Infinity PS-8 Service Manual
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PS-8
PS Series

SERVICE MANUAL

Infinity Systems Incorporated
250 Crossways Park Dr.
Woodbury, New York 11797
Rev2 10/2006

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Summary of Contents for Infinity PS-8

  • Page 1: Service Manual

    PS-8 PS Series SERVICE MANUAL Infinity Systems Incorporated 250 Crossways Park Dr. Woodbury, New York 11797 Rev2 10/2006...
  • Page 2: Table Of Contents

    (445mm x 270mm x 426mm) Weight: 33 lb (15kg) 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-8 INFINITY PRIMUS PS-8 100W Powered Sub/ Plate Amp LINE VOLTAGE Yes/No Hi/Lo Line Unit Notes US 120VAC/60Hz 108-132 Vrms Normal Operation Europe 220-240VAC, 50-60Hz 220-240 Vrms Normal Operation Parameter Specification Unit QA Test Limits Conditions Notes Amp Section Type (Class AB, D, other)
  • Page 4: Controls & Connections

    PS-8 ONTROLS AND ONNECTIONS Rear Panel ¡ Subwoofer-Level Control ™ Crossover Adjustment £ Phase Switch ¡ ¢ LFE Input ∞ Line-Level Inputs ™ § High-Level Inputs ¶ Power Switch £ ¢ ∞ HIGH LEVEL INPUT § – ¶ FUSE 120V T 2.5A L 250V...
  • Page 5 PS-8 UBWOOFER ONNECTIONS HOOSE THE UBWOOFER ONNECTION UITABLE FOR ECEIVER ROCESSOR If you have a Dolby* Digital or DTS ® receiver/processor with a If your receiver/processor does not contain a Dolby Digital or DTS low-frequency-effects (LFE) or subwoofer output: processor but has a subwoofer output:...
  • Page 6: Operation

    PS-8 PERATION Crossover Adjustments Power On The Crossover Adjustment control ™ determines the highest Plug your subwoofer’s AC cord into a wall outlet. Do not use frequency at which the subwoofer reproduces sounds. If your main the outlets on the back of the receiver.
  • Page 7: Unit Exploded View

    Part Number Grille 244-080-0025 Screw (Trim Ring) 352-DM04525D597 Woofer Trim Ring 213-080-00488 Screw (Woofer) 352-FM04014D609 8” Woofer 20PR10DAG-FW04 PS-8 Cabinet Not for sale PS-8 Amplifier Not for sale Screw (Amplifier) 352-AM04020D210 Port Tube 249-HIPS-01003 Foot Pad 320-RUB-00199 Screw (Foot) 352-CM04025D604...
  • Page 8: Amplifier Exploded View

    PS-8 PS-8 AMPLIFIER EXPLODED VIEW...
  • Page 9: Block Diagram

    PS-8...
  • Page 10: Test Set Up And Procedure

    PS-8 PS-8 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: Electrical Parts List

    PS-8 (serial # ME0683-16316 and below) PS-8 Electrical Parts List (See addendum for serial # ME0683-16317 and above) Part number Description Reference Designator Resistors 110-14122j26 Resistor 1.2K 1/4W ±5% CF 26mm R270 110-10821jk2 Resistor 820Ω 1W ±5% 10mm R132 110-122r2j15 Resistor 2.2Ω...
  • Page 12 PS-8 (serial # ME0683-16316 and below) Part number Description Reference Designator Semiconductors 192-027c1815gr Transistor 2SC1815GR Q102,111,112,113,118,201,206,207 192-028a1015gr Transistor 2SA1015GR Q114,116 192-1672n5551 Transistor 2N5551 Q103,109 192-1682n5401 Transistor 2N5401 PNP Q104,110 197-131n4148 Diode 1N4148 26mm D101,103,105,108 199-15000335 Zener diode 3.3V 1/2W 52mm...
  • Page 13 PS-8 (serial # ME0683-16316 and below) Part number Description Reference Designator Miscellaneous 193-3m2520 Piezo TO-3P 25x20mm Q107,108 162-50259201 WIRE ASS'Y 2 PIN 250mm red/white LED1 351-AM03014A094 Screw M3*14 352-AM03008D040 Screw 361-FE-00051 Transistor 14.2*8.0*5.2t=1.6mm 323-AL-00020 HEAT SINK 65*32*31 361-NYL-00054 Transistor SW06002...
  • Page 14: Pcb Drawings (Serial # Me0683-16316 And Below)

    PS-8 (serial # ME0683-16316 and below)
  • Page 15 PS-8 (serial # ME0683-16316 and below)
  • Page 16: Pcb Drawings (Serial # Me0683-16317 And Above)

    PS-8 (serial # ME0683-16317 and above)
  • Page 17 PS-8 (serial # ME0683-16317 and above)
  • Page 19: Schematic Diagrams (Serial # Me0683-16316 And Below)

    PS-8 (serial # ME0683-16316 and below)
  • Page 20 PS-8 (serial # ME0683-16316 and below)
  • Page 21: Schematic Diagrams (Serial # Me0683-16317 And Above)

    PS-8 (serial # ME0683-16317 and above)
  • Page 22 PS-8 (serial # ME0683-16317 and above)
  • Page 23: Schematic Diagrams (Rev 2)

    PS-8...
  • Page 24 PS-8...
  • Page 25 PS-8...

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