Marantz 74 PM40 - Test Equipment Required for Servicing; Voltage Conversion

6. TEST EQUIPMENT REQUIRED FOR SERVICING
This table lists the test equipment required for servicing
item
Distortion Analyzer Distortion measurements
Audio
Oscillator
Sinewave
and
squarewave
signal
source
—
ACVTVM Voltage measurements (Ac)
Oscilloscope Waveform analysis and trouble shooting and ASO aignment
Circuit Tester Trouble shooting
DCVTVM Voltage measurements (DC)
AC Wattmeter | Monitors primary power to amplifier :
Line Voltmeter | : Monitors potential of primary power to ampilifier
Variable Autotransformer Adjust level of primery power to amplifier
Shorting Plug | Shorts amplifier input to eliminate noise pickup
7. VOLTAGE CONVERSION
® EUROPEAN MODEL ONLY |
To convert the unit to a different power source voltage,
change the position as illustrated in the drawing below.
VOLTAGE SELECTOR
| _ CAUTION | |
DISCONNECT POWER SUPPLY CORD FROM AC
SS A
OUTLET BEFORE CONVERTING VOLTAGE.
15- MZ 2630