User's Manual

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2.3 REAR PANEL CONNECTIONS AND CONTROLS
2.3.1 TRANSCEIVER
2.3.2 ANTENNA
2.3.3 KEY IN
2.3.4 KEY OUT
2.3.5 PTT/VOX
2.3.6 ALC
2.3.7 ALC CONTROL
2.3.8 AC LINE
2.3.9 LINE FUSES
2.4 INITIAL TURN-ON
2.5 TUNE – UP PROCEDURE
2.5.1 CHECKS TO MAKE BEFORE TUNING UP
2.5.2 IMPORTANT POINTS TO REMEMBER
2.5.3 SUGGESTED TUNE – UP PROCEDURE
3 OPERATION AND SAFETY
3.1 INTRODUCTION
3.1.1 TUBES
3.1.2 INTERLOCKS
3.1.3 FUSES
4 TROUBLESHOOTING
4.1 INTRODUCTION
4.2 MAINTENANCE
5 CIRCUIT DESCRIPTIONS AND ILLUSTRATIONS
5.1 INTRODUCTION
5.2 INPUT MATCHING ASSEMBLY A6 (81946) AND 15M
FILTER ASSEMBLY A7 (81953)
5.3 HIGH VOLTAGE RECTIFIER ASSEMBLY A2 (81944)
5.4 SCREEN SUPPLY AND GRID BIAS ASSEMBLY A10
(81950)
5.5 QSK ASSEMBLY A11 (81949)
5.6 SWR ASSEMBLY A4 / RELAY A14 (81951 / 81959)
5.7 PLATE CONNECTOR ASSEMBLY A3 (81948)
5.8 METER/SWITCH/DISPLAY ASSEMBLIES A12 and
A13 (81947 and 81952)
5.9 HV-AC LINE INPUT ASSEMBLY A9 (81945)
5.10 LOAD SHUNT ASSEMBLY A5 (81943)
5.11 SCHEMATIC DIAGRAM, MODEL 417 AMPLIFIER
6 MASTER PARTS LIST
2-2
2-2
2-2
2-2
2-2
2-2
2-3
2-3
2-3
2-3
2-3
2-3
2-3
2-3
2-4
3-1
3-1
3-1
3-1
4-1
4-1
5-1
5-1
5-1
5-3
5-4
5-6
5-8
5-9
5-10
5-12
5-14
5-15
6-1