Crown Audio 800CSL service manual Dpdt Side

Page 32

Power Base-2 & 800CSL Amplifier Service Manual

Q42818-7 Main Module Parts List (D 7251-8 Board)

Q116

Q216

C 3786-8

PN4250A

Q117

Q217

D 2961-7

SEL 2N3859A

Q118

Q218

D 2961-7

SEL 2N3859A

Q119

Q219

C 3625-8

2N4125

Q120

Q220

C 3625-8

2N4125

Q121

Q221

C 7458-0

2N4123

Q122

Q222

C 7458-0

2N4123

RESISTORS

R1

 

A10265-53621

53.6K

R2

 

A10266-2402

24 OHM

R3

 

A10266-2402

24 OHM

R4

 

A10265-46421

46.4K

R5

 

A10266-3321

3.3K

R11

 

A10266-5621

5.6K

R12

 

A10266-4331

43K

R13

 

A10266-1021

1K

R14

 

A10266-8221

8.2K

R15

 

A10266-6211

620 OHM

R101

R201

A10265-49911

4.99K

R102

R202

A10266-1021

1K

R103

R203

A10266-1041

100K

R104

R204

A10266-2721

2.7K

R105

R205

A10266-2721

2.7K

R106

R206

A10266-1231

12K

R107

R207

A10266-6831

68K

R108

R208

A10266-1021

1K

R109

R209

A10266-8201

82 OHM

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

A10266-5141

510K

R116

R216

A10266-3351

3.3M

R117

R217

A10266-4731

47K

R118

R218

A10266-2711

270 OHM

R119

R219

A10266-3011

300 OHM

R120

R220

A10266-2711

270 OHM

R121

R221

C 5062-2

100K TRIMMER

R122

R222

A10266-2741

270K

R123

R223

A10266-1231

12K

R124

R224

A10266-6821

6.8K

R125

R225

C 7782-3

100 OHM

R126

R226

C 7782-3

100 OHM

R127

R227

A10266-6821

6.8K

R128

R228

A10266-1031

10K

R129

R229

A10266-1041

100K

R130

R230

A10266-1041

100K

R131

R231

A10266-1031

10K

R132

R232

C 5062-2

100K TRIMMER

R133

R233

A10266-2741

270K

R134

R234

A10266-1231

12K

R135

R235

C 7782-3

100 OHM

R136

R236

A10266-6821

6.8K

R137

R237

C 7782-3

100 OHM

R138

R238

A10266-6821

6.8K

R139

R239

A10266-1021

1K

R140

R240

A10266-8201

82 OHM

R141

R241

A10266-1541

150K

R142

R242

A10266-1541

150K

R146

R246

A10266-1031

10K

R147

R247

C 7781-5

200 OHM

R148

R248

A10266-2721

2.7K

R149

R249

C 7781-5

200 OHM

R150

R250

A10266-2721

2.7K

R151

R251

A10266-1031

10K

R152

R252

A10266-1231

12K

R153

R253

C 5868-2

ZERO OHM

R156

R256

A10266-1321

1.3K

R157

R257

A10266-1321

1.3K

R158

R258

A10266-9121

9.1K

R159

R259

A10266-1031

10K

R161

R261

A10266-4701

47 OHM

R162

R262

A10266-4701

47 OHM

R167

R267

A10266-1021

1K

R168

R268

A10265-95301

953 OHM

R170

R270

A10266-1021

1K

R171

R271

A10265-95301

953 OHM

R174

R274

A10265-24921

24.9K

R175

R275

A10265-14721

14.7K

R176

R276

A10265-24921

24.9K

R179

R279

A10266-4731

47K

R180

R280

A10266-4711

470 OHM

R181

R281

A10266-4721

4.7K

R182

R282

A10266-2201

22 OHM

R183

R283

A10266-2421

2.4K

R185

R285

A10266-2421

2.4K

R186

R286

A10266-1051

1M

R187

R287

A10265-52321

52.3K

SWITCHES

S2

C 7325-1

DPDT SIDE

S3

C 7363-2

DPDT GOLD

S100

C 6781-6

6P3T

IC’S

U1

 

C 5095-2

MC7815

U2

 

C 5096-0

MC7915

U100

U200

C 6911-9

UPA75 PNP

U103

U203

C 6910-1

UPA76 NPN

U104

U204

C 6900-2

MC34084P

32

Image 32
Contents Power BASE-2& 800CSL Avis Table of Contents Scope WarrantyIntroduction Parts Specifications PowerPerformance MechanicalVoltage Conversion BLUFeatures TheoryOverview Front END OperationError Amp Voltage TranslatorsGrounded Bridge Topology High Side HSOutput Device Emulation Protection Odep Low Side LSPositive Checkout Procedures Test 2 Output Bias AdjustmentTest 3 Odep Voltage Adjustment Standard Initial ConditionsTest 4 AC Power Draw Test 5 Common Mode RejectionTest 7 Phase Response Test 12 Output PowerTest 16 Signal to Noise Ratio Test 14 Odep LimitingTest 15 LF Protection Test 17 Turn on TransientsPost Testing Mechanical Non-Module Parts Chassis Front Assembly Output Assembly ONE PER ChannelBack Panel Assembly Main Chassis Assembly Module Information Module HistoryOutput Modules Main ModulesQ42647-0 Output Module Parts List P10137-1 Board Q42717-1 Output Module Parts List P10233-8 Board Q42717-1 Output Module MT/MA #2 for PB-2Q42871-6 Output Module Parts List P10305-4 Board Q42871-6 Output Module MT/MA TO-3P Driver for PB-2/ 800CSLQ42966-4 Output Module Parts List P10305-4 Board Q42966-4 Output Module TO-3P Driver #2 for PB-2/ 800CSLQ43015-9 Output Module Parts List P10341-9 Board Q43203-1 Output Module Parts List P10397-1 Board Q42665-2 Main Module Original for PB-2 Q42665-2 Main Module Parts List D 6910-0 BoardNetwork Resistors Switches IC’SQ42683-5 Main Module Parts List D 6910-0 Board Q42683-5 Main Module #2 for PB-2Interconnects Zero OHMQ42818-7 Main Module Parts List D 7251-8 Board Q42818-7 Main Module 3rd Gain for PB-2/800CSLDpdt Side Header 5 PIN Q43059-7 Main Module Parts List D 7993-5 Board Jumper UPA75

800CSL specifications

Crown Audio has long been a respected name in professional audio equipment, and the 800CSL amplifiers are a testament to their unwavering commitment to quality and performance. Designed for professional sound reinforcement applications, the Crown 800CSL offers an impressive blend of power, reliability, and versatility, making it a popular choice among audio engineers and event coordinators.

At the heart of the Crown 800CSL is its robust power output. This amplifier delivers an impressive 800 watts per channel at 4 ohms, ensuring that it can drive even the most demanding speakers with ease. It features a Class D design, which not only maximizes efficiency, allowing for more power with less heat generation, but also contributes to a lightweight chassis that is easy to transport and install. This makes the 800CSL a versatile option for both permanent installations and mobile events.

One of the key technologies employed in the Crown 800CSL is its comprehensive built-in protection circuitry. This includes advanced short circuit protection, over-temperature protection, and current limiting. Such features ensure that the amplifier operates reliably in challenging conditions, reducing the risk of damage to both the amplifier and the connected speakers. The inclusion of a low-frequency filter further enhances performance, providing clean, powerful bass without distortion.

The Crown 800CSL also offers a range of connectivity options, including XLR and ΒΌ-inch inputs, making it compatible with a wide variety of audio sources. This flexibility, combined with user-friendly front panel controls, allows audio professionals to set up and adjust the system quickly and efficiently.

Additionally, the amplifier features a robust and compact design with a lightweight aluminum chassis. This not only contributes to its portability but also aids in heat dissipation, further enhancing performance during prolonged use. The included handles on the chassis make it easy to transport the unit between gigs, while its durable components ensure longevity.

In summary, the Crown Audio 800CSL stands out for its power, efficiency, and reliability. From its Class D amplification technology to its comprehensive protection features, this amplifier is designed to meet the needs of professionals in the audio industry. Whether for concerts, events, or installations, the 800CSL is poised to deliver exceptional sound quality and performance, making it a valuable addition to any audio toolkit.