Teac-AI301DA-dac-sm 维修电路原理图.pdf

D-0028AI-301DAUSB DAC STEREO INTEGRATED AMPLIFIERSERVICE MANUALEffective: April 2014INSTRUCTIONS FOR SERVICE PERSONNELBEFORE RETURNING APPLIANCE TO THE CUSTOMER, MAKE LEAKAGE-CURRENT OR RESISTANCE MEASUREMENTS TO DETERMINE THAT EXPOSED PARTS ARE ACCEPTABLY INSULATED FROM THE SUPPLY CIRCUIT.目次1. 仕様.22. 寸法図.33. 動作確認.44. POWER.AMP 交換. .85. USB.86. .97. 結線図.108. 分解図.119. 基板図.1310.安全部品.1911.付属品.20Contents1.Specifications.22.Dimensional.drawings.33.Checking.operation.44.Power.Amp.Assembly.and.change.guide. .85.Updating.the.USB.Driver.86.Block.Diagram.97.Wiring.Diagram.108.Exploded.Views.and.Parts.List.119.PC.Boards.and.Parts.List.1310.Safety.parts.1911.Included.Accessories.20ZRadioFans.CN 收音机爱 好者资料库- 2 -TEAC AI-301DA1. Specifications仕様Amplifier SectionMaximum power output : 20 W + 20 W (JEITA 10%, 1 kHz, 8 ) 40 W + 40 W (JEITA 10%, 1 kHz, 4 )Rated power output : 15 W + 15 W (JEITA 1%, 1 kHz, 8 ) 28 W + 28 W (JEITA 1%, 1 kHz, 4 )Total Harmonic Distortion : 0.01% (1 kHz, 8 , 1W)Signal-to-noise ratioLINE IN : 95 dB (IHF-A/LPF 20kHz 1kHz 2V input)Frequency Response : 2 Hz 100 kHz (5 dB)Digital audio inputCoaxial digital jack (75) 1 : 0.5 Vp-pOptical digital connector 1 : 24.0 to 14.5 dBm peakUSB port (type B) connector : USB 2.0Supported sampling frequencies (PCM) : 32/44.1/48/88.2/96/176.4/192 kHz ( 96kHz maximum when using optical digital input)Supported bit lengths : 16/24 bitsSupported sampling frequencies (DSD) : 2.8/5.6 MHz (only when connected by USB)BluetoothBluetooth version : V2.1+EDROutput : Class 2Supported profiles : A2DP, AVRCPHeadphones outputRated output : 100 mW+100 mW (32 , 1 kHz)Total harmonic distortion : 0.005%GeneralPower supplyModel for Europe : AC 230 V, 50 Hz Model for USA/Canada : AC 120 V, 60 HzPower consumption : 38 WDimension (W H D) : 215 61 254 mm (8 3/8” 2 3/8” 10”) (including protrusions)Weight : 2.1 kg (4 5/8 lb)Operating temperature : +5C to +35COperating humidity : 5% to 85% (no condensation)Storage temperature : 20C to +55C部最大出力:20W20W(JEITA10%1kHz8) 40W40W(JEITA10%1kHz4)定格出力:15W15W(JEITA1%1kHz8) 28W28W(JEITA1%1kHz4)全高調波歪率:0.01%(1KHz、8、1W)S/N比LINEIN:95dB(IHF-A/LPF20kHz1kHz2V入力)周波数特性:2Hz 100kHz(5dB)音声入力同軸端子(75)1:0.5Vp-p光端子1:24.0 14.5dBmpeakUSB-B端子:USB2.0準拠対応周波数(PCM):32/44.1/48/88.2/96/176.4/192kHz (光 入 力 時 最 大96kHz)対応数:16/24対応周波数(DSD):2.8/5.6MHz (USB接続時対応)BluetoothBluetooth:V2.1+EDR出力:Class2対応:A2DP、AVRCP出力定格出力:100mW100mW(32、 kHz)全高調波歪率:0.005%一般電源:AC100V50-60Hz消費電力:38W外形寸法:215mmx61mmx254mm (WxHxD、突起部含)質量:2.1kg許容動作温度:535許容動作湿度:5 85 (結露)許容保管温度:2055RadioFans.CN 收音机爱 好者资料库- 3 -TEAC AI-301DA2. Dimensional drawings寸法図?- 4 -TEAC AI-301DA3. Checking operation動作確認1. Preparation i Computer with Windows Vista, Windows 7 or Windows 8 in-stalled i TEAC HR Audio Player audio playback softwareThis can be downloaded from the TEAC website (http:/teac.jp/).(Install TEAC HR Audio Player on the above computer.) i DSD filesDSD files : 2.8/5.6 MHz These can be downloaded from the service website (https:/service1.teac.co.jp/).(Prepare a dedicated folder on the above computer.) i Dedicated USB driver This can be downloaded from the TEAC website (http:/teac.jp/).(Install the USB driver on the above computer.) i CD player (Use a CD player with digital output capability such as the CD-500, CD-6010 and CD-200 series.) i Bluetooth device i Prepare speakers (48 impedance).Connect the / terminals on the speakers with the / speaker terminals on the back of this unit. i Prepare a subwoofer speaker. Connect it to the subwoofer terminal on the back of this unit. i Turn the VOLUME control on the front of the unit left until the “i” mark is at the “MIN” (minimum) position. i Headphones with a 6.3mm stereo plug i Turn this units AUTO POWER SAVE (APS) function off.Turning the APS function off When the unit is on, press and hold the standby/on () button for about 5 seconds until all the input indicators become lit or unlit. This indicator state shows whether the APS function is on or off.All input indicators unlit: APS function onAll input indicators lit: APS function off About 2 seconds after the unit is put into standby or turned on, the APS function setting will be shown for about 4 seconds by the indicators.CAUTION i If the unit is turned on when the volume “i” mark is at any po-sition other than “MIN” (minimum), a sudden loud noise might occur. This could damage the speakers, harm your hearing or cause other trouble. i If the APS function is kept on when the unit is switched to test-ing mode, the unit will turn off during the operations.1. 準備 i WindowsXP、WindowsVista、Windows7、Windows8OS搭載PC i 音楽再生TEACHRAudioPlayerTEAC(http:/teac.jp/)入手可能。(上記PC、TEACHRAudioPlayer用意) i DSDDSD:2.8/5.6MHz用(https:/service1.teac.co.jp/)入手可能。(上記PC、専用用意準備) i 専用USBTEAC(http:/teac.jp/)入手可能。(上記PC、専用USB用意) i CD(CD-500、CD-6010、CD-200出力可能CD ) i Bluetooth機器 i (:48)用意。/本機背面 /端子接続。 i 用意。本機背面端子接続。 i 本機前面VOLUME左回、iMIN位置(最小)。 i 6.3mm付 i 本機AUTOPOWERSAVE機能(以下、APS)。APS機能場合電源状態/()約5秒間長押、全入力点灯又消灯。状態APS機能/選択。入力全消灯：APS機能入力全点灯：APS機能上記APS機能、本機/時2秒後APS状態約4秒間、表示。注意 i iMIN位置(最小)以外、本機電源突然大音出、破損、聴力障害原因。 i APS機能、移行操作途中電源。- 5 -TEAC AI-301DA2. Checking USB input1) Use a USB cable to connect the USB port on the back of this unit to the computer.2) First, start the computer, and launch TEAC HR Audio Player.3) Press the units standby/on () button to turn it on. Press the SOURCE button on the front of the unit repeatedly until the USB input indicator LED lights.4) Use TEAC HR Audio Player to open (Fig-1-1) the DSD (Fig-1-2) file saved on the computer.5) Select the file shown in TEAC HR Audio Player and press the PLAY button (Fig-1-3).6) Gradually turn the VOLUME knob on the front of the unit clockwise and confirm that sound is coming from the speakers, including the subwoofer.After confirming this, return the VOLUME to its “MIN” (mini-mum) position.7) Quit TEAC HR Audio Player on the computer and end the USB connection between this unit and the computer. Confirm that the USB input indicator blinks when you do this.3. Checking Bluetooth input1) Press the SOURCE button on the front of the unit repeatedly until the Bluetooth input indicator LED lights.2) Use the other Bluetooth device to pair or connect with this unit.To ready this unit for pairing, after putting it into Bluetooth mode, press and hold the SOURCE button for at least 3 sec-onds. When the unit is ready for pairing, its Bluetooth input indicator will begin flashing rapidly. If the other Bluetooth de-vice requires the input of a passcode on its setting screen, input “0000” (four zeros).3) When the unit confirms connection with the other Bluetooth device, its Bluetooth input indicator will stop flashing, but stay lit. Start playback of an audio file on the other Bluetooth device, gradually turn the VOLUME knob on the front of the unit clockwise and confirm that sound is coming from the speakers, including the subwoofer. After confirming this, return the VOL-UME to its “MIN” (minimum) position.4) End the connection with the other Bluetooth device, and con-firm that the Bluetooth input indicator starts blinking.2. USB入力確認1)本機背面USB端子PCUSB接続。2)最初PC起動、TEACHRAudioPlayer立上。3)本機/()。正面SOURCE繰返押、 入力 USBLED点灯。4)TEACHRAudioPlayer、PC保存(Fig-1-1)DSD(Fig-1-2)開。5)TEACHRAudioPlayer表示選択、PLAY(再生)(Fig-1-3)押。6)前面VOLUME徐右側回、音確認。確認後、VOLUME位置MIN位置(最小)戻。7)PCTEACHRAudioPlayer閉、本機PCUSB接続解除、入力 USB点滅確認。3. Bluetooth入力確認1)正面SOURCE繰返押、 入力 BluetoothLED点灯。2)Bluetooth機器本機接続行。本機待機状態、本機BluetoothSOURCE3秒以上長押。待機状態、入力Bluetooth速点滅切替。、Bluetooth機器設定画面入力要求場合、0000(4)入力。3)Bluetooth機器接続確認、入力 Bluetooth点灯切替。Bluetooth機器音楽再生、前面VOLUME徐右側回、音確認。確認後、VOLUME位置MIN位置(最小)戻。4)Bluetooth機器接続解除、入力Bluetooth点滅確認。2?13- 6 -TEAC AI-301DA4. Checking the COAXIAL input1) Connect the coaxial digital output from the CD player to the COAXIAL input connector on the back of this unit. 2) Press the SOURCE button on the front of the unit repeatedly until the COAXIAL input indicator LED lights. 3) Start CD player playback, gradually turn the VOLUME knob on the front of the unit clockwise and confirm that sound is com-ing from the speakers, including the subwoofer.After confirming this, return the VOLUME to its “MIN” (mini-mum) position. 4) Confirm that the COAXIAL input indicator blinks when the CD player is turned off. 5. Checking the OPTICAL input1) Connect the optical digital output from the CD player to the OPTICAL input connector on the back of this unit. 2) Press the SOURCE button on the front of the unit repeatedly until the OPTICAL input indicator LED lights. 3) Start CD player playback, gradually turn the VOLUME knob on the front of the unit clockwise and confirm that sound is com-ing from the speakers, including the subwoofer.After confirming this, return the VOLUME to its “MIN” (mini-mum) position. 4) Confirm that the OPTICAL input indicator blinks when the CD player is turned off.6. Checking the LINE 1 input1) Connect the L/R analog audio outputs of the CD player to the L/R LINE 1 input jacks on the back of this unit. 2) Press the SOURCE button on the front of the unit repeatedly until the LINE 1 input indicator LED lights.3) Start CD player playback, gradually turn the VOLUME knob on the front of the unit clockwise and confirm that sound is com-ing from the speakers, including the subwoofer.After confirming this, return the VOLUME to its “MIN” (mini-mum) position. 7. Checking the headphones output1) Connect the L/R analog audio outputs of the CD player to the L/R LINE 1 input jacks on the back of this unit.Connect the prepared headphones with a 6.3mm stereo plug to the headphones jack on the front of the unit. 2) Press the SOURCE button on the front of the unit repeatedly until the LINE 1 input indicator LED lights. 3) Start CD player playback, gradually turn the VOLUME knob on the front of the unit clockwise and confirm that sound is com-ing from the headphones.After confirming this, return the VOLUME to its “MIN” (mini-mum) position.8. Checking the LINE 2 input1) Connect the L/R audio outputs of the CD player to the L/R LINE 2 input jacks on the back of this unit. 2) Press the SOURCE button on the front of the unit repeatedly until the LINE 2 input indicator LED lights. 3) Start CD player playback, gradually turn the VOLUME knob on the front of the unit clockwise and confirm that sound is com-ing from the speakers, including the subwoofer.After confirming this, return the VOLUME to its “MIN” (mini-mum) position . 4. COAXIAL入力確認1)CD出力COAXIAL本機背面COAXIAL入力端子接続。2)正面SOURCE繰返押、 入力 COAXIALLED点灯。3)CD再生、前面VOLUME徐右側回、 音確認。確認後、VOLUME位置MIN位置(最小)戻。4)CD電源際、入力COAXIAL点滅確認。5. OPTICAL入力確認1)CD出力OPTICAL本機背面OPTICAL入力端子接続。2)正面SOURCE繰返押、 入力 OPTICALLED点灯。3)CD再生、前面VOLUME徐右側回、 音確認。確認後、VOLUME位置MIN位置(最小)戻。4)CD電源際、入力OPTICAL点滅確認。6. LINE1入力確認1)CD音声出力L/R本機背面LINE1入力L/R端子接続。2)正面SOURCE繰返押、 入力 LINE1LED点灯。3)CD再生、前面VOLUME徐右側回、 音確認。確認後、VOLUME位置MIN位置(最小)戻。7. 出力確認1)CD音声出力L/R本機背面LINE1入力L/R端子接続。用意6.3mm付前面端子接続。2)正面SOURCE繰返押、 入力 LINE1LED点灯。3)CD再生、前面VOLUME徐右側回、音確認。確認後、VOLUME位置MIN位置(最小)戻。8. LINE2入力確認1)CD音声出力L/R本機背面LINE2入力L/R端子接続。2)正面SOURCE繰返押、 入力 LINE2LED点灯。3)CD再生、前面VOLUME徐右側回、 音確認。確認後、VOLUME位置MIN位置(最小)戻。- 7 -TEAC AI-301DA9. Checking the firmware versions (main unit and USB)1) Confirm the latest firmware version on the service manual homepage (https:/service1.teac.co.jp/).2) If the unit is in standby/on, press the standby/on () button to turn it off. After turning the unit off, wait at least 3 seconds before operat-ing the unit again.3) Press and hold both the SOURCE and standby/on () buttons on the front of the unit for 5 seconds.4) After 5 seconds, when you release both buttons, the input in-dicators will show the main unit firmware version being used. You can temporarily switch to showing the USB firmware ver-sion by pressing and holding the SOURCE button. i Switching the firmware displaySOURCE button Not pressedMain unit firmware versionPressedUSB firmware version i Firmware version indicationIInput indicatorLINE 2 lit: Version 1LINE 1 lit: Version 2LINE 1+LINE 2 lit: Version 3OPTICAL lit: Version 4OPTICAL+LINE 2 lit: Version 55) After using the above table to confirm that the latest firmware versions are being used, press the standby/on () button to turn the unit off.9. FirmwareVersion(本体USB)確認1)最新各(https:/service1.teac.co.jp/)確認。2)本機/状態場合、/()押、。/確認、3秒経過本機操作行。3)本機正面SOURCE/()5秒間、押。4)5秒間経過後、各手離状態入力本体表示。、SOURCE押間、USB表示切替。 i 切替SOURCE本体USB i 表示入力LINE2点灯: Version1LINE1点灯: Version2LINE1+LINE2点灯: Version3OPTICAL点灯: Version4OPTICAL+LINE2点灯: Version55)上記表各最新確認後、/()押、本機。- 8 -TEAC AI-301DA4. Power Amp Assembly and change guidePOWER.AMP 交換Checking the destination voltage of the POWER AMP unitWhen changing the POWER AMP unit, pay attention to the jumper pin insertion position of the included part, which is set according to the destination voltage.Part number P200 i AC115V JPN, T/C: short between pins 1 and 2 i AC230V EUR, UK: short between pins 2 and 3Confirming the DC offset voltage of the speaker terminalsConnect a tester between the / speaker terminals of the L (or R) channel, and confirm that when there is no signal the DC voltage is within the range below for that channel.DC voltage = 0 V within 30 mVPOWERAMP仕向電圧確認POWERAMP交換際、仕向電圧、付属品挿入位置注意。部品番号P200 i AC115VJPN、T/C:1-2間 i AC230VEUR、UK:2-3間端子DC電圧確認端子L(R)ch/間接続、無信号時DC電圧L(R)ch、下記範囲確認。DC電圧0V30mV以内?5. Updating the USB DriverUSB.1. Preparation i Computer with Windows XP, Windows Vista, Windows 7 or Win-dows 8 installed i Download the latest USB firmware from the service manual homepage (https:/service1.teac.co.jp/) and save the “updata.bin” updater file to a USB flash drive. i Press the units standby/on () button to turn it on.Press the SOURCE button on the front of the unit repeatedly until the USB input indicator LED lights.After a while, confirm that the USB input indicator LED is blink-ing, and press the units standby/on () button to turn it off.2. Update procedures1) While the unit is off, insert the USB flash drive that contains the updater file into the UPDATE port on the back of the unit.2) In order to provide USB power, use a USB cable to connect the USB port on the back of this unit to a computer.3) Press and hold the SOURCE button on the front of the unit for about 5 seconds until the unit turns on, then release the button.4) The USB and Bluetooth input indicator LEDs will blink, and the USB update will start.During the update, the input indicators will light in the follow-ing order.USB (blinking)wBluetooth (blinking)w(lit)wCOAXI-AL (blinking)w(lit)wOPTICAL (blinking)w(lit)wLINE 1 (blinking)w(lit)wLINE 2 (blinking)w(lit)When the LINE 2 input indicator lights, the USB update is com-plete. (The USB input indicator will continue blinking through the entire process.)5) Press the standby/on () button to turn the unit off.1. 準備 i WindowsXP、WindowsVista、Windows7、Windows8OS搭載PC i 最新USB(https:/service1.teac.co.jp/)入手、USBupdata.bin保存。 i 本機/()。正面SOURCE繰返押、 入力 USBLED点灯。、入力 USBLED点滅確認、/()押本機。2. 手順1)本機電源、保存USB背面UPDATE端子挿入。2)USB電源供給用背面USB端子PCUSB接続。3)本機正面SOURCE押、約5秒間経過本機電源、SOURCE指離。4)入力 USBBluetoothLED点滅、USB開始。中、入力下記順移行。USB(点滅)wBluetooth(点滅)w(点灯)wCOAXIAL(点滅)w(点灯)wOPTICAL(点滅)w(点灯)wLINE1(点滅)w(点灯)wL