TU-X1U
4 – 19
No audio (3)
No audio at UHF/VHF broadcast signal reception.
No audio at digital broadcast signal reception.
Is TV selected on the input select menu screen?
Is TV selected on the input select menu screen?
YES
NO
YES
NO
Is the audio output selected for "VARIABLE" on the
menu screen?
Is the audio output selected for "VARIABLE" on the menu screen?
Set the audio output to "FIXED".
Set the audio output to "FIXED".
Is there the SIF signal output at pin (15) of tuner (TU1101)?
Are there the video signal outputs (IF_OUT_PT/NT) at the pins (19) and (20)
of tuner (TU1101)?
YES
NO
YES
NO
Check the tuner (TU1101) and its peripheral circuits.
Check TU1101 and its peripheral circuits (SDA3_5/SCL3_5, etc.).
Does the SIF signal come from pin(15) of tuner (TU1101) to pin
(AN23) of IC8001 (CPU)?
Are there the video signal inputs at pin (AM33) and (AM34) of IC8001 (CPU)?
YES
NO
YES
NO
Check the line between TU1101 and IC8001, and
their peripheral circuits. (Q1101, Q1102, etc.)
TU1101 pin (15)
P1101 pin (10)
SC2202 pin (10)
IC8001 pin (AN23)
Check the line between TU1101 and IC8001, and their peripheral
circuits (L2204, C2229, etc.).
TU1101 pin (19)(P) pin (20)(N)
P1101 pin (6) pin (5)
SC2202 pin (6) pin (5)
IC8001 pin (AM33) pin (AM34)
Does the I2S signal come from pins (AL24)(DSP_MCLK1), (AK25)
(DSP_BCKIN1), (AJ25)(DSP_LRCK1), (AL25)(DSP_SDIN1) of IC8001 (CPU)
to pins (5), (11), (10), (9) of IC4504 (HDMI_Tx)
NO
Check the line between IC8001 and IC4504, and
their peripheral circuits.
YES
Does the HOT PLUG detection function?
Is the DDC5V signal output at the pin (18) of SC4501 (HDMI_OUTPUT)?
NO
Check the line between SC4501 and IC4503, and
their peripheral circuits.
YES
Does the HPD signal come from pin (19) of SC4501 (HDMI_OUTPUT) to pin
(51) of IC4504 (HDMI_Tx)?
NO
Check the line between SC4501 and IC4504, and
their peripheral circuits.
YES
Check the HDMI cable and Monitor Unit.
Are there the TMDS signal outputs at pins (12/10)(CLK-/+), (9/7)(D0-/+), (6/4)
(D1-/+), (3/1)(D2-/+), all of SC4501 (HDMI_OUTPUT)?
NO
Check the line between SC4501 and IC4504, and
their peripheral circuits.
YES
Check the HDMI cable and Monitor Unit.
Содержание TU-X1U
Страница 8: ...TU X1U 1 4 3 DIMENSIONS 430 0 318 3 328 9 71 0 Unit mm ...
Страница 57: ...TU X1U 7 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 Side B ...
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Страница 81: ...TU X1U 8 18 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 17 18 ...
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Страница 83: ...TU X1U 8 20 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 84: ...TU X1U 8 21 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 TERMINAL Unit 1 2 ...
Страница 85: ...TU X1U 8 22 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 TERMINAL Unit 2 2 ...
Страница 86: ...TU X1U 8 23 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 SUB TERMINAL Unit ...