the menu or
the input mode
can’t be supported
Check the circuit
of VS.HS
Y N
HDMI , YPbPr , CVBS
Check the signal at the jack
Check the external source
Check the signal on the
Corresponding of U1
Check the circuit from jack to
U1(MSD3393)
Change U1(MSD3393)
Y N
N
Y