Marantz PM500 - Page 6

105 TO 125VAC
50/60 Hz
LINE SWITCH
OO 2% AMP
SLO-BLO
O VARIAC
VARIABLE
OD
O
O
DIRECT
NORMAL
O
Or
| (REVERSE
!
2
|
|
'
AC
OUTLETS
| wO
aa
tie
Cee)
O
O £5
AC
WATTMETER
AC
VOLTMETER
OTO
150
WATTS
0
TO
150VAC
Figure
1.
AC
Power
Control
Box
Simplified
Schematic
0 © (MOMENTARY
SWITCH)
O O[QFF] O
0 O
0.5 MFD
300V
8 OHMS 40OHMS
£0.5% +0.5%
250W 250W
AC AMMETER
0 TO 10 AMPERES db
O
Figure 2. Amplifier Output Load Box Simplified Schematic
3