Crown Audio 1200 service manual Q42871-6 Output Module P10305-4 board Parts List

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Micro-Tech 1200 Amplifier Service Manual

Q42871-6 Output Module (P10305-4 board) Parts List

CAPACITORS

C01

C 8511-5

.047µF

C02

C 7964-7

.22µF

C03

C 7964-7

.22µF

C04

C 8534-7

.0047µF

C05

C 8534-7

.0047µF

C06

C 6806-1

.01µF

C07

C 6807-9

.001µF

C08

C 6810-3

180pF

C09

C 6809-5

220pF

C43

C 6806-1

.01µF

DIODES

D01

C 2851-1

1N4004

D02

C 2851-1

1N4004

D03

C 2851-1

1N4004

D04

C 2851-1

1N4004

D05

C 2851-1

1N4004

D06

C 2851-1

1N4004

D07

C 2851-1

1N4004

D08

C 2851-1

1N4004

D09

C 2851-1

1N4004

D10

C 2851-1

1N4004

D11

C 2851-1

1N4004

D12

C 2851-1

1N4004

INDUCTORS

L00

C 6592-6

Output Coil

L01

C 3510-2

470µH

L02

C 3510-2

470µH

TRANSISTORS

Q17

C 3810-6

MPSA43

Q19

C 3578-9

MPSA93

RESISTORS

R00

A10266-7501

75

R01

A10266-4711

470

R02

C 7778-1

5.6 FP

R03

C 6486-2

.2 5W

R04

C 6486-2

.2 5W

R05

C 6486-2

.2 5W

R06

C 6486-2

.2 5W

R07

C 6486-2

.2 5W

R08

C 6486-2

.2 5W

R09

C 7779-9

22 FP

R10

A10266-4711

470

R11

A10266-2R73

2.7 1W

R12

A10266-1204

12 2W

R13

A10266-7501

75

R14

A10266-1204

12 2W

R15

C 6486-2

.2 5W

R16

C 6486-2

.2 5W

R17

C 6486-2

.2 5W

R18

C 6486-2

.2 5W

R19

C 6486-2

.2 5W

R20

C 6486-2

.2 5W

R21

C 7778-1

5.6 FP

R22

C 7779-9

22 FP

R23

C 6844-2

250 Pot

R24

A10266-1331

13K

R25

A10266-2221

2.2K

R26

C 6844-2

250 Pot

R27

A10266-3911

390

R28

A10266-1331

13K

R29

A10266-5101

51

R30*

A10265-10201*

102*

R35

A10266-1204

12 2W

R36

A10266-1204

12 2W

R37

A10266-1204

12 2W

R38

A10266-1204

12 2W

R39

A10266-1204

12 2W

R40

A10266-1204

12 2W

MISC

Board

P10305-4

 

Jumpers

C 5868-2

0 Ohm (7)

Clips

D 6414-3

Q17/Q19

Beads

C 8341-7

Q17/Q19

J500 J600

C 7057-0

10 Pin HDR

Note: R30 is 102 Ohms in most units, though in some cases a different value may be used to match the installed S100/S200 LM334 (C5826-0) device grade. This is the standard value and is used with the most common LM334 grade, green. If the LM334 is marked with a blue dot, R30 should be a 107 Ohm resistor (A10265-10701); if it is marked with a yellow dot then R30 should be a 100 Ohm resistor (A10265-10001).

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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