LG W4-4 - Hdmi Output

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ELECTRICAL TROUBLESHOOTING GUIDE
5. NO HDMI OUTPUT
No HDMI audio / video output
JK802 H_5VA OK?
Check H_5VA IC156.
YES
YES
YES
YES
NO
IC101
HPD_DET, HDMI_SDA, HDMI_SCL, CEC_RX/TX,
EDID_SW OK?
JK802 pin19 HP_DET
about 3.3 V OK?
Is there signal on
pin1, 3, 4, 6, 7, 9, 10, 12?
Check IC100.
Check hot plug detect signal from TV.
Check IC501 MT8580 VCC
or replace IC501 MT8580.
HDMI output OK.
YES
NO
NO
NO