XG-3785E (serv.man5). Intermittent lamp lighting problems — Sharp Projector Technical Bulletin (repair manual)

Model
XG-3785E (serv.man5)
Pages
2 Few pages! See other manuals at the bottom of the first or last page.
Size
26.04 KB
Type
PDF
Document
Technical Bulletin
Brand
Device
Projector / Intermittent lamp lighting problems
File
xg-3785e-sm5.pdf
Date

View Sharp XG-3785E (serv.man5) Technical Bulletin online

Sharp Electronics (UK) Limited    CE Technical Support Group
Originator  
$Y:
    Supervisor   
   
     Approval Date       /    /        Reference   LV-029 
White - Carry out as required      Yellow - Carry out as required and whenever unit comes in for service      Red - Carry out on all units
LCP970502
Month of Issue :
May 1997
Classification : 
White
LCP TECHNICAL BULLETIN
Page 1 of 2
MODELS
  XG3785E
  XG3785EA
  XG3795E
  XG3795EA
  
SYMPTOM If the lamp is turned off, then back on again, the unit may intermittently shut
down.
CAUSE
Fan lock detection circuit picking up noise from the lamp ignition.
ACTION
Carry out the following circuit change
1.  
Cut the PWB track as shown on page two.
2.  
Add a jumper wire ( 9cm ) as shown on page two.
3.  
Add a capacitor in parallel to C1209 as shown on page two.
Use the part number given below for the capacitor.
REF NO
DESCRIPTION
PART NUMBER
PRICE CODE
-
Capacitor, 100uF 6.3V
VCEAGA0JW107M
AB
Sharp Electronics (UK) Limited    CE Technical Support Group
Originator  
$Y:
    Supervisor   
   
     Approval Date       /    /        Reference   LV-029 
White - Carry out as required      Yellow - Carry out as required and whenever unit comes in for service      Red - Carry out on all units
LCP970502
Month of Issue :
May 1997
Classification : 
White
LCP TECHNICAL BULLETIN
Page 2 of 2
Details of Modification to the Main PWB
Sharp Electronics (UK) Limited    CE Technical Support Group
Originator  
$Y:
    Supervisor   
   
     Approval Date       /    /        Reference   LV-029 
White - Carry out as required      Yellow - Carry out as required and whenever unit comes in for service      Red - Carry out on all units
LCP970502
Month of Issue :
May 1997
Classification : 
White
LCP TECHNICAL BULLETIN
Page 2 of 2
Details of Modification to the Main PWB
Sharp Electronics (UK) Limited    CE Technical Support Group
Originator  
$Y:
    Supervisor   
   
     Approval Date       /    /        Reference   LV-029 
White - Carry out as required      Yellow - Carry out as required and whenever unit comes in for service      Red - Carry out on all units
LCP970502
Month of Issue :
May 1997
Classification : 
White
LCP TECHNICAL BULLETIN
Page 2 of 2
Details of Modification to the Main PWB
Sharp Electronics (UK) Limited    CE Technical Support Group
Originator  
$Y:
    Supervisor   
   
     Approval Date       /    /        Reference   LV-029 
White - Carry out as required      Yellow - Carry out as required and whenever unit comes in for service      Red - Carry out on all units
LCP970502
Month of Issue :
May 1997
Classification : 
White
LCP TECHNICAL BULLETIN
Page 2 of 2
Details of Modification to the Main PWB

Download Sharp XG-3785E (serv.man5) Technical Bulletin

Here you can view online or download Sharp XG-3785E (serv.man5) Technical Bulletin in pdf. This Technical Bulletin can help you recover, restore, fix, disassemble and repair Sharp XG-3785E (serv.man5) Projector. Information contained in Sharp XG-3785E (serv.man5) 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).