LC-32/40/46LE600E/RU/S
5 – 14
<When tuner (U/V, DTV) is received> No picture on the display (1)-2
No picture appears on LCD during the tuner (DTV) reception.
Checklist:
1) Is “INPUT SOURCE” button
on the remote control set up correctly?
•••
set it as “TV” 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) Is ANT-CABLE disconnected or connected improperly?
•••
Connect it correctly as per the operation manual.
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.
YES
Is the level of pins (9) and (8) of tuner (TU1102) at “H”?
NO
These are communications lines for control (I2C). Follow the
path and check whether they are forced to L(PULL_DOWN).
(IC3303 (F25) (F24) pin)
YES
Is the digital video signal (DIFP/N) output from pin (16) (17) of
tuner (TU1102)?
NO
Check the tuner (TU1102) and peripheral circuits.
YES
Is the digital video signal (DIFP/N) input to pin (T25) (R25) of
lC3303 (VCT)?
NO
Isn't there any part with short-circuits at IC3303 (VCT)? or Check
peripheral circuits.
YES
Is the LVDS video signal (LVDS0_D [0:4]
±
) output from pin
[A6:A11], [B6:B11] of lC3303 (VCT)?
NO
Check 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 ...