DOWNLOAD Sharp XV-Z9000E (serv.man12) Service Manual ↓ Size: 13.69 MB | Pages: 99 in PDF or view online for FREE

Model
XV-Z9000E (serv.man12)
Pages
99
Size
13.69 MB
Type
PDF
Document
Service Manual
Brand
Device
Projector / XVZ9000E Service Manual
File
xv-z9000e-sm12.pdf
Date

Sharp XV-Z9000E (serv.man12) Service Manual ▷ View online

41
XV-Z9000U/E
NO
YES
YES
Checking the SOG circuit
Is the composite sync 
signal played back timely?
Measure the signal at 
TL8136 on the 
oscilloscope.
NO
Is there the Y signal 
including the sync signal?
Measure the land of C8069 
on the oscilloscope.
Go to “Checking the input 
signal settings”.
SOG sync separation 
circuit defective.
Input PWB defective.
There is no problem with 
the SOG circuit. End.
NO
Checking the on-screen 
display.
Go to “Checking the GA4 
peripheral circuits”.
Get the flash ROM 
reprogrammed.
Carry out the output line 
adjustment in the 
adjustment process.
Is the on-screen display 
color as specified?
YES
0
42
XV-Z9000U/E
Select VIDEO as the type 
of signal on the user menu.
Using the front panel key 
or the remote control, 
select INPUT4.
Checking the video input
Feed the composite video 
signal to INPUT4.
Is the image disturbed?
NO
YES
YES
Is there the video signal at 
pin (72) of IC8338?
Is the video signal as 
specified?
IC8338 defective.
NO
NO
Does the image appear?
Carry out the process 
adjustment.
Is the contour as specified?
There is no problem with 
the video input. End.
Go to "Checking the video 
sync signal".
Go to "Checking the video 
sync signal".
NO
YES
NO
YES
5
5
6
43
XV-Z9000U/E
6
7
Checking the video sync 
signal
Using the oscilloscope, 
measure the signal at 
TL8140. (Check the 
vertical sync signal.)
Using the oscilloscope, 
measure the signal at 
TL8142. (Check the 
horizontal sync signal.)
NO
NO
YES
Measure the VPC (IC8338) 
clock signal at TL8004.
Is the clock signal as 
specified?
Go to “Checking the video 
sync signal”.
IC8338 defective.
IC8025 or its peripheral 
circuit defective.
YES
YES
Is the vertical sync signal 
as specified?
Input PWB defective.
Is the horizontal sync 
signal as specified?
Go to "Checking the input 
signal setting".
NO
44
XV-Z9000U/E
3
Checking the DSUB input.
Feed the PC-RGB signal to INPUT5.
Select INPUT5 as the input.
Check to see if there are the R, G 
and B signals at pins (126), (136) 
and (146) of IC8004.
DSUB connector 
or its peripheral 
part defective.
IC8302 or its peripheral circuit 
defective.
IC8025, IC8004 or their peripheral 
circuit defective.
NO
YES
NO
YES
Does the image appear?
Are there the R, G and B signals?
YES
NO
Is there any distortion with the image?
Check the vertical and horizontal sync 
signals at pin (6) of IC8364 and pin (6) 
of IC8385.
Sync separation circuit, IC8354m 
IC8365 or their peripheral circuit 
defective.
NO
NO
YES
Are the sync signals as specified?
YES
Are there the horizontal and vertical sync 
signals at TL8130 and TL8131?
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