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Recommended Purchase & Tips for PC Engine Turbo Duo Replacement Cap Kit and RGB Amp

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    Recommended Purchase & Tips for PC Engine Turbo Duo Replacement Cap Kit and RGB Amp

    Hi Folks,

    Can any of you kindly point me the in the right direction to the best site to purchase a Turbo Duo (original model) replacement Cap Kit and RGB Amp. The CD audio on my machine is fine if a little Low but on some CD games the sound affects are very faint to almost none existent. Are surface mount caps now the preferred method ?

    Secondly what would also the be the best RGB mod to carry out on this machine THS7314 ?

    There is of course a ton of info online but thought I would speak with you guys first to see of anyone has any experience in carrying the mods out and any little tips you may have.

    Cheers

    #2
    THS7314 is old and busted, the THS7317 is the new hotness. Basically there's a low pass filter with the 7314 and it can be disabled in the 7317 which, in theory, would mean a cleaner image. There's not much in it though...

    As for a cap kit: https://console5.com/store/nec-turboduo-cap-kit.html

    As for a amp I'd grab this, though he doesn't ship abroad so... yeah: http://voultar.com/index.php?route=p...&product_id=53
    Last edited by speedlolita; 23-05-2018, 06:22.

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      #3
      Excellent for the help. I'll do some homework on the THS7317.

      Thanks for the links

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        #4
        There's always the 7316 based AMP, easier to solder and doesn't have the low pass filter of the 7314

        2021 Update: No ETA on restock Miniature "mickris" surface-mount RGB amplifier kit for NEC consoles using the THS7316 amplifier IC.  Available here in DIY form for the first time! Turbo Grafx-16


        Pete

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          #5
          Thanks Pete I'll look into this also

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            #6
            For info folks,

            I purchased a cap kit from here (one cap was missing though),


            and an RGB amp from here,
            PC Engine 7374 RGB Mod Kit New Megadrive Cable option with seperate stereo!See here for wiring diagram. - Latest 7374 based RGB Amplifier 75 ohm terminated sync. - Compatible with Core / Core II / Turbo Grafx / Duo / Duo-R / Duo-RX / Super Grafx - Includes DIN8 pcb mount connector, and mini din 8 panel mount as a test connector or alternative to replacing the din 8! - DIN8 panel mount or mini din 8 pcb/panel mount available on request - You can use this on the original white model, but I have a separate version specifically for this model here - Includes replacement caps for Jailbar fix :- http://etim.net.au/av-driver/pcebars/- https://console5.com/wiki/Hu6260 Mod board Installation instructions: 1. Replace DIN Connector 2. Solder sync and G,R,B wires to Pins 44, 47, 49, 51 on 6260 chipOn the core grafx there are convenient via's under the ribbon (see picture) 3. Solder to mod board inputs, then solder GRB mod outputs to top 3 pins of DIN8 (as in pictured) 4. Sync goes to underside of DIN8 with trace cut as seen, 5 Solder 5v and gnd to mod board, use your multimeter continiuty setting to find nearest 5v and GND points for the mod board. --- Retro gaming cables stock DIN 8 compatible scarts for duo, duo-r, turbo grafx here Any queries, just contact [email protected]

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