Service manual

MP/HP/MPW AMPLIFIER BLOCK DIAGRAM
fuse
transformer primary
secondary from transformer
fuse
hot AC MAINS POWER SUPPLY
AC in neutral
mute starts
from here
earth see DC harness on pg 8
Audio In RMS (OPTIONAL)
Audio In
mute
+15VDC
ground
CONTROL -15VDC
A
MP
BOARD HS
Channel
A
Channel B
Fault
Tem
p
Mute
+43VDC
-108VDC
CRNT Ground
REF Ground
+15VD
C
-15VDC
GND A
GND B
-43VDC
+108VDC
+15VDC
GND
-15VDC
Transformer
to Drivers
see DC harness on pg 8
not used