LC-46/60LE925E
7 – 12
[External input HDMI-1/2/3/4] No picture on the display (11)
Does not the picture/sound of the HDMI signal input to HDMI-1/2/3/4 go out?
Is the Hot plug detection function output from pin (19) of the HDMI-1 (SC1503)
normal?
NO Check the line between SC1503 and pin (45)
of IC1504 (HDMI-SW).
Is the Hot plug detection function output from pin (19) of the HDMI-2 (SC1502)
normal?
NO Check the line between SC1502 and pin (41)
of IC1504 (HDMI-SW).
Is the Hot plug detection function output from pin (19) of the HDMI-3 (SC1501)
normal?
NO Check the line between SC1501 and pin (35)
of IC1504 (HDMI-SW).
Is the Hot plug detection function output from pin (19) of the HDMI-4 (SC1505)
normal?
NO Check the line between SC1505 and pin (31)
of IC1504 (HDMI-SW).
YES
NO
Check the setting of an external input device
that connects with HDMI-1/2/3/4.
Is EDID data pins (58/HDMI1_SCL), (57/HDMI1_SDA) of IC1504 accessed, and is it
read from pins (15, 16) of a HDMI-1 (SC1503)?
NO Is access possible in the exchange of
IC1504?
Is EDID data pins (73/HDMI2_SCL), (72/HDMI2_SDA) of IC1504 accessed, and is it
read from pins (15, 16) of a HDMI-2 (SC1502)?
NO
Is EDID data pins (54/HDMI3_SCL), (53/HDMI3_SDA) of IC1504 accessed, and is it
read from pins (15, 16) of a HDMI-3 (SC1501)?
Check the peripheral circuit of SC1502/1503/
1505/1501 and IC1504.
Is EDID data pins (49/HDMI4_SCL), (48/HDMI4_SDA) of IC1504 accessed, and is it
read from pins (15, 16) of a HDMI-4 (SC1505)?
YES
Is the TMDS signal input into pins (27, 26/HDMI1_CLKP/N), (29, 28/HDMI1_D0P/N),
(31, 30/HDMI1_D1P/N), (33, 32/HDMI1_D2P/N) of IC1504 from HDMI-1 (SC1503)?
NO Check the line between HDMI-1 (SC1503)
and IC1504.
Is the TMDS signal input into pins (18, 17/HDMI2_CLKP/N), (20, 19/HDMI2_D0P/N),
(22, 21/HDMI2_D1P/N), (24, 23/HDMI2_D2P/N) of IC1504 from HDMI-2 (SC1502)?
NO Check the line between HDMI-2 (SC1502)
and IC1504.
Is the TMDS signal input into pins (9, 8/HDMI3_CLKP/N), (11, 10/HDMI3_D0P/N),
(13, 12/HDMI3_D1P/N), (15, 14/HDMI3_D2P/N) of IC1504 from HDMI-3 (SC1501)?
NO Check the line between HDMI-3 (SC1501)
and IC1504.
Is the TMDS signal input into pins (100, 99/HDMI4_CLKP/N), (2, 1/HDMI4_D0P/N),
(4, 3/HDMI4_D1P/N), (6, 5/HDMI4_D2P/N) of IC1504 from HDMI-4 (SC1505)?
NO Check the line between HDMI-4 (SC1505)
and IC1504.
YES
Is the TMDS signal output from IC1504 respectively?
Pins (86, 87/SW_TMDS_CLKP/N), (84, 85/SW_TMDS_D0P/N),
(82, 83/SW_TMDS_D1P), (80, 81/SW_TMDS_D2P)
NO Check the IC1504 and peripheral circuits.
YES
Is the above-mentioned TMDS signal input to connector SC1501? NO Check the line between IC1504 and SC1501.
YES
Is the above-mentioned TMDS signal input to connector SC5601 on HDMI CON-
VERTER from MAIN PWB?
NO Check the Harness [HN/MAIN-HDMI CON-
VERTER]
YES
Power is supplied to HDMI CONVERTER? NO Check the Harness [PN/POWER-HDMI CON-
VERTER]
YES
Is the above-mentioned TMDS signal input to connector SC1501 from HDMI CON-
VERTER?
NO Check the Harness [HN/MAIN-HDMI CON-
VERTER]
YES
Is TMDS signal input to IC3302 (Digital AV decode & Main CPU)?
Pins (AJ8, AK8/TX_TMDS_D1N/P), (AJ9, AK9/TX_TMDS_D2N/P),
(AJ7, AK7/TX_TMDS_D0N/P), (AK6, AJ6/TX_TMDS_CLKN/P) from SC1501
NO Check the line between IC1504 and IC3302.
YES
Refer to “The picture doesn't appear in all modes.” or “No sound output in all
modes.”
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General
Weight and Dimensions
