Onkyo CR-N1, Руководство по обслуживанию, Страница: 34 / 37

CR-N1
GND
RFO VC FE1 FE2 TE1 TE2
P106 P105
+
ch 2 GND ch 1 GND
Trimmer resistor
R101
ADJUSTMENT PROCEDURES-2
CD ADJUSTMENT
Focus gain adjustment
Preparation
Set the trimming resistors
R101
to center.
Focus gain adjustment
1. Set the output of the audio oscillator to 1kHz and 1~1.5VP-P
2. Connect the oscilloscope and audio oscillator as shown below.
(Refer to
Fig-1
)
3. Load the test disc YEDS-18 on the tray and play the track 2.
4. Adjust the trimming resistor
R101
so that the signal of channel 2 on the oscilloscope becomes
1.25 times of channel 1.
(Refer to
Fig-2
)
5. Remove to the oscilloscope and audio oscillator.
Fig-2
Audio oscillator
Oscilloscope
Fig-1