Infinity PS212 Service Manual
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Infinity PS212 Service Manual

Infinity ps series subwoofer service manual
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See also: Owner's Manual
PS Series
PS212 Subwoofer
SERVICE MANUAL
Infinity Systems, Inc.
250 Crossways Park Dr.
Woodbury, New York 11797
Rev1 8/2007

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Summary of Contents for Infinity PS212

  • Page 1 PS Series PS212 Subwoofer SERVICE MANUAL Infinity Systems, Inc. 250 Crossways Park Dr. Woodbury, New York 11797 Rev1 8/2007...
  • Page 2 (with grille) (457mm x 365mm x 476mm) Weight: 44.7 lb (20.3kg) 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 PS series PS212 subwoofer PS 212 subwoofer 400 W Powered Sub/ Plate Amp LINE VOLTAGE Yes/No Hi/Lo Line Nom. Unit Notes NA 120vac/60Hz 108-132 Vrms Normal Operation EU 230vac/50-60Hz 207-264 Vrms Normal operation, MOMS required QA Test Limits Parameter Specification...
  • Page 4 PS series PS212 subwoofer QA Test Limits Parameter Specification Unit Conditions Notes ATO Turn-on time Amp connected and AC on, then input signal applied ( 1 W output ) Auto Mute / Turn-OFF Time minutes 5 < t < 15...
  • Page 5 PS series PS212 subwoofer PS212 PACKAGE...
  • Page 6 PS series PS212 subwoofer ONTROLS AND ONNECTIONS Rear Panel PS212 Line In Crossover Level [Hz] Phase Power Normal Green: On Input Red: Standby ¡ Power Switch ™ Line-Level/LFE Input £ Status LED ¢ Crossover Adjustment ∞ Subwoofer-Level Control § LFE/Normal Selector ¶...
  • Page 7 PS series PS212 subwoofer YSTEM ONNECTIONS If you have a Dolby ® Digital or ® receiver/processor with a low-frequency effects (LFE) or subwoofer output: Set LFE/Normal switch to “LFE.” If your receiver/processor does not contain a Dolby Digital or DTS processor but has subwoofer outputs: Set line-level/LFE switch to “Normal.”...
  • Page 8 In the event that your subwoofer ever needs service, contact your Use a selection that has ample bass information. local Infinity dealer or distributor, or visit www.infinitysystems.com Set the overall volume control of the preamplifier or stereo to a comfort- for a service center near you.

  • Page 9: Exploded View

    PS series PS212 subwoofer EXPLODED VIEW...
  • Page 10 PS series PS212 subwoofer PS212 Test Set Up and Procedure SYSTEM AURAL SWEEP TEST Equipment needed: • Function/signal generator/sweep generator • Multimeter • RCA cables General Unit Function (UUT = Unit Under Test) Switches/knobs on the amplifier faceplate: Phase switch – either position LFE/Normal switch –...
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  • Page 13 PS series PS212 subwoofer PS212 Troubleshooting Flow Chart AMP no signal out Check fuse, transformer, D123.D124 etc DC voltage check ±Vcc Check Q116,Q117,Q118,,D122 Check +/-15v LED red LED light Green or Check,Q102,101,U103 etc LED light Green Check U101,R233,286 , Check U105...
  • Page 14 PS series PS212 subwoofer PS212 Electrical Parts List Qty Reference Designator Part number Description INPUT/PREAMP PCB & DAUGHTER BOARD PCB Resistors 110-14152j26-e resistor 1.5K 1/4W ±5% CF 26mm (RoHS) R150 110-16101j26-e resistor 100Ω 1/6W ±5% CF 26mm (RoHS) R112,R113,R151,R152 110-16102j26-e resistor 1K 1/6W ±5% CF 26mm (RoHS)
  • Page 15 PS series PS212 subwoofer Qty Reference Designator Part number Description INPUT/PREAMP PCB & DAUGHTER BOARD PCB 130-sl330ja03-e disc capacitor SL 33P 100V±5% (RoHS) C148 130-sl470k503-e disc capacitor 47P 50V ±10% (RoHS) C128 135-3105m50-e electrolytic CAP. 1U 50V ±20% (RoHS) C126 135-3106m50-e electrolytic CAP.
  • Page 16 PS series PS212 subwoofer Qty Reference Designator Part number Description MAIN PCB 116-162492f26-e metal film resistor 24.9K 1/6W ±1% MF26mm (RoHS) R257,R258 116-166813f26-e metal film resistor 681K 1/6W ±1% MF26mm (RoHS) R262 Capacitors 130-2b102k503-e disc capacitor 1000P 50V ±10% (RoHS)
  • Page 17 PS series PS212 subwoofer Qty Reference Designator Part number Description CLASS D PCB ASS'Y (RECOMMENDED REPLACE ENTIRE MODULE PART# 051-A05022C-E) 118-12062701j-e SMDresistor 2.70K 1206 5% (RoHS) 118-12063301j-e SMDresistor 3.30K 1206 5% (RoHS) R14,R15,R27,R28 118-12063321f-e SMDresistor 3.32K 1206 1% (RoHS) 118-12063922f-e SMDresistor 1206 39.2K±1% (RoHS)
  • Page 18 Qty Reference Designator Part number Description MISCELLANEOUS/MECHANICAL insulation T0-220 16mm*12mm(RoHS) 193-201612tr-e insulation (RoHS) 193-201815t2-e rear board 300*200*2.5T PS212/120V use (RoHS) 302-AL-05086-0BAE 306-ABS-00177-0BAE rear plastic housing 198*298*102mm (RoHS) 311-ABS-00028-0BAE knob 46077-W P.V.C.(RoHS) heat sink (RoHS) 323-AL-05000-0LAE PCB support 58*9*13.5T (RoHS) 325-FE-00400-0LAE...
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  • Page 33: Pwa/Cdpwa Circut Diagram

    PS series PS212 subwoofer...

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