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Denon S-302 Service Manual

Denon S-302
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15
S-302
DIAGNOSTICS OF OPTICAL PICKUP
AND REPLACING TRAVERSE UNIT
Make failure diagnostics of the Optical Pickup as follows.
If the laser drive current (Iop) becomes more than 1.5 times of
the initial value, the Optical Pickup should be replaced.
The laser drive current initial value is checked by "Iop checked
Method" of next page.
In case of replacing the Pickup, change the whole part of the
Traverse Unit.
No mechanical adjustment is necessary after the replace-
ment.
光ピックアップの故障診断とトラバース
ユニットの交換
次の順序で故障診断を行ってください。
レーザー駆動電流 Iop 値が初期値の 1.5 倍以上になっている
場合は光ピックアップ交換の目安となります。
レーザー駆動電流初期値は、次ページ "Iop 値の確認方法 "
確認できます。
ピックアップ交換の場合は、トラバースユニット単位での交
換となります。メカの調整は不要です。
レーザー駆動電流初期値 :
Laser drive current initial value:
FLDisplay(Thedisplaypartof13digits)
12345678910111213
T22―mmmm―nnnn
FLDisplay(Thedisplaypartof13digits)
12345678910111213
T2 1 ―mmmm―nnnn
Disc no read, unsteady playback, etc.
Laser drive current (Iop) check
HF wave form check
(Refer to WAVE FORMS)
Traverse Unit replacing
Laser current (Iop) memorizing after replacement
Present value exceeds the ini-
tial value by 1.5 times
ディスクを読み込まない
スムーズに再生しない、等
レーザー駆動電流 Iop 値の確認
HF 波形の確認
(WAVEFORMS参照)
トラバースユニット交換
交換後にレーザー電流値の記憶
現在値が初期値の
1.5 倍になっている
CD:
DVD:
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TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com

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Denon S-302 Specifications

General IconGeneral
Audio decoders-
RMS rated power100 W
Audio output channels5.1 channels
Audio formats supportedAAC, MP3, WAV, WMA
Signal-to-Noise Ratio (SNR)92 dB
Satellite speaker frequency range80 - 90000 Hz
Subwoofer typeActive subwoofer
Wireless subwooferNo
FM radioYes
AM band range52 - 1710 kHz
FM band range87.5 - 107.9 MHz
Supported radio bandsAM, FM
Disc loading typeTray
Disc types supportedCD-R, CD-RW, DVD+R, DVD+RW, DVD-R, DVD-RW
Playback disc formatsCD audio, CD video, VCD
Number of optical discs1 discs
Optical disc player typeDVD player
HDMI in0
USB version2.0
Audio (L/R) in3
Composite video in2
Digital audio coaxial in1
AC input voltage120 V
AC input frequency60 Hz
Power consumption (standby)0.3 W
Power consumption (typical)78 W
Product colorBlack
Apple docking compatibilityiPod
Video formats supportedDIVX
Weight and Dimensions IconWeight and Dimensions
Subwoofer weight11200 g
Subwoofer dimensions (WxDxH)212 x 406 x 378 mm
Front speaker dimensions (WxDxH)131 x 76 x 335 mm

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