6 - 5
3. Checking the Back Light Unit
OK
NG
NG
Failure point
Printed wire broke between I308
pin 59 and P303.
OK
NG
Failure point
1) Printed wire broke between
I308 pin 202 and P303.
2) I312 failure.
Check the BKLT_EN signal of the
rectangle input P303 pin 13 at TTL high
level
Check the PWM signal of the input from
I308 pin 202 is a PWM signal.
Failure point
Inverter of LCD module failure
Is a "H" level being output in the TTL level
from I308 pin 59
Or, is BKLT_EN signal of the rectangle
being output?
OK
Summary of Contents for MultiSync 20WGX2 Series
Page 5: ...MultiSync 20WGX2 User s Manual ...
Page 45: ...4 8 Page 6 Each Color Temperature Data Adjustment needed Page 5 LCD panel type ...
Page 116: ...8 1 REPLACEMENT PARTS LIST TABLE OF CONTENTS Page Model 20WGX2 B For Europe 8 2 ...
Page 140: ...11 1 PACKING SPECIFICATION TABLE OF CONTENTS Page B Version 11 2 ...
Page 141: ...11 2 ...
Page 143: ...12 1 Revision History Revision Revision New Issue 1st Edition 2006 03 ...