Denon S-302 Service Manual

37
S-302
● DSW-S302
1. 1U-3811 (D.AMP/SMPS UNIT)
(1) アンプ
リセット信号の確認
･ (IC208 4pin）
"H" レベル ( 約 3.3V)
N.G.
以下部品（周辺）の状態・半田付けチェック
･ [IC208] (BD4730)
･ [IC201] 9pin 周辺 (TAS5066PAGRG4)
その他この部品につながる回路
O.K.
クロック波形の確認？
･ (IC201 2pin)
･ (IC203 15pin)
･ (IC204 15pin)
( 波形 1」を参照
N.G.
以下部品（周辺）の状態・半田付けチェック
･ [X201] (X-TAL)
･ [IC202] (SN74HCU04APWR)
･ [IC201] 2pin 周辺 (TAS5066PAGRG4)
･ [IC203] 15pin 周辺 (PCM1803DBR)
･ [IC204] 15pin 周辺 (PCM1803DBR)
その他この部品につながる回路
O.K.
PWM 信号波形の確認
･ (IC206 4,5,6pin)
･ (IC206 14,15,16pin)
･ (IC207 2,4,17pin）
「波形２」を参照
N.G.
以下部品（周辺）の状態・半田付けチェック
･ [IC201] 全てのピン (TAS5066PAGRG4)
その他この部品につながる回路
O.K.
デジタルアンプキャリア波形の確認
･ (IC206 33,30pin）
･ (IC206 26,22pin）
･ (IC207 29,25pin）
「波形３」を参照
N.G.
以下の部品の状態・半田付けチェック
･ [IC206] 全てのピン (TAS5142DKD)
･ [IC207] 全てのピン (TAS5121DKDR)
その他この部品につながる回路
O.K.
スピーカーリレーの確認
･ (RL201,RL202）
切り替わっているか？
N.G.
以下部品（周辺）の状態・半田付けチェック
･ [RL201,RL202] (DS2SU12VDC)
･ [TR205] (KRC102S)
･ [TR206] (TR206)
その他この部品につながる回路
O.K.
Ａ ／ Ｄ 信号波形の確認
･ (IC201 24,23,21,19)
「波形４〜６」を参照
N.G.
以下の部品の状態・半田付けチェック
･ [IC203] (PCM1803DBR)
･ [IC204] (PCM1803DBR)
その他この部品につながる回路
O.K.
入力回路の確認
･ (IC101 1,7)
･ (IC102 1,7)
･ (IC103 1,7)
DC が出ていない
入力信号がレベル変換されて出ている
N.G.
以下の部品の状態・半田付けチェック
･ [IC101] (RC4580)
･ [IC102] (RC4580)
･ [IC103] (RC4580)
その他この部品につながる回路
O.K.
終了
● DSW-S302
1. 1U-3811 (D.AMP/SMPS UNIT)
(1) AMPLIFER
Check Reset signal.
(IC208 4pin)
"H" level (About 3.3V)
N.G.
Check the following parts (and surrounding area) and
their soldering.
• [IC208] (BD4730)
• [IC201] circumference of 9pin(TAS5066PAGRG4)
Also circuits connected to this part
O.K.
Check Clock waveform.
• (IC201 2pin)
• (IC203 15pin)
• (IC204 15pin)
Refer (waveform 1)
N.G.
Check the following parts (and surrounding area) and
their soldering.
• [X201] (X-TAL)
• [IC202] (SN74HCU04APWR)
• [IC201] circumference of 2pin(TAS5066PAGRG4)
• [IC203] circumference of 15pin(PCM1803DBR)
• [IC204] circumference of 15pin(PCM1803DBR)
Also circuits connected to this part
O.K.
Check PWM sginal waveform.
• (IC206 4,5,6pin)
• (IC206 14,15,16pin)
• (IC207 2,4,17pin)
Refer (waveform 2)
N.G.
Check the following parts (and surrounding area) and
their soldering.
• [IC201] ALL pin (TAS5066PAGRG4)
Also circuits connected to this part
O.K.
Check Digital amp carrier waveform.
• (IC206 33,30pin)
• (IC206 26,22pin)
• (IC207 29,25pin)
Refer (waveform 3)
N.G.
Check the following parts (and surrounding area) and
their soldering.
• [IC206] ALL pin (TAS5142DKD)
• [IC207] ALL pin (TAS5121DKDR)
Also circuits connected to this part
O.K.
Check Speaker relay.
• Is (RL201,RL202) switched?
N.G.
Check the following parts (and surrounding area) and
their soldering.
• [RL201,RL202] (DS2SU12VDC)
• [TR205] (KRC102S)
• [TR206] (TR206)
Also circuits connected to this part
O.K.
Check A/D signal waveform.
• (IC201 24,23,21,19)
Refer (waveform 4-6)
N.G.
Check the following parts (and surrounding area) and
their soldering.
• [IC203] (PCM1803DBR)
• [IC204] (PCM1803DBR)
Also circuits connected to this part
O.K.
Check Input circuit.
• (IC101 1,7)
• (IC102 1,7)
• (IC103 1,7)
No DC produced
Input signal output with level converted
N.G.
Check the following parts (and surrounding area) and
their soldering.
• [IC101] (RC4580)
• [IC102] (RC4580)
• [IC103] (RC4580)
Also circuits connected to this part
O.K.
END
w w w . x i a o y u 1 6 3 . c o m
Q Q
3
7
6 3
1 5 1 5
0 9 9
2
8 9
4 2
9 8
T E L 1 3 9 4 2 2 9 6 5 1 3 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3
Q Q
TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com

Denon S-302 Specifications

General

Audio decoders	-
RMS rated power	100 W
Audio output channels	5.1 channels
Audio formats supported	AAC, MP3, WAV, WMA
Signal-to-Noise Ratio (SNR)	92 dB
Satellite speaker frequency range	80 - 90000 Hz
Subwoofer type	Active subwoofer
Wireless subwoofer	No
FM radio	Yes
AM band range	52 - 1710 kHz
FM band range	87.5 - 107.9 MHz
Supported radio bands	AM, FM
Disc loading type	Tray
Disc types supported	CD-R, CD-RW, DVD+R, DVD+RW, DVD-R, DVD-RW
Playback disc formats	CD audio, CD video, VCD
Number of optical discs	1 discs
Optical disc player type	DVD player
HDMI in	0
USB version	2.0
Audio (L/R) in	3
Composite video in	2
Digital audio coaxial in	1
AC input voltage	120 V
AC input frequency	60 Hz
Power consumption (standby)	0.3 W
Power consumption (typical)	78 W
Product color	Black
Apple docking compatibility	iPod
Video formats supported	DIVX

Weight and Dimensions

Subwoofer weight	11200 g
Subwoofer dimensions (WxDxH)	212 x 406 x 378 mm
Front speaker dimensions (WxDxH)	131 x 76 x 335 mm