DOWNLOAD Sharp XV-Z21000 (serv.man3) Service Manual ↓ Size: 864.87 KB | Pages: 15 in PDF or view online for FREE

Model
XV-Z21000 (serv.man3)
Pages
15
Size
864.87 KB
Type
PDF
Document
Service Manual
Brand
Device
Projector / Troubleshooting Table
File
xv-z21000-sm3.pdf
Date
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XV-Z20000/XV-Z21000/DT-5000
5 – 9
Check the input at the components 
(480i and 576i are excluded).
Supply a component signal to C1 or 
C2. (Separate HV sync signal is not 
connected.)
Select C1 or C2 using the key on the 
main unit or the remote control.
Is a projection image displayed?
NO
Go to "Check the SOG circuit.".
YES
Is the color normal?
NO
Perform the process adjustment.
Does the color become normal?
NO
Go to “IC5652 peripheral check”.
YES
Is the image frame normal?
NO
Go to "IC5652 peripheral check".
YES
End.
Check the SOG circuit.
Is the signal generator (input source) 
set correctly?
NO
Set the signal generator (input source) 
correctly.
YES
Is a composite synchronization signal 
present at TL5513?
YES
The SOG circuit is normal.
NO
Is a composite synchronization signal 
with the correct timing being output to 
TL5511?
YES
The IC5514 peripheral circuit is defective.
NO
Is a video signal present at R5551?
YES
The SOG circuits (IC5512, IC5513 and 
Q5570 - 09) are defective.
NO
The IC5209 peripheral circuit is 
defective or the main unit is defective.
XV-Z20000/XV-Z21000/DT-5000
5 – 10
Check the 525i (625i) RGB (or com-
ponent) input.
Supply a 525i (625i) RGB (or compo-
nent) signal to C1 or C2.
Select C1 or C2 using the key on the 
main unit or the remote control.
Is a projection image displayed?
NO
Go to "Check the SOG circuit."
YES
Is the picture distorted?
NO
Go to "Check the VIDEO synchronization 
signal."
YES
Is the color normal?
NO
Perform the process adjustment.
YES
Is the image frame normal?
NO
Go to "IC5652 peripheral check".
YES
END.
XV-Z20000/XV-Z21000/DT-5000
5 – 11
Check the composite VIDEO 
(CVBS) input.
Supply an NTSC3.58 VIDEO signal 
to VIDEO.
Select VIDEO using the key on the 
main unit or the remote control.
Is a projection image displayed? 
Is the picture distorted?
NO
Go to "Check the VIDEO synchronization 
signal."
YES
Is the color normal? 
Is the image frame normal?
NO
Go to "IC5706 peripheral check".
YES
END.
Check the S-VIDEO input.
Supply an NTSC3.58 S-VIDEO signal 
to S-VIDEO.
Select S-VIDEO using the key on the 
main unit or the remote control.
Is a projection image displayed? 
Is the picture distorted?
NO
Go to "Check the VIDEO synchronization 
signal."
YES
Is the color normal? 
Is the image frame normal?
NO
Go to "IC5706 peripheral check".
YES
END.
XV-Z20000/XV-Z21000/DT-5000
5 – 12
Check the 
VIDEO syn-
chronization 
signal.
Is a vertical syn-
chronization sig-
nal present at 
TL5710?
NO
Is a clock signal 
(24.57 MHz) 
present at 
X5701?
Check the voltage 
output of IC5702 
and 
IC5703.X5701 or 
IC5706 is defec-
tive.
YES
NO
Is a horizontal 
synchronization 
signal present at 
TL5711?
NO
YES
YES
The VIDEO syn-
chronization sig-
nal is normal.
Is a video signal 
present at 
TL5712?
YES
IC5706 is defec-
tive.
NO
Is the input signal 
525iRGB (or com-
ponent)?
YES
Is a video signal 
present at 
TL5703?
YES
IC5706 is defec-
tive.
NO
NO
Check peripheral 
circuits of Q5701 
and Q5707.
The main unit is 
defective.
Is the input signal 
composite VIDEO 
(CVBS)?
YES
Is a video signal 
present at 
TL5707?
YES
Is S-VIDEO pro-
jected normally?
NO
IC5706 is defec-
tive.
NO
NO
YES
Check peripheral 
circuits of Q5706 
and Q5712.
The main unit is 
defective.
Check peripheral 
circuits of IC5707.
Is the input signal 
S-VIDEO?
YES
Are video signals 
sent to TL5705 
and TL5706?
YES
IC5706 is defec-
tive.
NO
Check peripheral 
circuits of Q5704, 
Q5705, Q5710 
and Q5711.
The main unit is 
defective.
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