Crown Audio 800CSL service manual UPA75

Page 36

Power Base-2 & 800CSL Amplifier Service Manual

Q43059-7 Main Module Parts List (D 7993-5 Board)

R193

R293

A10266-1031

10K

R194

R294

A10266-1041

100K

R195

R295

A10266-3021

3K

R196

R296

A10266-4721

4.7K

R197

R297

A10266-1031

10K

R198

R298

A10266-4721

4.7K

R199

R299

A10266-1031

10K

R909

R1009

A10266-4741

470K

R910

R1010

A10266-4741

470K

R911

R1011

A10266-1521

1.5K

R912

R1012

A10266-4711

470

R913

R1013

A10266-1051

1M

R915

R1015

A10266-1001

10

R916

R1016

A10266-1001

10

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 (CMR Null)

SWITCHES

S2

C 7325-1

Ground Lift

S3

C 7960-5

Sensitivity

S4

C 6781-6

Stereo/Mono

IC’S

U1

 

C 5095-2

UA7815

U2

 

C 5096-0

UA7915

U100

U200

C 6911-9

UPA75

U101

U201

C 4345-2

LM339

U102

U202

C 4345-2

LM339

U103

U203

C 6910-1

UPA76

U104

U204

C 7558-7

MC33079P

MISC.

Board

 

D 7993-5

 

Socket

 

C 3450-1

14 Pin

Nut

 

A10102-5

Hex 6-32

Heatsink

C 5341-0

TO-220

Torq. Spreader C 6541-4

 

Washer

 

C 8973-7

#6, Split

Screw

 

C 9067-7

Stainless

J1

 

C 7593-4

5 Pin Header

J11

 

C 7526-4

3 Pin Header

J12

 

C 7873-0

2 Pin Header

J100

J200

C 6777-4

Phone Jack

Cover

 

C 6778-2

Phone Jack Cover

J500

J800

D 6619-7

10 Inch Ribbon

J600

J700

D 6620-5

6 Inch Ribbon

36

Image 36
Contents Power BASE-2& 800CSL Avis Table of Contents Warranty IntroductionScope 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 Output Assembly ONE PER Channel Back Panel AssemblyChassis Front 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 Parts List D 6910-0 Board Network ResistorsQ42665-2 Main Module Original for PB-2 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.