PLC Series

Power Supply Restoration Kit

CX, DCA, PLX, and PL2 Series amplifiers

Thank you for purchasing the PLC Series Power Supply Restoration Kit. In this kit you will find an assortment of parts that represent materials most often needed for restoring a faulty power supply.* This kit is not intended for use with a more extensive failure.

WARNING: This parts kit is to be installed into a QSC amplifier by qualified service personnel only. Attempting to service a QSC amplifier without the proper qualifications and equipment can be hazardous and could damage a unit under repair. Please refer to the warnings below as shown in the amplifier owner’s manual.

CAUTION: To reduce the risk of electric shock, do not remove the cover. No user-serviceable parts inside. Refer servicing to qualified personnel.

WARNING: To prevent fire of electric shock, do not expose this equipment to rain or moisture.

The PLC Power Supply Restoration Kit (QSC part # SG-000060-00) contains the following:

Part Number

Description

Reference

Qty.

QD-000169-00

XISTOR IGBT TO-247AC 600V 55A

Q96 & 97

2

QD-000042-00

DIODE RECT ULTRAFAST 400V 3A

D70 & 71

2

QD-000108-30

DIODE SMT SWITCH 200V .2A 50NS

D78 & 79

2

QD-000113-30

DIODE ZNR 10V 5%

D66

1

RE-001003-30

RESISTOR SMT 10 OHM 1% 1206

R358 & 359

2

RE-003921-30

RESISTOR SMT 39.2 OHM 1%

R349

1

RE-000210-NR

THERMISTOR NTC 15A

R324

1

IC-000134-00

IC CMOS HV DRVR IR2110

U18

1

IC-000024-00

IC REG PWM 40V 0.1A SG3525A

U19

1

IC-000053-30

IC LIN SMT DUAL TIMER LM556

U14

1

IC-000054-30

IC LIN SMT QUAD COMP LM339AM

U13

1

NA

Technical Support CD

NA

1

These parts have been selected for optimum performance. Substitutes may not work. Using these parts and following the schematics enclosed will ensure a proper update.

SG-000060-00, Rev. A

*Additional components that might be problematic:

XF-000064-00 Housekeeping Transformer T1 IC-000135-00 Top 210 chip U16 QD-000115-30 MURS160T3 Diode D60

QD-000102-30 1N4148 SMT 75V 75M D63-65,D67

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QSC Audio CX owner manual PLC Series Power Supply Restoration Kit, Part Number Description Reference Qty

CX specifications

QSC Audio, a renowned name in the professional audio industry, has made significant strides with its CX Series of amplifiers. The QSC CX series has been designed primarily for installations, embodying a blend of power, reliability, and advanced technology. These amplifiers are a top choice for many applications, including cinemas, auditoriums, and corporate environments.

One of the standout features of the CX series is its power output, which ranges from 200 watts to 8,000 watts. This extensive range ensures that there is a suitable model for any size installation, providing flexibility for a wide array of sound reinforcement needs. The amplifiers are designed to drive both low-impedance and high-impedance speakers, making them versatile enough to handle various setups.

The CX series incorporates QSC’s renowned PowerLight technology, which allows for high efficiency while maintaining sound quality. This technology ensures that the amplifiers can deliver maximum power with minimal heat generation, leading to improved performance and extended operational life. The lightweight design further enhances the unit's applicability in various settings, as it can be easily transported and installed.

Another significant characteristic of the QSC CX series is its advanced DSP capabilities. The built-in digital signal processing allows users to tailor the audio output precisely to their specific requirements. Features such as equalization, crossover points, and delay can be adjusted through the intuitive user interface, ensuring optimal performance in any acoustic environment.

Reliability is a cornerstone of the QSC CX series. The amplifiers are built with robust components and undergo rigorous testing to ensure they can withstand the rigors of continuous operation. Additionally, QSC’s proprietary Intelligent Device Management (IDM) provides real-time monitoring and analysis of operational parameters, helping to protect the amp from overheating and other potential issues.

Furthermore, the CX series is compatible with QSC's Q-SYS platform, allowing for seamless integration into larger audio networks. This capability enables control and monitoring of multiple amplifiers from a single interface, simplifying management and enhancing workflow efficiency.

In summary, the QSC CX series amplifiers present a powerful and versatile solution for professional audio applications. With their robust power output, advanced DSP features, and proven reliability, these amplifiers continue to set a standard in the industry, meeting the demands of today's sound reinforcement needs while looking ahead to future applications.