2008-03-14
LC-19S7E-BK LC-26S7E-BK LC-32S7E-BK
43
<External input AV side(Composite)>No picture on the display (5)
↓
Does not the picture of the composite video signal input to AV side(Composite) go out?
TERMINAL UNIT: ↓
MAIN_UNIT: ↓YES
↓YES
<External input HDMI1>No picture on the display (6)
↓
Does not the picture of the HDMI signal input to HDMI1 go out?
MINI AV_UNIT: ↓
↓
YES
↓NO
YES
↓YES
Is CVBS signal sent to pin (2) of AV side(CN1206) ?
NO
Check the setting of an external input device that connects of
CN1206.
Refer to “The picture doesn't appear in all modes.”
Is CVBS signal sent to pin 33 (CVBS1) of IC U4201?
NO
Check the line between IC U4201 and CN1206.
Is the HOT_PLUG detection function of pin (19) of a HDMI terminal
(CN1501) normal?
NO
Check the line between pin 50 of IC U1503 and CN1501.
Refer to “The picture doesn't appear in all modes.”
Check the connection and setup with the external HDMI devices.
Are EDID data pin (6)(SCL) of IC U1501 (EEPROM), pin (5)(SDA)
accessed, and is it read from pin (15), pin (16) of a HDMI
terminal(CN1501)?
NO
Is access possible in the re-writing or exchange of EDID data of
IC U1501?
Check CN1501, IC U1501 and peripheral circuits.
Is TMDS signal input into pin(RX_B2+, RX_B2-)/D2±_2,(RX_B1+,
RX_B1-)/D1±_2, (RX_B0+, RX_B0-)/D0±_2, (RX_BC+, RX_BC-)/CLK
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