Teac A-550RX Service Manual page 7

NOTES
ground.
2. Adjust R845 for +15 V DC at terminal 23 to ground.
3. Check that there is —15V DC at terminal 25 to ground.
DC voltmeter
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5-2 BASIC TEST SETUP
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Fig. 5-2
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—70 dB or more ... What does it mean?
—55 dB is "less" than —60 dB