Measurement Setup - Philips FWD872/98 Servise 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).
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
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
Recorder
Use Universal Test Cassette CrO2 SBC419 4822 397 30069
or Universal Test Cassette Fe
DUT
LF Generator
e.g. PM5110
SBC420 4822 397 30071
L
R
S/N and distortion meter
e.g. Sound Technology ST1700B
LEVEL METER
e.g. Sennheiser UPM550
with FF-filter