Sharp LC-32SV502B, Руководство по обслуживанию

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LC-32SV502B/LC-42SV502B/LC-42SV602B/LC-46SV602B/LC-46SV502L
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<External input AV (Composite)>No picture on the display (5)
↓
Does not the picture of the composite video signal input to AV(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:
↓
↓ NO
YES
↓ YES
↓ YES
<External input HDM2 >No picture on the display (7)
↓
Does not the picture of the HDMI signal input to HDMI2 go out?
MINI AV_UNIT:
↓
↓ NO
YES
↓ YES
↓ YES
Is CVBS signal sent to pin (2) of AV (CN101) ?
NO
Check the setting of an external input device that connects of
CN101.
Refer to “ The picture doesn't appear in all modes. ”
Is CVBS signal sent to pin (A19) of IC U401?
NO
Check the line between IC U401 and CN101.
Is the HOT_PLUG detection function of pin (19) of a HDMI terminal
(CN503) normal?
NO
Check the line between pin (35) of IC U505 and CN503.
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 ((3,4)/( RR0X0), (5,6)/( RR0X1),
(7,8)/( RR0X2), (1,2)/( RR0XC)) of IC U502?
Check the line between IC U502 and CN503.
NO
Is TMDS signal output from pin ((56/57/58/59/60/61/62/63)/(RX1) of
IC U502?
Check IC U502 and peripheral circuits.
NO
Is the HOT_PLUG detection function of pin (19) of a HDMI terminal
(CN5023) normal?
NO
Check the line between pin (41) of IC U502 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 ((13,14)/( RR1X0), (15,16)/( RR1X1),
(17,18)/( RR1X2), (11,12)/( RR1XC)) of IC U502?
Check the line between IC U502 and CN502.
NO
Is TMDS signal output from pin ((56/57/58/59/60/61/62/63)/(RX1) of
IC U502?
Check IC U502 and peripheral circuits.
NO