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Important Information for Service Stations and Customers 

TECHNICAL INFORMATION 

No.

           

cp-1701

 

DATE 

  15th Feb. 2017 

TEAC AI-301DA, Improvement of Auto Standby function 
by Digital input (FW: Ver 8) 

 

Target model 

 
AI-301DA / AI-301DA-SP 

 
 

Failure contents 

 

Auto Standby function by Digital input does not work correctly. 
In case of Auto Standby, sound playback by receiving Digital input from external does not start correctly 
occurs in rare case. 
 
 

Countermeasure 

 

Update unit firmware to Version 8. 

Note) If Tech Info (cp-1510_RevB) regarding countermeasure of output hum noise has not been 

implemented, please implement it together. 

 

 

Working procedure 

 

1. Check firmware version of unit. 

  a) After power off condition, keep pressing SOURCE button and Standby/ON button for 5 seconds. 

  b) After that, even if each buttons are released, unit firmware version is displayed to the input 

indicator.

 

 

Input indicator 

 

 LINE2 

lighting: 

         

     Version 1 

 

 LINE1 

lighting: 

         

     Version 2 

 

 

LINE1 + LINE2    lighting:

 

     Version 3 

 

 OPTICAL 

lighting:

         

   Version 4 

 

 

O LINE2 lighting:     Version 5 

 

 

O LINE1 lighting:     Version 6 

 

 

O LINE1 + LINE2 lighting:    Version 7 

                  COAXIAL lighting:                          Version 8 

 

For your information, each firmware version can be checked on the condition below. 

USB firmware version check: On the condition that SOURCE button is ON without installing headphone jack. 

Bluetooth firmware version check: On the condition that SOURCE button is OFF with installing headphone jack. 

 

 

 

 

Содержание AI-301DA

Страница 1: ...THAT EXPOSED PARTS ARE ACCEPTABLY INSULATED FROM THE SUPPLY CIRCUIT 1 2 2 3 3 4 4 POWER AMP 8 5 USB 8 6 9 7 10 8 11 9 13 10 19 11 20 Contents 1 Specifications 2 2 Dimensional drawings 3 3 Checking ope...

Страница 2: ...luetooth Bluetooth version V2 1 EDR Output Class 2 Supported profiles A2DP AVRCP Headphones output Rated output 100 mW 100 mW 32 1 kHz Total harmonic distortion 0 005 General Power supply Model for Eu...

Страница 3: ...3 TEAC AI 301DA 2 Dimensional drawings...

Страница 4: ...nes with a 6 3mm stereo plug i i Turn this unit s 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 t...

Страница 5: ...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 Bluet...

Страница 6: ...urn 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...

Страница 7: ...sed You can temporarily switch to showing the USB firmware ver sion by pressing and holding the SOURCE button i i Switching the firmware display SOURCE button Not pressed Main unit firmware version Pr...

Страница 8: ...nit repeatedly until the USB input indicator LED lights After a while confirm that the USB input indicator LED is blink ing and press the unit s standby on button to turn it off 2 Update procedures 1...

Страница 9: ...9 TEAC AI 301DA 6 Block Diagram 1 7 0 86 B3 3 21 3 0 1 3 95 3 5217 3 1387 6 7 32 5B6 3 21 6 U...

Страница 10: ...10 TEAC AI 301DA 7 Wiring Diagram...

Страница 11: ...11 TEAC AI 301DA 8 Exploded Views and Parts List rD rE rD D E p...

Страница 12: ...51800C CHASSIS BTM AI301 G 1 16 M03652500C PANEL SIDE 301 G 2 17 B00318908A SCREW YHB 3 8 FNI G 8 18 M03652600A COVER BT AI301 G 1 19 M03669200A FOOT D35 H8 S RUB G 4 20 M0358050 NUT M12 2 3 G 1 21 B0...

Страница 13: ...13 TEAC AI 301DA 9 PC Boards and Parts List GATHER PCB AI 301DA Side A...

Страница 14: ...TEAC AI 301DA 14 CAUTION The portion in the dashed box consists of service parts that need to be ordered using part numbers in Bold GATHER PCB AI 301DA Side B...

Страница 15: ...TEAC AI 301DA 15 CAUTION The portion in the dashed box consists of service parts that need to be ordered using part numbers in Bold GATHER PCB I O FRONT Side A...

Страница 16: ...TEAC AI 301DA 16 CAUTION The portion in the dashed box consists of service parts that need to be ordered using part numbers in Bold GATHER PCB MAIN AI 501DA Side B...

Страница 17: ...TEAC AI 301DA 17 CAUTION The portion in the dashed box consists of service parts that need to be ordered using part numbers in Bold GA PCB USB IF K20 G Side A...

Страница 18: ...TEAC AI 301DA 18 CAUTION The portion in the dashed box consists of service parts that need to be ordered using part numbers in Bold GA PCB USB IF K20 G Side A...

Страница 19: ...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 PCBA PHONE AI 301DA G GATHER PCB I O F...

Страница 20: ...ark can be used only with the version designated JPN JAPAN T C U S A CANADA KOR KOREA EUR EUROPE UK U K JEX JAPAN ASIA AUS AUSTRALIA TM TAIWAN CHI CHINA ETC U S A CANADA South America 0 0 0 0 0 0 0 0...

Страница 21: ...TEGRATED AMPLIFIER AI 301DA 1st lssue April 2014 D 0027 CONTENTS 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 8 MAIN PCB 7 8 9 MAIN PCB...

Страница 22: ...2 SCHEMATIC DIAGRAM AI 301DA AI 301DA 1 2 3 4 5 6 7 8 A B C D E Z VR PHONE FRONT PCB 3 5217 3 95 3 3 21...

Страница 23: ...M AI 301DA AI 301DA 1 2 3 4 5 6 7 8 A B C D E Z MAIN PCB 1 8 RXQWU 7UDQV XPSHU 0 HOORZ 7 HOORZ 85 OXH 0 9 8 0 Q Q Q Q Q Q Q Q Q Q Q Q Q Q Q Q Q Q Q 32 5 03 02 8 32 5B 6 32 5 03 2 32 5 X LOLDU 6XSSO 3...

Страница 24: ...4 SCHEMATIC DIAGRAM AI 301DA AI 301DA 1 2 3 4 5 6 7 8 A B C D E Z MAIN PCB 2 8 9 8 00...

Страница 25: ...5 SCHEMATIC DIAGRAM AI 301DA AI 301DA 1 2 3 4 5 6 7 8 A B C D E Z MAIN PCB 3 8 68 22 5 287 63 5 287 32 5B 6 32 5 03 02 8 5FK 32 5 03 2 3 3 6 3 9 3 3...

Страница 26: ...6 SCHEMATIC DIAGRAM AI 301DA AI 301DA 1 2 3 4 5 6 7 8 A B C D E Z MAIN PCB 4 8...

Страница 27: ...7 SCHEMATIC DIAGRAM AI 301DA AI 301DA 1 2 3 4 5 6 7 8 A B C D E Z MAIN PCB 5 8 IRU 7 8SGDWH 86 RU HEXJJHU SRUW IRU 7 8SGDWH 63 65 9 6 6 86 63 RQYHUWHU...

Страница 28: ...8 SCHEMATIC DIAGRAM AI 301DA AI 301DA 1 2 3 4 5 6 7 8 A B C D E Z MAIN PCB 6 8 9 0 9 P...

Страница 29: ...9 SCHEMATIC DIAGRAM AI 301DA AI 301DA 1 2 3 4 5 6 7 8 A B C D E Z MAIN PCB 7 8 P P 9 P P 3 21 287...

Страница 30: ...10 SCHEMATIC DIAGRAM AI 301DA AI 301DA 1 2 3 4 5 6 7 8 A B C D E Z MAIN PCB 8 8 25 92 80 RU 3 1387 6 RU ULWHU RU HEXJ 5 7 5 8 5 1 0 2 1 9 5 6 7 5 6 7 5 BG 9 7 7 5 BZ 1 0 2 BZ 567B 1...

Страница 31: ...37 63 B6 1 63 B3 6 B 1 B 7 03 B287 X 8 1 0 1 1 287 5 9 S X X 5 5 X 5 9 5 X 5 3257 8 0 1 0 B 4 3 3 37 B6 76 B 63 B3 6 3 B 75 B 1 B 7 6 B7 37 B6 76 B 63 B3 6 8 57 B576 70 B B 1 B 7 6 B7 37 B6 76 B 63 B...

Страница 32: ...B0 5 86 B67 786 3B 6 X 4 10 7 8 10 PP 5 10 5 10 3 10 PP 8 10 61 9 7 2 9 1 2 7 73B PP7 4 7 8 3 3 PP 10 B32 5B B 6 3 5 10 4 7 8 5 10 4 7 8 X 5 5 10 5 10 5 5 7 73B PP7 5 5 5 5 5 10 5 5 S 10 1 6 0 67 1 28...

Страница 33: ...R_IC can cover the shortage By this countermeasure the noise level becomes very little 1 Constant change of PCBA MAIN 1 R68 R78 Remove 2 R272 R278 R291 R301 27K ohm 10K ohm 2 Firmware change Update un...

Страница 34: ...n for Service Stations and Customers TECHNICAL INFORMATION No cp 1510 DATE 15th Jun 2015 TEAC AI 301DA Countermeasure of noise PCBA MAIN AI 301DA DM G Reverse Soldering side R272 R278 R291 R301 27K 10...

Страница 35: ...ersion 5 OPTICAL LINE1 lighting Version 6 OPTICAL LINE1 LINE2 lighting Version 7 For your information each firmware version can be checked on the condition below USB firmware version check On the cond...

Страница 36: ...p_v222_j exe file in unzipped folder Start installation to PC with double clicking Wait for while Selection menu for INSTALL FILE appears Enter check mark and click INSTALL button 1 Select all 2 Click...

Страница 37: ...ion for Service Stations and Customers TECHNICAL INFORMATION No cp 1510 DATE 15th Jun 2015 TEAC AI 301DA Countermeasure of noise 4 Start installation with displaying INSTALL Wizard 5 Popup of license...

Страница 38: ...s and Customers TECHNICAL INFORMATION No 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...

Страница 39: ...01DA Countermeasure of noise Minicube Adapter Unit CPU Debug terminal 1 PC having USB PC which QB programmer is installed 2 USB cable Accessory 3 MINICUBE2 Unit 4 16 pin Target Cable Accessory 5 Conve...

Страница 40: ...W to 3 Reference 3 Supply 3V to MINICUBE2 PCBA 5 Supply 5V to MINICUBE2 PCBA T PCBA Power is used 2 Connection order Connect each Cable on the condition that PCBA power is OFF 1 Connect PCBA with conv...

Страница 41: ...measure of noise 5 Setup for Programming When QB Programmer is started this setup always should be done 1 Execute Device Setup from MENU Bar 2 POPUP of Device Setup Dialog appears Click Standard 3 Cli...

Страница 42: ...ing capture Command Options Check to Blank Check Before Erase and Read verify after Program Security Settings Boot Block end Set 003 6 Click Ok Programming setup is completed and return to Main displa...

Страница 43: ...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...

Страница 44: ...Stations and Customers TECHNICAL INFORMATION No 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...

Страница 45: ...MODE LED of MINICUBE2 lights to Green and PASS is displayed in the lower right of MAIN display When writing is executed countermeasure against static electricity should be secured Command and Status...

Страница 46: ...le Please implement H W change of 1 and F W change of 2 at the same time If either change is implemented Level becomes not to be matched 1 Constant change of PCBA MAIN R68 R78 R83 R93 Remove 2 Firmwar...

Страница 47: ...Customers TECHNICAL INFORMATION No cp 1510_RevB DATE 3rd Sep 2015 TEAC AI 301DA Countermeasure of output hum noise Replacement from cp 1510 PCBA MAIN AI 301DA DM G Surface Parts side Reverse Soldering...

Страница 48: ...CAL LINE2 lighting Version 5 OPTICAL LINE1 lighting Version 6 OPTICAL LINE1 LINE2 lighting Version 7 For your information each firmware version can be checked on the condition below USB firmware versi...

Страница 49: ...EC zip 2 There is qbp_v222_j exe file in unzipped folder Start installation to PC with double clicking Wait for while Selection menu for INSTALL FILE appears Enter check mark and click INSTALL button...

Страница 50: ...ions and Customers TECHNICAL INFORMATION No cp 1510_RevB DATE 3rd Sep 2015 TEAC AI 301DA Countermeasure of output hum noise Replacement from cp 1510 4 Start installation with displaying INSTALL Wizard...

Страница 51: ...NICAL INFORMATION No cp 1510_RevB DATE 3rd Sep 2015 TEAC AI 301DA Countermeasure of output hum noise Replacement from cp 1510 6 Setup Status is displayed Please follow the instruction 7 Installation c...

Страница 52: ...ure of output hum noise Replacement from cp 1510 Minicube Adapter Unit CPU Debug terminal 1 PC having USB PC which QB programmer is installed 2 USB cable Accessory 3 MINICUBE2 Unit 4 16 pin Target Cab...

Страница 53: ...2 Set Power Select SW to 3 Reference 3 Supply 3V to MINICUBE2 PCBA 5 Supply 5V to MINICUBE2 PCBA T PCBA Power is used 2 Connection order Connect each Cable on the condition that PCBA power is OFF 1 Co...

Страница 54: ...t hum noise Replacement from cp 1510 5 Setup for Programming When QB Programmer is started this setup always should be done 1 Execute Device Setup from MENU Bar 2 POPUP of Device Setup Dialog appears...

Страница 55: ...Refer to the following capture Command Options Check to Blank Check Before Erase and Read verify after Program Security Settings Boot Block end Set 003 6 Click Ok Programming setup is completed and r...

Страница 56: ...015 TEAC AI 301DA Countermeasure of output hum noise Replacement from cp 1510 The following capture is MAIN display 6 Selection of Program File 1 Execute File Load from MENU Bar 2 POPUP of Program Fil...

Страница 57: ...rs TECHNICAL INFORMATION No cp 1510_RevB DATE 3rd Sep 2015 TEAC AI 301DA Countermeasure of output hum noise Replacement from cp 1510 4 If the file reading is finished normally Success read HEX file is...

Страница 58: ...is finished normally MODE LED of MINICUBE2 lights to Green and PASS is displayed in the lower right of MAIN display When writing is executed countermeasure against static electricity should be secured...

Страница 59: ...gnal 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 E90505000A PCB USB IF K20 G Reworking is needed E90...

Страница 60: ...oat of the other side if the changed filter shifts to one side of PCB pad because the changed filter size is smaller than the previous filter Regarding this issue effected products range is wide so th...

Страница 61: ...soldering COAXIAL communication is not available Target LOT September 2015 or later 018LOT S N 0180401 Reworded LOT March 2016 S N 0210101 PCBA used E95504600A PCBA MAIN AI 301DA DM G Target location...

Страница 62: ...n is not available Target LOT August 2015 or later S N 0150101 Reworded LOT March 2016 or later 020LOT S N 0200001 PCBA used E95505200A PCB ASSY MAIN UD 301 G Target location number FB1 Target is 1poi...

Страница 63: ...available Target LOT August 2015 or later 037LOT S N 0370001 Reworded LOT April 2016 or later 164LOT S N 1640001 PCBA used E95467600A PCBA MAIN UD501 G Target location number FB1 FB2 Target are 2poin...

Страница 64: ...t together Working procedure 1 Check firmware version of unit a After power off condition keep pressing SOURCE button and Standby ON button for 5 seconds b After that even if each buttons are released...

Страница 65: ...Ver 8 2 Update unit firmware to Version 8 For updating firmware ROM writer MINICUBE2 and exchange JIG are needed Install conversion JIG 8 pin connector to connector P8 on MAIN PCBA Needed item for wr...

Страница 66: ...C zip 2 There is qbp_v222_j exe file in unzipped folder Start installation to PC with double clicking Wait for while Selection menu for INSTALL FILE appears Enter check mark and click INSTALL button 1...

Страница 67: ...tions and Customers TECHNICAL INFORMATION No cp 1701 DATE 15th Feb 2017 TEAC AI 301DA Improvement of Auto Standby function by Digital input FW Ver 8 4 Start installation with displaying INSTALL Wizard...

Страница 68: ...HNICAL INFORMATION No cp 1701 DATE 15th Feb 2017 TEAC AI 301DA Improvement of Auto Standby function by Digital input FW Ver 8 6 Setup Status is displayed Please follow the instruction 7 Installation c...

Страница 69: ...Auto Standby function by Digital input FW Ver 8 Minicube Adapter Unit CPU Debug terminal 1 PC having USB PC which QB programmer is installed 2 USB cable Accessory 3 MINICUBE2 Unit 4 16 pin Target Cabl...

Страница 70: ...Set Power Select SW to 3 Reference 3 Supply 3V to MINICUBE2 PCBA 5 Supply 5V to MINICUBE2 PCBA T PCBA Power is used 2 Connection order Connect each Cable on the condition that PCBA power is OFF 1 Con...

Страница 71: ...function by Digital input FW Ver 8 5 Setup for Programming When QB Programmer is started this setup always should be done 1 Execute Device Setup from MENU Bar 2 POPUP of Device Setup Dialog appears C...

Страница 72: ...Refer to the following capture Command Options Check to Blank Check Before Erase and Read verify after Program Security Settings Boot Block end Set 003 6 Click Ok Programming setup is completed and re...

Страница 73: ...TEAC AI 301DA Improvement of Auto Standby function by Digital input FW Ver 8 The following capture is MAIN display 6 Selection of Program File 1 Execute File Load from MENU Bar 2 POPUP of Program Fil...

Страница 74: ...o cp 1701 DATE 15th Feb 2017 TEAC AI 301DA Improvement of Auto Standby function by Digital input FW Ver 8 4 If the file reading is finished normally Success read HEX file is displayed and PASS is disp...

Страница 75: ...s finished normally MODE LED of MINICUBE2 lights to Green and PASS is displayed in the lower right of MAIN display When writing is executed countermeasure against static electricity should be secured...

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