LC-32/37D64U
6 – 4
No video (4)
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(13) of
tuner(TU1101)?
Are there the video signal outputs (IF_OUT_P/N) at the pins(19) and
(20) of tuner(TU1101)?
YES
NO
YES
NO
Check TU1101 and its peripheral circuits.(SDA/
SCL_3_5, etc.)
Check TU1101 and its peripheral circuits.(SDA/
SCL_3_5, etc.)
Is there the analog video signal output at pin(79) of connector(SC501)
on the TERMINAL unit?
Are there the video signal outputs at pins(5) and (7) of connec-
tor(SC501) on the TERMINAL unit?
YES
NO
YES
NO
Check the line between TU1101 and
SC501.(Q510, etc.)
Check the line between TU1101 and SC501.
Is there the analog video signal input at pin(79) of connector(SC2203)
on the MAIN unit?
Are there the video signal inputs at pins(5) and (7) of connec-
tor(SC2203) on the MAIN unit?
YES
NO
YES
NO
Check the line between SC2203 and SC501 con-
nectors.
Check the line between SC2203 and SC501 con-
nectors.
Is there the analog video signal input at pin(AM19) of IC8001(CPU)?
Are there the video signal inputs at pin(AM33) and (AM34) of
IC8001(CPU)?
YES
NO
YES
NO
Check the line between IC8001 and SC2203.
(Q2214, etc.)
Check the line between IC8001 and SC2203.
(L2204, C2229, etc.)
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),
YES
NO
Check IC8001 and its peripheral circuits.(IC8151 thru IC8154, etc.)
Check the panel module.
