LG 49UF6700 - HDMI Video No Signal (HDMI S;W Block)

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LGE Internal Use Only
Copyright © LG Electronics. Inc. All rights reserved.
Only for training and service purposes
6. HDMI Video No signal (HDMI S/W Block)
Check input signal format. Is it supported?
OK
Check HDMI cable
OK
Check X-TAL X3200
NG
Replace X3200
OK
Check HDMI S/W IC power block 1.1V : IC3205, L3205, L3200,
L3203,
3.3V : Q3204 , L3201, R3214,
L3204, R3221
Replace IC3205, Q3204
OK
Check DDC in-start menu
NG
Replace DDC component HDMI1 : AR3207, AR3201, D3218 HDMI2 : AR3204, AR3200, D3208
OK
NG
NG
Replace IC3200 or Main Board or HDMI Jack HDMI1 : JK3203 HDMI2 : JK3200
Check DDC component HDMI1 : AR3207, AR3201, D3218 HDMI2 : AR3204, AR3200, D3208
NG
Check TMDS signal HDMI1 : JK3203 HDMI2 : JK3200 1,3,4,6,7,9,10,12 pin
NG
Replace HDMI Jack HDMI1 : JK3203 HDMI2 : JK3200
NG
Replace IC3200 or Main Board
OK
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