7. Trouble shooting - No video (HDMI)
Check input signal format.
Is it supported?
Check HDMI Cable conductors
for damage or open conductor.
Check HDMI Switch
IC8300 video Signal and I2C line
Check JK8300 / 1 / 2 / 3
ok
ok
ok
No
No
Replace Coil or FET
ok
Replace Jack
Check HDMI Signal output
of HDMI Switch (IC8300)
Check resister R8329 ~ R8334
If no problem, check signal line
No
Replace BCM( IC900) or Main Board
No
Check HDMI_DET(HPD)
No
ok
Replace R8300.R8302, R8301,R8316
Check L8300(+3.3V) , Q200 (+1.8V)
Replace the defective IC.
No
OK
ok
No
Check FRC and BCM LVDS Output
Replace Mstar(IC9001) or BCM( IC900)
or Main Board.
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Only for training and service purposes
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