Altec 1707c 1715c

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altec 1707c 1715c

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Page 1

ALTEC

the sound of expet\e\\cm

1 707C & 1 715C
Mixer/Power Amplifiers

Operating and Service Instructions

ALTEC LANSING CORPORATION

a MARK IV company
P.O. BOX 26105 0 OKLAHOMA CITY, OK 0 73126-0105 0 405-324-5311 or FAX 405-324-8981

Page 2

Table of Contents

Secfion

SPECIFICATIONS
ELECTRICAL CONNECTIONS FOR THE 17070/11156
MIXER/POWER AMPLIFIERS
Power Connections (120 Volt. 50/60 Hz)
Power Connections [100, 200, 220. or 240 Volt; 50/60 Hz)
INSTALLING MODULES IN THE MAINFRAME
SHELF OR RACK MOUNTING THE 1707C/1715C
MIXER/POWER AMPLIFIERS
Ventilation
CONFIGURING THE MAINFRAME
The Mainframe's Inner Workings
Output Connection
Output Fuse
Mute/T one Generator Connections
The Rear«Pane| Output-Level Control
Resistance Effects of Long-Cable Runs on Mute-
and Tone-Generator Circuits
LINK IN/LINK OUT Connections
PREAMP OUT/AMP IN Connections
AUX OUT Connections
Battery Input Connections
FRONT/REAR-PANEL CONTROLS. SWITCHES. INDICATORS.
AND CONNECTORS
INITIAL SETUP AND OPERATION OF MAINFRAME WITH
MODULES INSTALLED
Initial Setup of an Input Module
Initial Setup of an Output Module
Initial Setup of the Mainframe
Operating the 17o7C/1715C Mixer/Power Amplifiers
SERVICE INSTRUCTIONS
SERVICE INFORMATION
Power Amplifier Bias Adjustment
Power Amplifier DC Offset Adjustment
Parts Ordering
Factory Service
Technical Assistance
Parts List

List of Tables and Figures

Table I. AC Line Voltage Selection and Strapping Chan

Table II, AC Fuse Selection Chart

Table III, Maximum Allowable Cable Resistances

Figure I. Top-Cover Removal

Figure 2. Location of Voltage Selection Terminal Block

Figure 3. Application of International Stickers

Figure 4. Module Installation

Figure 5. Removal of Blank Cover Panel

Figure 6. System Configuation Label

Figure 7. Block Diagram of 1707C/1715C Mixer/Power Amplifiers

Figure 8. Direct Output Connections

Figure 9. Transformer Output Connections

Figure 10. Mute/Tone Generator Switch Connections

Figure 11. Typical Linking Connections

Figure 12. Patching an External Equalizer or Other Signal Processing
Devices

Figure 13. Battery Input Connections

Figure 14. Front-Panel Controls, Switches, and Indicators for the
17070/17150

Figure 15. Rear-Panel Control and Connectors for the 1707C/1715C

Figure 16. Schematic of the 17076/1115C Mainframe

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