Measurement Setup - Philips CED1700 Service Manual

1-3
MEASUREMENT SETUP
Tuner
HA
LF
Voltmeter
e.g.
PM2534
Use a bandpass
filterto
eliminate hum (50H2,
100H2)
and disturbance from the pilottone (19kHz, 38kHz).
YanerAM
(MWLW
Bandpass
250H2-15kHz
LF Voltmeter
e.g. PM2534
RF Generator
and distortion meter
Sound Technology
ST17008
To
avoid atmospheric interference all
AM-measurements have to
be
canied
out in
a Faraday's cage.
use
a bandpass filter (or at least a high pass filter with 250H2) to eliminate hum (50H2,
100H2).
ucD
UseAudioSignal
Disc
SBC429 4S?2397
30184
(replaces test disc 3)
DUT
Recorder
Use Universal Test Cassette CrO2
or Universal Test Cassette Fe
sBc419
4822 397 30069
sBC420
4822397
30071
LF Generator
e.g.
PMst10
i-F
I
I
I
I
I
I
I
I
I
I
I
t\
LEVEL METER
e.g, Sennheiser UPM550
with FF-filter
LEVEL METER
e.g.
Sennheiser
UPM550
wlth FF-tiller
a
o o
a
oo
a
o o
a
oo
a
o o
a
o o
S/N and distortion meter
e.g. Sound
Tehnology sT17008
a
o o
a
o o