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Each precaution in this manual should be followed during servicing.

Components identified with the IEC symbol

in the parts list are special significance to safety. When replacing a component identified with

, use only the replacement parts designated, or parts with the same ratings or resistance, wattage, or voltage that are designated in the

parts list in this manual. Leakage-current or resistance measurements must be made to determine that exposed parts are acceptably

insulated from the supply circuit before retuming the product to the customer.

Some semiconductor (solid state) devices can be damaged easily by static electricity. Such components commonly are called

Electrostatically Sensitive (ES) Devices. Examples of typical ES devices are integrated circuits and some field effect transistors and

semiconductor "chip" components.

The following techniques should be used to help reduce the incidence of component damage caused by static electricity.

1. Immediately before handling any semiconductor component or semiconductor-equipped assembly, drain off any electrostatic charge on

your body by touching a known earth ground. Alternatively, obtain and wear a commercially available discharging wrist strap device,

which should be removed for potential shock reasons prior to applying power to the unit under test.

2. After removing an electrical assembly equipped with ES devices, place the assembly on a conductive surface such as aluminum foil, to

prevent electrostatic charge build-up or exposure of the assembly.

3. Use only a grounded-tip soldering iron to solder or unsolder ES devices.

4. Use only an anti-static solder removal device. Some solder removal devices not classified as "anti-static" can generate electrical charges

sufficient to damage ES devices.

5. Do not use freon-propelled chemicals. These can generate electrical change sufficient to damage ES devices.

6. Do not remove a replacement ES device from its protective package until immediately before you are ready to install it. (Most replacement

ES devices are packaged with leads electrically shorted together by conductive foam, aluminum foil or comparable conductive material.)

7. Immediately before removing the protective material from the leads of a replacement ES device, touch the protective material to the

chassis or circuit assembly into which the device will be installed.

Be sure no power is applied to the chassis or circuit, and observe all other safety precautions.

8. Minimize bodily motions when handling unpackaged replacement ES devices. (Otherwise harmless motion such as the brushing together

or your clothes fabric or the lifting of your foot from a carpeted floor can generate static electricity sufficient to damage an ES devices.

CAUTION :

Summary of Contents for JBL Stage A3001

Page 1: ... 2019 Ver 1 0 Safety Instruction Warning Notes Specifications Set Block Diagram Schematic Diagrams Layout Diagrams Set Mechanical Exploded View Packaging View Spare Parts List Revision List CONT CONTENTS ENTS 2 5 8 9 12 14 15 16 17 ...

Page 2: ... Statement and Warning Canada Only This Class B digital apparatus complies with Canadian ICES 003 Cet appareil numérique de la classe B est conforme à la norme NMB 003 du Canada For Canadian Model This Class B digital apparatus complies with Canadian ICES 003 Modèle pour les Canadien Cet appareil numérique de la classe B est conforme à la norme NMB 003 du Canada For Products with Radio Receivers T...

Page 3: ...reasons prior to applying power to the unit under test 2 After removing an electrical assembly equipped with ES devices place the assembly on a conductive surface such as aluminum foil to prevent electrostatic charge build up or exposure of the assembly 3 Use only a grounded tip soldering iron to solder or unsolder ES devices 4 Use only an anti static solder removal device Some solder removal devi...

Page 4: ...rewheads metal overlays control shaft etc Plug the AC line cord of the appliance directly into a 120V AC 60Hz outlet and turn the AC power switch on Any current measured must not exceed o 5mA ANY MEASUREMENTS NOT WITHIN THE LIMITS OUTLINED ABOVE ARE INDICATIVE OF A POTENTIAL SHOCK HAZARD AND MUST BE CORRECTED BEFORE RETURNING THE APPLIANCE TO THE CUSTOMER Device under test Test all exposed metal s...

Page 5: ...ge and subwoofer applications For more than four decades JBL has made the audio experience a lot more satisfying for the car audio enthusiast With a broad array of loudspeakers amplifiers and subwoofers available you can drive with ease and exhilaration These compact amps are equipped with all the important inputs and user controls including a bass EQ as well as LPF and HPF crossover controls for ...

Page 6: ...ow level inputs are used this control adjusts the input sensitivity between 200mVrms and 5 0Vrms When High level inputs are used this control adjusts the input sensitivity between 0 5Vrms and 15Vrms Switchable bass EQ This provides an available bass boost at 45Hz of 6dB or 12dB serving as a great tool to optimize subwoofer and loudspeaker performance based on location and enclosure type Cool indus...

Page 7: ... ohms 70W RMS bridged power 4 ohms 140W Total peak power 560W Frequency response 20Hz 20kHz 1dB THD N at rated power 20Hz 20kHz 1 Line in signal to noise ratio reference to 1 watt 75dB Maximum high input signal level 12V High input maximum sensitivity 0 5V Maximum line input signal level 5V Line input maximum sensitivity 0 2V Quiescent current draw 1 2A Fuse size 2 x 15A Dimensions H x W x L 50 x ...

Page 8: ...SET BLOCK DIAGRAM ...

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Page 14: ... 0 1 2 8 4 5 0 2 0 6 0 0 1 11 9006095002006 INSULATION TAPE W O GLUE A6002 6002A 1 12 20M0070000002 DEPRESSION BAR 38MM A6002 6002A 1 13 20M0070000001 DEPRESSION BAR 28MM A6002 6002A 1 15 20M0070000003 DEPRESSION BAR 21MM A6002 6002A 1 17 9006095002004 INSULATION TAPE W GLUE A6002 6002A 1 ...

Page 15: ...PACKAGING INSTRUCTIONS ...

Page 16: ...D BLU 3P A6002 6002A A9004 9004A 1 Q11 Q12 Stage A6002 Primus 6002a 10T0RF3205001 MOS TUBE IRF3205 A6002 6002A A9004 9004A 2 SW1 Stage A6002 Primus 6002a 10K0010000002 SWITCH 2P3T L8MM A6002 6002A A9004 9004A 1 TR1 Stage A6002 Primus 6002a 10R4501000002 NTC THERMISTOR 10K A6002 6002A A9004 9004A 1 U1 Stage A6002 Primus 6002a 10I0DA8920001 IC TDA8920CTH AMP A6002 6002A 1 U2 Stage A6002 Primus 6002a...

Page 17: ...Revision List Version 1 0 Initial release for JBL Stage A6002 2019 1 ...

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