Aiwa XR-EM30 Service Manual page 42

ELECTRICAL ADJUSTMENT-7/8
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CD CHECK
Perform the adjustments after the main unit enters the test mode.
Place the CD mechanism on level ground.
Equipment and tools required
Measuring equipment
Digital multi-meter
Jitter meter (KIKUSUI 6235)
Test disc: TCD-782
ATD-001
TE
L 13942296513
1. Focus Offset Adjustment
1) Connect a digital multimeter to the FE and Vref.
2) Playback the second track of the TCD-782.
3) Adjust SFR501 until the digital multimeter indicates 20
2. Rf Waveform Check
1) Connect oscilloscope to the test point RF and Vref.
2) Play back the 2 nd track of TCD-782.
3) Check that the RF waveform has the maximum amplitude and the center
of the wedge waveform has the clear blank.
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