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RTZ Professional Audio, LLC 
Alpharetta, GA USA 
Web: 

http://www.rtzaudio.com

 

Email: [email protected] 
 
 
 

COPYRIGHT © 2022, RTZ PROFESSIONAL AUDIO, LLC 

RTZ® IS A REGISTERED TRADEMARK OF RTZ PROFESSIONAL AUDIO, LLC

 

DOC-REV-A03 

 

3/5/2022

 

 

 

 
 
 
 
 

MOTOR DRIVE AMPLIFIER 

4840393 

 
 

AMPEX

 

UPGRADE

 

ELECTRONICS 

 

Owner’s Manual 

 

 

Содержание 4840393

Страница 1: ...eb http www rtzaudio com Email rtzaudio comcast net COPYRIGHT 2022 RTZ PROFESSIONAL AUDIO LLC RTZ IS A REGISTERED TRADEMARK OF RTZ PROFESSIONAL AUDIO LLC DOC REV A03 3 5 2022 MOTOR DRIVE AMPLIFIER 484...

Страница 2: ...sted until the motor just begins to develop torque at a known reference DAC level The motor drive torque signal can be observed with an oscilloscope connected to test points on the MDA board as well 3...

Страница 3: ...tension kit it s best solder this in position 1 2 to avoid any potential issues that might arise from use of a removable jumper Figure 1 Jumper Strapping 5 PROTECTIVE FUSES The RTZ MDA card uses fuses...

Страница 4: ...5mA current present at the error input Remove the MDA card from the machine and adjust multi turn trimmers R3 and R4 both to the mid scale position approximately 5 turns You can measure the trimmer r...

Страница 5: ...Motor Drive Amplifier 4840393 RTZ Professional Audio LLC 5 8 PCB COMPONENT LEGEND...

Страница 6: ...Motor Drive Amplifier 4840393 RTZ Professional Audio LLC 6...

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