Functional Tests; Test Equipment Required - Audiolab 8000S Service Manual

4.0 f u n c t i o n a l t e s t s
These notes are provided to assist you in servicing the amplifier. The circuit schematics are marked
with typical voltage levels, which may assist in defining the cause of any problem.
4.1

Test equipment required

Equipment
Digital Multimeter
Dual Tracking DC Power
Supply
Various Leads
Specification
Accuracy better than 0.5% in V and mV ranges
Output: ±32 V DC 2 A
Positive terminal of negative supply must be connected to
negative terminal of the positive supply unless internally linked
V mA
-ve +ve
-32 V
V mA
Select Tracking
-ve +ve
Black = -ve
Red = +ve
Green = 0 V
0 V +32 V
Figure 4.1 - Functional test set-up
6