Measurement Setup; Level Meter - Philips FWM582/55 Service Manual

MEASUREMENT SETUP

Tuner FM
RF Generator
e.g. PM5326
Use a bandpass filter to eliminate hum (50Hz, 100Hz) and disturbance from the pilottone (19kHz, 38kHz).
Tuner AM (MW,LW)
DUT
RF Generator
e.g. PM5326
Frame aerial
e.g. 7122 707 89001
To avoid atmospheric interference all AM-measurements have to be carried out in a Faraday´s cage.
Use a bandpass filter (or at least a high pass filter with 250Hz) to eliminate hum (50Hz, 100Hz).
CD
Use Audio Signal Disc SBC429 4822 397 30184
(replaces test disc 3)
DUT
L
R
Bandpass
DUT
250Hz-15kHz
e.g. 7122 707 48001
S/N and distortion meter
e.g. Sound Technology ST1700B
Bandpass
250Hz-15kHz
e.g. 7122 707 48001
S/N and distortion meter
e.g. Sound Technology ST1700B
S/N and distortion meter
e.g. Sound Technology ST1700B

LEVEL METER

e.g. Sennheiser UPM550
with FF-filter
1-4
LF Voltmeter
e.g. PM2534
LF Voltmeter
e.g. PM2534