Related Manuals for Infinity PS Series
Summary of Contents for Infinity PS Series
- Page 1 PS Series PS28 Subwoofer SERVICE MANUAL Infinity Systems, Inc. 250 Crossways Park Dr. Woodbury, New York 11797 Rev1 3/2007...
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Page 2: Table Of Contents
17-7/8" x 10-5/8" x 16-1/2" (454mm x 270mm x 419mm) Weight: 31.7 lb (14.4kg) Infinity continually strives to update and improve existing products, as well as create new ones. The specifications and construction details in this and related Infinity publications are therefore subject to change without notice. -
Page 3: Detailed Specifications
PS series PS28 subwoofer INFINITY PRIMUS PS28 150W Powered Sub/ Plate Amp LINE VOLTAGE Yes/No Hi/Lo Line Unit Notes US 120VAC/60Hz 108-132 Vrms Normal Operation Normal Operation Europe 220-240VAC, 50-60Hz 220-230 Vrms Parameter Specification Unit QA Test Limits Conditions Notes... - Page 4 PS series PS28 subwoofer Parameter Specification Unit QA Test Limits Conditions Notes @ Speaker Outputs AC Line cycled from ON to OFF Turn-off Transient mV-peak Efficiency Maximum allowable input power under nominal Input voltage and frequency, HOT Stand-by Input Power Watts @ nom.
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Page 5: Packaging
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Page 6: Controls And Connections
PS series PS28 subwoofer ONTROLS AND ONNECTIONS Rear Panel ¡ Subwoofer-Level Control ™ Crossover Adjustment ® ¡ £ Phase Switch ¢ LFE Input ∞ Line-Level Inputs ™ § Power Switch £ ¢ ∞ § FUSE 120V T 2.5A L 250V... - Page 7 PS series PS28 subwoofer UBWOOFER ONNECTIONS HOOSE THE UBWOOFER ONNECTION UITABLE FOR ECEIVER ROCESSOR If you have a Dolby ® Digital or DTS ® receiver/processor with a low-frequency SUBWOOFER OR effects (LFE) or subwoofer output: LFE OUTPUT If your receiver/processor does...
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Page 8: Operation
In the event that your subwoofer ever needs service, making proper contact? Is the AC plug connected to a “live” contact your local Infinity dealer or distributor or visit receptacle? Has the Power Switch § been pressed to the “On”... -
Page 9: Exploded View/Parts List
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Page 10: Test Set Up And Procedure
PS series PS28 subwoofer PS28 Test Set Up and Procedure SYSTEM AURAL SWEEP TEST Equipment needed: • Function/signal generator/sweep generator • Integrated Amplifier • Multimeter • Speaker cables General Unit Function (UUT = Unit Under Test) Switches/knobs on the amplifier faceplate: Low Pass Frequency Adjust full CW (150Hz) Phase switch –... -
Page 11: Block Diagram
PS series PS28 subwoofer... - Page 12 PS series PS28 subwoofer...
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Page 13: Troubleshooting Flow Chart
PS series PS28 subwoofer PS28 Troubleshooting Flow Chart AMP no signal out Check Fuse,Transformer, D110, etc DC voltage check ±Vcc Check Q117,118,119,D109 etc Check+/-15VDC LED red LED light green or red Check,Q206,Q207,U203 etc LED light green CheckU201,U202,VR201 Check U201 VR202. etc... -
Page 14: Electrical Parts List (120V)
PS series PS28 subwoofer PS 28 (120v) Electrical Parts List Part Number Description Qty Reference Designator PREAMP PCB Resistors 110-14122j26-e Resistor 1.2K 1/4W ±5% CF 26mm (RoHS) R270 110-16102j26-e Resistor 1K 1/6W ±5% CF 26mm (RoHS) R213,R214,R215,R254,R253 R212,R216,R217,R220,R221,R222,R225,R226,R228, 110-16103j26-e Resistor 10K 1/6W ±5% CF 26mm (RoHS) - Page 15 PS series PS28 subwoofer Part Number Description Qty Reference Designator POWER/MAIN PCB Resistors 110-14472j26-e Resistor 4.7K 1/4W ±5% CF 26mm (RoHS) R147,R150 110-14681j26-e Resistor 680Ω 1/4W ±5% CF 26mm (RoHS) R148,R151 110-16101j26-e Resistor 100Ω 1/6W ±5% CF 26mm (RoHS) R120 110-16102j26-e Resistor 1K 1/6W ±5% CF 26mm (RoHS)
- Page 16 PS series PS28 subwoofer Part Number Description Qty Reference Designator POWER/MAIN PCB 192-027c1815gr-e transistor 2SC1815GR TOSHIBA(RoHS) NPN Q101,Q115, 192-201d882y-e transistor KSD882Y (RoHS) PNP Q117, 192-202b772y-e transistor KSB772Y (RoHS) PNP Q119, 192-991d669a-e transistor HI-SINCERITY HSD669A (RoHS) NPN Q106, 192-992b649t-e transistor HSB649T (RoHS) PNP...
- Page 17 PS series PS28 subwoofer Part Number Description Qty Reference Designator MISCELLANEOUS/MECHANICAL 123-14j70d-e Ferrite Core U-16.3*8.2*13 (J70)+CASE (RoHS) 130-3f472md00-e disc capacitor 4700P 400V ± 20% safy long foot (RoHS) 150-e8604107-e transformer EI-86 60Hz 120V TT0869906580 power line cord polar SVT FT-2 6FT double insulation...
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Page 18: Pcb Drawings
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Page 22: Semiconductor Pinouts
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Page 23: Schematics (120V)
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