XV-Z10000 (serv.man11). Troubleshooting table - Sharp Projector Service Manual (repair manual). Page 14

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45
XV-Z10000
YES
YES
YES
YES
YES
Checking the lamp 
light-up
Is discharge sound heard 
when turning on the power 
switch?
The lamp fails to light up.
Check the power circuit.
Check the power circuit 
or the fan circuit on the 
main circuit.
Check the 
microprocessor circuit. 
Replace the ballast power 
PWB.
NO
Replace the ballast power 
PWB. Check the 
microprocessor circuit.
NO
NO
Are the cooling fans 
running well?
NO
Reconnect the sockets 
tightly.
NO
Is the lamp or CW line 
socket out of position?
Replace the lamp or the 
CW.
Is a voltage of about DC 
340 V applied across the 
ballast power circuit 
CP1001?
Is a voltage of over 3.5 V 
applied at pin (1) of the 
ballast power circuit 
CP1501?
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