MAIN UNIT:
<External Input(HDMI_3)>No picture on the display (5)
Does not the picture display when HDMI cable plugged into HDMI_3?
Is TMDS signal input into pin
HDMI0_RX2+, HDMI0_RX2-,
HDMI0_RX1+, HDMI0_RX1-
HDMI0_RX0+, HDMI0_RX0-
HDMI0_RC+ , HDMI0_RC-, of IC
Refer to “The picture doesn't appear in
all modes.”
Check the circuit between pin (K27) of
IC U502 and CN624
Check the circuit between IC U502
NO
NO
YES
YES
Is the HDMI3_HPDO detection function
of pin (19) of a HDMI terminal (CN624)
normal?
Check the connection and setup with
the external HDMI devices.
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