LG 43LF5400-UB Service Manual page 19
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Also See for 43LF5400-UB:
- Safety and reference (45 pages) ,
- Owner's manual (31 pages) ,
- Service manual (29 pages)
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5. HDMI Video
Check input signal format.
Is it supported?
OK
Check HDMI Cable conductors
for damage or open conductor.
OK
Check EDID
AR102, AR101, AR410, AR411 I2C
Signal
OK
Check JK403, JK404
OK
Check HDMI_DET (HPD)
OK
Check HDMI Signal
OK
C h e c k M s t a r LV D S
Output
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LG Electronics. Inc. All rights reserved.
Only for training and service purposes
NO
Replace the defective IC or
re-download EDID data
NO
Replace Jack
NO
Replace R418, R410,
Q400, R419
NO
Check other set
If no problem, check signal line
NO
Replace Mstar(IC101) or
Main Board.
NO
Replace Main Board
- 19 -
LGE Internal Use Only
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