Hdmi Output - LG S94T1-S Service Manual

ELECTRICAL TROUBLESHOOTING GUIDE
5. NO HDMI OUTPUT
No HDMI audio / video output
JK802 H_5VA OK?
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?
HDMI output OK.
YES
YES
YES
YES
YES
NO
Check H_5VA IC156.
NO
NO
Check hot plug detect signal from TV.
NO Check IC501 MT8580 VCC
or replace IC501 MT8580.
2-56
Check IC100.