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Re: do not receive any channels
If you got a credit card looking thing, put it in. Reset the unit. If that doesn't work, call AT&T. Since you are a paid subscriber, they will be glad to walk you through the setup.
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The only way to hook a powered subwoofer up to a VSXD903S is if your subwoofer is equipped with amplified/speaker level terminals on the back, in addition to the line-level input. If you only have a line-level input, do not attempt to hook it up to this receiver.
If you're lucky, and have speaker-level inputs on your powered subwoofer, you would use the amplified terminals (connect to B-channel on the receiver). DO NOT connect anything to the line-level connection.
Alternatively, you could build two unpowered subwoofers, then set the receiver's Impedance switch to LOW, then connect one enclosure to each of the "B-channel" outputs. Connect your regular left and right speakers to their corresponding "A-channel" outputs. [Impedance range: 4 Ohm minimum, 16 Ohm Maximum]
(To the guy [dunnbiker] that says there's no rear channels: You're wrong.) The VSX-D903S has 2 stereo (A/B) channels, dual center channel (place center speakers to the left and right, or above and below the screen), and two rear satellite channels. It is a 3-Ch Logic/Dolby Pro-Logic Surround equipped receiver, not a DolbyDigital/DTS multichannel x.1 surround unit.
You likely have a cold solder connection on the circuit board. Inspect the board for loose connections for the left channel - use a non-conductive pointed object and poke the board on several places while the unit is power-up. Be careful not to get electrocuted. Compare it to the right channel circuit - they are almost identical. If the unit recovers the left channel while poking, then you have found the bad connection. Re-apply solder to that junction - make sure you've dis-connected the power and dis-charged all caps before you touch and repair the circuit board.
First are they two seperate units, ie. a TV and a DVD unit, if so you are connecting the dvd to the TV and the TV audio to the receiver, anyway the yellow connector is composite video, you can run this from your tv to the reciever video INPUTS, the RED and WHITE connectors are for AUDIO ONLY, hence WHITE LEFT CHANNEL and RED RIGHT CHANNEL, what to keep in mind is AUDIO OUT OF TV into AUDIO IN on the receiver, same on a DVD unit AUDIO OUT of the DVD unit into an AUDIO INPUT on the receiver, but take the DVD VIDEO OUT to the TV VIDEO INPUT, other routes are possible but just keep the in and out in mind when connecting.
It's not automatic. Page 24 - You have to register it with them...
The clear protective film on the DCP501 display must be removed and transferred to the inside back cover of your
DCP501 Home Theater System User Guide. The Unit Address and Serial Number found on the protective film is
required for activation of your DCP501 cable TV receiver by your cable TV service provider.
Your unit needs to clean and some resoldering works due brittle,crack or cold solder joint parts,this is very common to this unit.Cold solder issues - each
component is soldered into small
holes on the printed circuit board which in turn connects said
component to the
other components. Due to time, heat, use, some solder joints would be
or loose. It is possible that the cold solder is still minimally
(hanging by a thread). When the receiver turns on heat would be
generated which would
be sufficient to further loosen up the solder joint to the point it no
provides electrical contact. Jarring the unit creates movement inside
re establish the contact, sometime good enough sometimes not enough.
Again, since the unit still operates (sometimes) then it is highly
probable that there are no defective components. As you have surmised, it is
possibly a loose connection, solder joints are "connections"
except that molten soldering lead is used to attach/connect the component to
the board, "loose connection" in this sense is equal to "cold
Again on the assumption of no defective parts, then seeking a more
buddy for the soldering might be to your advantage. This is of course
addition to the possible electrical hazards when repairing....If i have
helped,please click fixya.It is the only way i get paid for my work...
Sorry to inform you, The driver transistors or IC is going bad, or there might be a poor solder connection on the center channel Amp. If you know how to solder, you may be able to poke around at the center channel amp circuit, with a wooden or plastic tool, and maybe see where the bad connection(s) are. To get a shop to looki at this unit, may not pay, but that is all up to you, on how much you paid for the unit, and how much your willing to pay to get it fixed. Read this great article and see if it helps you to decide. http://www.techlore.com/article/10602/How-to-Determine-if-you-Should-Repair-a-Broken-Device/
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