LG Electronics 42CS560-ZD service manual HDMI Video, No No No No No

8. HDMI Video

Check input signal format.

Is it supported?

ok

Check HDMI Cable conductors for damage or open conductor.

ok

Check EDID

R4033,R4034,R4035,R4036,

R4037,R4038 I2C Signal.

No

Replace the defective IC or re-download EDID data.

ok

Check JK801, JK802, JK803.

ok

Check HDMI_DET(HPD).

ok

Check HDCP EEPROM(IC103)

Power & I2C Signal

ok

Check HDMI Signal.

ok

Check Mstar LVDS Output.

No

No

No

No

No

Replace Jack.

Replace R830,R828,R862.

Replace the defective IC.

Check other set.

If no problem, check signal line.

Replace Mstar(IC101) or Main Board.

No

Replace Main Board.

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