JBL PSW-D115 Service Manual

JBL PSW-D115 Service Manual

Powered subwoofer

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PSW-D115
Powered Subwoofer
SERVICE MANUAL
JBL Consumer Products Inc.
250 Crossways Park Drive
Woodbury, N.Y. 11797
1-800-336-4JBL in the USA
A Harman International Company
Rev C 11/2000

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Summary of Contents for JBL PSW-D115

  • Page 1 PSW-D115 Powered Subwoofer SERVICE MANUAL JBL Consumer Products Inc. 250 Crossways Park Drive Woodbury, N.Y. 11797 1-800-336-4JBL in the USA A Harman International Company Rev C 11/2000...
  • Page 2: Safety Information

    Amplifier/Subwoofer PSW-D115 SAFETY INFORMATION Warning List of Safety Components Requiring Exact Replacements Any person performing service of this unit will be exposed to hazardous voltages and the risk of electric shock. It is all parts POWER AMP PCB except TR2...
  • Page 3: Table Of Contents

    GENERAL SPECIFICATIONS ........3 PSW-D115 MECHANICAL PARTS LIST ....16 PSW-D115 DETAILED SPECIFICATIONS ....4 PACKING EXPLODED VIEWS........17 PSW-D115 CONTROLS AND THEIR FUNCTION ..6 PSW-D115 Version 3.21 PCB (Component Side) ..18 OPERATION..............7 PSW-D115 Version 3.21 PCB (Solder Side) ....19 SPEAKER CONNECTIONS...........8 PSW-D115 ELECTRICAL PARTS LIST......20 TROUBLESHOOTING ..........10...
  • Page 4: Psw-D115 Detailed Specifications

    Amplifier/Subwoofer PSW-D115 PSW-D115 DETAILED SPECIFICATIONS Hi/Lo Test LINE VOLTAGE Yes/No Nom. Unit Notes Line Limits 108-13 US 120vac/60Hz 108-132 Vrms Normal Operation Specifi- Test Parameter Unit Nom. Conditions Notes cation Limits Amp Section Class D Type (Class AB, D, Preferred...Sink...
  • Page 5 Amplifier/Subwoofer PSW-D115 Amplitude/Frequency ±2dB Limiter (yes/no) THD at Max. Output function Maximum Output Maximum THD as a Power al ck. Power result of limiting. Features function Phase Switch (yes/no) — al ck. Volume pot Taper function LOG type rear panel —...
  • Page 6: Psw-D115 Controls And Their Function

    8. Line Input - Main Input connection to subwoofer (preferred). High Pass 9. Direct In - If you will be connecting the PSW-D115 to a receiver/processor containing a Dolby Digital or DTS surround technology, use this single RCA connection. See the owner's manual for complete instructions.
  • Page 7: Operation

    Amplifier/Subwoofer PSW-D115 OPERATION Crossover Adjustments Phase High-Pass Control Phase Control If you hooked up your subwoofer as shown in Speaker The Phase Control determines whether the subwoofer Connection 4 on page 9. you also have the capability of speaker’s piston-like action moves in and out with the main adjusting the high-pass frequency.
  • Page 8: Speaker Connections

    “ Y ” - c o n n e c t o r i n t o t h e Pass receiver/amplifier, and connect each of the 2 female connectors to an RCA-type interconnect cable. Then Pass connect the 2 interconnect cables to the Left and Right line-level inputs on the PSW-D115. RIGHT LEFT LOUDSPEAKER LOUDSPEAKER...
  • Page 9 This method of hookup can offer the highest Phase level of performance for your complete CENTER loudspeaker system. The PSW-D115 incorporates a variable high-pass crossover RIGHT in addition to a variable low-pass crossover. When hooked up as shown, the subwoofer...
  • Page 10: Troubleshooting

    Amplifier/Subwoofer PSW-D115 TROUBLESHOOTING If you used the high-level (speaker) inputs and If you used the line-level inputs and there is no there is no sound from any of the speakers, check sound from the subwoofer, check the following: the following: Receiver/amplifier is on and a source is playing.
  • Page 11: Service Bulletin Jbl9903 - April 1999

    In the event you receive a PSW-D115 Subwoofer with the complaints “Dead, or No Output, or Motorboating (Oscillation)”, perform the steps listed below first before any further troubleshooting takes place: Unplug all cables, lay the subwoofer on a padded surface.
  • Page 12: Psw-D115 Test Set Up And Procedure

    NOTE: When testing the PSW-D115 amplifier, a load must always be connected to the output terminals, whether the woofer, or a 4 to 8 ohm resistive load.
  • Page 13: Psw-D115 Power Amp Module Testing Flow Chart

    Amplifier/Subwoofer PSW-D115 PSW-D115 POWER AMP MODULE TESTING FLOW CHART START Check V+, V-, +/-15V voltage to Resistance module check Check between V+ transformer, V- and O/P CMC, O/P to GND rectifier, C1, should > 5K C2, D9, D10, R16, R17...
  • Page 14: Cabinet Exploded Views

    Amplifier/Subwoofer PSW-D115 CABINET EXPLODED VIEWS PSW-D115 CABINET ASSEMBLY GRILLE with LOGO #200910 SCREWS (8) 15" WOOFER #200900 VOLUME KNOB #70313 VIDEO CONT. BUTTON #70314 VIDEO CONT. GRILLE SOCKETS SWITCH #200790 #70152 CABINET NOT FOR SALE FEET AMPLIFIER #200582 ASSEMBLY #200950...
  • Page 15: Amplifier Exploded View

    Amplifier/Subwoofer PSW-D115 AMPLIFIER EXPLODED VIEW...
  • Page 16: Psw-D115 Mechanical Parts List

    250V, 3.0A, T type SLO BLO fuse Safety part 80118 Preamp board, PSW-D115 Safety part 80119 Power amp board PSW-D115 Safety part 80120 High level input PCB PSW-D115 Safety part 108116 High level 5way binding post(pr) 108322 Six line RCA input jack 108323...
  • Page 17: Packing Exploded Views

    Amplifier/Subwoofer PSW-D115 PACKING EXPLODED VIEWS WARRANTY CARD #331993-001 OWNER'S MANUAL #200930 (120V) STYROFOAM STICKS (4) #200923 TOP FOAM PAD #200922 PSW-D115 PLASTIC BAG BOTTOM FOAM PAD #200921 CARTON #200920...
  • Page 18: Psw-D115 Version 3.21 Pcb (Component Side)

    Amplifier/Subwoofer PSW-D115 PSW-D115 Version 3.21 PCB (Component Side)
  • Page 19: Psw-D115 Version 3.21 Pcb (Solder Side)

    Amplifier/Subwoofer PSW-D115 PSW-D115 Version 3.21 PCB (Solder Side)
  • Page 20: Psw-D115 Electrical Parts List

    Amplifier/Subwoofer PSW-D115 PSW-D115 ELECTRICAL PARTS LIST Ref. # Part Number Description Ref. # Part Number Description Jumper Preamp Board Rev 8 30508 10nF 50V 10% Mono-ceramic axial Safety Crossover 40436 20kW 0.25W 10% Quad Lin Pot C20, 21, 22, 23...
  • Page 21 80100 mc4438 Safety part 80121 mc4642 Safety part L2, L3, L4 80122 Ferrite Bead PSW-D115 High Level Input/Output Board R1 L, R1 C 40406 100kW 0.25W 5% carbon film R1 R, R3 L, R3 C, R3 R R2 L, R2 C, 40405 4.7kW...
  • Page 22: Psw-D115 Integrated Circuits

    Amplifier/Subwoofer PSW-D115 PSW-D115 INTEGRATED CIRCUITS S53AMI/S64AMI - Power Amp module SAFETY PART NOTE: THE FOLLOWING PROCEDURES MUST BE FOLLOWED WHEN INSTALLING NEW S53AMI/S64AMI AMP MODULES: FAILURE TO FOLLOW ONE OR MORE OF THESE STEPS MAY RESULT IN THE INSTANT DESTRUCTION OF THE MODULE WHEN POWERED UP.
  • Page 23: Psw-D115 Schematic 1 Of 3

    Amplifier/Subwoofer PSW-D115 PSW-D115 SCHEMATIC 1 of 3...
  • Page 24: Psw-D115 Schematic 2 Of 3

    Amplifier/Subwoofer PSW-D115 PSW-D115 SCHEMATIC 2 of 3 PWS-D115 Schematic 2 of 3...
  • Page 25: Psw-D115 Schematic 3 Of 3

    Amplifier/Subwoofer PSW-D115 PSW-D115 SCHEMATIC 3 of 3...

Table of Contents