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Sharp LC-42XL2E User Manual

Sharp LC-42XL2E
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LC-42XL2E/S/RU, LC-46XL2E/S/RU, LC-46X20E/S/RU, LC-52XL2E/S/RU, LC-52X20E/S/RU
4 – 16
<When EXT4 is used for external input> No picture on the display (9)
Does not the picture of the HDMI signal input to EXT4 go out?
MINI AV_UNIT:
Is the HOT_PLUG detection function of pin (19) of a HDMI termi-
nal (SC801) normal?
NO Check the between pin (25) of IC803 (HDMI_BUFFER) and pin
(19) of SC801. (IC807, etc.)
YES
Check the connection and setup with the external HDMI devices.
Are EDID data pin (6)/SCL of IC802 (EEPROM), pin (5) / SDA
accessed, and is it read from pin (15), (16) of a HDMI terminal
(SC801)?
NO Is access possible in the re-writing or exchange of EDID data of
IC802?
YES
NO
Check SC801, IC802, IC803 and peripheral circuits.
Is TMDS signal input into pin (28, 27)/RXC±, (30, 29)/RX0±, (33,
32)/RX1±, (35, 34)/RX2± of IC803 (HDMI_BUFFER) of IC803
from SC801?
NO Check the line between SC801 and IC803.
YES
Is TMDS signal output into pin (11, 12), (8, 9), (5, 6), (2, 3) of the
connector SC802 from pin (8, 9)/CLK±, (6, 7)/DAT0±, (3, 4)/
DAT1±, (1, 2)/DAT2± of IC803?
NO Check the line between IC803 and SC802.
YES
Is TMDS signal input into pin(59,58)/TMDS6_CLK±, (62, 61)/
TMDS6_D0±, (65, 64)/TMDS6_D1±, (68, 67)/TMDS6_D2± of
IC1507?
NO Check the line between connector (SC802) and IC1507.
(SC802, SC1503 and Wire harness (HM))
YES
Is each signal output from pin (10, 11)/TMDS_CLKP/N, (7, 8)/
TMDS_D0P/N, (4, 5)/TMDS_D1P/N, (1, 2)/TMDS_D2P/N, (77,
78)/SDA_SINK/SCL_SINK, (79)/DDC5VOR_A of IC1507?
NO Is the control signal named IC1507 and IC9101 (CPLD) normal?
(HDMI_SW_INT, HDMI_RST, etc.)
YES
Is each signal of IC3301 (VIDEO_PROCESSOR) pin (L1, L2)/TMDS_CLKP/N, (M1, M2)/TMDS_D0P/N, (N1, N2)/TMDS_D1P/N, (P1, P2)/
TMDS_D2P/N, (T11, U11)/SDA_SINK/SCL_SINK, (T10)/DDC5VOR_A input?
YES NO
Refer to “The picture doesn't appear in all modes.” Check the line between SC1101 and IC3301.

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Sharp LC-42XL2E Specifications

General IconGeneral
BrandSharp
ModelLC-42XL2E
CategoryLCD TV
LanguageEnglish

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