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JBL ARC SUB10 User Manual

JBL ARC SUB10
24 pages
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JBL Consumer Products Inc.
250 Crossways Park Drive
Woodbury, N.Y. 11797
1-800-336-4JBL in the USA
A Harman International Company
Rev A 10/2000
ARC SUB10/DS-10
Powered Subwoofer
SERVICE MANUAL

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JBL ARC SUB10 Specifications

Power IconPower
amplifier power100 watts
Driver IconDriver
driver size10 inches
Inputs and Outputs IconInputs and Outputs
inputsLine- and high-level
outputsHigh-level with high-pass filter at 180Hz
Frequency IconFrequency
crossover frequency50Hz – 150Hz
frequency response35Hz – 150Hz
Weight and Dimensions IconWeight and Dimensions
dimensions11-1/2 x 17-1/8 x 16-1/2 inches
dimensions metric292 x 435 x 419mm
weight27 lbs/12.3 kg

Summary

SAFETY INFORMATION

Warning

General warning about hazardous voltages and risk of electric shock during service.

Caution

Unit has no power switch; hazardous voltages are present when plugged in.

Leakage/Resistance Check

Procedures for testing leakage current and resistance before returning unit to customer.

Critical Components

Importance of replacing components marked with IEC symbol with exact replacements.

GENERAL SPECIFICATIONS

Amplifier Power

Specifies the RMS output power of the subwoofer amplifier.

Driver 10"

Details the type and material of the 10-inch driver used in the subwoofer.

Inputs

Lists the types of audio inputs supported by the subwoofer.

Outputs

Specifies the available output connections from the subwoofer.

High-Pass Frequency

Indicates the setting for the high-pass filter when using speaker-level inputs.

Frequency Response

Defines the range of audible frequencies the subwoofer can reproduce.

Dimensions

Provides the physical height, width, and depth of the subwoofer.

Weight

States the weight of the subwoofer unit.

DETAILED SPECIFICATIONS

LINE VOLTAGE

Specifies the operating voltage ranges for US and EU models.

Amp Section

Details amplifier type, THD, damping factor, and output power characteristics.

Input Sensitivity

Defines the signal levels required for optimal input response.

Signal to Noise

Lists SNR measurements for various weighting types.

Input Impedance

Specifies the impedance of the line and speaker level inputs.

Filters

Details specifications for the speaker low-pass and subsonic filters.

Limiter

Features

Input Configuration

Signal Sensing (ATO)

Transients/Pops

Efficiency

Protection

Line Fuse Rating

ARC SUB10/DS-10 CONTROLS AND THEIR FUNCTION

Volume Control

Adjusts the subwoofer's volume relative to the system.

Power LED

Indicates unit status: RED for standby, GREEN for signal present.

Crossover Frequency

Sets the highest frequency the subwoofer reproduces for seamless transition.

Low Level Input Jacks

Connects to receiver/processor pre-amp or subwoofer out jacks.

High Level Inputs

Connects to main speaker outputs for receivers without pre-amp out.

CAUTIONS AND WARNINGS

Voltage Correspondence

Ensure rated voltage matches AC source to prevent damage.

Troubleshooting Before Opening

External checks, control settings, and driver inspection before disassembly.

Removing the Amplifier

Step-by-step guide to safely remove the amplifier assembly from the cabinet.

Troubleshooting After Removal

Checks for blown fuses, capacitor bulges, shorts, and component continuity.

Reassembly

ARC SUB10/DS-10 BLOCK DIAGRAM

SPEAKER CONNECTIONS

Line Level Connections

Guide for connecting the subwoofer using line-level RCA inputs.

Speaker Level Connections

Guide for connecting the subwoofer using speaker-level inputs.

TROUBLESHOOTING

No Sound (High-Level Inputs)

Steps to diagnose no sound when using speaker-level inputs.

Low Bass Output

Tips for addressing issues with reduced bass output.

No Sound (Line-Level Inputs)

Steps to diagnose no sound when using line-level inputs.

ARC SUB10 / DS-10 TEST SET UP AND PROCEDURE

General Function Test

Procedure for basic functional testing using signal generators.

Sweep Function Test

Testing the unit's response using a sweep generator for noise detection.

Driver Function Test

Procedure for testing the driver's resistance and mechanical integrity.

ARC SUB10 / DS-10 POWER AMP MODULE TESTING FLOW CHART

SERVICE BULLETIN JBL9903 - APRIL 1999

Subject: Check Solder Joints

Addresses performance issues caused by cold solder connections on the power amp module.

Failure Symptoms

Specific complaints like 'Dead, No Output, or Motorboating' requiring solder joint checks.

SERVICE BULLETIN JBL2000-01 - JANUARY 2000

Subject: Failure of C6

Details failure of capacitor C6 and its recommended replacement part.

Associated Complaint

Complaint of 'no output' linked to capacitor C6 damage.

TROUBLESHOOTING TIPS AND SOLUTIONS TO COMMON SERVICE PROBLEMS

Front Panel Component Service

Guide on replacing front panel components, addressing the sealed cover.

Probable Cause

Explains the sealed cover protecting air-tight integrity as a factor.

Service Solution Steps

Detailed steps for accessing and servicing front panel components.

CABINET EXPLODED VIEWS

ARC SUB10 Cabinet Exploded View

Diagram showing the assembly of the ARC SUB10 cabinet and its parts.

DS-10 Cabinet Exploded View

Diagram showing the assembly of the DS-10 cabinet and its parts.

AMPLIFIER EXPLODED VEIW

ARC SUB10/DS-10 PACKING EXPLODED VIEWS

DS-10 Packing

Exploded view illustrating the packaging materials for the DS-10 model.

ARC SUB10 Packing

Exploded view illustrating the packaging materials for the ARC SUB10 model.

ARC SUB10 Version 5 PCB

PLAIN 5 - Component Side Trace

Diagram of the component layout on the PLAIN 5 PCB.

PLAIN 5 - Solder Side Trace

Diagram of the solder side trace layout on the PLAIN 5 PCB.

ARC SUB10/DS-10 Version 5.1 PCB

PLAIN 5.1 - Component Side Trace

Diagram of the component layout on the PLAIN 5.1 PCB.

PLAIN 5.1 - Solder Side Trace

Diagram of the solder side trace layout on the PLAIN 5.1 PCB.

ARC SUB10-DS-10 ELECTRICAL PARTS LIST

ARC SUB10/DS-10 INTEGRATED CIRCUITS & TRANSISTORS

Power Amp Module Installation

Procedures and safety notes for installing the S53AMI/S64AMI Power Amp module.

U1 - LM324 Quad Op Amp Pinout

Pin configuration details for the LM324 Quad Op Amp integrated circuit.

Transistor Pinouts

Pin diagrams for various transistors used in the amplifier module.

ARC SUB10/DS-10 SCHEMATIC

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