LC-32/40/46LE600E/RU/S
5 – 25
<When EXT5/6/7 (HDMI) is used for external input> No picture on the display (5)-3
No HDMI2 digital video output when the EXT7 external input is
used.
Checklist:
1) Is “INPUT SOURCE” button
on the remote control set up correctly?
•••
set it as “EXT5”/”EXT6”/”EXT7” with the INPUT SOURCE button on
the remote control.
2) Is MENU-Picture-Backlight/Contrast/Brightness set to “MIN”?
•••
Set it to an appropriate level.
3) Check the connection to the external device
•••
Connect it correctly as per the operation manual for the device.
4) Attention: The terminal of IC3303 (VCT) cannot be actually checked by hiding oneself, and check it with another terminal of the same line,
please.
Is the HDMI Digital video signal sent to pin (1)-(9) of EXT7 termi-
nal (SC1503)? (HDMI2_D [0:2] _P/N)
NO
Check external connection, input setting, EXT7 terminal
(SC1503) and peripheral circuits.
YES
Is the HDMI Digital video signal sent to pin (3)-(8) of IC1508
(HDMI-receiver)? (HDMI2_D [0:2] _P/N)
NO
Check short circuit of EXT7 terminal (SC1503), and peripheral
circuits.
YES
Is HDMI_SW_ Digital Video signal sent to pin (AF16) (AE16)-
(AF18) (AE18) of input terminal of IC3303 (VCT)?
(HDMI_SW_D [0:2] P/N)
NO
Check short circuit of IC1508 (HDMI_receiver), power source
and peripheral circuits.
YES
Is the LVDS video signal (LVDS0_D [0:4]
±
) input to pins (40)-
(28) of LW Connector (P2601), and is CLK signal (TCLK
±
) input
to pins (32)/(33)?
NO
Check whether there is short circuit between [A6:A11], [B6:B11]
pin of IC3303 (VCT) and (40)-(28) pin of LW Connector (P2601),
and peripheral circuits.
YES
Is the I2C signal (VCOM_SDA/SCL) send to pin(12)/(13) of LP
Connector (P2602)?
NO
Check the I2C signal of IC2602 and peripheral circuit.
YES
Is the PNL12V output to pin (1)/(2) of PL Connector (CN7004(32
inch)/CN7503(40/46 inch)) of POWER UNIT?
NO
Check PL connector of POWER UNIT and U7053(32inch)/
IC7502(40/46inch).
YES
Exchange LCD-CONT-UNIT and do it operate normally?
NO
Check the contact of the LCD-CONT-UNIT connection harness
(LW/LP/PL).
Exchange LCD-PANEL if it is useless even if it exchanges it.
Содержание Aquos LC-32LE600E
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Страница 62: ...LC 32 40 46LE600E RU S 6 16 2 12 IC8401 RH iXC721WJQZQ 2 12 1 Block Diagram ...
Страница 75: ...LC 32 40 46LE600E RU S 7 2 2 OVERALL WIRING DIAGRAM LC 40LE600E RU S ...
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Страница 77: ...LC 32 40 46LE600E RU S 7 4 4 SYSTEM BLOCK DIAGRAM LC 32LE600E RU S ...
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