Sharp LC-60LE810UN Service Manual - Page 57

Lvds_tx_0_data0_p/n C14/d14, Lvds_tx_0_data1_p/n C15/d15

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Page 57 highlights

No video (3) LC-40/46/52/60LE810UN (1st Edition) No video at UHF/VHF broadcast signal reception No video at digital broadcast signal reception 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 (TU1102)? Are there the video signal outputs (IF_P/N) at the pins (9) and (10) of tuner (TU1102)? NO Check TU1102 and its peripheral circuits (TUN_SDA: Pin6 of TU1102 TUN_SCL: Pin7 of TU1102, etc.). YES Is there the analog video signal input at pin (AD29) of IC3302 (CPU)? NO Check TU1102 and its peripheral circuits (TUN_SDA: Pin6 of TU1102 TUN_SCL: Pin7 of TU1102, etc.). YES Are there the video signal inputs at pin (AA29) and (AB29) of IC3302 (CPU)? NO Check the line between IC3302 and TU1102, and their peripheral circuits. YES 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_DATA1_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_DATA1_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). NO Check the line between IC3302 and TU1102, and their peripheral circuits (C1129/C1130, etc.). NO Check IC3302 and its peripheral circuits. (IC3501/IC3502, etc.) YES Check the panel module. 6 - 3

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LC-40/46/52/60LE810UN (1st Edition)
6 – 3
No video (3)
No video at UHF/VHF broadcast signal reception
No video at digital broadcast signal reception
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
(TU1102)?
Are there the video signal outputs (IF_P/N) at the pins (9) and (10) of
tuner (TU1102)?
YES
NO
YES
NO
Check TU1102 and its peripheral circuits
(TUN_SDA: Pin6 of TU1102
TUN_SCL: Pin7 of TU1102, etc.).
Check TU1102 and its peripheral circuits
(TUN_SDA: Pin6 of TU1102
TUN_SCL: Pin7 of TU1102, etc.).
Is there the analog video signal input at pin (AD29) of IC3302
(CPU)?
Are there the video signal inputs at pin (AA29) and (AB29) of IC3302
(CPU)?
YES
NO
YES
NO
Check the line between IC3302 and TU1102,
and their peripheral circuits.
Check the line between IC3302 and TU1102, and
their peripheral circuits (C1129/C1130, etc.).
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_DATA1_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_DATA1_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).
NO
Check IC3302 and its peripheral circuits.
(IC3501/IC3502, etc.)
YES
Check the panel module.