Sanyo PDP-42XS1 - Sub Frame; No Picture of SCART2

25
4.3.2 sub frame
4.4 No picture of SCART2
Check if the pin16 of N801
have the signal input.
Check if H and V sync cloc
k
si
g
nal of N801 out
p
ut is normal.
Check if the pin12 of TUNER102
in TV board has the si
g
nal out
p
ut.
Check the
peripheral
circuit of N201,
crystal and
power supply.
Yes
N
o
Yes
N
o
Check the peripheral
TUNER102, power
supply and BUS
Check between
the TUNER102
and N801 circuit
Yes
N
o
Check the
peripheral
circuit of N801,
crystal and
power supply.
Check if the C228 and C229
have the signal input.
Check if the pin 3 and pin6 o
f
N
708 has in
p
ut si
g
nal.
Check periphery circuit of N201,
crystal and power supply
Check between the SCART2
socket and N708 circui
t
Check peripheral circuit o
f
N
708 and
p
ower su
pp
l
y
Yes
N
o
Yes
N
o