XR-10XL (serv.man5). Trouble Shooting Table - Sharp Projector Service Manual (repair manual)

xr-10xl (serv.man5) service manual
Model
XR-10XL (serv.man5)
Pages
9
Size
299.69 KB
Type
PDF
Document
Service Manual
Brand
Device
Projector / Trouble Shooting Table
File
xr-10xl-sm5.pdf
Date

Read Sharp XR-10XL (serv.man5) Service Manual online

XR-10X-L/XR-10S-L/XG-MB50X-L/XR-11XC-L/XR-HB007X-L
5 – 1
XR-10X-L
Service Manual
 
CHAPTER 5. 
TROUBLE SHOOTING TABLE
[1] TROUBLE SHOOTING TABLE
YES
YES
NO
NO
YES
Checking the basic
operation
Does the power LED light
up or flash in red or green?
Fully insert the connector.
Go to "Main PWB check".
Go to "Checking the lamp
light-up".
Go to "DMD system
check".
NO
Does the set function with
its keys or the remote
controller?
Has P1701 come off or is it
loose?
YES
END
YES
Go to "RGB and
component signal check".
NO
Go to "VIDEO input
check".
NO
Go to "S-VIDEO input
check".
NO
Check PHOTO SENSOR
circuit.
YES
Lamp does not turn on or it
turns off in a short time.
Nothing is displayed or
white vertical line noise
appears.
Colors are not displayed
normally. Color deviation
and color fluctuation occur.
NO
NO
NO
Are RGB and component
input displayed normally?
YES
Is VIDEO input displayed
normally?
YES
Is S-VIDEO input
displayed normally?
YES
XR-10X-L/XR-10S-L/XG-MB50X-L/XR-11XC-L/XR-HB007X-L
5 – 2
XR-10X-L/XR-10S-L/XG-MB50X-L/XR-11XC-L/XR-HB007X-L
5 – 3
Check P2501 for breakage
and solder crack and
peripheral resistance for
solder crack.
Check SC9101 for
breakage and solder crack.
Is there any vertical stripe
(block noise) on the
Screen?
NO
Is the screen all black?
Is approx. 7 V applied to
TL9303?
YES
YES
Is 3.27 V applied to IC2231
pin(1) and 1.8 V to TL2231?
YES
YES
Is 400 MHz on IC2241 pin
(20)?
YES
Is approx. 26 V applied to
TL9301?
YES
YES
Is approx. -26 V applied to
TL9302?
NO
NO
NO
NO
NO
NO
Check IC2231, IC2201,
and their peripheral
circuits.
The main PWB and DMD
PWB are in poor contact.
Check the contact surface
for dirt and smear.
Check the DMD connector
for breakage.
Reassemble the DMD,
optical mechanism, and
DMD PWB.
Check IC2241 and
peripheral circuits.
Check IC9301 and
peripheral circuits.
DMD system check
XR-10X-L/XR-10S-L/XG-MB50X-L/XR-11XC-L/XR-HB007X-L
5 – 4
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-EN/SYNC signal
properly sent to pin (14) of
the connector P704?
(Refer to the waveform
chart
.)
Are GATE waveforms of
Q901 appropriate?
(See waveform diagram
.)
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
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Download Sharp XR-10XL (serv.man5) Service Manual (Repair Manual)

Here you can read online and download Sharp XR-10XL (serv.man5) Service Manual in PDF. XR-10XL (serv.man5) service manual will guide through the process and help you recover, restore, fix, disassemble and repair Sharp XR-10XL (serv.man5) 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.