Philips HTS3181/55, Service Manual

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MEASUREMENT SETUP
Tuner FM
DUT
Bandpass
20Hz-15kHz
LF Voltmeter
RF Generator
e.g. PM5326
e.g. 7122 707 48001
e.g. PM2534
S/N and distortion meter
e.g. Sound Technology ST1700B
Use a bandpass filter to eliminate hum (50Hz, 100Hz) and disturbance from the pilottone (19kHz, 38kHz).
CD
Use Audio Signal Disc
(replaces test disc 3)
DUT
L
R
SBC429 4822 397 30184
S/N and distortion meter
e.g. Sound Technology ST1700B
LEVEL METER
e.g. Sennheiser UPM550
with FF-filter
Ri=7
5
Ω
3- 2
3 - 2