Infinity PS212 Service Manual Download

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PS Series

PS212 Subwoofer

SERVICE MANUAL

Infinity Systems, Inc.

250 Crossways Park Dr.

Woodbury, New York 11797

Rev1 8/2007

Summary of Contents for 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: ... Response 25Hz 150Hz 3dB Maximum Amplifier Output 400 Watts RMS 700 Watts Peak 20Hz 150Hz with no more than 0 1 THD Crossover Frequencies 50Hz 150Hz 24dB octave continuously variable Driver 12 250mm MMD Dimensions H x W x D 18 x 14 3 8 x 18 3 4 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...

Page 3: ...t Bandpass Measurement Line freq harmonics Input Impedance Line Input 6 5 k ohms Nominal Active Filters Low Pass fixed or variable VARIABLE Frequency 50 150 Hz Slope 24 dB Octave Q Butterworth High Pass HPF FIXXED Frequency 29 Hz Slope 12 dB Octave Q 2 Friend Circuit FIXXED Frequency 60 Hz notch filter Slope 6 dB Octave Q 2 5 Video Boost NONE Boost dB Range Hz Switches Main Power ON OFF YES Type r...

Page 4: ...sient 30 mV peak Speaker Outputs AC Line cycled from OFF to ON Turn off Transient 30 mV peak Speaker Outputs AC Line cycled from ON to OFF Efficiency Stand by Input Power 10 Watts typ nom line voltage AC Power Cons 1W 12 Watts typ nom line voltage Power Cons rated power 473 Watts typ nom line voltage Input power measured is REAL Watts not VA Efficiency 63 typ nom line voltage Protection Short Circ...

Page 5: ...PS212 PACKAGE 4 PS series PS212 subwoofer ...

Page 6: ...50 50 Green On Red Standby LFE Input Phase Normal LFE Crossover Hz Max Min Level Power PS212 0 1 2 3 4 5 6 Power Switch Line Level LFE Input Status LED Crossover Adjustment Subwoofer Level Control LFE Normal Selector Phase Switch 5 PS series PS212 subwoofer ...

Page 7: ... has subwoofer outputs Set line level LFE switch to Normal NOTE If your receiver processor has only one sub out you may use either the L or R input Set LFE Normal switch to LFE If you have a Dolby Digital or DTS receiver processor with a low frequency effects LFE or subwoofer output 6 PS series PS212 subwoofer ...

Page 8: ...he entire system so the bass can be felt as well as heard However overall balance must be maintained or the music will not sound natural An experienced listener will set the volume of the subwoofer so its impact on bass response is always there but is never obtrusive Phase Control The Phase Switch determines whether the subwoofer speaker s piston like action moves in and out with the main speakers...

Page 9: ...PS series PS212 subwoofer 8 EXPLODED VIEW ...

Page 10: ...kwise Max 5 LED on control panel should now be Green immediate bass response should be heard and felt from rear port tube opening Sweep Function 1 Follow steps 1 5 above using a sweep generator as a signal source 2 Sweep generator from 20Hz to 1kHz Listen to the cabinet and drivers for any rattles clicks buzzes or any other noises If any unusual noises are heard remove woofer and test Driver Funct...

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Page 13: ...sformer D123 D124 etc Check Class 300W MODULE Check d130 r263 265 etc Check vbbp vbbp dc voltage Check k101 etc Check Q116 Q117 Q118 D122 Check Q102 101 U103 etc Check P104 pin8 signal Check U105 Pin7 signal Test J111 signal Check P102 signal Amp ass y OK END Check U101 R233 286 U102 etc Check r257 r258 etc Check limiter Circuit C151 Check U106 r204 205 206 207 D112 D113 etc Change Q108 109 110 11...

Page 14: ... MF26mm RoHS 1 R193 116 162051f26 e metal film resistor 2 05K 1 6W MF 26mm RoHS 1 R253 116 162212f26 e metal film resistor 22 1K 1 6W 1 MF26mm RoHS 2 R204 R206 116 162262f26 e metal film resistor 22 6K 1 6W 1 MF26mm RoHS 4 R209 R231 R232 R296 116 162803f26 e metal film resistor 280K 1 6W 1 MF 26mm RoHS 1 R201 116 163011f26 e metal film resistor 3 01K 1 6W 1 MF26mm RoHS 1 R194 116 164421f26 e metal...

Page 15: ... 2 SW102 SW103 362 FE 00041 0LAE PCB support 11 75 8 5 12 5H RoHS 1 MAIN PCB Resistors 109 1tsc103j0 e thermister resistor TSC05103J RoHS 1 R237 110 12621j15 e resistor 620Ω 1 2W 5 15mm RoHS 1 R238 110 20152j20 e resistor 1 5K 2W 5 CF 20mm KINK RoHS 1 R208 113 50r10j10 e cement resistor 0 1Ω 5W 5 RoHS 2 R224 R225 116 142003f26 e metal film resistor 200K 1 4W 1 MF26mm RoHS 1 R209 110 16102j26 e res...

Page 16: ...D121 D125 D126 199 15000565 e zener diode 5 6V 1 2W 52mm RoHS 1 D116 199 15001505 e zener diode 15V 1 2W 52mm RoHS 1 D122 199 15002005 e zener diode 20V 1 2W 52mm RoHS 1 D129 190 16lm324n e I C LM324N RoHS QUAD OP AMP 1 U107 192 991d669a e transistor HI SINCERITY HSD669A RoHS NPN 1 Q116 192 992b649t e transistor HSB649T RoHS PNP 1 Q118 197 00db103g e diode 1A 200V DF02MDB103G RoHS 1 D124 197 00kbu...

Page 17: ...16tl072dts e SMD I C TL072CDT DUAL OP AMP RoHS 1 IC1 192 09124126qs e SMD transistor 2SC2412K T146Q R ROHM RoHS 2 Q1 Q4 192 09139066rs e SMD transistor 2SC3906K T146R ROHM RoHS 2 Q2 Q8 192 091sc4672 e transistor 2SC4672 MPT3 ROHM RoHS 1 Q5B 192 09210376qs e SMD transistor 2SA1037K T146Q R ROHM RoHS 2 Q7 Q9 192 09215146rs e SMD transistor 2SA1514K T146R ROHM RoHS 1 Q3 192 1582n5401 e transistor FSC...

Page 18: ...Gasket 48 18 1 5T RoHS 1 333 SPG 00860 0BAE fire prevention bubble cotton 450 50 5T RoHS 1 335 NYL 00002 0BAE power line grommet 4K 4 NO BB RoHS 1 336 RUB 05103 0BAE RUB Pad 97 16 3 0T black RoHS 2 350 EM04012D024 E 4 12 wood screw black RoHS 4 351 AM03008A078 E M3 8 machine screw RoHS 4 351 AM03008A079 E 3 8 machine screw black RoHS 7 351 AM03018A364 E machine screw SCREW M3 18 black RoHS 2 351 H...

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