Power Components
Q104 MIDI Interface
Q105 Slew Limiter
Q106 Oscillator
Q107 Filter
Q108 Amplifier
Q109 Envelope Generator
Q110 Noise Source
Q111 Pan/Fade
Q112 4-Channel Mixer
Q113 8-Channel Mixer
Q115 Reverb
Q116 Ring Modulator
Q117 Sample & Hold
Q118 Instrument Interface
Q119 Sequencer
Q120 Connector Interface
Q121 Banana Jack Interface
Q122 Mini Jack Interface
Q123 Standards
Q124 Multiples
Q125 Signal Processor
Q127 Fixed Filter Bank
Q128 Switch
Q130 Clipper & Rectifier
Q131 Blank Panels
Q138 Logo Panel
Q140 Fixed Filter Bank Aid
Q141 Oscillator Aid
Q142 Pedal Interface
Q143 Presets
Q146 Normalization
Q147 Distributor
Q149 Signal Selector
Q150 Ladder Filter
Q161 Oscillator Mixer
Q162 Filter Mixer
Q171 Quantizer Bank
Q172 Quantizer Aid
Q960 Sequential Controller
Q961 Sequencer Interface
Q962 Sequential Switch
Q963 Trigger Bus
 

This page shows where to adjust voltage and current limit on power supplies. It is not common for them to need adjustment. These adjustments should be made by a qualified electronics technician. Incorrect adjustments may result in damage to your equipment.

There are several possible types of power supplies used in Synthesizers.com modulars but most of them have similar adjustment locations.

Supplies have 3 voltage adjustments and 3 current limit adjustments.
Use a small insulated flat-head screwdriver to do the adjustments.
Set the voltages to +5.00, +15.00 and -15.00 using a precision voltmeter.
Set the current limits to maximum - full clockwise.

Voltage adjustments are normally labeled "+5V Adj" or something similiar.
Current adjustments are normally labeled "+5 I. Limit" or something similar.

QPS1 Power Supply
This is a typical 75 watt QPS1 power supply.
Click on the image for a larger view.

QPS3 Power Supply
This is a typical 150 watt QPS3 power supply.
Click on the image for a larger view.