Crown Audio 2400 Q43328-6 Main Module Parts List Cont. D8679-9 Board, Resistor Networks

Page 23

Micro-Tech 2400 Amplifier Service Manual

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

RESISTOR NETWORKS

N101

N201

D 7944-8

Res. Net.

N102

N202

D 6082-8

Res. Net.

TRANSISTORS

Q100

Q200

D 2961-7

2N3859A

Q101

Q201

C 3578-9

MPSA93

Q102

Q202

C 3810-6

MPSA43

Q103

Q203

C 3786-8

PN4250

Q105

Q205

C 3578-9

MPSA93

Q106

Q206

C 3625-8

2N4125

Q107

Q207

C 3786-8

PN4250

Q108

Q208

C 5891-4

MTS105

Q109

Q209

D 2961-7

2N3859A

Q110

Q210

C 3810-6

MPSA43

Q112

Q212

C 3625-8

2N4125

Q113

Q213

C 3625-8

2N4125

Q115

Q215

D 2962-5

MPS8097

Q116

Q216

C 3786-8

PN4250

Q117

Q217

D 2961-7

2N3859A

Q118

Q218

D 2961-7

2N3859A

Q119

Q219

C 3625-8

2N4125

Q120

Q220

C 3625-8

2N4125

Q123

Q223

C 7458-0

2N4123

Q124

Q224

C 3625-8

2N4125

Q125

Q225

C 3786-8

PN4250

Q126

Q226

C 5891-4

MTS105

Q127

Q227

C 3625-8

2N4125

Q128

Q228

C 7458-0

2N4123

Q129

Q229

C 3625-8

2N4125

Q130

Q230

C 7458-0

2N4123

Q131

Q231

C 3625-8

2N4125

Q132

Q232

C 3625-8

2N4125

Q133

Q233

C 3625-8

2N4125

Q134

Q234

C 3625-8

2N4125

Q135

Q235

C 7458-0

2N4123

Q136

Q236

C 7458-0

2N4123

Q137

Q237

C 3625-8

2N4125

RESISTORS

R1

A10265-53621

53.6K 1%

R2

C 7340-0

24 5W

R3

C 7340-0

24 5W

R4

A10265-46421

46.4K 1%

R5

OPEN

 

R7

A10266-4331

43K

R8

A10265-75021

75K 1%

R10

OPEN

 

R17

A10265-75021

75K 1%

R18

A10266-4331

43K

R100 R200

C 7409-3

5K Lin. Vol.

R101

R201

A10265-49911

4.99K 1%

R102

R202

A10266-5111

510

R103

R203

A10265-10031

100K 1%

R104

R204

A10266-2721

2.7K

R105

R205

A10266-2721

2.7K

R106

R206

A10266-1231

12K

R107

R207

A10266-6831

68K

R108

R208

A10265-80601

806

R109

R209

A10266-5601

56

R110

R210

A10266-6831

68K

R111

R211

A10266-1231

12K

R112

R212

A10266-5131

51K

R113

R213

A10266-4721

4.7K

R114

R214

A10266-4721

4.7K

R115

R215

A10266-3341

330K

R116

R216

A10266-2751

2.7M

R117

R217

A10265-46421

46.4K 1%

R118

R218

A10265-28701

287 1%

R119

R219

A10265-68101

681 1%

R120

R220

A10265-28701

287 1%

R121

R221

C 5062-2

100K Pot

R122

R222

A10266-2741

270K

R123

R223

A10266-2732

27K .5W

R124

R224

A10266-6821

6.8K

R125

R225

C 8836-6

100 .5W FP

R126

R226

C 8836-6

100 .5W FP

R127

R227

A10266-6821

6.8K

R128

R228

A10266-1331

13K

R129

R229

A10265-10031

100K 1%

R130

R230

A10265-10031

100K 1%

R131

R231

A10266-1331

13K

R132

R232

C 5062-2

100K Pot

R133

R233

A10266-2741

270K

R134

R234

A10266-2732

27K .5W

R135

R235

A10266-1012

100 .5W

R136

R236

A10266-6821

6.8K

R137

R237

A10266-1012

100 .5W

R138

R238

A10266-6821

6.8K

R139

R239

A10265-80601

806 1%

R140

R240

A10266-5601

56

R141

R241

A10266-1541

150K

R142

R242

A10266-1541

150K

R143

R243

A10266-4711

470

R144

R244

A10266-4711

470

R145

R245

A10266-4711

470

R146

R246

A10266-1231

12K

R147

R247

C 8836-6

100 .5W FP

R148

R248

A10266-2721

2.7K

R149

R249

C 8836-6

100 .5W FP

R150

R250

A10266-2721

2.7K

R151

R251

A10266-1231

12K

R152

R252

A10265-11521

11.5K 1%

23

Image 23
Contents MICRO-TECH-2400 Avis Table of Contents Scope WarrantyIntroduction Parts Information Power SpecificationsVoltage Conversion Front END Operation FeaturesTheory OverviewVoltage Translators Voltage AmplificationGrounded Bridge Topology Last Voltage Amplifiers LVAsLow Side LS High Side HSOutput Device Emulation Protection Odep Positive Electrical Checkout Procedures Test 8 Level Controls Test 7 Phase ResponseTest 12 Output Power Test 6 Voltage GainTest 15 LF Protection Test 16 Signal to Noise RatioPost Testing Test 14 Odep LimitingSupplimental Items Parts List Non-ModulePower Supply Output Assembly ONE PER ChannelChassis Front Assembly Output Assembly CONT. ONE PER ChannelBack Panel Assembly Miscellaneous Main Chassis AssemblyFuse Module Module InformationModule History Main ModulesResistors M46330-3 Fuse Module & Q43327-8 Display Module Parts ListDiodes LedsTransistors Q43354-2 Output Module Parts List P10429-2 BoardCapacitors InductorsQ43328-6 MT-2400 Original Main Module Use Schematic J Q43328-6 Main Module Parts List D8679-9 BoardResistor Networks Q43328-6 Main Module Parts List Cont. D8679-9 BoardTest Points SwitchesQ43328-6 Main Module Parts List Cont. D8679-9 Board Q43399-7 MT-2400 Main Module Use Schematic J Q43399-7 Main Module Parts List D8827-4 BoardQ43399-7 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.