Sanyo PDP-42XS1 - No Picture of SCART1; No Picture of HDMI

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4.5 No picture of SCART1
4.6 no picture of HDMI
Check if the H-V syncs signal and cloc
k
si
g
nal of N607 out
p
ut is normal
Check the peripheral circuit o
f
N
201, crystal and power supply;
check if HDMI socket connecto
r
is normal
Check the peripheral circuit o
f
N
201, crystal and power supply
Yes
N
o
Check if between the
pin16 of SCART1 socke
t
and N501 is normal.
Check if the C223, C224, C225 an
d
C226 have the signal input
Between the SCART1
socket and N201 channel
has
p
roble
m
Switch RGB and VIDEO inpu
t
SCART1, check if the PIN87
of N501 is normal
Check the connecto
r
channel
Check the peripheral
circuit of N201, crystal
and
p
ower su
pp
l
y
Check the peripheral
circuit of N501 an
d
p
ower su
pp
l
y
N
o Yes
Yes
N
o
N
o Yes