LC-52LE920UN/LC-60LE920UN
I | No audio si_lnal at Di_lital Audio Output terminal IAnalo_l sound heard I | I |
INoINPUT-4151617IHDMI)audio. I
I | No audio at di_lital broadcast si_lnal reception. | I |
If no video appears, refer to "No external input video (HDMI) [IN
If no video appears, refer to "No video at digital broadcast signal reception".
I Is there the SPDIF signal output (OPT_OUT) at pin (J28) of IC3302 (CPU)?
_' NO
I Check the IC3302 and its peripheral circuits.
YES |
|
I Is there the SPDIF signal (OPT_OUT) input at pin (2) of IC503 (SPDIF BUFFER & | I |
_' NO
I Check the line between IC3302 and IC503.
YES |
|
I Is there the MUTE signal input at pin (7) of IC503? (usual: High, Mute: Low) | I |
_' NO
Check the MUTE A ALL and
YES |
|
I Is there the SPDIF signal input at pin (1) of D520 (OPTICAL OUTPUT)? | I |
_' YES
[ Check the speakers and the optical cable. I
_' NO
Check D520 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.