Infinity PS212W Service Manual
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Infinity PS212W Service Manual

Wireless powered subwoofer
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PS212W
Wireless Powered Subwoofer
Service Manual
Infinity Systems, Inc.
250 Crossways Park Dr.
Released 2008
Woodbury, New York 11797
Rev0 8/2008
Discontinued XXXX

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Summary of Contents for Infinity PS212W

  • Page 1 PS212W Wireless Powered Subwoofer Service Manual Infinity Systems, Inc. 250 Crossways Park Dr. Released 2008 Woodbury, New York 11797 Rev0 8/2008 Discontinued XXXX...

  • Page 2: Table Of Contents

    Transmitter Weight: 0.5 lb (0.2kg) 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. * The peak dynamic power is measured by recording the highest center-to-peak voltage measured across the output of a...

  • Page 3: Detailed Specifications

    PS212W subwoofer PS212W 250W Powered Sub Amp LINE VOLTAGE Yes/No Hi/Lo Line Nom. Unit Notes US 120vac/60Hz 108-132 Vrms Normal Operation EU 230vac/50-60Hz 207-253 Vrms Normal operation, MOMS required QA Test Parameter Specification Unit Conditions Notes Limits Amp Section Type (Class AB, D, other)
  • Page 4 PS212W subwoofer QA Test Parameter Specification Unit Conditions Notes Limits Transients/Pops Amplifier activated by signal presence at the ATO Transient V-peak 0.5V @ Speaker Output Line input Turn-on Transient V-peak 0.8V @ Speaker Output AC Line cycled from OFF to ON...

  • Page 5: Packaging

    PS212W subwoofer PACKAGING...

  • Page 6: Controls/Connections

    ¢ Subwoofer ID-Code Selector ⁄ Transmitter Antenna ∞ Status LED ¤ Transmitter Power Supply Input § Low-Pass Selector (Wireless Input Only) ‹ Transmitter ID-Code Selector ¶ Crossover Adjustment › Transmitter Sub Input CODE Sub In DC18V 1 2 3 4 PS210W, PS212W (120V)
  • Page 7 Crossover Adjustment ¶ as described on page 6. Some receivers have two subwoofer outputs. In that case, use either connector. NOTE: If your receiver/processor has only one sub out, you may use either the L or R input. PS210W, PS212W (120V)

  • Page 8: Operation

    Simply set the channel selector on the ∞ without using the wireless link, the Status LED on the subwoofer transmitter and on the two subwoofers to the same channel. should be lit green. If the LED on the subwoofer remains red, check PS210W, PS212W (120V)

  • Page 9: Subwoofer Exploded View/Parts List

    PS212W subwoofer...

  • Page 10: Transmitter Exploded View/Parts List

    PS212W subwoofer...

  • Page 11: Test Set-Up And Procedure

    1) From a mono output signal generator, OFF at this time, connect an RCA cable to the “Sub in” jack on the PS212W Transmitter. Assure the power supply has been plugged in and a Red or blinking Green LED is now showing on the transmitter.
  • Page 12 PS212W subwoofer Sweep Function 1) Follow steps 9-14 above, using a sweep generator as a signal source. 2) Sweep generator from 20Hz to 300Hz. 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.

  • Page 13: Amplifier Block Diagram

    PS212W subwoofer Wireless PCB 12.288MHz Pre amp PCB protection Crossover mute control -15V U102 +15V signal input Power amp PCB protection mute -15V To speaker Power regulator circuit +15V Class_d Relay signal input Amp model Ac in...

  • Page 14: Subwoofer Amp Troubleshooting

    PS212W subwoofer PS212W Testing Flow Chart Start Test protection Dc voltage check ±Vcc,±15V Check U ±15Vcc etc Check transformer 168, Test limiter circuit 124, Check U Power on check LED red &green Check vol module Check THD output & connector power, noise cable&...

  • Page 15: Transmitter Troubleshooting

    PS212W subwoofer Transmitter Troubleshooting Flow Chart AMP no signal out Check,D1,L01,D05,Q04,D0 3,Q03,Q01,Q02 etc check +VD(17VDC) Check Q06,Q05 etc Check+VA(15VDC) Check+12VDC +3.6VDC Check,Q07,D08 .U01,D10,U02etc Check,U05,U06,U08,Q11,Q12,U03,U04 etc led red LED light green or red LED light green signal Check MD01 AINL,AINR CheckU07,U05,U06 etc...

  • Page 16: Receiver Pcb Troubleshooting

    PS212W subwoofer Wireless Receiver board Troubleshooting Flow Chart AMP no signal out Check,R505,U501,D501,L5 01,L502,U01, etc Check 3.7VDC Check U04,U02,U03,etc Check MD01 LRCK signal Check MD01 RX-11G signal Check LAUNCHER The Amp ass’Y OK, END...

  • Page 17: Drawings

    PS212W subwoofer...
  • Page 18 PS212W subwoofer...
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  • Page 20 PS212W subwoofer...
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  • Page 24: Electrical Parts List

    PS212W subwoofer PS212W (120v) Electrical Parts List Part Number Description Qty Reference Designator MAIN/POWER SUPPLY PCB Resistors R237, 109-1TSC103J0-E Resistor TSC05103J 10K +/-5% (RoHS) R238, 110-12621J15-E Resistor 620Ω 1/2W ±5% 15mm(RoHS) R208, 110-20152J20-E Resistor 1.5K 2W ±5% CF 20mm KINK(RoHS)
  • Page 25 PS212W subwoofer Part Number Description Qty Reference Designator MAIN/POWER SUPPLY PCB Miscellaneous K101, 171-UDHSS124D-E Relay 5A 24V UDH-SS124D(RoHS) P112, 175-1d02v01-e Connector 2PIN PITCH=3.96mm(RoHS) P113, 175-1d05v01-e Connector 5PIN 3.96mm (RoHS) 362-FE-00041-0LAE PCB stand 11.75*8.5*12.5H(RoHS) P107, 175-1c06v01-e Connector 6 PIN PITCH=2.5mm(RoHS) 175-1C02V01-E Connector 2PIN PITCH=2.5mm (RoHS)
  • Page 26 PS212W subwoofer Part Number Description Qty Reference Designator INPUT/PREAMP PCB C153,C154,C112,C114,C116,C118,C124,C125,C130, C232,C233,C184,C185,C145,C144,C205,C185,C145, 141-B5104Z50-E Capacitor CAP SMD 0805 Y5V0.1uF +80/-20% 50V LF C144,C205, C181,C182, 141-B7222K50-E SMD Capacitor 2.2nF ±10% 50V 0805X7R (RoHS) C110, 141-B7272K50-E SMD Capacitor0805 2700PF 50V X7R(RoHS) C120,C317, 141-B7332J50-E...
  • Page 27 PS212W subwoofer Part Number Description Qty Reference Designator CLASS D PCB ASS'Y (RECOMMENDED REPLACE ENTIRE MODULE PART# 051-A05022C-E) 118-12061001F-E SMD Resistor 1K 1206 1% (RoHS) R25, 118-12061002F-E SMD Resistor 10K 1206 1% (RoHS) R29,R30,R30B,R7,R9, 118-12061002J-E SMD Resistor 10.0K 1206 5% (RoHS)
  • Page 28 PS212W subwoofer Part Number Description Qty Reference Designator WIRELESS RECEIVER PCB R503, 118-08051200F-E SMD Resistor 120Ω 0805 1% RoHS R04,R05,R06,R07,R08,R09,R10,R11,R14,R15,R16, 118-08052002J-E SMD Resistor 20K 0805 1/10W 5%(RoHS) R17,R18,R19,R20, R504, 118-08052400F-E SMD Resistor 240Ω0805 1% ROHS R502, 118-08052703J-E SMD Resistor 270K 0805 5% (RoHS)
  • Page 29 (INSULATION SPACER)42*11 (RoHS) 193-201612TR-E NSULATION SPACER T0-220 16mm*12mm(RoHS) 236-050-05017-0BAE Fixer ABS 28*Φ12*12H 236-AL-05001-0LAE RITAINER (RoHS) 302-AL-05175-1BAE Rear panel 300*200*2.5mm PS212W/120V(RoHS) 306-ABS-05079-0BAE Rear plastic enclosure 198*298*102H (RoHS) 311-ABS-00028-0BAE Plastic knob 46077-W P.V.C.(RoHS) 323-AL-05000-0LAE Heat sink (RoHS) 325-FE-00400-0LAE PCB bracket 58*9*13.5T (RoHS)

  • Page 30: Ic/Transistor Pinouts

    PS212W subwoofer October 2004 LM5008 High Voltage (100V) Step Down Switching Regulator General Description Features n Integrated 100V, N-Channel buck switch The LM5008 Step Down Switching Regulator features all of the functions needed to implement a low cost, efficient, Buck...
  • Page 31 PS212W subwoofer Pin Description NAME DESCRIPTION APPLICATION INFORMATION Switching Node Power switching node. Connect to the output inductor, re-circulating diode, and bootstrap capacitor. Boost Pin (Boot–strap capacitor input) An external capacitor is required between the BST and the SW pins. A 0.01µF ceramic capacitor is recommended.
  • Page 32 PS212W subwoofer Philips Semiconductors Product specification 8-bit parallel-in/serial-out shift register 74HC/HCT165 When PL is HIGH, data enters the register serially at the FEATURES input and shifts one place to the right • Asynchronous 8-bit parallel load → Q → Q , etc.) with each positive-going clock...
  • Page 33 PS212W subwoofer Philips Semiconductors Product specification 8-bit parallel-in/serial-out shift register 74HC/HCT165 PIN DESCRIPTION PIN NO. SYMBOL NAME AND FUNCTION asynchronous parallel load input (active LOW) complementary output from the last stage serial output from the last stage clock input (LOW-to-HIGH edge-triggered)
  • Page 34 PS212W subwoofer Philips Semiconductors Product specification 8-bit parallel-in/serial-out shift register 74HC/HCT165 Fig.4 Functional diagram. FUNCTION TABLE OPERATING MODES INPUTS REGISTERS OUTPUTS parallel load L - L H - H ↑ serial shift ↑ hold “do nothing” Note 1. H = HIGH voltage level...
  • Page 35 PS212W subwoofer CS4340 24-Bit, 96 kHz Stereo DAC for Audio Features Description Complete Stereo DAC System: Interpolation, The CS4340 is a complete stereo digital-to-analog sys- tem including digital interpolation, fourth-order delta- D/A, Output Analog Filtering sigma digital-to-analog conversion, digital de-emphasis 101 dB Dynamic Range and switched capacitor analog filtering.
  • Page 36 PS212W subwoofer CS4340 PIN DESCRIPTION Reset MUTEC Mute Control Serial Data SDATA AOUTL Left Analog Output Serial Clock / De-emphasis SCLK/DEM1 Analog Power Left/Right Clock LRCK AGND Analog Ground Master Clock MCLK AOUTR Right Analog Output Digital Interface Format DIF1...
  • Page 37 PS212W subwoofer STM809, STM810 STM811, STM812 Reset Circuit FEATURES SUMMARY PRECISION MONITORING OF 3V, 3.3V, and Figure 1. Packages 5V SUPPLY VOLTAGES TWO OUTPUT CONFIGURATIONS – Push-pull RST Output (STM809/811) – Push-pull RST Output (STM810/812) 140ms RESET PULSE WIDTH (MIN) LOW SUPPLY CURRENT - 6µA (TYP)
  • Page 38 PS212W subwoofer STM809/810/811/812 SUMMARY DESCRIPTION The STM809/810/811/812 MICROPROCESSOR value and keeping it asserted until V has risen RESET Circuits are low-power supervisory devic- above the preset threshold for a minimum period es used to monitor power supplies. They perform of time (t ).
  • Page 39 DO4918 Squeak 1.5 WHAM2 [WH4924 – WH4931] PS212W subwoofer High–Performance 2.4 GHz Digital Wireless Audio Solution EATURES • Analog or Digital Audio Input/Output • 48 kHz, 16-bit digital, stereo audio transmission • Digital volume control, manual mute • Auto mute (when signal lost), digital noise gate •...
  • Page 40 PS212W subwoofer WHAM2 Receiver Pinout Pin# Pin Name Analog I/O Digital I/O Description Default Default RFVCC RFVCC RFVCC RF Voltage Power Input RFGND RFGND RFGND RF Ground Digital Ground Digital Power Input /RESET /RESET /RESET Reset input (active low) SPI0 Chip Select (CS0) PB1...
  • Page 41 PS212W subwoofer 1.4 A DVANCED INOUT ONFIGURATION The WHAM2 pinout can be configured differently than above for certain applications. This customization can be performed at the time of production or during product assembly. The following two diagrams and two tables describe how to configure the WHAM2 for different operations by changing jumpers and components on the modules themselves.
  • Page 42 PS212W subwoofer WHAM2 RX Jumpers and Options Jumpers/ WH4925/29 WH4927/31 Pin Name Components Pin Function Default config. Default config. Edge pin-16 J3 = 0R Pin 16 is GPIO port pin PC0 J4 = DNP (FW configurable as input or output.)
  • Page 43 PS212W subwoofer...

  • Page 44: Schematics

    PS212W subwoofer D401 LED_5DIA Green...
  • Page 45 PS212W subwoofer U106:D U106:C TL074 TL074 U106:B TL074 U106:A TL074 U106:E P106 U106:F...
  • Page 46 PS212W subwoofer U105:D U105:C U105:A U105:B TL072 TL072...
  • Page 47 PS212W subwoofer U108:A TL-072 U102:C U102:D U101:A TL074 TL074 TL-072 U101:B TL-072 U103:A TL-072 U102:A U103:B TL074 U102:B TL-072 TL074 U108:C U101:C U102:E U103:C U108:B TL-072 U101:D U102:F U103:D U108:D...
  • Page 48 PS212W subwoofer C318 100P R317 U109:B R319 TL-072 C311 U109:C R332 220R C327 C320 R320 R330 100u C332 104z R321 100P C328 C312 C322 C319 100u U109:D 104z R333 100P 220R R316 R318 C310 R314 R300 100R C304 U109:A R331...
  • Page 49 PS212W subwoofer...
  • Page 50 PS212W subwoofer L501 R505 U501 C506 C507 C503 C505 L502 D501 220u 10R-1/4W-MO LM5008 470u .1/100V 10BQ100 C501 C508 R503 R501 47u/100V 120R-1% 330K 470u C104 100n P501 R504 240R-1% R502 270K P502...
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