Moog Little Phatty Stage II Schematics

Moog Little Phatty Stage II Schematics

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  • Page 47 Disclaimer: This mod should only be attempted by experienced technicians with a basic understanding of electronics, SOIC soldering and the mechanics of drilling. The CV Out Mod is the most advanced Factory Mod that Moog offers at this time. It takes time and skill to perform this mod successfully. You can easily damage an LP while attempting this mod. Please read over all the instructions first and do not attempt this modification unless you feel confident doing so! Moog Music is not responsible for any damages that may occur to your instrument while attempting this mod.
  • Page 48 Assembly 1. Turn the LP off and disconnect power. 2. Remove the screws shown below. When removing LP screws, be sure to note which screws are sharp, self-tapping screws and which are not. The self-tapping screws connect to the back extrusion of the LP. The front three screws are dull machine screws.
  • Page 49 Wiring Note: For LPs with 610 boards that are Rev C or later, you simply connect wire assemblies to P9 and P10. Rev numbers can be found underneath text “11-610” on PCB. If the board has P9, P10 you can skip the rest of this section. For most LPs, however, you will have to cut off connectors on one end of each wire assembly and strip/solder wire assemblies directly to the LP PCBs.
  • Page 50 4. Put LP Front Panel back in the unit and secure wires with cable ties to relieve stress. You may want to add a drop of silicon adhesive to solder points after testing them. This will insure the connections do not come loose. 5.
  • Page 51 Drilling the Right Side Piece We will describe the drilling first. It is crucial that the drilling is done by an experienced tech. We no longer make wooden LP side pieces so they cannot be replaced if they are poorly drilled or destroyed. Proceed at your own risk! Some Service Centers may not want to mod Tributes for because of the risk and time associated.
  • Page 52 2. Use cable ties to secure Wire Assembly # 1 to headphone wiring. This will relieve tension on solder joints. 3. Solder Wire Assembly #2 to 600 board as follows: a. Black R20 FIL_EGR test point b. Brown R94 VOL_EGR test point c.

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