Teac AI-301DA Service Manual
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Teac AI-301DA Service Manual

Usb dac stereo integrated amplifier
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See also: Owner's Manual
Contents
1..Specifications............................................................................2
2..Dimensional.drawings. . ...........................................................3
3..Checking.operation. . ................................................................4
4..Power.Amp.Assembly.and.change.guide. . ..........................8
5..Updating.the.USB.Driver. . .......................................................8
6..Block.Diagram...........................................................................9
7..Wiring.Diagram. . .....................................................................10
8..Exploded.Views.and.Parts.List.............................................11
9..PC.Boards.and.Parts.List. . ......................................................13
10..Safety.parts. . ..........................................................................19
11..Included.Accessories...........................................................20
Effective: April 2014
AI-301DA
USB DAC STEREO INTEGRATED AMPLIFIER

INSTRUCTIONS FOR SERVICE PERSONNEL

BEFORE RETURNING APPLIANCE TO THE CUSTOMER, MAKE LEAKAGE-CURRENT
OR RESISTANCE MEASUREMENTS TO DETERMINE THAT EXPOSED PARTS ARE
ACCEPTABLY INSULATED FROM THE SUPPLY CIRCUIT.
Z
SERVICE MANUAL
目次
1. 仕様. . .........................................................................................2
2. 寸法図. . .....................................................................................3
3. 動作確認. . .................................................................................4
4. POWER.AMPユニッ トの交換. . ................................................8
5. USB. ド ライバアップデート. . .....................................................8
6. ブロッ クダイアグラム...............................................................9
7. 結線図. . ...................................................................................10
8. 分解図とパーツリス ト. . ..........................................................11
9. 基板図とパーツリス ト. . ..........................................................13
10. 安全部品. . ...............................................................................19
11. 付属品. . ...................................................................................20
D-0028

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Summary of Contents for Teac AI-301DA

  • Page 1: Service Manual

    SERVICE MANUAL AI-301DA USB DAC STEREO INTEGRATED AMPLIFIER Contents 目次 1..Specifications................2 1. 仕様...................2 2..Dimensional.drawings.............3 2. 寸法図..................3 3..Checking.operation..............4 3. 動作確認...................4 4..Power.Amp.Assembly.and.change.guide......8 4. POWER.AMPユニッ トの交換..........8 5..Updating.the.USB.Driver............8 5. USB.

  • Page 2: Specifications

    TEAC AI-301DA 1. Specifications 仕様 Amplifier Section アンプ部 Maximum power output : 20 W + 20 W (JEITA 10%, 1 kHz, 8 Ω) 最大出力 : 20 W＋20 W (JEITA 10% 1kHz 8Ω) 40 W + 40 W (JEITA 10%, 1 kHz, 4 Ω) 40 W＋40 W (JEITA 10% 1kHz 4Ω) Rated power output : 15 W + 15 W (JEITA 1%, 1 kHz, 8 Ω)

  • Page 3: Dimensional.drawings

    TEAC AI-301DA 2. Dimensional drawings 寸法図 - 3 -...

  • Page 4: Checking.operation

    W indows XP、Windows Vista、Windows 7、Windows 8 stalled のいずれかのOSを搭載したPC i TEAC HR Audio Player audio playback software i 音 楽再生ソフトウェア [TEAC HR Audio Player] This can be downloaded from the TEAC website (http://teac. TEACのウェブサイト(http://teac.jp/)から入手可能。 jp/). (上記のPCに、TEAC HR Audio Playerをインストールし (Install TEAC HR Audio Player on the above computer.) て用意しておく) i DSD files i D SDファイル...
  • Page 5 4) T EAC HR Audio Playerから、PCに保存(Fig-1- )してある ) file saved on the computer. DSD(Fig-1- )ファイルを開く。 5) Select the file shown in TEAC HR Audio Player and press the 5) T EAC HR Audio Playerに表示しているファイルを選択し、 PLAY button (Fig-1- [PLAY(再生)]ボタン(Fig-1- )を押す。 6) Gradually turn the VOLUME knob on the front of the unit 6) 前...
  • Page 6 TEAC AI-301DA 4. Checking the COAXIAL input 4. [COAXIAL]入力の確認 1) Connect the coaxial digital output from the CD player to the 1) C Dプレーヤーのデジタル出力[COAXIAL]を本機背面の COAXIAL input connector on the back of this unit. [COAXIAL]入力端子に接続する。 2) Press the SOURCE button on the front of the unit repeatedly 2) 正...
  • Page 7 TEAC AI-301DA 9. Checking the firmware versions (main unit and USB) 9. Firmware Version (本体・USB) 確認 1) Confirm the latest firmware version on the service manual 1) 最新の各ファームウェアバージョンをサービスマニュアル homepage (https://service1.teac.co.jp/). のホームページ(https://service1.teac.co.jp/)で確認する。 2) If the unit is in standby/on, press the standby/on ( ¤ ) button 2) 本...

  • Page 8: Power.amp.assembly.and.change.guide

    Download the latest USB firmware from the service manual i 最 新の[USB]ファームウェアをサービスマニュアルのホー homepage (https://service1.teac.co.jp/) and save the “updata. ム ペ ー ジ(https://service1.teac.co.jp/)か ら 入 手 し、USBメ bin” updater file to a USB flash drive. モリーにアップデートファイル"updata.bin"を保存する。 i Press the unit’s standby/on ( ¤ ) button to turn it on.

  • Page 9: Block.diagram

    TEAC AI-301DA 6. Block Diagram ブロックダイアグラム - 9 -...

  • Page 10: Wiring.diagram

    TEAC AI-301DA 7. Wiring Diagram 結線図 - 10 -...

  • Page 11: Exploded.views.and.parts.list

    TEAC AI-301DA 8. Exploded Views and Parts List 分解図とパーツリスト Ⓕ Ⓔ Ⓔ - 11 -...
  • Page 12 E95505000A PCB ASSY,USB IF K20 G “GA PCBA,USB IF K20 G” on page 19 (E95504600A) PCBA,MAIN AI-301DA DM G “GATHER PCB, AI-301DA” on page 19 3E9023900A PCB ASSY,ICE POWER AMP AH1 (G) (E95504700A) PCBA,FRONT AI-301DA G “GATHER PCB, I/O FRONT” on page 19...

  • Page 13: Pc.boards.and.parts.list

    TEAC AI-301DA 9. PC Boards and Parts List 基板図とパーツリスト GATHER PCB, AI-301DA (Side A) - 13 -...
  • Page 14 TEAC AI-301DA GATHER PCB, AI-301DA (Side B) The portion in the dashed box consists of service parts 注 意 破線部分は、太字品番で発注する補修部品になります。 - 14 - CAUTION that need to be ordered using part numbers in Bold.
  • Page 15 TEAC AI-301DA GATHER PCB, I/O FRONT (Side A) The portion in the dashed box consists of service parts 注 意 破線部分は、太字品番で発注する補修部品になります。 - 15 - CAUTION that need to be ordered using part numbers in Bold.
  • Page 16 TEAC AI-301DA GATHER PCB, MAIN AI-501DA (Side B) The portion in the dashed box consists of service parts 注 意 破線部分は、太字品番で発注する補修部品になります。 - 16 - CAUTION that need to be ordered using part numbers in Bold.
  • Page 17 TEAC AI-301DA GA PCB USB IF K20 G (Side A) The portion in the dashed box consists of service parts 注 意 破線部分は、太字品番で発注する補修部品になります。 - 17 - CAUTION that need to be ordered using part numbers in Bold.
  • Page 18 TEAC AI-301DA GA PCB USB IF K20 G (Side A) The portion in the dashed box consists of service parts 注 意 破線部分は、太字品番で発注する補修部品になります。 - 18 - CAUTION that need to be ordered using part numbers in Bold.

  • Page 19: Safety.parts

    PCBA, MAIN+PHONE DM SV [DM] V00213010A PCBA, MAIN+PHONE T/C SV [T/C] [TM] V00213020A PCBA, MAIN+PHONE EUR SV [KOR] [EUR] (E95504600A) PCBA,MAIN AI-301DA DM G [DM] (E95504610A) PCBA,MAIN AI-301DA T/C G [T/C] [TM] (E95504620A) PCBA,MAIN AI-301DA EUR G [KOR] [EUR] (E95504900A)

  • Page 20: Included.accessories

    OWNERS MNL,J AI-301 G [DM] D01223000B OWNERS MNL,E/F/S AI-301 G [KOR], [T/C], [EUR], [TM] D01223100B OWNERS MNL,GINSV AI-301 G [EUR] E01469600A POWER CORD,PSE TEAC 7A G V [DM] E0178290 POWER CORD,KOR C13 1.8M G V [KOR] V [T/C] 3E014150 POWER CORD,UL-G V [EUR]...

  • Page 21: Schematic Diagram

    SCHEMATIC DIAGRAM USB DAC STEREO INTEGRATED 回路図 AMPLIFIER AI-301DA CONTENTS 目次 VR/PHONE/FRONT PCB ........ 2 MAIN PCB (1/8) ..........3 MAIN PCB (2/8) ..........4 MAIN PCB (3/8) ..........5 MAIN PCB (4/8) ..........6 MAIN PCB (5/8) ..........7 MAIN PCB (6/8) ..........
  • Page 22 VR/PHONE/FRONT PCB SCHEMATIC DIAGRAM AI-301DA AI-301DA - 2 -...
  • Page 23 MAIN PCB (1/8) SCHEMATIC DIAGRAM AI-301DA ℃ 　 　 　 　 　 　 　 　 　 　 　 AI-301DA - 3 -...
  • Page 24 MAIN PCB (2/8) SCHEMATIC DIAGRAM AI-301DA ： AI-301DA - 4 -...
  • Page 25 MAIN PCB (3/8) SCHEMATIC DIAGRAM AI-301DA AI-301DA - 5 -...
  • Page 26 MAIN PCB (4/8) SCHEMATIC DIAGRAM AI-301DA AI-301DA - 6 -...
  • Page 27 MAIN PCB (5/8) SCHEMATIC DIAGRAM AI-301DA AI-301DA - 7 -...

  • Page 28: Main Pcb (6/8)

    MAIN PCB (6/8) SCHEMATIC DIAGRAM AI-301DA AI-301DA - 8 -...

  • Page 29: Main Pcb (7/8)

    MAIN PCB (7/8) SCHEMATIC DIAGRAM AI-301DA 　 　 　 　 AI-301DA - 9 -...

  • Page 30: Main Pcb (8/8)

    MAIN PCB (8/8) SCHEMATIC DIAGRAM AI-301DA AI-301DA - 10 -...

  • Page 31: Usb Pcb (1/2)

    USB PCB (1/2) SCHEMATIC DIAGRAM AI-301DA AI-301DA - 11 -...

  • Page 32: Usb Pcb (2/2)

    USB PCB (2/2) SCHEMATIC DIAGRAM AI-301DA AI-301DA - 12 -...

  • Page 33: Technical Information

    * Regarding detail, please refer to page 3 or after. Working procedure 1. Constant change of PCBA MAIN Change constant of [E95504600A] PCBA,MAIN AI-301DA DM G. 1) R68，R78: Remove [R0170374] RD,1/8W 10K OHM J0805 G [R0170374] RD,1/8W 10K OHM J0805 G 2) R272，R278，R291，R301: 27K ohm ->...
  • Page 34 Page 2 of 13 Important Information for Service Stations and Customers TECHNICAL INFORMATION cp-1510 DATE 15th Jun. 2015 TEAC AI-301DA, Countermeasure of noise PCBA,MAIN AI-301DA DM G MAIN PCBA * (Reverse) Soldering side R68：Remove R78：Remove R272, R278, R291, R301 ：27KΩ -> 10KΩ...
  • Page 35 Important Information for Service Stations and Customers TECHNICAL INFORMATION cp-1510 DATE 15th Jun. 2015 TEAC AI-301DA, Countermeasure of noise 2. Firmware change 1) Check firmware version of unit. a) After power off condition, keep pressing SOURCE button and Standby/ON button for 5 seconds.
  • Page 36 Important Information for Service Stations and Customers TECHNICAL INFORMATION cp-1510 DATE 15th Jun. 2015 TEAC AI-301DA, Countermeasure of noise How to setup NEC MINICUBE2 1. Unzip NEC.zip Note) The following captures were taken under Japanese OS environment. Although I'm sorry for your inconvenience, thank you for your understanding.
  • Page 37 Page 5 of 13 Important Information for Service Stations and Customers TECHNICAL INFORMATION cp-1510 DATE 15th Jun. 2015 TEAC AI-301DA, Countermeasure of noise 4. Start installation with displaying INSTALL Wizard. 5. Popup of license agreement appears, so click Yes.
  • Page 38 Important Information for Service Stations and Customers TECHNICAL INFORMATION cp-1510 DATE 15th Jun. 2015 TEAC AI-301DA, Countermeasure of noise 6. Setup Status is displayed. Please follow the instruction. 7. Installation complete is displayed. Click OK. 8. INSTALL MENU is displayed, so click finish.
  • Page 39 Page 7 of 13 Important Information for Service Stations and Customers TECHNICAL INFORMATION cp-1510 DATE 15th Jun. 2015 TEAC AI-301DA, Countermeasure of noise Configuration of MINICUBE2 <1> PC having USB (PC which QB-programmer is installed.) <2> USB cable (Accessory) <3> MINICUBE2 (Unit) <4>...
  • Page 40 DATE 15th Jun. 2015 TEAC AI-301DA, Countermeasure of noise AI-301DA Setup for writing and how to write 1. SW setting of MINICUBE2 * Caution: When SW of MINICUBE2 is set, remove USB cable!! - Set MODE Select FW to - Set Power Select SW to 3: Supply 3V to MINICUBE2 ->...
  • Page 41 Important Information for Service Stations and Customers TECHNICAL INFORMATION cp-1510 DATE 15th Jun. 2015 TEAC AI-301DA, Countermeasure of noise 5. Setup for Programming When QB-Programmer is started, this setup always should be done. 1) Execute "Device" -> "Setup" from MENU Bar.
  • Page 42 Page 10 of 13 Important Information for Service Stations and Customers TECHNICAL INFORMATION cp-1510 DATE 15th Jun. 2015 TEAC AI-301DA, Countermeasure of noise 4) Setup for Target Device Connection, Supply Oscillator, Operation Mode. Refer to the following capture. Target Device Connection Supply Oscillator...
  • Page 43 Important Information for Service Stations and Customers TECHNICAL INFORMATION cp-1510 DATE 15th Jun. 2015 TEAC AI-301DA, Countermeasure of noise The following capture is MAIN display 6. Selection of Program File 1) Execute "File" -> "Load" from MENU Bar. 2) POPUP of Program File selection appears.
  • Page 44 Important Information for Service Stations and Customers TECHNICAL INFORMATION cp-1510 DATE 15th Jun. 2015 TEAC AI-301DA, Countermeasure of noise 4) If the file reading is finished normally, "Success read HEX file." is displayed and "PASS" is displayed in the lower right of MAIN display.
  • Page 45 Page 13 of 13 Important Information for Service Stations and Customers TECHNICAL INFORMATION cp-1510 DATE 15th Jun. 2015 TEAC AI-301DA, Countermeasure of noise 7. Working for writing Execute Autoprocedure (EPV). Execute "Device" -> " Autoprocedure". Note) It is executed in the following order.
  • Page 46 - SP output and HP output are not changed. Working procedure 1. Constant change of PCBA MAIN Remove the following resistances of [E95504600A] PCBA,MAIN AI-301DA DM G. - R68，R78, R83, R93: Remove [R0170374] RD,1/8W 10K OHM J0805 G [R0170374] RD,1/8W 10K OHM J0805 G...
  • Page 47 Page 2 of 13 Important Information for Service Stations and Customers TECHNICAL INFORMATION TEAC AI-301DA, Countermeasure of output hum noise cp-1510_RevB (Replacement from cp-1510) DATE 3rd Sep. 2015 PCBA,MAIN AI-301DA DM G MAIN PCBA * (Surface) Parts side R93: Remove * (Reverse) Soldering side R68：Remove...
  • Page 48 Page 3 of 13 Important Information for Service Stations and Customers TECHNICAL INFORMATION TEAC AI-301DA, Countermeasure of output hum noise cp-1510_RevB (Replacement from cp-1510) DATE 3rd Sep. 2015 2. Firmware change 1) Check firmware version of unit. a) After power off condition, keep pressing SOURCE button and Standby/ON button for 5 seconds.
  • Page 49 Page 4 of 13 Important Information for Service Stations and Customers TECHNICAL INFORMATION TEAC AI-301DA, Countermeasure of output hum noise cp-1510_RevB (Replacement from cp-1510) DATE 3rd Sep. 2015 How to setup NEC MINICUBE2 1. Unzip NEC.zip Note) The following captures were taken under Japanese OS environment.
  • Page 50 Page 5 of 13 Important Information for Service Stations and Customers TECHNICAL INFORMATION TEAC AI-301DA, Countermeasure of output hum noise cp-1510_RevB (Replacement from cp-1510) DATE 3rd Sep. 2015 4. Start installation with displaying INSTALL Wizard. 5. Popup of license agreement appears, so click Yes.
  • Page 51 Page 6 of 13 Important Information for Service Stations and Customers TECHNICAL INFORMATION TEAC AI-301DA, Countermeasure of output hum noise cp-1510_RevB (Replacement from cp-1510) DATE 3rd Sep. 2015 6. Setup Status is displayed. Please follow the instruction. 7. Installation complete is displayed. Click OK.
  • Page 52 Page 7 of 13 Important Information for Service Stations and Customers TECHNICAL INFORMATION TEAC AI-301DA, Countermeasure of output hum noise cp-1510_RevB (Replacement from cp-1510) DATE 3rd Sep. 2015 Configuration of MINICUBE2 <1> PC having USB (PC which QB-programmer is installed.) <2>...
  • Page 53 TEAC AI-301DA, Countermeasure of output hum noise cp-1510_RevB (Replacement from cp-1510) DATE 3rd Sep. 2015 AI-301DA Setup for writing and how to write 1. SW setting of MINICUBE2 * Caution: When SW of MINICUBE2 is set, remove USB cable!! - Set MODE Select FW to - Set Power Select SW to 3: Supply 3V to MINICUBE2 ->...
  • Page 54 Page 9 of 13 Important Information for Service Stations and Customers TECHNICAL INFORMATION TEAC AI-301DA, Countermeasure of output hum noise cp-1510_RevB (Replacement from cp-1510) DATE 3rd Sep. 2015 5. Setup for Programming When QB-Programmer is started, this setup always should be done.
  • Page 55 Page 10 of 13 Important Information for Service Stations and Customers TECHNICAL INFORMATION TEAC AI-301DA, Countermeasure of output hum noise cp-1510_RevB (Replacement from cp-1510) DATE 3rd Sep. 2015 4) Setup for Target Device Connection, Supply Oscillator, Operation Mode. Refer to the following capture.
  • Page 56 Page 11 of 13 Important Information for Service Stations and Customers TECHNICAL INFORMATION TEAC AI-301DA, Countermeasure of output hum noise cp-1510_RevB (Replacement from cp-1510) DATE 3rd Sep. 2015 The following capture is MAIN display 6. Selection of Program File 1) Execute "File" -> "Load" from MENU Bar.
  • Page 57 Page 12 of 13 Important Information for Service Stations and Customers TECHNICAL INFORMATION TEAC AI-301DA, Countermeasure of output hum noise cp-1510_RevB (Replacement from cp-1510) DATE 3rd Sep. 2015 4) If the file reading is finished normally, "Success read HEX file." is displayed and "PASS" is displayed...
  • Page 58 Page 13 of 13 Important Information for Service Stations and Customers TECHNICAL INFORMATION TEAC AI-301DA, Countermeasure of output hum noise cp-1510_RevB (Replacement from cp-1510) DATE 3rd Sep. 2015 7. Working for writing Execute Autoprocedure (EPV). Execute "Device" -> " Autoprocedure".
  • Page 59 PC by USB. As this countermeasure, case terminal of USB connector is connected to signal GND for GND enhancement of USB PCB which is used on UD-301/AI-301DA. Note: Target is the following Rev A PCB. Reworking of Rev B PCB is not needed.
  • Page 60 Countermeasure of soldering failure of filter part DATE 10th Jun. 2016 Target model AI-301DA-B / AI-301DA-S / AI-301DA-SP/B / AI-301DA-SP/S / UD-301-B /UD-301-S / UD-501-B / UD-501-S Failure confirmed Mounting the EMI filter parts of the design change that was implemented for the August, 2015 or later products was started.
  • Page 61 Page 2 of 4 Important Information for Service Stations and Customers TECHNICAL INFORMATION TEAC consumer equipment: 8 products, cp-1609 Countermeasure of soldering failure of filter part DATE 10th Jun. 2016 [1] AI-301DA-B Expected failure symptom COAXIAL communication is not available in case of non-soldering (August, 2015 or later) 018LOT（S/N: 0180001-）...
  • Page 62 Page 3 of 4 Important Information for Service Stations and Customers TECHNICAL INFORMATION TEAC consumer equipment: 8 products, cp-1609 Countermeasure of soldering failure of filter part DATE 10th Jun. 2016 [5] UD-301-B Expected failure symptom COAXIAL communication is not available...
  • Page 63 Page 4 of 4 Important Information for Service Stations and Customers TECHNICAL INFORMATION TEAC consumer equipment: 8 products, cp-1609 Countermeasure of soldering failure of filter part DATE 10th Jun. 2016 [7] UD-501-B Expected failure symptom COAXIAL communication is not available...
  • Page 64 Page 1 of 12 Important Information for Service Stations and Customers TECHNICAL INFORMATION TEAC AI-301DA, Improvement of Auto Standby function cp-1701 by Digital input (FW: Ver 8) DATE 15th Feb. 2017 Target model AI-301DA / AI-301DA-SP Failure contents Auto Standby function by Digital input does not work correctly.
  • Page 65 Page 2 of 12 Important Information for Service Stations and Customers TECHNICAL INFORMATION TEAC AI-301DA, Improvement of Auto Standby function cp-1701 by Digital input (FW: Ver 8) DATE 15th Feb. 2017 2. Update unit firmware to Version 8. For updating firmware, ROM writer (MINICUBE2) and exchange JIG are needed.
  • Page 66 Page 3 of 12 Important Information for Service Stations and Customers TECHNICAL INFORMATION TEAC AI-301DA, Improvement of Auto Standby function cp-1701 by Digital input (FW: Ver 8) DATE 15th Feb. 2017 How to setup NEC MINICUBE2 1. Unzip NEC.zip Note) The following captures were taken under Japanese OS environment.
  • Page 67 Page 4 of 12 Important Information for Service Stations and Customers TECHNICAL INFORMATION TEAC AI-301DA, Improvement of Auto Standby function cp-1701 by Digital input (FW: Ver 8) DATE 15th Feb. 2017 4. Start installation with displaying INSTALL Wizard. 5. Popup of license agreement appears, so click Yes.
  • Page 68 Page 5 of 12 Important Information for Service Stations and Customers TECHNICAL INFORMATION TEAC AI-301DA, Improvement of Auto Standby function cp-1701 by Digital input (FW: Ver 8) DATE 15th Feb. 2017 6. Setup Status is displayed. Please follow the instruction.
  • Page 69 Page 6 of 12 Important Information for Service Stations and Customers TECHNICAL INFORMATION TEAC AI-301DA, Improvement of Auto Standby function cp-1701 by Digital input (FW: Ver 8) DATE 15th Feb. 2017 Configuration of MINICUBE2 <1> PC having USB (PC which QB-programmer is installed.) <2>...
  • Page 70 Digital input (FW: Ver 8) DATE 15th Feb. 2017 AI-301DA Setup for writing and how to write 1. SW setting of MINICUBE2 * Caution: When SW of MINICUBE2 is set, remove USB cable!! - Set MODE Select FW to - Set Power Select SW to 3: Supply 3V to MINICUBE2 ->...
  • Page 71 Page 8 of 12 Important Information for Service Stations and Customers TECHNICAL INFORMATION TEAC AI-301DA, Improvement of Auto Standby function cp-1701 by Digital input (FW: Ver 8) DATE 15th Feb. 2017 5. Setup for Programming When QB-Programmer is started, this setup always should be done.
  • Page 72 Page 9 of 12 Important Information for Service Stations and Customers TECHNICAL INFORMATION TEAC AI-301DA, Improvement of Auto Standby function cp-1701 by Digital input (FW: Ver 8) DATE 15th Feb. 2017 4) Setup for Target Device Connection, Supply Oscillator, Operation Mode.
  • Page 73 Page 10 of 12 Important Information for Service Stations and Customers TECHNICAL INFORMATION TEAC AI-301DA, Improvement of Auto Standby function cp-1701 by Digital input (FW: Ver 8) DATE 15th Feb. 2017 The following capture is MAIN display 6. Selection of Program File 1) Execute "File"...
  • Page 74 Page 11 of 12 Important Information for Service Stations and Customers TECHNICAL INFORMATION TEAC AI-301DA, Improvement of Auto Standby function cp-1701 by Digital input (FW: Ver 8) DATE 15th Feb. 2017 4) If the file reading is finished normally, "Success read HEX file." is displayed and "PASS" is displayed in the lower right of MAIN display.
  • Page 75 Page 12 of 12 Important Information for Service Stations and Customers TECHNICAL INFORMATION TEAC AI-301DA, Improvement of Auto Standby function cp-1701 by Digital input (FW: Ver 8) DATE 15th Feb. 2017 7. Working for writing Execute Autoprocedure (EPV). Execute "Device" -> " Autoprocedure".

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