LC-80LE642U
6 – 20
No audio signal at Digital Audio Output terminal (Analog sound heard)
No INPUT-1/2/3/4 (HDMI) audio.
No audio at digital broadcast signal reception.
If no video appears, refer to “No external input video (HDMI)
[INPUT-1/2/3/4]”.
If no video appears, refer to “No video at digital broadcast signal
reception”.
Is there the SPDIF signal output (CPU_ASPDIF) at pin (AR16) of IC3301 (CPU)?
YES
NO
Check the IC3301 and its peripheral circuits.
Is there the SPDIF signal (OPT_OUT) input at pin (2) of IC503 (SPDIF BUFFER & SPDIF-MUTE)?
YES
NO
Check the line between IC3301 and IC503.
Is there the MUTE signal input at pin (1) of IC503? (usual: High, Mute: Low)
YES
NO
Check the AUDIO_MUTE and their peripheral circuits (Q505, etc.).
Is there the SPDIF signal input at pin (1) of D527 (OPTICAL OUTPUT)?
YES
NO
Check the speakers and the optical cable.
Check D527 and its peripheral circuits.
No optical output under the following conditions as per HDMI requirements.
* Audio contents protected.
* Audio frequency beyond 48kHz.
* Audio bit length beyond 16bits.
Содержание Aquos LC-80LE642U
Страница 6: ...LC 80LE642U 1 1 Service Manual CHAPTER 1 SPECIFICATIONS 1 SPECIFICATIONS ...
Страница 7: ...LC 80LE642U 2 1 Service Manual CHAPTER 2 OPERATION MANUAL 1 OPERATION MANUAL ...
Страница 8: ...LC 80LE642U 2 2 ...
Страница 9: ...LC 80LE642U 2 3 ...
Страница 10: ...LC 80LE642U 2 4 ...
Страница 11: ...LC 80LE642U 3 1 Service Manual CHAPTER 3 DIMENSIONS 1 DIMENSIONS ...
Страница 20: ...LC 80LE642U 4 9 2 The location putting on the heat measure sheet 1 MAIN PWB Unit PSPAZC871WJKZ MAIN CPU COOL B ...
Страница 68: ...LC 80LE642U 7 3 MEMO ...
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