57
Scaler 2
Check the soldering of RW10.
Is the PLLCLK of RW10 normal?
NG
Check the input voltage of QW04 and
LW05
Is the 30MHz CLK of XW0(2pin) and
XW0(3pin) normal?
NG
OK
Check the input CLK of QW04(1pin).
Check the soldering of RW26 and
circumference components of QW04.
OK
OK
NG
Check the soldering of
XW02 and
circumference
components.
Is the waveform
of RW11
normal?
NG
OK
Is the waveform of SD_RAM (RW59-61)
normal?
OK
Is the waveform of RW57-RW58 (each
pin) normal?
Is the waveform of RW41-56 (each pin)
normal?
OK
OK
Refer to Scaler 3