Sanyo PDP-42XS1 - No Picture of YPBPR or YCBCR; No of Picture of D-SUB Channel

27
4.7 No picture of YPBPR or YCBCR
4.8 No of picture of D-SUB channel
Check if the pin4, pin7
and pin9 of N706 have
si
g
nal in
p
ut
Check if the C220, C221 and C222
have the signal input
Check the peripheral
circuit of N201, crystal
and
p
ower su
pp
l
y
Check if the pin2, pin5 an
d
p
in11 of N706 have signal
in
p
ut
Check between N706
and N201 channel
Between the YPBP
R
socket and N706 channel
has
p
roble
m
Check the peripheral
circuit of N706 an
d
p
ower su
pp
l
y
N
o Yes
Yes
N
o
N
o Yes
Check if the T4 and U1 of N201 have sync
signal input
Check if the YPBPR signal display is normal
Check the program
YES
N
O
YES
N
O
Check N201
Check if the PIN1 and PIN5 of N201 have sync signal input
YES
N
O
Check the peripheral
circuit of N709 an
d
p
ower su
pp
l
y
Between the VGA socke
t
and N709 channel has
p
roble
m