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C T R L - X
I N S T A L L A T I O N M A N U A L & U S E R ' S G U I D E
1 . P A C K A G E C O N T E N T S
One (1) nine-pin output jack
One (1) battery clip with foam pad
One (1) cable tie
One (1) 470 pf capacitor
One (1) black switch button
One (1) white switch button
Mounting hardware
2 . O V E R V I E W A N D C A U T I O N S
4 8 3 N . F R O N T A G E R D . N I P O M O , C A 9 3 4 4 4 W W W . L R B A G G S . C O M
The following instructions are for a traditional Strat with three knobs and a 5-way switch. It is recommended that installers perform a dry run through the entire procedure before cutting or drilling. We recommend that this system be installed by a professional dealer/installer. We do not provide installation advice or support for home or hobbyist installations. Installers: please read the instructions carefully before proceeding. We will not be responsible for any damage to the guitar or personal injury resulting from installation, use or misuse of the product.
3 . I N S T A L L A T I O N
1.If you do not already have an X-Bridge in your guitar, install one according to the installation instructions that come with the bridge. Remove the middle tone pot and its wire to the 5-way switch (as stated in the instructions), but do not install the 5 meg volume pot or stereo jack. The only soldering connection to make at this time is to put a jumper between the two lugs on the 5-way switch that go to the tone pots, also stated in the instructions.
2.If you already have an X-Bridge with passive wiring, unhook the connections from the 5 meg volume pot and remove the pot. Unsolder the wires that come from the output jack into the control cavity; in a regular Strat there will be two. On the passive X-Bridge hookup there will be three.
3.Unscrew the jack plate and remove the jack from the plate. Unsolder the ground wire from the bridge (it usually goes from the volume pot case through the hole to the spring cavity), so the pickguard will come completely off the guitar.
4.Completely remove the wire that runs from the 5-way switch to the CW (clockwise) lug of the Volume control. You should also temporarily unsolder one end of the wire that goes from the lower tone pot to the 5-way switch, to give yourself more room to work. Figure 1 shows all the wiring you will need to remove.
5. Now replace the old output jack with the one that comes in the Ctrl-X kit. You will most likely need to do some woodworking in the jack cavity to make room for the new jack (see figure 2), which is slightly larger than the original jack. Use a Dremel router or chisel to extend the inside of the cavity (toward the bridge) by
about 1/2". Make sure the large nut on the jack bushing is tight, feed the jack wires through the hole into the control cavity, and replace the jack
plate screws.
fig. 1: steps 1-4
6. Drill a 1/4" hole in the pickguard for the toggle switch. The correct position for this hole is between the 5-way switch and volume knob, centered on the 5-way switch, and volume knob, centered on the 5-way switch, about 5/8" away from it, measured from center to center (see figure 3). Before you drill, hold the toggle switch up to the inside of the pickguard, 5/8" away from the 5-way, to make sure the bodies of the two switches will clear each other. The toggle switch should not be any farther than 3/4" away from the 5- way slot, or it may hit the battery when the whole thing is assembled. Start with a 1/16" pilot hole, and recheck the location before drilling the real hole.
7.To position the hole for the push-button switch, temporarily in-stall the Ctrl-X pot and circuit board in the hole where the middle tone pot used to be. Center the pot in the hole, with the circuit board parts facing the outside edge of the pickguard, as shown in figure 4. Be sure that the edges of the circuit board aren't touching the 5-way switch or the bottom of the tone pot. With the push-button switch in the out position, it will almost touch the pickguard. Trace around the switch plunger, remove the Ctrl-X assembly and drill a 1/16" pilot hole where the center of the plunger will be. Hold the Ctrl-X assembly in place and make sure the switch can still be centered on the pilot hole. Then drill the real hole. A 15/64" bit is preferred; however, you can use a 1/4" bit (although this may look a bit large). Gently de-burr the outside of the hole using a countersink held in the hand.
8.Now install the Ctrl-X assembly. The pot should go directly against the pickguard on the inside, and the washer and nut on the outside. Finger tighten the assembly. Center the switch plunger over its hole, and add the button (we've provided a choice of white or black). Then tighten the nut, making sure the button stays centered in its hole. On some guitars, the Ctrl-X circuit board will come close to one lug of the lower tone pot. If it does, bend the lug a bit to make sure nothing will short out.
9.Figure 5 shows the wiring for the following three steps. Solder the black ground wire from the circuit board to the volume pot case. Run the orange output wire to the CW lug of the volume pot, but don't solder it yet.
10.Install the toggle switch. Remove the decorative nut from the threaded bushing and adjust the remaining nut and lock-washer so that the bushing sticks out of the hole by about 2 or 3 threads; this is enough for the decorative nut to catch the threads and tighten. If the bushing sticks up too far, the decorative nut will bottom out before the switch is tight in its hole. Move the inside nut out a bit and try again. Before you tighten the nut all the way, position the switch on the underside of the pickguard so the side with three wires is closest to the 5-way switch. This is necessary so that each position on the switch (up, middle and down) functions the way it is explained in the owner's manual.
11.Solder the white wire from the toggle switch to the 5-way switch output (the same lug from which you removed the original wire to the volume control). Solder the orange wire from the toggle switch to the CW lug of the volume control, along with the orange wire from the PC board. Both orange wires go to the same lug. Solder the ground wire from the other two pot cases to the Ctrl-X pot case. It will be necessary to first scrape some of the yellow finish from the side of the pot for the solder to stick to it.
12.The following three steps are shown in figures 6 and 7. Now, with the guitar on its back, lay the pickguard next to it, open-book fashion, and resolder the main ground wire (from the spring cavity) to one of the pot cases. You will need to solder three wires to the circuit board. The solder pads are located in the upper right hand corner of the board away from the 5-way switch. First solder the yellow wire from the output jack to the lowest of the three pads (labeled Y ), then the white wire from the jack to the next one up (labeled W ), and the X- Bridge coax to the top connections (with the box around them). See figure 6. The braid of the coax goes to the largest hole and the inner "hot" wire to the small one next to it. Be sure the sleeve insulator is on the coax, and pull the braid through the circuit board hole as far as it will go before soldering it. Clip any long wire ends after soldering, and make sure the clippings don't end up in the cavity to short things out later.
13.After you've completed the soldering, bundle the three wires together with the cable tie provided in the kit. Tighten the cable tie around the three wires about one inch away from the circuit board. This ensures that the insulation for the X-Bridge coax will not slip back and expose the bare braid, and helps to keep the wires under control. Caution: finger tighten only. Using pliers to tighten the cable may cut the insulation, causing a short. Clip off the excess cable tie (see figure 6).
14.Solder the black wire from the output jack to the volume pot ground, and the red wire from the jack to the volume pot wiper (middle) lug. Resolder the wire from the lower tone pot to the 5-way switch. If there is enough length, run it behind the Ctrl-X circuit
fig. 4: inside view
fig. 2: step 5
fig. 3: outside view
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