Zeppelin Design Labs VPM-1 Скачать руководство пользователя | Manualshive

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Содержание VPM-1

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Страница 2: ...31620 INTRODUCTION 3 ABOUT THE ERNIE BALL VOLUME PEDAL 3 HOW THE VPM 1 WORKS 4 AUDIO SPECIFICATIONS 7 FEATURES 7 9V POWER JACK 7 INPUT JACK 7 OUTPUT JACK 7 GAIN KNOB 8 TAPER BUTTON LED INDICATOR 8 TUN...

Страница 3: ...s great features there are a couple of serious down sides to this pedal Since the audio signal is sent straight through the potentiometer any problems with the potentiometer are directly translated to...

Страница 4: ...l volume pedal mods We ve improved upon every limitation of the Ernie Ball VP Jr while retaining all the great characteristics that make it the most popular volume pedal of all time HOW THE VPM 1 WORK...

Страница 5: ...hich you can route either to a tuner or to a second signal chain The VPM 1 comes standard in mono configuration but stereo configuration is available with a small add on upgrade board In the stereo co...

Страница 6: ...6 Figure 2 VPM 1 Chassis Front Figure 3 VPM 1 DIP Switch Locations...

Страница 7: ...is wired correctly with the positive terminal of the battery connected to the outside of the barrel jack The actual current draw of the VPM 1 is around 50mA so a battery probably won t last too long i...

Страница 8: ...at 0 unless you need a signal boost and then only use as much gain as you need to drive your amplifier or other pedals 14 dB of gain is a significant increase in signal voltage and can easily overdriv...

Страница 9: ...that you like best hold the button down for three seconds to store it as your preset The VMP 1 recalls its stored preset every time it is powered up 6 TUNER EXP JACK The standard VPM 1 no expression u...

Страница 10: ...rols several functions Figure 6 Main Board DIP Switch Positions shows how to set this DIP switch to control the pedal in different ways To access this DIP switch while the circuit board and chassis ar...

Страница 11: ...any pedal with an expression control voltage larger than 5 volts To turn on Expression 1 Turn ON Switch 4 on the main DIP switch 2 Turn OFF Switch 1 on the expression DIP switch 3 Consult the document...

Страница 12: ...for you at the Lab The stereo function is controlled by the main board DIP switch see 8 MAIN BOARD DIP SWITCH on page 10 Set Switches 1 and 5 to the ON position to enable stereo The two TRS adapter ca...

Страница 13: ...activated when main board DIP Switch 2 is in the ON position See Figure 6 Main Board DIP Switch Positions on page 10 This causes the VPM 1 treadle to behave in the opposite direction In this setting...

Страница 14: ...art Description Notes Qty CB 06 10 Ribbon Cable 4 wire x 10cm 1 FA 93 35 Lock washer Split Ring 3 5mm 2 FA 12 15 Magnet 1 PC 11 01 VPM 1 Main Board Assembly 1 PC 11 02 Sensor Board Assembly 1 TP 30 21...

Страница 15: ...olts So it is easy to damage these components without even knowing it Before touching any of the PCBs in this kit and often while working with them ground yourself preferably by touching something gro...

Страница 16: ...ack module so keep them separate b Now unwind the string from the pulley to get the block out 5 4 5 c At this point the strings and spring should be loose in the pedal You can pull the strings out tho...

Страница 17: ...n cable on the header 14 Do you see the little white dot on the PCB at one end of the header Let s call that Pin 1 Now notice that all four wires of the ribbon cable are marked with unique patterns of...

Страница 18: ...affix the sensor board to the block to keep it from rotating as the pedal gets knocked around It may be necessary to hold the board down to the top of the block as the glue sets to ensure the board is...

Страница 19: ...ack marking on one side 25 This marking indicates the side that the adhesive disc should be stuck to Line the disc up to the magnet and press it firmly into place 25 26 b Now we need to attach the mag...

Страница 20: ...nt of the magnet Make sure the Hall effect sensor is lined up to the center of the magnet The magnet may need to be hanging off of the end of the screwdriver to be lined up properly 30 When the magnet...

Страница 21: ...sensor board It is important that the pin by the dot on the sensor board is attached to the pin by the dot on the main board Make sure it is not reversed 33 b Slide the main board chassis into the VP...

Страница 22: ...me linearity The microcontroller will then manipulate these five points in different ways to create the four other available tapers To help with this calibration procedure we have included a calibrati...

Страница 23: ...he top dot on the red line is flush with the bottom of the treadle 4 Now tape the card in position 3 4 3 While holding down the TAPER button plug the power into the VPM 1 5 The LED should start flashi...

Страница 24: ...t this point was recorded 7 7 6 Repeat this process for the three remaining points on the red line 8 After the last point is recorded press the button one more time to exit calibration mode 9 You shou...

Страница 25: ...s the expression board you ll need to remove the VPM 1 main board chassis from the volume pedal Unscrew the 2 screws under the main board chassis 1 Before you unplug the ribbon cable use a black marke...

Страница 26: ...pot in the socket it is very important to install this IC in the correct orientation Remember the dot on the IC should be closest to the end of the socket with the divot Carefully line the pins up to...

Страница 27: ...ch the sensor board ribbon cable to the main board using the orientation marks that you made earlier 9 and re install the main board chassis with the screws 9 That s it Your expression pedal is now re...

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