Service manual

6
A1DSP1 LCD Display ................................................................................................................................................... 51
A1G1 and A1G2 Rotary Controls.................................................................................................................................. 51
A1KPD Keypad ............................................................................................................................................................. 51
Output Bus Boards A7, A81 and A9 & Chassis Components........................................................................................ 52
Principles of Operation ........................................................................................................................................................ 59
Introduction....................................................................................................................................................................... 59
A2 GPIB Board................................................................................................................................................................. 59
A1 Front Panel Assembly ................................................................................................................................................. 60
A10 Control Board.......................................................................................................................................................... 60
A4 AC Input Board........................................................................................................................................................... 62
A5 DC Rail Board............................................................................................................................................................. 63
A3 FET Board................................................................................................................................................................... 63
Output Circuits.................................................................................................................................................................. 64
Replaceable Parts.............................................................................................................................................................. 65
Introduction...................................................................................................................................................................... 65
How to Order Parts ........................................................................................................................................................... 65
Diagrams................................................................................................................................................................................ 69
Introduction....................................................................................................................................................................... 69
Backdating............................................................................................................................................................................. 99
Index .................................................................................................................................................................................... 101