Crown Audio 1200 service manual Q42776-7 Main Module D 7251-1 board Parts List, Resistors

Page 33

Micro-Tech 1200 Amplifier Service Manual

Q42776-7 Main Module (D 7251-1 board) Parts List Cont.

Q116

Q216

C 3786-8

PN4250A

Q117

Q217

D 2961-7

2N3859A

Q118

Q218

D 2961-7

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

R10

 

 

OPEN

R11

 

A10266-5621

5.6K

R12

 

A10266-4331

43K

R13

 

A10266-1021

1K

R14

 

A10266-8221

8.2K

R15

 

A10266-6211

620 OHM

R100

R200

 

OPEN

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 Trim

R122

R222

A10266-2741

270K

R123

R223

A10266-1831

18K

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 Trim

R133

R233

A10266-2741

270K

R134

R234

A10266-1831

18K

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

R155

R255

 

OPEN

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

R169

R269

 

OPEN

R170

R270

A10266-1021

1K

R171

R271

A10265-95301

953 OHM

R172

R272

 

OPEN

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

S100

C 6781-6

6P3T

33

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Contents MICRO-TECH-1200 Avis Table of Contents Warranty IntroductionScope 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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