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LC
-
32DH57E-BK/RU-BK/S-BK
4 – 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 LCD12V input to (12)-(15) pin of LP Connector (P2604),
and is the I2C signal (VCOM_SDA/SCL) input to (3)/(4) pin?
NO
Check Q9606 (SW) for the LCD12V, and check IC2601 for the
I2C signal.
YES
Exchange LCD-CONT-UNIT and do it operate normally?
NO
Check the contact of the LCD-CONT-UNIT connection harness
(CN3/4).
Exchange LCD-PANEL if it is useless even if it exchanges it.
Содержание LC-32DH57E-BK
Страница 60: ...LC 32DH57E BK RU BK S BK 5 4 2 2 IC1302 VHiMT8292N 1Y 2 2 1 Block Diagram ...
Страница 71: ...LC 32DH57E BK RU BK S BK 5 15 2 10 IC8401 RH iXC721WJQZQ 2 10 1 Block Diagram ...
Страница 80: ...LC 32DH57E BK RU BK S BK 5 24 M E M O ...
Страница 94: ...LC 32DH57E BK RU BK S BK 8 3 1 2 3 10 9 7 6 5 4 8 J A B C D E F G H I 13 11 19 18 16 15 14 12 17 MAIN Unit 2 ...
Страница 95: ...LC 32DH57E BK RU BK S BK 8 4 1 2 3 10 9 7 6 5 4 8 J A B C D E F G H I 13 11 19 18 16 15 14 12 17 MAIN Unit 3 ...
Страница 96: ...LC 32DH57E BK RU BK S BK 8 5 1 2 3 10 9 7 6 5 4 8 J A B C D E F G H I 13 11 19 18 16 15 14 12 17 MAIN Unit 4 ...
Страница 97: ...LC 32DH57E BK RU BK S BK 8 6 1 2 3 10 9 7 6 5 4 8 J A B C D E F G H I 13 11 19 18 16 15 14 12 17 MAIN Unit 5 ...
Страница 98: ...LC 32DH57E BK RU BK S BK 8 7 1 2 3 10 9 7 6 5 4 8 J A B C D E F G H I 13 11 19 18 16 15 14 12 17 MAIN Unit 6 ...
Страница 99: ...LC 32DH57E BK RU BK S BK 8 8 1 2 3 10 9 7 6 5 4 8 J A B C D E F G H I 13 11 19 18 16 15 14 12 17 MAIN Unit 7 ...
Страница 100: ...LC 32DH57E BK RU BK S BK 8 9 1 2 3 10 9 7 6 5 4 8 J A B C D E F G H I 13 11 19 18 16 15 14 12 17 MAIN Unit 8 ...
Страница 101: ...LC 32DH57E BK RU BK S BK 8 10 1 2 3 10 9 7 6 5 4 8 J A B C D E F G H I 13 11 19 18 16 15 14 12 17 MAIN Unit 9 ...
Страница 102: ...LC 32DH57E BK RU BK S BK 8 11 1 2 3 10 9 7 6 5 4 8 J A B C D E F G H I 13 11 19 18 16 15 14 12 17 MAIN Unit 10 ...
Страница 103: ...LC 32DH57E BK RU BK S BK 8 12 1 2 3 10 9 7 6 5 4 8 J A B C D E F G H I 13 11 19 18 16 15 14 12 17 LED Unit ...
Страница 104: ...LC 32DH57E BK RU BK S BK 8 13 1 2 3 10 9 7 6 5 4 8 J A B C D E F G H I 13 11 19 18 16 15 14 12 17 KEY Unit ...
Страница 129: ...LC 32DH57E BK RU BK S BK 23 9 LCD PANEL MODULE 1 2 6 4 7 3 8 5 9 11 14 18 15 24 22 16 21 25 17 20 19 23 26 12 13 10 ...
Страница 132: ...LC 32DH57E BK RU BK S BK 26 11 PACKING PARTS NOT REPLACEMENT ITEM S8 S7 S4 S6 S9 S2 S3 S1 S7 S10 S7 S7 S5 ...