Sub Frame; No Picture Of Scart2 - Sanyo PDP-42XS1 Service Manual

4.3.2 sub frame

Check if H and V sync clock
signal of N801 output is normal.
Yes
Check the
peripheral
circuit of N201,
crystal and
power supply.

4.4 No picture of SCART2

Check peripheral circuit of
N708 and power supply
Check if the pin16 of N801
have the signal input.
Yes
No
Check the
peripheral
circuit of N801,
crystal and
power supply.
No
Check if the pin 3 and pin6 of
N708 has input signal.
Yes
No
Check if the pin12 of TUNER102
in TV board has the signal output.
Yes
Check between
the TUNER102
and N801 circuit
Check if the C228 and C229
have the signal input.
Yes
Check periphery circuit of N201,
crystal and power supply
No
Check between the SCART2
socket and N708 circuit
25
No
Check the peripheral
TUNER102, power
supply and BUS