XV-Z10E (serv.man13). (10) Troubleshooting table - Sharp Projector Service Manual (repair manual)

xv-z10e (serv.man13) service manual
Model
XV-Z10E (serv.man13)
Pages
6
Size
12.28 KB
Type
PDF
Document
Service Manual
Brand
Device
Projector / (10) Troubleshooting table
File
xv-z10e-sm13.pdf
Date

Read Sharp XV-Z10E (serv.man13) Service Manual online

34
XV-Z10E
TROUBLESHOOTING
YES
YES
Checking the basic 
operation
Does POWER LED in the 
front and top panels light 
up or blink in R or G?
Go to "Checking the 
power unit".
Go to the checks of LED 
PWB and its connections.
Go to "Checking the lamp 
light-up".
NO
Does the set function with 
its keys or the remote 
controller?
Go to "Checking the 
microprocessor circuits".
NO
Go to "Checking the RGB 
signals".
Go to "Checking the RGB 
isignals".
Go to "Checking the 
video signals".
End
NO
Is the cooling fan running 
with the lamp on?
Is the user menu 
displayed?
YES
YES
"No" for the front panel LED
"No" for both LEDs
35
XV-Z10E
YES
YES
YES
YES
Checking the power unit
Are the P701, P711 and 
P741 connectors tightly 
connected?
Reconnect the P701, 
P711 and P741 
connectors tightly.
Replace the bimetal switch.
Replace F701.
NO
NO
NO
Check IC721, R738, R739 
and their peripheral ICs for 
damages. Replace any of 
them as required.
NO
Is the bimetal switch in 
good condition?
Is there AC voltage (100-
240V) applied across 
C701?
Disconnect the P741 
connector. Is there 6V 
output at pins (11) and 
(12)?
Check the main PWB for 
short-circuit.
36
XV-Z10E
YES
YES
YES
YES
YES
NO
Checking the 
microprocessor circuits
Is there about DC3.3V 
applied between pins (3) 
and (5) of IC1703?
Check IC1703 and its 
peripheral circuits, or IC1702 
and its peripheral circuits.
Is the lamp cover or filter 
cover tightly closed? Or is 
the P2006(LF) jack tight 
in position?
Check IC2002 and its 
peripheral circuits.
Check IC8202, IC8203, 
IC2601 and their 
peripheral circuits.
Check IC1704 and its 
peripheral circuits.
NO
Is there about DC2.5V 
applied between pins (5) 
and (8) of IC1704?
NO
Check IC8009 and its 
peripheral circuits.
NO
Check the fan for unusual 
run. Or check IC8003 and 
its peripheral circuits.
NO
Is there about DC2.5V 
applied between pins (3) 
and (4) of IC8009?
Is there about DC3V 
applied at pin (21) of 
IC2002? Check the D0 thru 
D7 signals with an 
oscilloscope: Are there 
pulse signals?
Close the lamp cover or 
filter cover tightly. Or 
insert the P2006(LF) jack.
YES
Check IC8010, IC8011 and 
their peripheral circuits.
NO
Is there 133 MHz clock 
output at pin (6) of IC8010? 
Is there 40 MHz clock 
output at pin (6) of IC8011?
37
XV-Z10E
YES
YES
YES
YES
NO
Checking the lamp 
light-up
Insert the P741 and P742 
harnesses tightly. Or 
replace the harnesses as 
required.
Go to "Checking the 
power unit".
Is high-pressure noise 
heard?
Replace the lamp.
NO
Go to "Checking the 
microprocessor circuits".
NO
YES
Is there DC350-400V 
voltage applied between 
the P712 pins?
NO
Is the lamp tight in the 
socket?
Insert the lamp tightly in 
the socket.
Are the P741 and P742 
harnesses tightly 
connected on both the 
power and ballast units? 
Or are the harnesses in 
good condition?
Are there 3V (High level) 
voltage and over-1V 
voltage applied at pins (6) 
and (3), respectively, of 
P741 on the power unit?
NO
Replace the ballast.
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Here you can read online and download Sharp XV-Z10E (serv.man13) Service Manual in PDF. XV-Z10E (serv.man13) service manual will guide through the process and help you recover, restore, fix, disassemble and repair Sharp XV-Z10E (serv.man13) Projector. Information contained in service manuals typically includes schematics / circuit diagrams, wiring diagrams, block diagrams, printed wiring boards, exploded views, parts list, disassembly / assembly, pcb.