DOWNLOAD Sharp XV-Z3000 Service Manual ↓ Size: 25.15 MB | Pages: 120 in PDF or view online for FREE

Model
XV-Z3000
Pages
120
Size
25.15 MB
Type
PDF
Document
Service Manual
Brand
Device
Projector / Complete Service Manual
File
xv-z3000.pdf
Date
PREV: Sharp XV-Z21000 (serv.man12) Service Manual / Technical Bulletin

Sharp XV-Z3000 Service Manual ▷ View online

29
XV-Z3000
DT-500
Is 6 V applied to TL1731
and 13 V to TL1734?
Is approx. 6 V applied to
TL1710?
Is 1.5 V applied to
TL1703?
Go to "Power supply
ballast PWB check".
Check IC1713 and
peripheral circuits.
Check IC1701 and
peripheral circuits.
Is 3.3 V applied to
TL1704?
Check IC1702 and
peripheral circuits.
Is 2.5 V applied to
TL1706?
Check IC1703 and
peripheral circuits.
Is 1.5 V applied to
TL1705?
Check IC1704 and
peripheral circuits.
Is 5 V applied to TL1708?
Check IC1711 and
peripheral circuits.
Is 3.3 V applied to
TL1707?
Check IC1705 and
peripheral circuits.
Is 12 V applied to
TL1709?
Check IC1712 and
peripheral circuits.
   
Is 3.3 V applied to pin(1)
of IC1714?
Check IC1714 and
peripheral circuits.
Is 3.18 V applied to pin(1)
of IC2204?
Check IC2204, 2207, 2208
and peripheral circuits.
Is 3.3 V applied to pin(1)
of S2001?
Check that it is set to the N
side. Or remove S2001.
Are rectangular waves of
50 MHz and 48 MHz
supplied to pins (8) and (7)
of IC2206 respectively?
Check IC2001, IC2002,
IC2202, IC2203 and
peripheral circuits.
Check IC2206 and
peripheral circuits.
30
XV-Z3000
DT-500
     
   
  
 
    
   
    
   
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31
XV-Z3000
DT-500
YES
Check peripheral circuits of 
IC703.
YES
Is 13 V applied to pins (3) 
and (4) of the connector 
P704?
YES
YES
Is DC voltage of 380 V 
applied to both ends of 
C704?
YES
Check circuits R766 and 
after or replace R766.
YES
Is R766 in the OPEN 
status?
Is pin (11) of the connector 
P704 at "H"?
Are connectors P704 and 
CN901 fully inserted?
Is 6 V applied to pins (7) 
and (8) of the connector 
P704?
NO
NO
NO
Securely insert the 
connectors.
Check peripheral circuits 
of IC902.
YES
NO
NO
Is LAMP-COM signal 
properly sent to pin (14) of 
the connector P704?
(Refer to the waveform 
chart 1.)
Are GATE waveforms of 
Q901 and Q903 
appropriate?
(See waveform diagram 
8.)
NO
Does the lamp turn on?
YES
Check the main PWB.
Check the main PWB.
NO
Check the main PWB.
NO
Check the ballast PWB.
NO
Power supply PWB 
check
1
32
XV-Z3000
DT-500
YES
YES
YES
Securely insert the connectors.
NO
Replace F701.
NO
Press the red button on the 
bimetal.
NO
YES
NO
YES
NO
Are connectorsP701 and 
P702 fully inserted?
Is AC voltage between 100  
− 240 V applied to both 
ends of C707?
Is the bimetal broken? 
(Connection between 1 and 
2 of P702)
Is R717 open?
Check that P704 connector 
pin (11) is at "H". Replace 
R717.
Is R705 open?
Replace F705.
Check that the power 
supply FAN FB and FC 
are not stopped.
Check peripheral circuits of 
IC703.
1
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