www.LaserFX.com Home Page - CLICK HERE

  Home Page >>> Backstage Area >> Laser Show Systems > Pinouts

Search LaserFX.com - CLICK HERE Site Map - CLICK HERE
LaserFX.com Home Page
Laser Safety
Laser Hobbyists
Laser Show Systems


System Design

Scanning Systems

Support Equipment

Laser Graphics

Show Production


Standards and Practrices
Laser F/X Newsletter
Unclassified Ads
Business Issues
Laser Show Discussions
Archives and Download
Laser Show Resources
Updates Page - CLICK HERE
Member Services - CLICK HERE
LaserFX.com Banner Ads - CLICK HERE
About Laser F/X - CLICK HERE
Contact Us - CLICK HERE


Laser Show Systems - Pinouts

DISCLAIMER: The pinouts shown here were contributed by manufacturers, vendors and individuals. While every effort has been made to insure accuracy, LaserFX.com can not be responsible for any errors or omissions.


Cambridge Technology Inc. logo

Cambridge Technology Inc., Series 678XXX Single Scan Amp Board

Pinout for the Cambridge technology 678XXX single axis scan amp board used to drive CTI 6800 series galvos.  This is not an official CTI document, for the latest version, contact mcasey@camtech.com

CTI 678XXX scan amp diagram

J1 - 10 pin Power and Input

Pin Number Signal Name
1 - Drive [-24 VDC]
2 - Drive return [-24 supply ground]
3 Mute
4 Command [input] ground
5 Command [input] +
6 Command [input] -
7 N/C
8 N/C
9 + Drive return [+24V ground]
10 + Drive [+ 24 VDC]

J2 - DB9 Scanner connector

Pin Number Signal Name
1 Motor drive +
2 Motor Shield
3 AGC return
4 Diode Common
5 1A [PD output]
6 Motor drive -
7 PD shield
8 AGC out
9 1B [PD output]


Trimmer Function
R60 Position Detect Linearity [Lin]
R13 Position Detect Scale factor [PSC]
R25 Low Frequency Damping [LED]
R28 Servo Gain [SGA]
R42 High Frequency Damping [HFD]
R69 Position In Offset [IOF]
R70 Position In Scale [ISC]

Test Points

Test Point Function
TP1 Position Signal, VP
TP2 Ground
TP3 Current Monitor
TP4 Motor Voltage , +M
TP6 Summing Amp Input
TP7 Notch Filter Output

J4 - 4 pin

Pin Number Signal Name
1 Position Out
2 Velocity Out
3 Error Out
4 Ground


DISCLAIMER: Some of the information in the Backstage area is provided by the persons or companies named on the relevant page(s). Laser F/X does NOT endorse or recommend any products/services and is NOT responsible for the technical accuracy of the information provided.  We provide this information as a service to laserists using the Backstage area. 

 [ Introduction - System Design - Scanning Systems - Support Equipment - Laser Graphics - Show Production - Pinouts ]


1996-2008 Laser F/X International and LaserFX.com - All rights reserved.
Logos and trademarks are the property of their respective owners - used by permission.