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2-2. BKAM-101 Input Level Adjustment
2-3. BKAM-102 Input Level Adjustment
2-2. BKAM-101 Input Level Adjustment2-3. BKAM-102 Input Level Adjustment
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Before proceeding to the adjustment described below,Before proceeding to the adjustment described below,
adjustment of the AMS-100 must be completed. If it hasadjustment of the AMS-100 must be completed. If it has
not been finished, proceed to the adjustment described innot been finished, proceed to the adjustment described in
2-6.2-6.
AL-42 boardDAC-37 board
CN101CN101
S2S22
RV101RV102
RV1RV21
S1S21S101D102
2-2-1. Input level adjustment2-3-1. Input level adjustment
PreparationPreparation
. Make the connections. (See OConnection 1� in 2-1-3.). Make the connections. (See OConnection 2� in 2-1-3.)
. Before adjustment, warm up the unit for about 10. Before adjustment, warm up the unit for about 10
minutes.minutes.
. Select the slot where the BKAM-101 is installed, using. Select the slot where the BKAM-102 is installed, using
the SLOT A/B buttons, and select 1 for CH-L and 2 forthe SLOT A/B buttons, and select 1 for CH-L and 2 for
CH-2 on the AMS-100.CH-2 on the AMS-100.
. S101 (D-1) /DAC-37 board ? XLR position
Procedures
Procedures
1. Supply the following signals to the AMS-100 from the
2-channel audio analyzer:1. Set the following items of the 2-channel audio analyzer:
Frequency: 1 kHz1 kHz, _20.0dB FS: Emphasis of the channel status
Output level:+4.0 dBm (600 Z load, balanced)(50/15 us) to OFF
2. Equipment:2-channel audio analyzerSampling frequency: 48 kHz
Test point:REMOTE connector/AUDIO OUT2. Check that D102 (the DIGITAL AUDIO IN lamp) is
1 connector of the AMS-100lit.
Adjustment point:1RV1 (B-2) /AL-42 board3. Equipment:2-channel audio analyzer
Specification+:4.0 ?0.1 dBmTest point:REMOTE connector/AUDIO OUT
3. Equipment:2-channel audio analyzer1 connector of the AMS-100
Test point:REMOTE connector/AUDIO OUTAdjustment point:1RV101 (B-3) /DAC-37 board
2 connector of the AMS-100Specification:+4.0 ?0.1 dBm
Adjustment point:1RV21 (A-2) /AL-42 board
Specification:+4.0 ?0.1 dBm
AMS-1002-3 (E) |