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Surround audio problems with Pioneer VSX-36TX receiver
Recently, I acquired an HDTV, and with it a digital cable box from our
local cable service. The cable box has a jack for an optical cable which will deliver Dolby Digital sound. When I hook this up to my Pioneer VSX-36TX, using the "TV/SAT" component input, the only sound I get comes from the regular L and R speakers--nothing from the center or two surround speakers. The strange thing is that if I re-assign that optical sound input to "DVD/LD" instead of "TV/SAT", then the problem goes away and I get full surround sound from all 6 speakers. Additional info: The display on the front of the receiver is the same in both cases. It clearly shows that the Dolby Digital signal source is present, and that all 6 channels are active: L, C, R, LS, RS, and LFE (subwoofer). Apparently the receiver's DVD/LD input source can properly output these signals, but the TV/SAT source cannot. Does anybody have any idea why? I was not aware of any inherent differences in how the receiver processes these two input sources, and I can find no configuration settings that would vary between those two sources. As best I can tell, I should be able to assign any of the 5 digital input jacks to any of the following functions and have them work equally well: DVD/LD, TV/SAT, CD, MD, VCR1, or VCR2. To confirm the problem, I assigned the Dolby audio signal from my DVD player to each of the various input sources. For each of the following, it worked fine and produced full surround sound: DVD/LD, MD, VCR2. However for TV/SAT, CD, and VCR1 I only got sound from the L and R speakers. No cables were physically moved during this experiment. The assignments matching the optical audio cable from the DVD player to the various input sources were all done via the setup menu. If anybody has any ideas about what's going on, I'd appreciate hearing from you. Thanks! |
#2
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The TV/SAT position on your box is mono. You should contact the manufacture
support, or the place where you bought the box to know if there is a way to get stereo from that position, or it may be the way it is designed. The surround sound content will not travel across from a mono source. In the case of using the RF output: On most all of these home systems, the RF output is mono. You cannot use the RF output. It must be the baseband/component outputs only for stereo, or having the surround sound. -- Jerry G. ====== "Kiteflyer" wrote in message oups.com... Recently, I acquired an HDTV, and with it a digital cable box from our local cable service. The cable box has a jack for an optical cable which will deliver Dolby Digital sound. When I hook this up to my Pioneer VSX-36TX, using the "TV/SAT" component input, the only sound I get comes from the regular L and R speakers--nothing from the center or two surround speakers. The strange thing is that if I re-assign that optical sound input to "DVD/LD" instead of "TV/SAT", then the problem goes away and I get full surround sound from all 6 speakers. Additional info: The display on the front of the receiver is the same in both cases. It clearly shows that the Dolby Digital signal source is present, and that all 6 channels are active: L, C, R, LS, RS, and LFE (subwoofer). Apparently the receiver's DVD/LD input source can properly output these signals, but the TV/SAT source cannot. Does anybody have any idea why? I was not aware of any inherent differences in how the receiver processes these two input sources, and I can find no configuration settings that would vary between those two sources. As best I can tell, I should be able to assign any of the 5 digital input jacks to any of the following functions and have them work equally well: DVD/LD, TV/SAT, CD, MD, VCR1, or VCR2. To confirm the problem, I assigned the Dolby audio signal from my DVD player to each of the various input sources. For each of the following, it worked fine and produced full surround sound: DVD/LD, MD, VCR2. However for TV/SAT, CD, and VCR1 I only got sound from the L and R speakers. No cables were physically moved during this experiment. The assignments matching the optical audio cable from the DVD player to the various input sources were all done via the setup menu. If anybody has any ideas about what's going on, I'd appreciate hearing from you. Thanks! |
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