Hafler TRM12.1, TRM10.1 manual Table Of Contents, Installation, Operation, Service Reference

TABLE OF CONTENTS

SAFETY PRECAUTIONS	i
PERFORMANCE SPECIFICATIONS	vi
Frequency Response Graphs
INTRODUCTION	1
TECHNICAL DESIGN FEATURES	1
FRONT & REAR PANEL VIEWS	4
SCHEMATIC DIAGRAMS	5
INSTALLATION
Location	9
Studio Installations	9
Home Theater Installations	9
Input Switch	10
XLR Wiring Configurations	10
OPERATION
Auto Turn-On/Sleep Mode	11
Input Sensitivity	11
Low-Pass Crossover	11
Phase Control	12
AC Line	13
LED Indicator	13
Break-In and Warm Up	13
Cleaning and Maintenance	13
SERVICE REFERENCE
PC Board Layout	14
Parts List	15
TRM10.1/TRM12.1 Functional Block Diagrams	17
Input Circuit	17
Mono Sum/Gain Circuit	17
Phase Control Circuit	17
Buffer/Gain Trim Circuit	17
Filter Circuits	17
Class-G trans•ana Amplifier	18
Soft Start Circuit	18
Power On/Off Circuit	19
Signal Sensing Turn-On Circuit	19
Thermal Protection	19
Circuit Calibration	20
Amplifier Replacement	21
Woofer Replacement	21
WARRANTY	22

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