Read Harman Kardon HD 750 Service Manual online
HD750
Signal to Noise Ratio
1. Set the mode of the filter to ‘ S/N’ mode
2. Play track 2 of the test disc
3. The unit of the audio analyzer is set to dB mode
4. Press the S/N key on the control panel of the audio analyzer
5. Play track 7
6. Measure the data of S/N ratio
Dynamic Range
1. Set the mode of the filter to ‘ D-Range’ mode
2. Set the audio analyzer to ‘ DIST’ Mode
3. Set the unit of the audio analyzer to ‘ dB’ mode
4. Play track 17of the test disc
5. The dynamic range should be |A| + 60dB
Channel Separation
1. Set the mode of the filter to ‘ DIST/CH-SP’ mode
2. Set the audio analyzer to ‘ LEVEL’ mode
3. Play the tracks 8, 9, 10 & 11
4. The measured results is the difference between L & R channel
De-emphasis
1. Press the ‘ THRU’ button of the CD filter
2. Play the track 2 of the test disc
3. Press the ‘ Relative Level’ and make it ‘ ON’
4. Select the track 12 and 13 and measure the L & R channels value
10
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