Sharp PG-C20X Servisní příručka stáhnout pdf (Strana 34)

PG-C20XU

PG-C20XE

AN-Z7T

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.

Go to "Checking the

microcomputer

peripherals".

Are DC260-400V voltages

applied between the pins

of PL connector?

Replace the lamp.

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

Checking the PLL circuit

Is there 120MHz clock

output at pin (8) of

IC8001?

IC8001 or its peripheral

circuit defective.

End

Is there 40MHz clock

output at pin (9) of

IC8001?

Is there 16MHz or so

clock output at pin (7) of

IC8001?

1 2 ... 29 30 31 32 33 34 35 36 37 38 39 ... 135 136

Komentáře k této Příručce

Žádné komentáře

Sharp PG-C20X Servisní příručka Strana 34

Komentáře k této Příručce

Související produkty a manuály pro Projektory Sharp PG-C20X