No Picture Of Ypbpr Or Ycbcr; No Of Picture Of D-Sub Channel - Sanyo PDP-42XS1 Service Manual

4.7 No picture of YPBPR or YCBCR

Check if the pin2, pin5 and
pin11 of N706 have signal
input
Between
socket and N706 channel
has problem

4.8 No of picture of D-SUB channel

Check if the T4 and U1 of N201 have sync
signal input
YES
Check N201
Check if the pin4, pin7
and pin9 of N706 have
signal input
No
No
the YPBPR
Check if the YPBPR signal display is normal
YES
NO
Check if the PIN1 and PIN5 of N201 have sync signal input
Check the peripheral
circuit of N709 and
power supply
Check if the C220, C221 and C222
have the signal input
No
Yes
Check between N706
and N201 channel
Yes
Check the peripheral
circuit of N706 and
power supply
NO
Check the program
YES
27
Yes
Check the peripheral
circuit of N201, crystal
and power supply
NO
Between the VGA socket
and N709 channel has
problem