LG Flatron W1943TB Service Manual page 19

Hide thumbs Also See for Flatron W1943TB:
Table of Contents

Advertisement

2. NO RASTER (OSD IS NOT DISPLAY)-LIPS
No Raster
(OSD Is Not Displayed)
Check CN701
PIN 6, PIN7 =5V?
YES
Check U703
PIN 2 =3.3V?
YES
Check C704 (+)
1.8V?
YES
Check CN701
PIN 6, PIN7 =5V?
YES
LIPS
 
NO
Check power board and find out a
short point as penning each power
line
NO
1.
Check U703
2.
Check C706,C707
NO
1. Check C704
2. TROUBLE IN SCALER IC  
NO
Check BL ON/OFF pulse as
contacting scope
- 19 -
 

Hide quick links:

Advertisement

Table of Contents
loading

Table of Contents