Polaris Service Manual: Schematics, PC Layouts and Drawings
Polaris owners: if you find the PDF files below to be useful, consider making a small donation to the site. I had the schematics professionally scanned. — Chris
Large Format Schematics
Click the thumbnails for high resolution PDF versions.
Main Board Layout (Early Version)
Main Board Layout (Late Version)
Computer, Memory, Data & Panel Buffers, Battery Back-Up
Interface, Timer, Keyboard & Channel Control, Misc.
A/D, D/A, S & H Control, Noise Generator
Synthesizer Channel
Control Panel Left Layout
Control Panel Left Schematic
Control Panel Right Layout
Control Panel Right Schematic
Keyboard Schematic
Primary Board/Secondary Board Layout (Early Version)
Power Supply Schematic (Early Version)
Secondary Board Layout (Late Version)
Power Supply Schematic (Late Version)
Output Board Layout
Output Board Schematic
Interconnection Diagram
Left Membrane Switch Matrix - J8A/B
| Membrane Switches | Matrix Intersection |
|---|---|
Sequencer |
|
| Stop | J8B-2 (SW0) AND J8A-4 (SWSTB2) |
| Record | J8B-3 (SW1) AND J8A-2 (SWSTB0) |
| Play | J8B-3 (SW1) AND J8A-3 (SWSTB1) |
| Lower Function | J8B-3 (SW1) AND J8A-4 (SWSTB2) |
Keyboard |
|
| Link Upper | J8B-2 (SW0) AND J8A-3 (SWSTB1) |
| Link Unison | J8B-4 (SW2) AND J8A-2 (SWSTB0) |
| Link Lower | J8B-4 (SW2) AND J8A-3 (SWSTB1) |
| Kybd Range | J8B-4 (SW2) AND J8A-4 (SWSTB2) |
Master |
|
| Volume/Tune | J8B-2 (SW0) AND J8A-2 (SWSTB0) |
Oscillator 1 |
|
| Ring Mod | J8B-5 (SW3) AND J8A-4 (SWSTB2) |
| Swp PWM/Env PWM | J8B-6 (SW4) AND J8A-2 (SWSTB0) |
| Saws/Pulse | J8B-6 (SW4) AND J8A-3 (SWSTB1) |
| Transpose | J8B-6 (SW4) AND J8A-4 (SWSTB2) |
Oscillator 2 |
|
| Sync | J8B-5 (SW3) AND J8A-2 (SWSTB1) |
| Swp PWM/Env PWM | J8B-7 (SW5) AND J8A-2 (SWSTB0) |
| Saws/Pulse | J8B-7 (SW5) AND J8A-3 (SWSTB1) |
| Transpose | J8B-7 (SW5) AND J8A-4 (SWSTB2) |
Sweep |
|
| Sine/Square | J8B-5 (SW3) AND J8A-2 (SWSTB0) |
Filter |
|
| Noise | J8B-8 (SW6) AND J8A-2 (SWSTB0) |
Right Membrane Switch Matrix - J9A/B
| Membrane Switches | Matrix Intersection |
|---|---|
Envelope |
|
| Fixed Touch | J9B-2 (SW0) AND J9A-2 (SWSTB3) |
Volume Envelope |
|
| Fixed Touch | J9B-3 (SW1) AND J9A-2 (SWSTB3) |
Assignable Control |
|
| Glide | J9B-3 (SW1) AND J9A-3 (SWSTB4) |
| Rate Pedal | J9B-2 (SW0) AND J9A-3 (SWSTB4) |
| Vibrato Pedal | J9B-3 (SW1) AND J9A-4 (SWSTB5) |
| Pitch Pedal | J9B-2 (SW0) AND J9A-4 (SWSTB5) |
| Cutoff Pedal | J9B-3 (SW1) AND J9A-5 (SWSTB6) |
| Volume Pedal | J9B-2 (SW0) AND J9A-6 (SWSTB6) |
| Volume | J9B-2 (SW0) AND J9A-6 (SWSTB7) |
| Mod Lever Range | J9B-3 (SW1) AND J9A-6 (SWSTB7) |
| Bend Lever Range | J9B-4 (SW2) AND J9A-2 (SWSTB3) |
| Vibrato Delay | J9B-5 (SW3) AND J9A-2 (SWSTB3) |
| Osc 1 Vibrato | J9B-6 (SW4) AND J9A-2 (SWSTB3) |
| Osc 2 Vibrato | J9B-7 (SW5) AND J9A-2 (SWSTB3) |
| Osc 2 Envelope | J9B-8 (SW6) AND J9A-2 (SWSTB3) |
| Detune | J9B-9 (SW7) AND J9A-2 (SWSTB3) |
Bank Select/Program Select |
|
| Upper Function | J9B-4 (SW2) AND J9A-3 (SWSTB4) |
| A | J9B-5 (SW3) AND J9A-3 (SWSTB4) |
| B | J9B-6 (SW4) AND J9A-3 (SWSTB4) |
| C | J9B-7 (SW5) AND J9A-3 (SWSTB4) |
| D | J9B-8 (SW6) AND J9A-3 (SWSTB4) |
| E | J9B-9 (SW7) AND J9A-3 (SWSTB4) |
| F | J9B-4 (SW2) AND J9A-4 (SWSTB5) |
| G | J9B-5 (SW3) AND J9A-4 (SWSTB5) |
| H | J9B-6 (SW4) AND J9A-4 (SWSTB5) |
| I | J9B-7 (SW5) AND J9A-4 (SWSTB5) |
| J | J9B-7 (SW6) AND J9A-4 (SWSTB5) |
| K | J9B-9 (SW7) AND J9A-4 (SWSTB5) |
| 1 | J9B-4 (SW2) AND J9A-5 (SWSTB6) |
| 2 | J9B-5 (SW3) AND J9A-5 (SWSTB6) |
| 3 | J9B-6 (SW4) AND J9A-5 (SWSTB6) |
| 4 | J9B-7 (SW5) AND J9A-5 (SWSTB6) |
| 5 | J9B-8 (SW6) AND J9A-5 (SWSTB6) |
| 6 | J9B-9 (SW7) AND J9A-5 (SWSTB6) |
| 7 | J9B-4 (SW2) AND J9A-6 (SWSTB7) |
| 8 | J9B-6 (SW3) AND J9A-6 (SWSTB7) |
| 9 | J9B-6 (SW4) AND J9A-6 (SWSTB7) |
| 10 | J9B-7 (SW5) AND J9A-6 (SWSTB7) |
| 11 | J9B-8 (SW6) AND J9A-6 (SWSTB7) |
| 12 | J9B-9 (SW7) AND J9A-6 (SWSTB7) |
Parallel Interface Cable
Interface Cable Schematic
