DOWNLOAD Sharp 76DW-18H (serv.man32) Service Manual ↓ Size: 23.24 KB | Pages: 1 in PDF or view online for FREE

Model
76DW-18H (serv.man32)
Pages
1 Few pages! See other manuals at the bottom of the first or last page.
Size
23.24 KB
Type
PDF
Document
Service Manual / Technical Bulletin
Brand
Device
TV / CTR / Faults on the 100Hz PWB
File
76dw-18h-sm32.pdf
Date

Sharp 76DW-18H (serv.man32) Service Manual / Technical Bulletin ▷ View online

 
Sharp Electronics (UK) Limited 
Reference JR031299-1
   
Revision  2 
 
White – Carry out as required, Yellow – Carry out as required and whenever the unit comes in for service, Red – Carry out on all units   
CTV991202 
Month of Issue: December 1999 
        Classification:                   White      
TELEVISION TECHNICAL BULLETIN 
     Page 1 of 1 
 
 
MODELS
  
66DW18H 
76DW18H 
76EF19H 
76EF20H 
 
 
 
 
 
 
SYMPTOM 
The following problems can occur on the 100Hz PWB. 
 
• 
Intermittent digital noise on the picture  
• 
Intermittent mosaic squares on the picture  
• 
Mosaic effect if the 100Hz PWB is tapped  
• 
Red, green or blue screen if the 100Hz PWB is tapped        
 
 
 
CAUSE Problems around the field mixer IC, SDA9270. 
 
• 
IC6108 in the 66DW18H and 76DW18H 
• 
IC6105 in the 76EF19H and 76EF20H       
 
 
ACTION Carry out the following counter measures.  
 
1. Make sure that there are no dry joints on the Mother PWB  
2. Resolder IC6108/IC6105 by reflowing the device - it is not necessary to remove 
IC6108/IC6105   
 
Note that you can operate the 100Hz PWB with the shield cans removed.   
 
It is important that these are returned to there original condition when the job is 
completed.            
 
 
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Sharp 76DW-18H (serv.man32) Service Manual / Technical Bulletin ▷ Download

  • DOWNLOAD Sharp 76DW-18H (serv.man32) Service Manual ↓ Size: 23.24 KB | Pages: 1 in PDF or view online for FREE
  • Here you can View online or download the Service Manual / Technical Bulletin for the Sharp 76DW-18H (serv.man32) in PDF for free, which will help you to disassemble, recover, fix and repair Sharp 76DW-18H (serv.man32) CTR. Information contained in Sharp 76DW-18H (serv.man32) Service Manual / Technical Bulletin (repair manual) includes:
  • Disassembly, troubleshooting, maintenance, adjustment, installation and setup instructions.
  • Schematics, Circuit, Wiring and Block diagrams.
  • Printed wiring boards (PWB) and printed circuit boards (PCB).
  • Exploded View and Parts List.