Sharp LC-32A28L

LC-32A28L, LC-42A48L
34
<External input HDMI2>No picture on the display (10)
↓
Does not the picture of the HDMI signal input to Input6(HDMI2) go out?
MINI AV_UNIT: ↓
↓
YES
↓YES
<External input VGA>No picture on the display (12)
↓
Does not the picture of the PC IN(ANALOG) video signal input to VGA(15pin-D-SUB terminal) go out?
TERMINAL_UNIT: ↓
MAIN_UNIT: ↓YES
↓YES
Is the HOT_PLUG detection function of pin (19) of a HDMI terminal
(CN502) normal?
NO
Check the line between pin (41) of IC U409 and CN502.
Refer to “The picture doesn't appear in all modes.”
Check the connection and setup with the external HDMI devices.
Is TMDS signal input into pin (18, 17)/RX2±, (16, 15)/RX1±, (14,
13)/RX0±, (12, 11)/RXC± of IC U409?
Check the line between IC U409 and CN502.
NO
Is R/G/B/H/V signal sent to pin (1)/R, (2)/G, (3)/B, (14)/H, (13)/V of
VGA (CN107)?
NO
Check the setting of an external input device that connects of
CN107.
Refer to “The picture doesn't appear in all modes.”
Is R/G/B/H/V signal sent to pin (52)/R, (50)/G, (48)/B, (47)/H, (46)/V
of IC U401?
NO
Check the line between IC U401 and CN107.