Manuals / Dynacord / Home Audio / Stereo Amplifier

Dynacord DPA 4120, DPA 4140 owner manual

Models: DPA 4120 DPA 4140

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B 411

figure 8 printed board assembly 84187 in the DPA 4120 showing the NRS 90224 pilot tone & ground fault surveillance and the bridges B411 and S405, S406 for switching the output voltage; inserted

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Dynacord DPA 4120, DPA 4140 owner manual

Contents

POWER AMPLIFIER DPA 4120 / DPA Performance FeaturesPage Indicators, controls and connections Contents 3.Before the first operation 2.Installation1.Utilization The amplifier has to be protected from4.INPUT 3.2Battery operation 24V DC5.Outputs 5.1POWER OUTPUT 5.6REMOTE CONTROL connector only NRS 6.Indicators5.5MONITOR output 6.4GROUND FAULT indicator 6.1STANDBY indicator6.2READY indicator 6.3PROTECT indicator8.1Standard input module NRS 8.Enhanced application field8.2Remote module NRS Input Transformer NRS Input Transformer NRS Output Transformer 8.5.2 Ground fault surveillance8.5.1 Pilot tone surveillance Output Transformer NRSRe-installthe top plate of the enclosure Page NRS 90 S S B Checking the pilot tone surveillance function11.Fuses 11.1 Fuses in the DPA Checking the ground fault surveillance function9.19-caseand 19“-rack-shelfsystem installation 10.Ground lift switch CIRCUIT ⊥ TO CHASSIS SWITCHPage F 503 F figure 12 printed board assemblies 86243 DPA 4120 and DPA 4140 showing the AC fuses F601 and F602 battery operation 12.Specifications12.1DPA 4120 power amplifier 200 W power supplyfeatures of the power output 12.2 DPA 4140 power amplifier 400 Wpower supply battery operation13.5.1 pilot tone surveillance ground fault surveillanceextension kits for the DPA 4120 and DPA 13.2NRS 90222 remote module