Philips HTB9245D, Service Manual

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LEVEL METER
e.g. Sennheiser UPM550
with FF-filter
S/N and distortion meter
e.g. Sound Technology ST1700B
L
R
DUT
CD
Use Audio Signal Disc
(replaces test disc 3) SBC429 4822 397 30184
Bandpass
250Hz-15kHz
e.g. 7122 707 48001
LF Voltmeter
e.g. PM2534
DUT
RF Generator
e.g. PM5326
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).
Ri=50
Tuner FM
MEASUREMENT SETUP