Hafler 945 User Manual
Page 4
TABLE OF CONTENTS
PERFORMANCE SPECIFICATIONS ............................................................................................... 4
General Information .................................................................................................................. 5
INSTALLATION
Rackmounting ............................................................................................................................
5
Ventilation/Placement ................................................................................................................
5
Line Voltage ...............................................................................................................................
5
OPERATION/CONNECTIONS
Power Cord Connection ............................................................................................................ 5
Convenience Outlets ................................................................................................................ 5
Front Panel V i e w Diagram ........................................................................................................ 6
Rear Panel View Diagram ........................................................................................................
8
Remote Control Diagram .........................................................................................................
1 0
Functional Block Diagram ........................................................................................................
1 1
Antenna Connections ............................................................................................................. 12
Initial Power-Up/Muting System .............................................................................................. 12
Preamplifier Section
A u d i o Line Level Inputs .......................................................................................................... 12
Video Switching ...................................................................................................................... 12
Tape Inputs and Outputs .........................................................................................................
1 3
Tone Controls and Tone In/Out .............................................................................................. 13
Mute Control ............................................................................................................................
1 4
Volume Control and Volume Control Indicator ........................................................................
1 4
Balance Control .......................................................................................................................
1 4
Mono Control ...........................................................................................................................
1 4
Headphone Output ................................................................................................................. 14
AM/FM Tuner Section
AM/FM Selector ................................................................................................................................ 14
Up/Down Tuning and Auto Selector ....................................................................................... 15
Memory Presets l-9 and +10 Preset Shift (Front Panel) ........................................................ 15
Memory Preset Buttons '1', 1 1' and Next (Remote Control) .................................................. 15
Storing Stations into Memory.. ................................................................................................ 15
Mono Control ...........................................................................................................................
1 5
CIRCUIT DESCRIPTION
Line Level Input Selector System ......................................................................................... 1 6
J F E T Buffer And Record Output Driver .................................................................................. 16
Tape Monitor Switching .......................................................................................................... 16
Volume And Balance Controls ..............................................................................................
1 6
Line A m p l i f i e r ...........................................................................................................................
1 6
Tone Control System .............................................................................................................. 16
Muting System ........................................................................................................................ 16
Headphone Amplifier .............................................................................................................. 17
AM/FM Tuner ...........................................................................................................................
1 7
ADDITIONAL INFORMATION
General Troubleshooting Hints ............................................................................................... 17
Ground Loops ......................
. ...................................................................................................
1 7
FM Antenna .............................................................................................................................
1 8
A M Antenna .....................................................
........................................................................
1 9
Remote Control Battery Replacement .................................................................................... 19
Cleaning/Maintenance ............................................................................................................ 19
SERVICE POLICY AND LIMITED WARRANTY ............................................................................. 19
-3-