Crown Audio 1200 service manual DP3T

Page 37

Micro-Tech 1200 Amplifier Service Manual

Q42980-5 Main Module (D7911-7 board) Parts List Cont.

R188

R288

A10266-3631

36K

R189

R289

A10266-2731

27K

R190

R290

A10266-2051

2M

R191

R291

A10266-3331

33K

R192

R292

A10266-1031

10K

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 OHM

R913

R1013

A10266-1051

1M

R914

R1014

A10266-1051

1M

R915

R1015

A10266-1001

10 OHM

R916

R1016

A10266-1001

10 OHM

SWITCHES

S2

C 7325-1

DPDT SIDE

S3

C 7960-5

DP3T

S100

C 6781-6

6P3T

INTEGRATED CIRCUITS

U1

 

C 5095-2

MC7815

U2

 

C 5096-0

MC7915

U100

U200

C 6911-9

UPA75 PNP

U101

U201

C 4345-2

LM339

U102

U202

C 4345-2

LM339

U103

U203

C 6910-1

UPA76 NPN

U104

U204

C 7558-7

MC33079P

CONNECTORS

J1

 

C 7593-4

HDR, 5 PIN

J2

 

C 4508-5

16 PIN Soc

J11

 

C 7526-4

HDR, 3 PIN

J100

J200

C 6777-4

PH. JACK

J500

J800

D 6619-7

10" Ribbon

J600

J700

D 6620-5

6" Ribbon

MISC

MOUNTS U1, U2:

 

 

(2)

C 1889-2

6-32 NUT

(2)

C 2176-3

6-32 X .5

(2)

C 5341-0

HEATSINK

(2)

C 5594-4

Star Wash.

IC SOCKETS:

 

 

(6)

C 3450-1

14 Pin Skt.

COVERS FOR J100, J200:

 

(2)

C 6778-2

Ph. Jk. Cvr.

STRAIN RELIEF:

 

 

(4)

C 1811-6

Cable Tie

CIRCUIT BOARD:

D 7911-7

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Contents MICRO-TECH-1200 Avis Table of Contents Introduction WarrantyScope Parts Information Power SpecificationsVoltage Conversion Theory FeaturesOverview Front END OperationGrounded Bridge Topology Voltage AmplificationLast Voltage Amplifiers LVAs Voltage TranslatorsLow Side LS High Side HSOutput Device Emulation Protection Odep Positive Test 2 Output Bias Adjustment Electrical Checkout ProceduresTest 3 Odep Voltage Adjustment Standard Initial ConditionsTest 5 Common Mode Rejection Test 4 AC Power DrawTest 7 Phase Response Test 12 Output PowerTest 13 Reactive Loads Test 16 Signal to Noise RatioTest 14 Odep Limiting Test 15 LF ProtectionTest 19 Intermodulation Distortion Post TestingTest 20 Clipping Spec at 0 dB Output 0.01% Spec at -35 dB Output 0.05%Power Supply Parts List Non-ModuleOutput Assembly ONE PER Channel Supplimental ItemsBack Panel Assembly Output AssemblyChassis Front Assembly Main Chassis AssemblyParts List Non-Module Module and Schematic Information Fuse and Display Module Parts Lists Q42549-8 Output Module P10115-7 board Parts List Q42647-0 Output Module P10137-1 board Parts List Q42717-1 Output Module P10233-8 board Parts List Q42871-6 Output Module P10305-4 board Parts List Q42968-0 Output Module P10341-9 board Parts List Q43202-3 Output Module P10397-1 board Parts List Resistor Networks Q42552A0 Main Module D6304A4/D6304B2 board Parts ListConnectors SwitchesIntegrated Circuits Mounts U1, U2Q42714-8 Main Module D 6910-0 board Parts List Dpdt Open Q42776-7 Main Module D 7251-8 board Parts ListQ42776-7 Main Module D 7251-1 board Parts List HDR, 5 PIN Q42980-5 Main Module D7911-7 board Parts List Resistors DP3T NPN MPS8097 Q43035-7 Main Module D7993-5 board Parts ListJumper IC’S Q43031-6 Main Module D7993-5 board Parts List Resistor Networks Switches
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