6
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
V
mA
-ve
+ve
-ve
+ve
Select Tracking
0 V
+32 V
-32 V
Black = -ve
Red
= +ve
Green = 0 V
Figure 4.1 - Functional test set-up
Summary of Contents for 8000S
Page 1: ...service manual Integrated amplifier 8000S ...
Page 25: ...25 7 0 c i rc u i t s c h e m a t i c s 7 9 Digital system interface schematic SCH26701 03 01 ...
Page 27: ...27 7 0 c i rc u i t s c h e m a t i c s 7 11 Relay coils schematic SCH26701 05 01 ...
Page 28: ...28 7 0 c i rc u i t s c h e m a t i c s 7 12 Front panel schematic SCH26702 01 01 ...
Page 29: ...29 7 0 c i rc u i t s c h e m a t i c s 7 13 Speaker outputs schematic SCH26703 01 01 ...