Hdmi2 No Screen - Samsung T220HD Service Manual

4-6. HDMI2 No Screen

Diagnostics
Caution Make sure to disconnect the power before working on the IP board.
Does led persists green light after
power on?
Yes
Dose proper 5V appear at pin No.
18 of CN504?
Yes
Does proper signals appear at
pin No.15(SCL) ⑧
and No.16(SDA) ⑨ of CN508?
Yes
Does proper clock signals
appear at pin NO.53 and NO.54
of IC600?
Yes
Does proper clock signals appear
at pin NO.11,12,23,24 of CN300?
Yes
Check connection between main
board and panel.
Change Panel.
IC302
CN300
IC204
IC600
Main Board Front
No
No
No
No
No
4. Troubleshooting
CN504
Check IP board
Check HDMI cable connection
Change IC204
Change IC600
Change main board
because of scaler problem
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