Sharp AQUOS LC-42D64U, Руководство по обслуживанию

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LC-42/46/52D64U
6 – 4
No video (3)
S-VIDEO: No external input video [INPUT-2]
Is INPUT-2 selected on the input select menu screen?
YES
NO
Does the INPUT-2 S1_PLUG
detection function?
Check the line between pin(6) of
input terminal(J504) and pin(41)
of IC501(AV_SW).
Are there the S-VIDEO signal inputs at pins(42)(Y) and (44)(C) of
IC501(AV_SW)?
YES
NO
Check the line between
pins(3)(Y)/(4)(C) of J504 and
pins(42)/(44) of IC501.
Are there the S-VIDEO signal outputs at pins(59)(Y) and (57)(C) of
connector(SC501) on the TERMINAL unit? NO Check the line between IC501 and SC501 (Q501 thru Q504,
etc.).
YES
Are there the S-VIDEO signal inputs at pins(59)(Y) and (57)(C) of con-
nector(SC2203) on the MAIN unit? NO Check the line between SC501 and SC2203 connectors.
YES
Are there the S-VIDEO signal inputs at pins(AL17)(Y) and (AL16)(C) of
IC8001(CPU)? NO Check the line between SC2203 and IC8001 (Q2201 and
Q2205, etc.).
YES
Are the LVDS signal outputs at the LVDS 1st channel and 2nd channel
of IC8001?
LVDS_TX_0_DATA0_P/N(C7/B7), LVDS_TX_0_DATA1_P/N(E7/D7),
LVDS_TX_0_DATA2_P/N(C6/B6), LVDS_TX_0_DATA3_P/N(C5/B5),
LVDS_TX_0_DATA4_P/N(E5/D5), LVDS_TX_0_CLK_P/N(E6/D6),
LVDS_TX_1_DATA0_P/N(B4/A4), LVDS_TX_1_DATA1_P/N(E4/D4),
LVDS_TX_1_DATA2_P/N(B3/A3), LVDS_TX_1_DATA3_P/N(B1/B2),
LVDS_TX_1_DATA4_P/N(F5/F6), LVDS_TX_1_CLK_P/N(C2/C3),
NO
Check IC8001 and its peripheral circuits.(IC8151 thru IC8154,
etc.)
YES
Check the panel module.