AVIC-X940BT/XNUC
144
1
2
3
4
1
2
3
4
C
D
F
A
B
E
Method of Power Adjustment
1. Monitor RF by using the analog oscilloscope. (line locating of RF and VREF1)
2. Turn VR1101 and VR1102 to set the PP value of RF at the value shown in the right lower table.
RF waveform after F-ON / before T-ON (waveform measured by analog oscilloscope)
Power adjustment standard
RF level adjustment value
(F-ON STEP 10, 24)
DVD
CD
RF waveform after the completion of all adjustment (waveform measured by analog oscilloscope)
DVD
848 mV to 892 mV
CD
658 mV to 702 mV
200 mV to 1200 mV
200 mV to 1200 mV
Adjust VR in order that this
width is within the range of
target RF level adjustment value.
Adjust VR in order that this
width is within the range of
target FR level adjustment value.
Power adjustment standard
RF level adjustment value
(The setup is completed. STEP 12, 26)
Содержание AVIC-X940BT
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