LC-52LE920UN/LC-60LE920UN
I | .o video 13) | I |
I | No video at UHFNHF broadcast si_lnal reception | I |
I Is the specified TV signal selected on the input select menu screen?
Is there the analog video signal output (VIDEO) at pin (15) of tuner (TUl102)?
_' NO
Check TUl102 and its peripheral circuits (TUN_SDA: Pin6 of TUl102 TUN_SCL: Pin7 of TUl102, etc.).
YES
Is there the analog video signal input at pin (AD29) of IC3302 (CPU)?
I | No video at di_lital broadcast si_lnal reception | I |
I
Are there the video signal outputs (IF_P/N) at the pins (9) and (10) of tuner (TUl102)?
_r NO
Check TUl102 and its peripheral circuits (TUN_SDA: Pin6 of TUl102 TUN_SCL: Pin7 of TUl102, etc.).
YES
Are there the video signal inputs at pin (AA29) and (AB29) of IC3302 (CPU)?
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| _' NO |
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| Check the line between IC3302 and TUl102, | ||||||
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| and their peripheral circuits. |
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YES |
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| YES | |
Are the LVDS signal outputs at the LVDS 1st channel and 2nd channel of IC3302? | |||||||||
LVDS | TX | 0 | DATA0_P/N | (C14/D14), | LVDS | TX | 0 | DATAI_P/N | (C15/D15), |
LVDS | TX 0 DATA2_P/N | (C16/D16), LVDS TX 0 DATA3_P/N (C18/D18), | |||||||
LVDS | TX | 0 | DATA4_P/N | (C19/D19), | LVDS | TX | 0 | CLK P/N (C17/D17), | |
LVDS | TX | 1 | DATA0_P/N | (A14/B14), | LVDS | TX | 1 | DATAI_P/N | (A15/B15), |
LVDS | TX | 1 | DATA2_P/N | (A16/B16), LVDS TX 1 DATA3_P/N (A18/B18), | |||||
LVDS | TX | 1 | DATA4_P/N | (A19/B19), LVDS TX 1 CLK_P/N (A17/B17). | |||||
_' YES |
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[ Check | the | panel module. |
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_' NO
Check the line between IC3302 and TUl102, and their peripheral circuits (Cl129/Cl130, etc.).
NO | Check IC3302 | and its peripheral circuits. |
| (IC3501/IC3502, | etc.) |
