34
PG-C20XU
PG-C20XE
AN-Z7T
YES
YES
YES
YES
YES
Checking the lamp
light-up
Turn on the power switch.
Is discharge sound heard
from the lamp?
Insert the BA harness
tightly. Or replace it as
required.
Go to "Checking the
power unit".
Replace the ballast unit.
NO
Go to "Checking the
microcomputer
peripherals".
NO
NO
Are DC260-400V voltages
applied between the pins
of PL connector?
NO
Replace the lamp.
NO
Is the lamp socket
disconnected?
Reconnect the lamp
socket tightly.
Is the BA harness tightly
inserted? Is the harness
broken?
Is voltage of over 1V
applied between pins (1)
and (2) of BA harness?
YES
YES
YES
NO
Checking the PLL circuit
Is there 120MHz clock
output at pin (8) of
IC8001?
IC8001 or its peripheral
circuit defective.
End
NO
Is there 40MHz clock
output at pin (9) of
IC8001?
NO
Is there 16MHz or so
clock output at pin (7) of
IC8001?
Summary of Contents for Notevision PG-C20XU
Page 135: ...157 PG C20XU PG C20XE AN Z7T ...
