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
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Sharp XV-Z3000 Service Manual ▷ View online

33
XV-Z3000
DT-500
NO
Go to "Check when the 
lamp turns off soon after 
turning on".
YES
Securely insert the 
connectors.
YES
Securely insert the 
connectors.
YES
Check IC6001 and 
peripheral circuits. (Refer 
to the waveform chart 2.)
NO
Check IC1715 and 
peripheral circuits. (Refer 
to the waveform chart 1.)
NO
Fully insert the connectors 
or replace the harnesses.
YES
Replace the lamp.
YES
Go to "Power supply PWB 
check".
NO
Replace both D911 and 
D912.
YES
Replace D914 or D910, 
whichever is short-circuited.
YES
Replace the color wheel.
YES
Checking the lamp 
light-up
Does the lamp turn on 
when the power is turned 
Is the lamp tight in the 
socket?
NO
Has the FPC cable to 
SC6001 come off or is it 
loose?
Is rotating sound of the 
color wheel heard?
NO
Is approx. 0.7 V applied to 
TL1740?
YES
NO
Has the harness connected 
to P702 on the power 
supply unit come off, or is it 
loose? Otherwise, is it 
broken?
NO
Dose the lamp turn on after 
the replacement?
YES
Is 340 VDC applied to both 
ends of C914?
NO
Is D911 or D912 short-
circuited?
Is D914or D910 short-
circuited?
YES
34
XV-Z3000
DT-500
NO
Securely insert the 
connectors.
YES
Check the cooling fan.
NO
Check peripheral circuits of 
Q1714.
NO
Check IC1712, IC6001 and 
peripheral circuits.
NO
Go to "DMD system check".
Is 3.3 V applied to TL1704?
NO
Check IC1711 and 
peripheral circuits.
NO
Check PHOTO SENSOR 
PWB.
NO
Check IC1701 and 
peripheral circuits.
NO
Check IC1706 and 
peripheral circuits.
YES
Is 5 V applied to TL1726 
with P1702 removed?
NO
Check connection of 
FB1716.
NO
Check when the lamp turns 
off soon after turning on
Have connectors P1702, 
P1721, P1722, P1723 and 
P1724 come off or are they 
loose?
Is each cooling fan 
rotating? 
Is approx. 3 V applied to 
TL1712?
YES
Is 12 V applied to TL1709?
YES
Is 2.5 V applied to 
TL1706?
YES
Check IC1704 and 
peripheral circuits.
NO
Is 5 V applied to TL1726?
YES
Is the signal of 180 Hz 
sent to TL1727?(When 
vertical frequency of the 
input signal is 60 Hz)
YES
Is the signal of 180 Hz 
sent to TL1740? (When 
vertical frequency of the 
input signal is 60 Hz)
YES
YES
Is 5 V applied to TL1708?
YES
Check the power supply 
ballast PWB.
YES
35
XV-Z3000
DT-500
YES
End
YES
Check Q4003, Q4004, 
Q4005 and the peripheral 
circuits.
NO
Check IC1705 and 
peripheral circuits.
NO
Check IC1702 and 
peripheral circuits.
NO
Check Q3002 and 
peripheral circuits.
NO
RGB signal check
Send RGB signal from 
INPUT 5.
Select INPUT 5 using keys 
on the main unit or the 
remote control.
Is image displayed 
normally?
Are picture signals sent to 
TL3001, TL3002 and 
TL3003?
NO
YES
Is 3.3V applied to TL1707?
Is 3.5V applied to TL1704?
YES
Check IC3001 and 
peripheral circuits.
YES
Is 3.3V applied to pin(5) of 
Q3002?
YES
36
XV-Z3000
DT-500
YES
End
YES
Check IC4002 and the 
peripheral circuits.
NO
Check IC1705 and 
peripheral circuits.
NO
Check IC1702 and 
peripheral circuits.
NO
Check Q3002 and 
peripheral circuits.
NO
Component signal 
check
Send component signal of 
1080i (or 720P) from 
INPUT 1 or INPUT 2. 
Select INPUT 1 or INPUT 2 
using keys on the main unit 
or the remote control.
Is image displayed 
normally?
Are picture signals sent to 
TL3008, TL3007, and 
TL3006?
NO
YES
Is 3.3V applied to TL1707?
Is 3.3V applied to TL1704?
YES
Check IC3001 and 
peripheral circuits.
YES
Is 3.3V applied to pin(5) of 
Q3002?
YES
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