Pioneer AVH-X2700BS Service Manual page 64

1
Method of Power Adjustment
1. Monitor RF by using the analog oscilloscope. (line locating of RF and VREF1)
A
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)
Adjust VR in order that this
width is within the range of
target RF level adjustment value.
B
RF waveform after the completion of all adjustment (waveform measured by analog oscilloscope)
Adjust VR in order that this
C
width is within the range of
target FR level adjustment value.
D
E
F
64
1
2
Power adjustment standard
RF level adjustment value
DVD
AVH-X2700BS/XNUC
2
3
Power adjustment standard
RF level adjustment value
(F-ON STEP 10, 24)
DVD 200 mV to 1 200 mV
CD 200 mV to 1 200 mV
(The setup is completed. STEP 12, 26)
818 mV to 862 mV
CD 658 mV to 702 mV
3
4
4