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  3. My brainf@rt = your Sunday puzzle!

My brainf@rt = your Sunday puzzle!

Scheduled Pinned Locked Moved The Lounge
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  • C Chris C B

    I have a decent hi-fi system in my office, but recently the tuner has been giving trouble. Occasionally, for no apparent reason, the left channel on a stereo broadcast just cuts out. As I only listen to one station, and just for background music at that, I decided to stick a one input, two output (or vice versa) stereo RCA switch into the link from the tuner to the preamp so the when the left channel dies I can just flip the switch and feed both channels of the preamp with the signal from the right channel of the tuner. I got out the switch and my bits-box of hi-fi connectors to set about it. I found a selection Y (pairing) junctions and a bunch of gender-benders - and then sat there for twenty minutes fiddling with the stuff like a brain-dead dumbphuque trying to figure how to do it. I did find a solution after about twenty minutes, but what would your solution be - it's almost certainly going to be better than mine!

    OriginalGriffO Offline
    OriginalGriffO Offline
    OriginalGriff
    wrote on last edited by
    #2

    Open the tuner and check the solder joints. Intermittent problems are often something getting hot and failing, or causing a bad joint to fail. When it all cools, it works again.

    Sent from my Amstrad PC 1640 Never throw anything away, Griff Bad command or file name. Bad, bad command! Sit! Stay! Staaaay... AntiTwitter: @DalekDave is now a follower!

    "I have no idea what I did, but I'm taking full credit for it." - ThisOldTony
    "Common sense is so rare these days, it should be classified as a super power" - Random T-shirt

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    • OriginalGriffO OriginalGriff

      Open the tuner and check the solder joints. Intermittent problems are often something getting hot and failing, or causing a bad joint to fail. When it all cools, it works again.

      Sent from my Amstrad PC 1640 Never throw anything away, Griff Bad command or file name. Bad, bad command! Sit! Stay! Staaaay... AntiTwitter: @DalekDave is now a follower!

      C Offline
      C Offline
      Chris C B
      wrote on last edited by
      #3

      I've had the lid off a couple of times, and re-seated all the (many) connectors and used a contact cleaner on them. As it was a top-of-the-line job when I bought it, I would be surprised if it were a solder joint - in any event, there are literally hundreds of joints on the main board and they all look good. I suspect the problem will go away after a while, because it was sat in a cupboard for ten years as there were no FM stations worth listening to, but there is now a classical music and jazz station which I found by accident on my car radio. The periods between failure are getting longer, and usually now a few seconds off fixes it. I suspect it may be a dodgy electrolytic, but there are a lot of them to check! Anyway, where's your wiring diagram? :-D

      OriginalGriffO 1 Reply Last reply
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      • C Chris C B

        I've had the lid off a couple of times, and re-seated all the (many) connectors and used a contact cleaner on them. As it was a top-of-the-line job when I bought it, I would be surprised if it were a solder joint - in any event, there are literally hundreds of joints on the main board and they all look good. I suspect the problem will go away after a while, because it was sat in a cupboard for ten years as there were no FM stations worth listening to, but there is now a classical music and jazz station which I found by accident on my car radio. The periods between failure are getting longer, and usually now a few seconds off fixes it. I suspect it may be a dodgy electrolytic, but there are a lot of them to check! Anyway, where's your wiring diagram? :-D

        OriginalGriffO Offline
        OriginalGriffO Offline
        OriginalGriff
        wrote on last edited by
        #4

        Wiring diagrams are for pussies! :laugh:

        Sent from my Amstrad PC 1640 Never throw anything away, Griff Bad command or file name. Bad, bad command! Sit! Stay! Staaaay... AntiTwitter: @DalekDave is now a follower!

        "I have no idea what I did, but I'm taking full credit for it." - ThisOldTony
        "Common sense is so rare these days, it should be classified as a super power" - Random T-shirt

        C 1 Reply Last reply
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        • OriginalGriffO OriginalGriff

          Wiring diagrams are for pussies! :laugh:

          Sent from my Amstrad PC 1640 Never throw anything away, Griff Bad command or file name. Bad, bad command! Sit! Stay! Staaaay... AntiTwitter: @DalekDave is now a follower!

          C Offline
          C Offline
          Chris C B
          wrote on last edited by
          #5

          Spoilsport!

          H 1 Reply Last reply
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          • C Chris C B

            I have a decent hi-fi system in my office, but recently the tuner has been giving trouble. Occasionally, for no apparent reason, the left channel on a stereo broadcast just cuts out. As I only listen to one station, and just for background music at that, I decided to stick a one input, two output (or vice versa) stereo RCA switch into the link from the tuner to the preamp so the when the left channel dies I can just flip the switch and feed both channels of the preamp with the signal from the right channel of the tuner. I got out the switch and my bits-box of hi-fi connectors to set about it. I found a selection Y (pairing) junctions and a bunch of gender-benders - and then sat there for twenty minutes fiddling with the stuff like a brain-dead dumbphuque trying to figure how to do it. I did find a solution after about twenty minutes, but what would your solution be - it's almost certainly going to be better than mine!

            M Offline
            M Offline
            Marc Clifton
            wrote on last edited by
            #6

            Chris C-B wrote:

            but what would your solution be

            Buy a new hi-fi? Or if your station does a webcast, hook up some speakers to your computer or mobile device?

            Latest Article - A Concise Overview of Threads Learning to code with python is like learning to swim with those little arm floaties. It gives you undeserved confidence and will eventually drown you. - DangerBunny Artificial intelligence is the only remedy for natural stupidity. - CDP1802

            C 1 Reply Last reply
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            • M Marc Clifton

              Chris C-B wrote:

              but what would your solution be

              Buy a new hi-fi? Or if your station does a webcast, hook up some speakers to your computer or mobile device?

              Latest Article - A Concise Overview of Threads Learning to code with python is like learning to swim with those little arm floaties. It gives you undeserved confidence and will eventually drown you. - DangerBunny Artificial intelligence is the only remedy for natural stupidity. - CDP1802

              C Offline
              C Offline
              Chris C B
              wrote on last edited by
              #7

              Here was I hoping for some nice elegant solution to replace my spaghetti nest of wires, and all I get. Bah humbug! ;P :laugh: Actually, I can stream the same content from the web, but it is heavily compressed and sounds like it's coming from under a thick blanket. Anyway, hooking up some speakers isn't going to hack it. I've got a pair of Mark-Levinsons bi-amped to a pair of six foot hybrid/ribbon speakers, so putting anything through the PC, even with its Bang and Olufsen sound system, makes everything sound distinctly muddy. Turgid, even. X|

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              • C Chris C B

                I have a decent hi-fi system in my office, but recently the tuner has been giving trouble. Occasionally, for no apparent reason, the left channel on a stereo broadcast just cuts out. As I only listen to one station, and just for background music at that, I decided to stick a one input, two output (or vice versa) stereo RCA switch into the link from the tuner to the preamp so the when the left channel dies I can just flip the switch and feed both channels of the preamp with the signal from the right channel of the tuner. I got out the switch and my bits-box of hi-fi connectors to set about it. I found a selection Y (pairing) junctions and a bunch of gender-benders - and then sat there for twenty minutes fiddling with the stuff like a brain-dead dumbphuque trying to figure how to do it. I did find a solution after about twenty minutes, but what would your solution be - it's almost certainly going to be better than mine!

                J Offline
                J Offline
                Jorgen Andersson
                wrote on last edited by
                #8

                Chris C-B wrote:

                I have a decent hi-fi system

                Reading your answer below, stating that it's consisting of a couple of Mark Levinson and some ribbon-speakers, I call that the understatement of the year. Bordering on Bullshit! My question: With that equipment, why do you bother listening to the radio? As there are no PCI soundcards having a decent sound quality I would get a phone with a decent DAC and load it up with flac files. Yes there's at least one. LG G7 for example has an ESS ES9218P QUAD DAC[^] There's a cheapo version out now with the same sound chip: LG G7 Fit, for half the price having last years processor and half the memory, which doesn't matter since it has a memory slot.

                Wrong is evil and must be defeated. - Jeff Ello

                C 1 Reply Last reply
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                • J Jorgen Andersson

                  Chris C-B wrote:

                  I have a decent hi-fi system

                  Reading your answer below, stating that it's consisting of a couple of Mark Levinson and some ribbon-speakers, I call that the understatement of the year. Bordering on Bullshit! My question: With that equipment, why do you bother listening to the radio? As there are no PCI soundcards having a decent sound quality I would get a phone with a decent DAC and load it up with flac files. Yes there's at least one. LG G7 for example has an ESS ES9218P QUAD DAC[^] There's a cheapo version out now with the same sound chip: LG G7 Fit, for half the price having last years processor and half the memory, which doesn't matter since it has a memory slot.

                  Wrong is evil and must be defeated. - Jeff Ello

                  C Offline
                  C Offline
                  Chris C B
                  wrote on last edited by
                  #9

                  Jörgen Andersson wrote:

                  Reading your answer below, stating that it's consisting of a couple of Mark Levinson and some ribbon-speakers, I call that the understatement of the year. Bordering on Bullshit!

                  Yeah, well, I like to be a bit modest about these things. :-\

                  Jörgen Andersson wrote:

                  My question: With that equipment, why do you bother listening to the radio?

                  The particular station I listen to is genuine 'broadcast quality', and is generally as good as CD. It is part of the national broadcasting setup, and has very good equipment. I like to listen to it as it can introduce me to classical music that I am not familiar with, without having to take a punt on a CD that I then decide I don't like.

                  Jörgen Andersson wrote:

                  As there are no PCI soundcards having a decent sound quality I would get a phone with a decent DAC and load it up with flac files. Yes there's at least one. LG G7 for example has an ESS ES9218P QUAD DAC[^] There's a cheapo version out now with the same sound chip: LG G7 Fit, for half the price having last years processor and half the memory, which doesn't matter since it has a memory slot.

                  I am currently in the process of replacing all the MP3s I have with FLAC, and a decent 'phone is definitely on my shopping list, so thanks for that tip - I'll check it out. I shall keep the USB stick I use in my car full of MP3s, as in a beat-up old 4x4 with off-road tyres, the ambient noise is enough to make anything better an exercise in futility!

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                  • C Chris C B

                    I have a decent hi-fi system in my office, but recently the tuner has been giving trouble. Occasionally, for no apparent reason, the left channel on a stereo broadcast just cuts out. As I only listen to one station, and just for background music at that, I decided to stick a one input, two output (or vice versa) stereo RCA switch into the link from the tuner to the preamp so the when the left channel dies I can just flip the switch and feed both channels of the preamp with the signal from the right channel of the tuner. I got out the switch and my bits-box of hi-fi connectors to set about it. I found a selection Y (pairing) junctions and a bunch of gender-benders - and then sat there for twenty minutes fiddling with the stuff like a brain-dead dumbphuque trying to figure how to do it. I did find a solution after about twenty minutes, but what would your solution be - it's almost certainly going to be better than mine!

                    M Offline
                    M Offline
                    Mark_Wallace
                    wrote on last edited by
                    #10

                    If it's an apple hi-fi, the answer is obvious.

                    I wanna be a eunuchs developer! Pass me a bread knife!

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                    • C Chris C B

                      Spoilsport!

                      H Offline
                      H Offline
                      Herbie Mountjoy
                      wrote on last edited by
                      #11

                      Real engineers don't read manuals. (And before anyone jumps in, yes they can read :) ) We're philosophical about power outages here. A.C. come, A.C. go.

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