Infinity Speaker PS28 Instrukcja Użytkownika

PS Series PS28 Subwoofer SERVICE MANUAL Infinity Systems, Inc. 250 Crossways Park Dr. Woodbury, New York 11797 Rev1 3/2007

PS28 Test Set Up and Procedure SYSTEM AURAL SWEEP TEST Equipment needed: • Function/signal generator/sweep generator • Integrated Amplifier • Multi

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PS28 Troubleshooting Flow Chart no yes yes yes no yes yes LED red LED ligh

PS 28 (120v) Electrical Parts ListPart Number Description Qty Reference DesignatorPREAMP PCBResistors110-14122j26-e Resistor 1.2K 1/4W ±5% CF 26mm

Part Number Description Qty Reference DesignatorPOWER/MAIN PCBResistors110-14472j26-e Resistor 4.7K 1/4W ±5% CF 26mm (RoHS) 2 R147,R150110-14

Part Number Description Qty Reference DesignatorPOWER/MAIN PCB192-027c1815gr-e transistor 2SC1815GR TOSHIBA(RoHS) NPN 2 Q101,Q115,192-201d88

Part Number Description Qty Reference DesignatorMISCELLANEOUS/MECHANICAL123-14j70d-e Ferrite Core U-16.3*8.2*13 (J70)+CASE (RoHS) 1130-3f472md00-e dis

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- CONTENTS - BASIC SPECIFICATIONS …………………..……………..1 DETAILED SPECIFICATIONS…………………..……….…..2 PACKAGING……………….……………………….…...….…4 CONTROLS AND C

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INFINITY PRIMUS PS28 150W Powered Sub/ Plate Amp LINE VOLTAGE Yes/No Hi/Lo Line Unit NotesUS 120VAC/60Hz Yes 108-132 VrmsNormal OperationEurope 220-2

Parameter Specification Unit QA Test Limits Conditions NotesTurn-off Transient 50 mV-peak100 @ Speaker Outputs AC Line cycled from ON to OFFEfficiency

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PS28 (120V)Rear PanelCONTROLS AND CONNECTIONS¡Subwoofer-Level Control ™Crossover Adjustment£Phase Switch¢LFE Input∞Line-Level Inputs §Power Switch§¡™£

PS28 (120V)If you have a Dolby®Digital or DTS®receiver/processor with a low-frequencyeffects (LFE) or subwoofer output:SUBWOOFER ORLFE OUTPUTIf your r

OPERATIONPower OnPlug your subwoofer’s AC cord into a wall outlet. Do not use theoutlets on the back of the receiver.Initially set the Subwoofer-Level

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