LC-32/40/46LE600E/RU/S
5 – 20
<When EXT3/4/8 is used for external input> No picture on the display (4)-1
No Component video output when the EXT3 external input is
used.
Checklist:
1) Is “INPUT SOURCE” button
on the remote control set up correctly?
•••
set it as “EXT3”/”EXT4”/”EXT8” 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 component video signal sent to pin (3) (5) (7) of EXT3 ter-
minal (J503)? (Y, Pb, Pr)
NO
Check external connection, input setting, EXT3 terminal (J503)
and peripheral circuits.
YES
Is the component video signal (COMP_Y/Pb/Pr) sent to input ter-
minal pin (AE21) (AD22) (AF22) of IC3303 (VCT)?
NO
Check between pins (3) (5) (7) of EXT3 terminal (J503) and pins
(AE21) (AD22) (AF22) of IC3303 (VCT) 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.
Summary of Contents for Aquos LC-32LE600E
Page 50: ...LC 32 40 46LE600E RU S 6 4 2 2 IC1302 VHiMT8292N 1Y 2 2 1 Block Diagram ...
Page 62: ...LC 32 40 46LE600E RU S 6 16 2 12 IC8401 RH iXC721WJQZQ 2 12 1 Block Diagram ...
Page 75: ...LC 32 40 46LE600E RU S 7 2 2 OVERALL WIRING DIAGRAM LC 40LE600E RU S ...
Page 76: ...LC 32 40 46LE600E RU S 7 3 3 OVERALL WIRING DIAGRAM LC 46LE600E RU S ...
Page 77: ...LC 32 40 46LE600E RU S 7 4 4 SYSTEM BLOCK DIAGRAM LC 32LE600E RU S ...
Page 78: ...LC 32 40 46LE600E RU S 7 5 5 SYSTEM BLOCK DIAGRAM LC 40LE600E RU S ...
Page 79: ...LC 32 40 46LE600E RU S 7 6 6 SYSTEM BLOCK DIAGRAM LC 46LE600E RU S ...
Page 95: ...LC 32 40 46LE600E RU S 9 12 ...