PG-M15 (serv.man4). Service Manual Part 3 - Troubleshooting (30-37) — Sharp Projector Service Manual (repair manual)

Model
PG-M15 (serv.man4)
Pages
8
Size
18.3 KB
Type
PDF
Document
Service Manual
Brand
Device
Projector / Service Manual Part 3 - Troubleshooting (30-37)
File
pg-m15-sm4.pdf
Date

View Sharp PG-M15 (serv.man4) Service Manual online

30
PG-M15X
PG-M15S
AN-M15T
TROUBLE SHOOTING TABLE
1. Equipment Needed
»
PG-M15X/S
»
VGA Cable, Power Cord
»
PC (Personal Computer)
»
Audio Input, Video Input
»
Screw Driver
2. Main Procedure
Start
Connect AC cord, VGA cable 
and audio signal, then turn 
power on
Yes
No
Yes
No
Yes
No
Yes
No
Yes
No
Is Lamp light on?
A. Power Troubleshooting
Is Image OK?
Is function OK?
Is Audio OK?
Is Remote Control OK?
No Fault Found
End
B. Image Performance
Troubleshooting
C.  Function
Troubleshooting
D.  Audio Troubleshooting
Change Remote Control unit
31
PG-M15X
PG-M15S
AN-M15T
2-1. A. Power Troubleshooting
Yes
No
Is LED indicator
OK?
No
Yes
Check AC cord and
input power voltage
Yes
No
Is Lamp OK?
Change
Lamp unit
Yes
No
Change Ballast 
PWB unit
Main PWB unit 
Troubleshooting
Main PWB unit 
Troubleshooting
End
Yes
No
Lamp assembly
OK?
Supply
AC Cord
No
Change
DC to DC PWB unit
No
Change
Ballast PWB unit
Reassembly
lamp
Start
32
PG-M15X
PG-M15S
AN-M15T
2-2. B. Performance Troubleshooting
Yes
No
Have image?
No
Main PWB unit 
Troubleshooting
Main PWB unit 
Troubleshooting
Change
DMD Module
No
Yes
Have garbage
pattern?
No
Yes
No
Uniformity OK?
Change
Optical Engine 
Module
Change
Optical Engine 
Module
No
No
Is color OK?
No
No
No
Yes
Have dot defect?
No
Yes
Have line bar?
No
Adjust
frequency
No
Yes
Have noise?
No
Adjust
tracking
End
Start
Change
DMD Module
Change
DMD Module
Change
DMD Module
Main PWB unit 
Troubleshooting
Main PWB unit 
Troubleshooting
Main PWB unit 
Troubleshooting
(White Screen)
33
PG-M15X
PG-M15S
AN-M15T
2-2-1. White Screen or Garbage Pattern
Start
Check JP1 H, V SYNC in
Check U9 GH, GV SYNC
Check U17 Pin (5) DCLK
Check U16 Pin (5) MCLK
End
Start
Check JP1 Pins (25), (26) and 
(27)(RGB input)
Check U11
Check JP2 is short circuit or not
Change DMD PWB unit
* When you fix it, suggest use white frame or RGBW color display.
End
Check U9 A/D coverter or 
U7 (for DVI)
2-2-2. Color abnormal (VGA)
Page of 8
Display

Download Sharp PG-M15 (serv.man4) Service Manual (Repair Manual)

Here you can view online or download Sharp PG-M15 (serv.man4) Service Manual in pdf. This Service Manual can help you recover, restore, fix, disassemble and repair Sharp PG-M15 (serv.man4) Projector. Information contained in Sharp PG-M15 (serv.man4) service manual (repair manual) typically includes:

  • Disassembly, troubleshooting, programming, maintenance, remote, adjustment, installation and setup instructions.
  • Schematics, wiring and block diagrams.
  • Printed wiring boards (PWB) and printed circuit boards (PCB).
  • Parts list (bill of materials).