XV-Z200E (serv.man13). Troubleshooting table - Sharp Projector Service Manual (repair manual). Page 4

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34
XV-Z200U/E, XV-Z201E
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?
No
This is the failure of 
IC2002.
Yes
FAN_ERROR is being detected.
Check around Q1701 and around 
pin (2) of IC2002.
Yes
No
No
No
Is 13 V outputted to pins (17), (18)
and (19) P1701?
Go to "Checking of Power Unit"
Check IC1708, IC1710 and 
around these ICs.
Yes
No
Is BU 5 V outputted from 
IC1701?
Yes
Is Bu+6.5V outputted to pins
(12), (13) and (14) of P1701?
Check IC1701 and its 
periphery.
Yes
No
Is BU 3.3 V outputted from 
IC1702?
Check IC1702 and its 
periphery.
Check IC1703 and its 
periphery.
Yes
No
Is BU 2.5 V outputted from 
IC1703?
Check IC8001 and the circuit 
around the IC.
Check of IC2002 and around I/O
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