A b l e – Hafler P1500 User Manual
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T
A B L E
O F
C
O N T E N T S
PERFORMANCE SPECIFICATIONS ............................................................................................................................... i
SAFETY PRECAUTIONS ............................................................................................................................................... ii
INTRODUCTION ........................................................................................................................................................ 1
FRONT & REAR PANEL VIEW ..................................................................................................................................... 2
INSTALLATION
Location ................................................................................................................................................................ 3
AC Line ................................................................................................................................................................. 3
Input ...................................................................................................................................................................... 4
PC Board Layout .............................................................................................................Removable Center Spread
Output Connections .............................................................................................................................................. 7
Monophonic Use ................................................................................................................................................... 7
OPERATION
Power Switch ........................................................................................................................................................ 7
Level Controls ....................................................................................................................................................... 7
Mono Switch ......................................................................................................................................................... 7
Short Circuit Protection ......................................................................................................................................... 8
LED Indicators ....................................................................................................................................................... 8
Warm Up .............................................................................................................................................................. 8
Cleaning and Maintenance .................................................................................................................................... 8
PC BOARD LAYOUT ................................................................................................................................................... 9
PARTS LIST ................................................................................................................................................................ 10
TECHNICAL REFERENCE
Field Service Considerations ................................................................................................................................ 12
Theory and Operation of trans•
nova ................................................................................................................... 12
Circuit Operation ................................................................................................................................................ 13
trans•
nova Implementation ................................................................................................................................. 13
Output Short Protection ....................................................................................................................................... 14
Thermal Protection .............................................................................................................................................. 14
Clipping Indicator ................................................................................................................................................ 15
Signal Present Indicator ....................................................................................................................................... 15
Calibration .......................................................................................................................................................... 15
Bias ..................................................................................................................................................................... 15
Common Mode Rejection .................................................................................................................................... 15
Module Replacement .......................................................................................................................................... 16