DOWNLOAD Sharp XV-Z90E (serv.man10) Service Manual ↓ Size: 30.65 KB | Pages: 10 in PDF or view online for FREE

Model
XV-Z90E (serv.man10)
Pages
10
Size
30.65 KB
Type
PDF
Document
Service Manual
Brand
Device
Projector / Troubleshooting table
File
xv-z90e-sm10.pdf
Date

Sharp XV-Z90E (serv.man10) Service Manual ▷ View online

30
XV-Z90E
» 
Formatter Unit Troubleshooting-2/2
No
IC9301 or its peripheral 
circuit defective.
Is there 60-MHz pulse 
signal at TP9025?
Is the voltage at pin (1) 
of the P2002 main PWB 
at high level?
IC2007, IC2002 or their 
peripheral circuit 
defective.
Is the P2002 connector 
properly connected?
No
Is the specified voltage 
applied to the CN1001
connector?
Yes
Yes
Is the fan running?
Check the ballast unit and 
power unit.
Check the fan circuit.
Yes
No
No
6
5
30
XV-Z90E
» 
Formatter Unit Troubleshooting-2/2
No
IC9301 or its peripheral 
circuit defective.
Is there 60-MHz pulse 
signal at TP9025?
Is the voltage at pin (1) 
of the P2002 main PWB 
at high level?
IC2007, IC2002 or their 
peripheral circuit 
defective.
Is the P2002 connector 
properly connected?
No
Is the specified voltage 
applied to the CN1001
connector?
Yes
Yes
Is the fan running?
Check the ballast unit and 
power unit.
Check the fan circuit.
Yes
No
No
6
5
30
XV-Z90E
» 
Formatter Unit Troubleshooting-2/2
No
IC9301 or its peripheral 
circuit defective.
Is there 60-MHz pulse 
signal at TP9025?
Is the voltage at pin (1) 
of the P2002 main PWB 
at high level?
IC2007, IC2002 or their 
peripheral circuit 
defective.
Is the P2002 connector 
properly connected?
No
Is the specified voltage 
applied to the CN1001
connector?
Yes
Yes
Is the fan running?
Check the ballast unit and 
power unit.
Check the fan circuit.
Yes
No
No
6
5
30
XV-Z90E
» 
Formatter Unit Troubleshooting-2/2
No
IC9301 or its peripheral 
circuit defective.
Is there 60-MHz pulse 
signal at TP9025?
Is the voltage at pin (1) 
of the P2002 main PWB 
at high level?
IC2007, IC2002 or their 
peripheral circuit 
defective.
Is the P2002 connector 
properly connected?
No
Is the specified voltage 
applied to the CN1001
connector?
Yes
Yes
Is the fan running?
Check the ballast unit and 
power unit.
Check the fan circuit.
Yes
No
No
6
5
Page of 10
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Sharp XV-Z90E (serv.man10) Service Manual ▷ Download