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index

1.0 safety and servicing notes

1.1 Safety precautions ....................................................................................1

1.2 Electrostatic discharge precautions .............................................................1

1.3 Soldering.................................................................................................1

2.0 front and rear panel layouts

2.1 Front panel controls ..................................................................................3

2.2 Rear panel connections .............................................................................3

3.0 disassembly instructionsPages 4 and 5 DELETED

4.0 functional tests

4.1 Test equipment required ............................................................................6

4.2 Functional test procedure...........................................................................7

5.0 performance tests

5.1 Test equipment required ..........................................................................11

5.2 Performance test procedure .....................................................................12

6.0 test points

6.1 Functional and performance test points .....................................................16

7.0 circuit schematics

7.1 Master schematic diagram (SCH267M-01-05)...........................................17

7.2 Line amplifier left channel schematic (SCH26701-07-02) ............................18

7.3 Line amplifier right channel schematic (SCH26701-08-02)..........................19

7.4 Power amplifier left channel schematic (SCH26701-09-02).........................20

7.5 Power amplifier right channel schematic (SCH26701-10-02).......................21

7.6 Power supplies schematic (SCH26701-01-02) ...........................................22

7.7 Protect and turn on schematic (SCH26701-06-02) .....................................23

7.8 Digital system controller schematic (SCH26701-02-01)...............................24

7.9 Digital system interface schematic (SCH26701-03-01)................................25

7.10 Input interface schematic (SCH26701-04-04) ............................................26

7.11 Relay coils schematic (SCH26701-05-01) .................................................27

7.12 Front panel schematic (SCH26702-01-01) ................................................28

7.13 Speaker outputs schematic (SCH26703-01-01)..........................................29

8.0 printed circuit board layout

8.1 Printed circuit board layout (top view).......................................................30

8.2 Printed circuit board layout (bottom view)..................................................31

9.0 technical data

9.1 8000S Technical specifications................................................................32

9.2 International standards............................................................................34

Audiolab 8000S Service Manual

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