Read Sharp PG-A10X (serv.man11) Service Manual online
34
PG-A10X
PG-A10X-SL
PG-A10X-SL
AN-A10T
YES
YES
YES
YES
Checking the lamp
light-up
Reconnect the CN751
and CN752 harnesses
tight enough. Or replace
these harnesses.
and CN752 harnesses
tight enough. Or replace
these harnesses.
Go to "Checking the
power unit".
power unit".
Replace the ballast unit.
NO
Go to "Checking the
microcomputer
peripherals".
microcomputer
peripherals".
NO
NO
Are DC350-400V voltages
applied between the pins
of CN703?
applied between the pins
of CN703?
NO
Is the lamp socket
disconnected?
disconnected?
Reconnect the lamp
socket tightly.
socket tightly.
Are the CN751 and
CN752 harnesses tight in
position in the power unit
and ballast unit as well?
Are these harnesses free
of damage?
CN752 harnesses tight in
position in the power unit
and ballast unit as well?
Are these harnesses free
of damage?
Are there 3V (High level)
and 1V applied at pins (1)
and (13), respectively, of
CN751 in the power unit?
and 1V applied at pins (1)
and (13), respectively, of
CN751 in the power unit?
NO
Checking the RGB
sync
Check IC6001 and its
peripheral cuicuits.
peripheral cuicuits.
NO
YES
Are theire signal inputted
into pins (30),
(31) of IC6004?
into pins (30),
(31) of IC6004?
Are theire signal inputted
into pins (2)
of IC5002, IC5015?
into pins (2)
of IC5002, IC5015?
Check RGB terminal and
its peripheral circuits
its peripheral circuits
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