Crown Audio 2400 service manual Switches, Test Points

Page 24

Micro-Tech 2400 Amplifier Service Manual

Q43328-6 Main Module Parts List Cont. (D8679-9 Board)

R153

R253

A10124-24

JUMPER

R154

R254

A10266-5601

56

R155

R255

A10266-1321

1.3K

R156

R256

A10266-1321

1.3K

R157

R257

A10266-1321

1.3K

R158

R258

A10265-11321

11.3K

R159

R259

A10265-10011

1K 1%

R160

R260

A10266-5601

56

R161

R261

A10266-4701

47

R162

R262

A10266-4701

47

R163

R263

A10266-5601

56

R164

R264

A10266-4711

470

R165

R265

A10266-4711

470

R166

R266

A10266-4711

470

R167

R267

A10265-10011

1K 1%

R168

R268

A10265-10011

1K 1%

R170

R270

A10265-10011

1K 1%

R171

R271

A10265-10011

1K 1%

R173

R273

A10266-5601

56

R174

R274

A10265-24921

24.9K 1%

R175

R275

A10265-78711

7.87K 1%

R176

R276

A10265-24921

24.9K 1%

R177

R277

A10265-19121

19.1K 1%

R179

R279

A10266-1321

1.3K

R180

R280

A10266-4711

470

R181

R281

A10266-4721

4.7K

R182

R282

A10266-2201

22

R184

R284

A10266-4741

470K

R186

R286

A10266-2751

2.7M

R187

R287

A10266-3321

3.3K

R188

R288

A10266-3321

3.3K

R189

R289

A10266-2731

27K

R190

R290

A10266-2051

2M

R193

R293

A10265-10021

10K 1%

R194

R294

A10265-10031

100K 1%

R195

R295

A10266-3021

3K

R196

R296

A10266-4721

4.7K

R197

R297

A10265-10021

10K 1%

R198

R298

A10266-4721

4.7K

R199

R299

A10265-10021

10K 1%

R300

R400

A10265-10031

100K 1%

R301

R401

A10265-10031

100K 1%

R911

R1011

A10266-1521

1.5K

R912

R1012

A10266-4711

470

R913

R1013

A10265-10031

100K 1%

R914

R1014

A10266-5141

510K

R915

R1015

A10266-2201

22

R916

R1016

A10266-2201

22

R917

R1017

A10266-10021

10K

R918

R1018

A10266-10021

10K

R919

R1019

A10266-10021

10K

R920

R1020

A10266-10021

10K

R921

R1021

C 9079-2

200 Pot

R922

R1022

A10265-68101

681 1%

R923

R1023

A10265-35711

3.57K 1%

R924

R1024

A10265-60401

604 1%

R925

R1025

A10265-10031

100K 1%

R926

R1026

A10265-60401

604 1%

R927

R1027

A10265-10031

100K 1%

R928

R1028

A10265-35711

3.57K 1%

R929

R1029

A10266-1241

120K

R930

R1030

A10266-1241

120K

R931

R1031

A10266-3921

3.9K

R932

R1032

A10265-10021

10K 1%

R933

R1033

A10266-4731

47K

R934

R1034

A10265-10021

10K 1%

R935

R1035

A10266-4731

47K

R936

R1036

A10265-10021

10K 1%

R937

R1037

A10265-10021

10K 1%

R938

R1038

A10265-10021

10K 1%

R939

R1039

A10266-4731

47K

R940

R1040

A10266-4731

47K

R941

R1041

A10266-4731

47K

R942

R1042

A10266-4731

47K

SWITCHES

S2

C 7325-1

Ground Lift

S3

C 7960-5

Sensitivity

S4

C 6781-6

Stereo/Mon

TEST POINTS

TP1 TP2 C 6564-6HDR

INTEGRATED CIRCUITS

U1

 

C 5095-2

UA7815

U2

 

C 5096-0

UA7915

U100

U200

C 6911-9

UPA75

U101

U201

C 6411-0

H11C2

U102

U202

C 4345-2

LM339

U103

U203

C 6910-1

UPA76

U104

U204

C 7558-7

MC33079P

MISC.

Board

D 8679-9

 

Socket

C 3450-1

14 Pin (4)

U1X, U2X

C 9494-3

Heatsinks

HW1-4

C 8812-7

5.5" Cbl Tie

HW5-9

C 9944-7

Nyl. Spacer

J1

C 7593-4

5 Pin HDR

J2

C 4508-5

16 Pin

J11

C 7526-4

3 Pin HDR

J100 J200

C 6777-4

Ph Jack, (2)

Cover

C 6778-2

Ph Jk CVR

24

Image 24
Contents MICRO-TECH-2400 Avis Table of Contents Warranty IntroductionScope Parts Information Specifications PowerVoltage Conversion Features TheoryOverview Front END OperationVoltage Amplification Grounded Bridge TopologyLast Voltage Amplifiers LVAs Voltage TranslatorsHigh Side HS Low Side LSOutput Device Emulation Protection Odep Positive Electrical Checkout Procedures Test 7 Phase Response Test 12 Output PowerTest 6 Voltage Gain Test 8 Level ControlsTest 16 Signal to Noise Ratio Post TestingTest 14 Odep Limiting Test 15 LF ProtectionParts List Non-Module Power SupplyOutput Assembly ONE PER Channel Supplimental ItemsOutput Assembly CONT. ONE PER Channel Back Panel AssemblyChassis Front Assembly Main Chassis Assembly MiscellaneousModule Information Module HistoryMain Modules Fuse ModuleM46330-3 Fuse Module & Q43327-8 Display Module Parts List DiodesLeds ResistorsQ43354-2 Output Module Parts List P10429-2 Board CapacitorsInductors TransistorsQ43328-6 Main Module Parts List D8679-9 Board Q43328-6 MT-2400 Original Main Module Use Schematic JQ43328-6 Main Module Parts List Cont. D8679-9 Board Resistor NetworksSwitches Test PointsQ43328-6 Main Module Parts List Cont. D8679-9 Board Q43399-7 Main Module Parts List D8827-4 Board Q43399-7 MT-2400 Main Module Use Schematic JQ43399-7 Main Module Parts List Cont. D8827-4 Board TP1 TP2 U103A U203A Open

2400 specifications

Crown Audio is a well-respected name in the audio industry, known for its powerful and reliable amplifiers. Among its notable products is the Crown Audio 2400, a high-performance amplifier that has garnered attention for its impressive range of features and technologies.

The Crown 2400 is part of the XTi series, which is renowned for delivering exceptional sound quality and performance. A key feature of the 2400 is its innovative Class-I technology. This design allows the amplifier to remain highly efficient while producing substantial power output, making it suitable for a variety of applications, from live sound to installation settings. With a power rating of 2400 watts per channel at 4 ohms, the XTi 2400 provides ample power for driving multiple speakers, ensuring that audio can fill even the largest spaces.

Another standout characteristic of the Crown 2400 is its built-in DSP capabilities. This onboard digital signal processing allows users to tailor the audio output to their specific needs. The DSP features include adjustable crossover settings, EQ adjustments, delay settings, and limiting functions, all accessible through an intuitive LCD interface. This user-friendly design enables quick adjustments in real-time, which is critical in dynamic live performance environments.

The amplifier also boasts advanced connectivity options, including both XLR and 1/4-inch input connectors, allowing for versatile integration with various audio sources. Additionally, the inclusion of Speakon outputs provides secure and reliable connections to speakers, minimizing the risk of accidental disconnects during performance.

Thermal management is another area where the Crown 2400 excels. The amplifier is equipped with a comprehensive cooling system, which includes a variable-speed fan and extensive heat sinking. This design ensures that the amplifier operates efficiently even under heavy load, prolonging its lifespan and maintaining optimal performance.

Finally, the Crown Audio 2400 is designed with durability in mind. Its rugged construction makes it suitable for the rigors of touring and demanding live environments, reinforcing Crown's commitment to quality and reliability.

In conclusion, the Crown Audio 2400 stands out as a powerful and versatile amplifier, offering Class-I technology, robust onboard DSP, excellent connectivity options, advanced thermal management, and durable construction. These features make it an ideal choice for audio professionals seeking reliability and high performance in their sound systems.