Advertisement
Peper ne be: Bs tw
4
9. Test Equipment Required for Servicing
Table 1 lists the test equipment required for servicing the Model 2215 Receiver.
Manufacturer and Model No.
AM Signal Generator
Test
Loop
FM Signat Generator
Stereo Modulator
Audio Oscillator
Oscilloscope
VTVM
Circuit Tester
AC Wattmeter
AC Ammeter
Line Voltmeter
Variable Autotransformer
(0-140VAC, 10 amps.)
Shorting Plug
Output Load
(8 ohms, 0.5%, 100W)
Output Load
(4 ohms, 0.5%, 100W)
Less than 0.3% distortion
Less than 0.3% distortion
Weston Model CVO-100P, less
than 0.02% residual distortion
is required.
High sensitivity with DC hori-
zontal and vertical amplifiers.
With AC, DC, RF range
Simpson, Mode! 390
Commercial Grade (1-10A)
Commercial Grade
(0-150VAC)
Powerstat, Model
116B
Use phono plug with 600 ohm
across center pin and shell.
Commercial Grade
Commercial Grade
Signal
source
for AM
align-
ment
Used with AM Signal generator
Signal
source
for
FM
align-
ment
Stereo
separation
alignment
and trouble shooting
Sinewave and squarewave sig-
nal source.
Waveform
analysis and Trou-
ble Shooting, and ASO align-
ment.
Voltage measurements.
Trouble Shooting
Monitors
primary
power
to
Amplifier.
Monitors amplifier output un-
der short circuit condition.
Monitors potential of primary
power to amplifier
Adjusts level of primary power
to amplifier.
Shorts amplifier input to elimi-
nate noise pickup.
Provides 8-ohm
load for am-
plifier output termination.
Provides
4-ohm
load for am-
plifier output termination.
Advertisement
