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DN-C635
CONFIRMING THE AUDIO
1. Necessary Equipment for Adjustment
Distortion--Factor Meter
VTVM
Low-Pass Filter (20kHz)
AF Oscillator (20Hz ~ 20kHz, +18dBu)
Reference Disc; DENON Audio Technical CD (38C39-7174)
2. Output Level Adjustment
(1) Connect VTVM to the output connector of DN-C635.
Use 1:1 600 ohm Audio Transformer between the unit and VTVMs in order for matching the unbalanced input of
VTVM and the active bakanced output of DN-C635 as shown in figure.
(2) Play track number "49".
(3) While reading VTVM indication, adjust VR602 (L-ch) and VR601 (R-ch) so that the output level a18dBu
(or desired level).
DN-C635
Line Out
Audio Transformer
1:1
600ohm
LPF
(20kHz)
Distortion Meter
Connection for Output Level Adjustment
R
VR601
Location of Level Adjustment VRs
L
VR602
