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 Post subject: Denon LA-2300 -->Sony SDP-EP9ES --> Onkyo TX-SR252
PostPosted: 01 Jun 2020, 11:55 
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Hi Guys,

My name is Wim, I am from the Netherlands, I was wondering whether I could pick someones brain to help me figure out
what issue I am facing and whether there is a fix for it.
I am relative new to LD my choice back in the day was CD-I brought to the market by Philips (our local brand) as VCC (Video 2000)
and DCC the CD-I standard did not make it.
Anyway I bought recently a Denon LA-2300, a Sony SDP-EP9ES and a converter to convert RCA into HDMI as my Samsung TV requires HDMI connections.
I have tried to hook all this up to my Onkyo TX-SR252. All seemed pretty straight forward.
Now the good news, I have video on the Samsung TV and I have analogue sound on the Onkyo TX-SR252.
Now the bad news, I hooked up the AC-3 RF port from the Denon LA-2300 to the Sony SDP-EP9ES and do not get any sound back over the optical link to the Onkyo TX-SR252.
(AC-3 RF out of the Denon LA-2300 --> AC3-RF in of the Sony SDP-EP9ES and the Optical out of the Sony SDP-EP9ES --> the Onkyo TX-SR252 Optical in)

I ran the following (amateur) tests:

- I ran the self diagnostics on the Sony SDP-EP9ES no errors detected (AC3+DIGITAL2 during power up), so I ruled out the
a malfunctioning Sony SDP-EP9ES.

- When selecting the optical input on the Onkyo TX-SR252 it seems to detect a digital signal, once I switch of the Sony the
detected signal is gone. I concluded the optical link between the Sony SDP-EP9ES and the Onkyo TX-SR252 is fine or is anybody
aware of incompatibilities between the 2 named boxes?

- I put the AC3-RF output of the Denon LA-2300 to an analogue input on another amplifier as I was hoping to hear some noise from
the AC3-RF port but no luck (nothing).

My none tech conclussion is that I do not get a signal from the AC-3 RF port of the Denon LA-2300 (????) or am I barking under the wrong
tree?


I hope anyone is able to help me out.

Best regards,

Wim
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 Post subject: Re: Denon LA-2300 -->Sony SDP-EP9ES --> Onkyo TX-SR252
PostPosted: 01 Jun 2020, 12:24 
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Hello!

OK I just re-read Sony SDP-EP9ES Used as a ac3rf demodulator and it seems like AC3 OUT should get out of this little guy demodulated.

Sony SDP-EP9ES Used as a ac3rf demodulator

So what could be wrong...

What AC3 LD are you testing?

Julien
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 Post subject: Re: Denon LA-2300 -->Sony SDP-EP9ES --> Onkyo TX-SR252
PostPosted: 01 Jun 2020, 16:32 
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Hi Julien,

Thank you for the reply.

I have tested a couple of AC-3 encoded LD this morning I have tried the NTSC version of Chain Reaction, no luck

Regards,

Wim
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 Post subject: Re: Denon LA-2300 -->Sony SDP-EP9ES --> Onkyo TX-SR252
PostPosted: 01 Jun 2020, 17:37 
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I do use my SDP-EP9ES as a "demodulator only" as noted in the steps you indicated. If you are still not getting a lock, check the AC3-RF output with a voltmeter. You should get a reading of about 3.6 to 4.5 vdc during play and a 0 vdc when stopped / paused. Also, there is always a distinctive click on the EP9 whenever you switch the player to play and pause/stop.

In addition, are you sure that the optical input on the Onkyo is not assigned to anything else but the "TV" input? This AV Receiver is capable of re-assigning it to another input.


Last edited by ldfan on 03 Jun 2020, 00:17, edited 1 time in total.
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 Post subject: Re: Denon LA-2300 -->Sony SDP-EP9ES --> Onkyo TX-SR252
PostPosted: 02 Jun 2020, 17:36 
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Thank you for your useful pointers.
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