XV-Z9000E (serv.man3). Service Manual - Part 2 - Troubleshooting (32-48) - Sharp Projector Service Manual (repair manual). Page 2

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33
XV-Z9000U/E
YES
YES
YES
YES
YES
YES
YES
YES
NO
Checking the power unit
Are all the connectors 
inside the power unit tightly 
connected?
Insert the connectors 
CN7105, 7103, 7101AND 
7102 tightly.
Replace the bimetal switch 
or press the red button to 
reset.
Tighten up the lamp door 
closed with the screws.
NO
Is the lamp cover closed 
completely?
NO
Replace F7002.
NO
Check the circuits leading 
to the secondary side of 
T7002 for damage. 
Replace any of them as 
required.
NO
Is the bimetal switch off?
Is AC voltage applied 
across L7005?
Replace F7001.
NO
Is AC voltage applied 
across the RL7001 relay?
Are there the specified 
voltages at the output 
terminals of CN7101 and 
CN7102?
Check the circuits leading 
to the primary side of 
T7002 for damage. 
Replace any of them as 
required.
NO
Is there DC voltage of 
about 340 V across 
CN7003?
Check the peripheral 
circuits of Q7101~Q7107. 
Replace any of them as 
required.
NO
Is there DC voltage of 
about 6 V across C7151?
Check the output PWB 
circuits.
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