Philips CAD310, Service Manual

Page: 3 / 28

MEASUREMENT SETUP
Tuner FM
DU T
RF Generator
Ba ndpass
LF Voltmeter
e.g. P M5326
250Hz-15kHz
e. g. 7122 707 48001
e.g. P M2534
S/N and disto rtion meter
e.g . S ound Tech nology ST1 700B
Use a bandp ass filter to eliminate hum (50Hz,100H z) and distu rbance from the pilottone (19kHz,38k Hz).
Tuner AM (MW,LW)
DUT
RF G enerator
Bandpa ss
LF Voltme ter
e.g. P M53 26
250 Hz-15kHz
e.g. 7122 707 48 001
e.g. P M2 534
S/N an d distortion meter
e.g. S ound Techn ology ST1700B
Frame aer ial
e.g. 7122 707 89001
To a void atmosp heric interfer ence all AM- measureme nts have to b e carried out in a Faraday s cage.
Use a bandpass filter ( or at le ast a high p ass filter with 250Hz) to e liminate hum ( 50Hz,100H z ). '
DU T
L
R
LEVEL MET ER
e.g. Sennheiser UPM550
with FF-filter
S/N and d istortion me ter
e.g. S ound Technol ogy ST1700B
Use Audio Signal Disc SBC4 29 4822 397 30184
(repl aces test dis c 3)
CD
1-3
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