Sanyo PDP-42XS1 - Basic TV Operations; Selecting Input Signal Source

22
2.With sound but no picture:
With sound but no picture.
Display logo?
Check if all other channel
has no
p
icture.
Check N201
and peripher
y
circuit
Turn to check 4
of program
Check if the X301
have the signal wave.
Unfix X901, X902 and X301, se
t
SW501 of the power supply board
as AUTO, use to itself source
signal, and check if turn on the
unit is normal
Check the input signal of
N
301
and N302 and
p
ower su
pp
l
y
.
The screen damaged.
N301 and N302
damaged.
Check N201 and the circui
t
of output.
Yes
N
o
N
o
Yes
N
ormal
N
ormal Abnormal
Abnormal
Abnormal
N
ormal