Crown FM600 - Page 4

Section 3-Operation 3-1
3.1 Initial Power-up Procedures 3-2
3.2 Power Switches 3-4
3.2.1 Power Switch 3-4
3.2.2 Carrier Switch 3-4
3.3 Front Panel Bar-Dot Displays 3-5
3.3.1 Audio Processor Input 3-5
3.3.2 Highband and Wideband Display 3-5
3.3.3 Modulation Display 3-5
3.4 Input Gain Switches 3-6
3.5 Processing Control 3-6
3.6 Stereo-Mono Switch 3-6
3.7 RF Output Control 3-7
3.8 Digital Multimeter 3-7
3.9 Fault Indicators 3-8
Section 4-Principals of Operation 4-1
4.1 Part Numbering 4-2
4.2 Audio Processor/Stereo Generator Circuit Board 4-3
4.2.1 Audio Processor Section 4-3
4.2.2 Stereo Generator Section 4-4
4.3 RF Exciter Circuit 4-6
4.4 Metering Circuit 4-7
4.5 Motherboard 4-8
4.6 Display Circuit Board 4-10
4.7 Driver Switch logic Board 4-11
4.8 RF Driver 4-13
4.9 RF Amplifier 4.14
4.10 Chassis 4-15
4.11 RF Output Filter & Reflectometer 4-15
4.12 Receiver Circuit Board Option 4-16
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