Denon AVR-1603/683 Service Manual
Also see for AVR-1603: Operating instructionsBrochure & specsOperating instructionsOperating instructionsOperating instructions
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8AVR-1603/683ADJUSTMENTTuner SectionCONNECTION DIAGRAM OF MEASURING INSTRUMENTSFMSTEREOMODULATORFM SSGDigitalVoltmeter75ohmT402 T403IC402VR402TUNER B'DR47120 +14−10 dBAMT402 T403IC402TUNER B’DR471VR401FM ALIGNMENTInput Output AdjustmentStep AlignmentItemTuningFrequencySetting Type Frequency InputLevel Modulation Coupling Type Connect to Points Adjust to1 CenterAdjustment98.1MHz(98.0MHz) FM SSG 98.1MHz 60dBμ Mono1kHz 100%AntennaTerminalDigitalVoltmeter R471 T402 ± 50mV2 Distortion 98.1MHz(98.0MHz) FM SSG 98.1MHz 60dBμ Mono1kHz 100%AntennaTerminalDistortionMeterOutputTerminal (L) T403 MinimumDistortion3 Repeat Steps 1 and 24 Signal Level 98.1MHz(98.0MHz) FM SSG 98.1MHz 20dBμ OFF AntennaTerminalLight “TUNED” onFL Display VR402AM ALIGNMENTOutput AdjustmentStep AlignmentItem Frequency Input Type Connect to Points Adjust to Remarks1 Signal Level 999 (1000)kHz AM SSG VR401 Light “TUNED” onFL DisplaySSG OUTPUT74dBμ (EMF) |
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