Infinity 610a Service Manual
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Infinity 610a Service Manual

1 channel power amplifier
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Reference Series
610a
611a

1 CHANNEL POWER AMPLIFIER

SERVICE MANUAL

Infinity Systems, Inc.
250 Crossways Park Dr.
Woodbury, New York 11797
Rev2aa10/2005

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Summary of Contents for Infinity 610a

  • Page 1: Channel Power Amplifier

    Reference Series 610a 611a 1 CHANNEL POWER AMPLIFIER SERVICE MANUAL Infinity Systems, Inc. 250 Crossways Park Dr. Woodbury, New York 11797 Rev2aa10/2005...

  • Page 2: Table Of Contents

    (305mm x 381mm x 68mm) Fuses: 30A x 2 Infinity continually strives to update and improve existing products, as well as create new ones. The specifications and details in this and related JBL publications are therefore subject to change without notice.

  • Page 3: Features/Test Conditions

    Reference 610a/611a Power Amplifier...

  • Page 4: Controls/Connections

    Reference 610a/611a Power Amplifier OWER ONNECTIONS WIRE-GAUGE CHART The Reference amplifiers are capable of Amplifier Maximum Minimum delivering high power levels, and require a Model Current Draw Wire Gauge reliable connection to the vehicle’s electrical system in order to perform optimally. See...
  • Page 5 Reference 610a/611a Power Amplifier – 610a/611a PPLICATIONS The Reference subwoofer amplifiers are single-channel amplifiers. There are two sets of terminals to make it easy to connect multiple woofers. Either set of (+/–) terminals may be used when connecting woofers. To the right are two application diagrams to help plan your subwoofer system installation.

  • Page 6: Installation

    Reference 610a/611a Power Amplifier NSTALLATION AND ETUP SETTING INPUT SENSITIVITY REMOTE LEVEL CONTROL (OPTIONAL) All three Reference subwoofer amplifiers and 1. Initially turn the INPUT LEVEL control(s) to the 5760a amplifier have inputs for an optional minimum (counterclockwise). remote level control (100rc). This will allow the 2.
  • Page 7 Reference 610a/611a Power Amplifier NSTALLATION AND ETUP CONT SETTING DBO ™ STATUS LEDs The Dynamic Bass Optimizer (DBO) is used to Clip: Indicates the amplifier is being overdriven, enhance low-frequency reproduction in a vehicle. and your speakers may be in danger. This...

  • Page 8: Basic Troubleshooting

    Reference 610a/611a Power Amplifier ROUBLESHOOTING • PROBLEM: • PROBLEM: No audio (POWER LED is off). No audio (PROTECT LED is on). CAUSE and SOLUTION: CAUSE and SOLUTION: No voltage at BATT+ and/or REM terminals, or Voltage greater than 16V or less than 8.5V on bad or no ground connection.

  • Page 9: Typical System Wiring

    Reference 610a/611a Power Amplifier...

  • Page 10: Exploded View/Parts List

    Reference 610a/611a EXPLODED VIEW...

  • Page 11: Mechanical Parts List

    Reference 610a/611a Power Amplifier Mechanical Parts List...

  • Page 12: Amplifier Block Diagram

    Reference 610a/611a Power Amplifier REF 610a/611a BLOCK DIAGRAM...

  • Page 13: Drawings

    Reference 610a/611a Power Amplifier...
  • Page 14 Reference 610a/611a Power Amplifier...
  • Page 15 Reference 610a/611a Power Amplifier...
  • Page 16 Reference 610a/611a Power Amplifier...

  • Page 17: Electrical Parts List

    Reference 610a/611a Power Amplifier Electrical Parts List IC0-00-00098 SHUNT REGULATOR KIA431/KIA431A U505 DIO-00-00108 DIODE FAST RECOVERY FR154 D71,72,73,81,82,83 DIO-00-00003 DIODE RECTIFIER 1N4004 D1,260 DIO-00-00041 DIODE ZENER 0.5W,12V 1N5242 D201,202,301,302,401 DIO-00-00006 DIODE SWITCHING SIGNAL 1SS133 / 1N4148 D169,402,403,404,405,406,407,408,421,422 15 D501,502,503,504,505 TRS-00-00087 TRANSISTOR SMALL SIGNAL PNP "TO-92L"...
  • Page 18 Reference 610a/611a Power Amplifier Electrical Parts List cont'd RES-00-00018 RESISTOR METAL FILM 1/2WJ 10 OHM R220,221,222,228,229,320,321,322,328,329 10 RES-00-00040 RESISTOR METAL FILM 1/2WJ 22 OHM R550,557 IND-00-00020 INDUCTOR COIL AXIAL 5% 100uH L501 CEC-00-00007 CAPACITOR CERAMIC TUBULAR 50V 10pF C105,106 CEC-00-00020...
  • Page 19 Reference 610a/611a Power Amplifier Electrical Parts List cont'd RES-00-01239 RESISTOR 2.2K OHM R285,385 MOR-S 1WJ RES-00-01112 RESISTOR 2.2 OHM R253 MOR-S 2WJ RES-00-01067 RESISTOR 10 OHM R71,81 MOR-S 2WJ RES-00-01222 RESISTOR 47 OHM R242,342 MOR-S 2WJ RES-00-00844 RESISTOR 100 OHM...
  • Page 20 Reference 610a/611a Power Amplifier Electrical Parts List cont'd RES-12-00243 RESISTOR SMD "0805"1/10WF 8.2K OHM RES-08-00035 RESISTOR SMD "0805"1/10WF 20K OHM RES-08-00048 RESISTOR SMD "0805"1/10WF 27K OHM RES-08-00245 RESISTOR SMD "0805"1/10WF 51K OHM RES-08-00100 RESISTOR SMD "0805"1/10WF 56K OHM RES-08-00249 RESISTOR SMD "0805"1/10WF...
  • Page 21 Power Amplifier Reference 610a/611a Reference 611a Electrical Parts List Addendum The following chart below represents the only electrical parts differences in 610a and 611a models: MODEL PART NAME PART NUMBER SPEC DESIGNATOR REF 610a RESISTOR RES-00-00586 1/5WF 820 OHM R116...

  • Page 22: Ref 611A Electrical Parts List Addendum Ic/Transistor Pinouts

    Reference 610a/611a Power Amplifier...
  • Page 23 Reference 610a/611a Power Amplifier...
  • Page 24 Reference 610a/611a Power Amplifier...
  • Page 25 Reference 610a/611a Power Amplifier...
  • Page 26 Reference 610a/611a Power Amplifier...
  • Page 27 Reference 610a/611a Power Amplifier...

  • Page 31: Ref 611A Schematics

    Reference 611a Power Amplifier REF 611a SCHEMATIC PAGE 1...
  • Page 32 Reference 611a Power Amplifier REF 611a SCHEMATIC PAGE 2...
  • Page 33 Reference 611a Power Amplifier REF 611a SCHEMATIC PAGE 3...

  • Page 34: Packing

    Reference 610a/611a PACKING EXPLODED VIEW...

This manual is also suitable for:

611a

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