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Teac AI-301DA, Service Manual

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Teac AI-301DA Service Manual Download Page 65

Page 2 of 

12 

 
 

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) 

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 writing] 

- FLASH ROM Writer:

 

MINICUBE2 

 

- Conversion JIG 

（

16pin - 8pin conversion cable

）

 

 

- PC 

 

- Software

： 

Programming GUI(QB-Programmer) and parameter file(78F0527A.prm) 

 

- Writing data (Program file) :

 AI-301DA_V8.hex

 

 
 
 

Summary of Contents for AI-301DA

Page 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...

Page 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...

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

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

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

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

Page 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...

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

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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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