Read Sharp XV-Z200E (serv.man13) Service Manual online
34
XV-Z200U/E, XV-Z201E
DT-300
DT-300
No
Yes
Does POWER LED flicker in red ?
Yes
Turn on the power again.
Yes
Is pin (9) of P1701 (P CON0) H?
Is the FAN voltage supplied?
No
Is it in the stand-by due to
an error?
an error?
No
This is the failure of
IC2002.
IC2002.
Yes
FAN_ERROR is being detected.
Check around Q1701 and around
pin (2) of IC2002.
Check around Q1701 and around
pin (2) of IC2002.
Yes
No
No
No
Is 13 V outputted to pins (17), (18)
and (19) P1701?
and (19) P1701?
Go to "Checking of Power Unit"
Check IC1708, IC1710 and
around these ICs.
around these ICs.
Yes
No
Is BU 5 V outputted from
IC1701?
IC1701?
Yes
Is Bu+6.5V outputted to pins
(12), (13) and (14) of P1701?
(12), (13) and (14) of P1701?
Check IC1701 and its
periphery.
periphery.
Yes
No
Is BU 3.3 V outputted from
IC1702?
IC1702?
Check IC1702 and its
periphery.
periphery.
Check IC1703 and its
periphery.
periphery.
Yes
No
Is BU 2.5 V outputted from
IC1703?
IC1703?
Check IC8001 and the circuit
around the IC.
around the IC.
Check of IC2002 and around I/O
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