Telex
1505
service manual
Specification
Parts list
Controls and Indicators
Warranty
Switch Settings
Power
Page 9
Page 8
Page 10
Image 9
Page 8
Page 10
Contents
Audio Line Driver
Table of Contents
Optional Features include
Inspection
Access for Installation/Servicing
Power
Mounting
Signal Connections and Card Edge Con- nector Pin Assignment
Function Jumper Status Out
Jumper Options
Microphone Jumpers
Switch Settings
Receive Line Input Impedance
Parallel Transmit Line Impedance Matching
Controls and Indicators
Interface connector Numbering
Securing the Connections
Operation Description
Component Side
Card Edge Connector Pin Assignments Solder Side
Receive Amplifier
Theory of Operation General
Compression Limiter Circuit
Transmit Line Amplifier
Page
Page
Page
Power Supply
Indicators
Warranty Limited
Microphone Input
Specifications
Parts List
Part No. Description Ckt Sym
Conn Jumper Plug JP1 JP2 JP3 JP4 JP5 JP6 JP7 JP8 JP9
East Cornhusker Highway, Lincoln, Nebraska
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