AL-800H Instruction Manual
iv
Tuning..............................................................................................................................19
Tuning Procedure.................................................................................................19
"ALC SET" Control.............................................................................................22
Additional SSB Notes......................................................................................................22
AM (Amplitude Modulation) Operation .........................................................................22
FM (Frequency Modulation), RTTY, and DIGITAL OPERATION...............................23
Audio Distortion ..............................................................................................................23
QSK Operation ................................................................................................................23
Periodic Maintenance ......................................................................................................24
Parts List ..........................................................................................................................25
Power Supply / SWR Board (50-0800H-1) .........................................................25
Tuned Input Board (50-0800H-2)........................................................................26
AL-800H Tuned Input Chart ...............................................................................26
Meter Board (50-0800H-3)..................................................................................26
Timer / Overload Board (50-01172)....................................................................27
AL-800H Main Chassis Parts List .......................................................................28
Frequency Coverage ........................................................................................................29
Amplifier Tuning Log......................................................................................................29
Notes:...................................................................................................................30
Schematics .......................................................................................................................31
Wiring Diagram ...................................................................................................31
PWR Supply / SWR Board..................................................................................32
Input Board ..........................................................................................................33
Meter Board .........................................................................................................34
Timer / Overload Board.......................................................................................35
Notes:...................................................................................................................36
