Official Pioneer SC-05 and SC-07 Owners Thread - Page 81 - AVS Forum
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Receivers, Amps, and Processors > Official Pioneer SC-05 and SC-07 Owners Thread
ss9001's Avatar ss9001 07:31 PM 11-15-2008
Quote:
Originally Posted by WS65711 View Post



I'm not 100% sure that I know what I'm looking at, but the link to the Japanese pictures that markabuckley posted depicts a WM8740 chip in the SC07. So the DAC's are not all the same between the different models?

I'm don't know what's in the SC-05, but Pioneer uses the 8740 DAC in the SC-07, the BDP-05/51 players & upcoming BDP-09 player. Only the SC-09 gets the 8741 DAC's. They advertised that the SC-09/LX90 AVR had the 8741 DAC in the original press announcements, in Sept 07. And there are only 6 in the 09. IIRC, I think the BDP-09 player will have 1 8740 DAC per channel.

ss9001

Gov's Avatar Gov 07:52 PM 11-15-2008
Quote:
Originally Posted by ccotenj View Post

of course we were right...

suggestion: manually go in and set all your speakers to "small"... let the sub do it's job (plus take the load off of the amplification in the avr)... all of the correction software (mcacc, audyssey, etc.) tends to set speakers to "large", since it's measuring frequency response...

glad you like it... it IS a nice toy, even if at times we sound like a mutual admiration society in here...

I will second or third or fourth this
Gov's Avatar Gov 07:55 PM 11-15-2008
Quote:
Originally Posted by catapult View Post

That's the same old switchable upsampling Pioneer has had for years in their receivers and DVD players, and most people prefer to leave it engaged. Hibit increases the 16 bit CD signal to 20 or 24 bits to give more bit depth for processing. Hismp increases the 44.1K signal to a higher sampling rate for processing. The BB chip in the 07 scales everything up 192K/24-bit before processing. Apparently Pioneer thinks it works well enough that they don't make it switchable in the 07. Think of it like a video scaler but it's in the audio domain. The 07 appears to have a very good audio scaler.

One more question on the HIBITSMP on the SC-05. Should this be engaged for all digital sources i.e. CD, DVD, Digital Cable/HDTV, Blu-ray via HDMI out?
ccotenj's Avatar ccotenj 09:40 AM 11-16-2008
i leave it engaged all the time... but as usual, my "testing" is non-scientific, and nowhere near thorough...

i wish i was more patient and willing to do better testing...

as an aside, i'm streaming "all the world's a stage" from my appletv right now (256vbr), with neural thx engaged... i'm having some significant flashbacks to my yute... other than the, ummm, lack of chemical enhancements, it's like i'm there...
LS2JSTS's Avatar LS2JSTS 09:55 AM 11-16-2008
Quote:
Originally Posted by ccotenj View Post

i leave it engaged all the time... but as usual, my "testing" is non-scientific, and nowhere near thorough...

i wish i was more patient and willing to do better testing...

as an aside, i'm streaming "all the world's a stage" from my appletv right now (256vbr), with neural thx engaged... i'm having some significant flashbacks to my yute... other than the, ummm, lack of chemical enhancements, it's like i'm there...

..."Thank You, Thank You very much!"....I can hear Geddy from here!
Rainer_Hohn's Avatar Rainer_Hohn 10:03 AM 11-16-2008
Hello,

today I have opened my SC-LX81 (SC-07). The result you can see on the picture. The numbers are a little different to the picture shown on original japanese pioneer page.





LS2JSTS's Avatar LS2JSTS 10:12 AM 11-16-2008
Quote:
Originally Posted by Rainer_Hohn View Post

Hello,

today I have opened my SC-LX81 (SC-07). The result you can see on the picture. The numbers are a little different to the picture shown on original japanese pioneer page.





Thank you very much for the pic.....Did you by any chance get a shot of the AMP section?
markabuckley's Avatar markabuckley 10:12 AM 11-16-2008
looks same as was on the JP site ? certainly same DAC and SRC ?

anyone brave enough to do the same for hte SC05/LX71

cheers, Mark.
welwynnick's Avatar welwynnick 10:42 AM 11-16-2008
Quote:
Originally Posted by markabuckley View Post

looks same as was on the JP site ? certainly same DAC and SRC ?
anyone brave enough to do the same for hte SC05/LX71
cheers, Mark.

That would be very interesting. I think there might be a significant difference between the 05 & 07. With the latter, the SRC (which is effectively the source of the timing info) is clearly right next to the DAC, which is exactly what you want it.

By all accounts, the SRC on the 05 is on the HDMI board. As well as being further from the DACs, it could be that the SRC works on the HDMI signal which is clocked to video. The audio then has to be decoded and down-clocked for the DACs, and thats not good for jitter, even if the cheap, no-name SRC is any good anyway.

Contradicting my cynical suspicion, David Vaughn said on UAV that the benefit of PQLS/ARC when playing CDs on a BDP-05 (I think) was questionable. And that was through an otherwise transparent and revealing amp. The 07 SRC cannot be as good as PQLS, so the advantage may not be so great.

It would be really great if we could get some sort of confirmation one way or the other.

Nick
Rainer_Hohn's Avatar Rainer_Hohn 10:57 AM 11-16-2008
Quote:
Originally Posted by LS2JSTS View Post

Did you by any chance get a shot of the AMP section?






markabuckley's Avatar markabuckley 11:08 AM 11-16-2008
thanks !

well that certainly looks different !

so the power amp stage is upside down ? How does the heat dissipate ?

bizarre not realy seeing any heatsinks - Class-D

Quote:
Originally Posted by Rainer_Hohn View Post







Gov's Avatar Gov 11:45 AM 11-16-2008
Quote:
Originally Posted by ccotenj View Post

i leave it engaged all the time... but as usual, my "testing" is non-scientific, and nowhere near thorough...

i wish i was more patient and willing to do better testing...

as an aside, i'm streaming "all the world's a stage" from my appletv right now (256vbr), with neural thx engaged... i'm having some significant flashbacks to my yute... other than the, ummm, lack of chemical enhancements, it's like i'm there...

I will just leave it engaged for everything then, it probably won't hurt. Thanks
BTW, "All the Worlds a stage" was my first Rush album and got it when it was released in '76. They have been my favorite band every since!
Dave Vaughn's Avatar Dave Vaughn 12:02 PM 11-16-2008
The video processing section gets hotter than the amp section. They aren't called "Ice" amps for nothing
neekos's Avatar neekos 12:05 PM 11-16-2008
Quote:
Originally Posted by markabuckley View Post

thanks !

well that certainly looks different !

so the power amp stage is upside down ? How does the heat dissipate ?

bizarre not realy seeing any heatsinks - Class-D

maybe it's me, but I don't see the amplifier section ?
neekos's Avatar neekos 12:58 PM 11-16-2008
other than the transformer...
LS2JSTS's Avatar LS2JSTS 12:58 PM 11-16-2008
Quote:
Originally Posted by neekos View Post

maybe it's me, but I don't see the amplifier section ?

Looks like it's hidden underneath all the I/O boards......Could you please remove those boards and take some more pics...........J/K.

Thanks for the additional pics! Looks like it would be tough to get a shot of the HDMI board as wll....Curious why they used copper screws throughout on the inside but left them off the external screws on the case.
WS65711's Avatar WS65711 03:44 PM 11-16-2008
Quote:
Originally Posted by LS2JSTS View Post

....Curious why they used copper screws throughout on the inside but left them off the external screws on the case.

Wanna see copper? This is copper............

http://home.att.net/~pix/AVS/Copper.JPG
markabuckley's Avatar markabuckley 03:46 PM 11-16-2008
49/59tx ?

Quote:
Originally Posted by ws65711 View Post

wanna see copper? This is copper............

http://home.att.net/~pix/avs/copper.jpg


WS65711's Avatar WS65711 03:55 PM 11-16-2008
49................... Unfortunately mine was a lemon. Channels went out at the drop of a hat. Not the amp, but the digital stuff feeding the signals to the amp..............
In the picture I have one of the digital boards removed. The one hanging is a daughter board to the other one at the top. The chips that went bad last time are on the board I have out. I need to wait until after the holidays are over to attempt a repair...........
markabuckley's Avatar markabuckley 04:11 PM 11-16-2008
perhaps I'll get a SC05 then lol !

your post puts me off a 2nd hand 49TX with no warranty - I'd heard of DAC issues before

Quote:
Originally Posted by WS65711 View Post

49................... Unfortunately mine was a lemon. Channels went out at the drop of a hat. Not the amp, but the digital stuff feeding the signals to the amp..............
In the picture I have one of the digital boards removed. The one hanging is a daughter board to the other one at the top. The chips that went bad last time are on the board I have out. I need to wait until after the holidays are over to attempt a repair...........


jmr21's Avatar jmr21 07:51 PM 11-16-2008
Quote:
Originally Posted by jmr21 View Post

On the SC-07, is there any way to select a video source to be paired with the tuner audio source? For example, I have a DirecTV HD DVR connected via HDMI to the SC-07, and I'd like to be able to watch the DirecTV video while listening to the tuner. My previous Onkyo receiver would let me do this, but I haven't figured out a way to do it with the SC-07.

Mike

Another variation on this theme. I can view photos stored on my PC via Home Media Gallery, but I would also like to have some music playing at the same time. So is there any way to pair an audio source such as tuner or CD, with HMG pictures?

Mike
ccotenj's Avatar ccotenj 08:13 PM 11-16-2008
Quote:
Originally Posted by Gov View Post

I will just leave it engaged for everything then, it probably won't hurt. Thanks
BTW, "All the Worlds a stage" was my first Rush album and got it when it was released in '76. They have been my favorite band every since!

it seemed to work well on my previous elite, so i figured it would work well on this one...

i'm guessing you are about the same age as me then... and they have been my favorite since those days too...
MPresseau's Avatar MPresseau 09:27 PM 11-16-2008
I understand the benefits of setting the speakers to small for surround sound, but what about stereo music? Is it a good idea to limit your floor standers by routing the low frequency to the subwoofer? I guess that this wouldn't be a concern if these receivers had more than a universal X-over. Or would you suggest that one uses different MCAAC memories for surround and stereo listening.

As far as X-overs go, is 80 the consensus?
Filipinoyakuza's Avatar Filipinoyakuza 01:29 AM 11-17-2008
Has anyone on here bought from these guys ?

http://www.tvcity.tv/

They're prices just seem to good to be true .
jmr21's Avatar jmr21 06:05 AM 11-17-2008
Quote:
Originally Posted by jmr21 View Post

I'm considering purchasing a DVDO Edge to sit between my BDP-05FD and SC-07. If I do this, will PQLS between the 05FD and the SC-07 work correctly through the Edge?

Mike

I've got an Edge on a trial basis to answer this and a few other questions. In case anyone's interested, PQLS signalling does NOT pass through the Edge.

Mike
ccotenj's Avatar ccotenj 07:19 AM 11-17-2008
Quote:
Originally Posted by MPresseau View Post

I understand the benefits of setting the speakers to small for surround sound, but what about stereo music? Is it a good idea to limit your floor standers by routing the low frequency to the subwoofer? I guess that this wouldn't be a concern if these receivers had more than a universal X-over. Or would you suggest that one uses different MCAAC memories for surround and stereo listening.

As far as X-overs go, is 80 the consensus?

imo...

yes, it is... even when i had floorstanders (various ones, with the most recent being b&w matrix 802's), i always let the sub into the equation too...

80 seems to work well for me and many others... but that doesn't mean you can't try a different one... copy over your mcacc settings to a different memory location and change the xover and see if you like it better..
schlitzie's Avatar schlitzie 07:25 AM 11-17-2008
jmr21 -- Does the edge make a difference with the video output?
wildroamer's Avatar wildroamer 07:40 AM 11-17-2008
Quote:
Originally Posted by WS65711 View Post

I don't think so, at least it wouldn't seem to work that way for me. I wanted to watch NFL games, while listening to local game coverage on FM. It didn't seem to work when video was routed thru the SC07. So I'm back to routing video directly to the TV, bypassing the receiver...................

Just a thought, and I am sure someone will let me know very quickly if it is a poor one.

Would it be possible to connect zone 2 to your tv and accomplish this?
ccotenj's Avatar ccotenj 07:41 AM 11-17-2008
Quote:
Originally Posted by schlitzie View Post

jmr21 -- Does the edge make a difference with the video output?

with the bd player or in general?
schlitzie's Avatar schlitzie 08:22 AM 11-17-2008
Well, the pioneer/edge shouldn't touch 1080p signals, just pass them through, so it won't have any effect on BD. I'm interested in how it does with 1080i signals and below from all sources
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