Roland BOSS Chromatic Tuner TU-3 Service Notes Download

Page: 18 / 20

TU-3

Dec. 2009

Circuit Diagram (Analog, Input, Output, SW Board)

fig.d-Analog-e.eps@L

AGND

A+4

AGND

A+8

AGND

A+4

AGND

A+8

AGND

A+8

AGND

A+8

AGND

D+5.0

DGND

AGND

DGND

A+8

C504

0.1uF

2SC4738-GR(TE85L.F)

Q500

10000pF

C512

NJM2882F05-TE1

IC500

VIN

CTRL

GND

N-BP

VOUT

47k

R502

100k

R507

C508

UnPop

D500

GS1G-M4

TP508

D502

1SS387(TPH3.F)

R519

R520

UnPop

TP35

DTC114TUAT106

Q504

0.047uF

C517

D503

SS14

2SK879-Y(TE85R.F)

Q505

D501

1SS387(TPH3.F)

TP502

1SS362FV(TPL3)

D504

TP509

0.1uF

C505

TP517

D ( 0.5% )

10k

R515

TP526

2.2M

R524

4.7k

R525

1uF

C519

ECPU1C105KAC

UDZS TE-17 9.1B

D505

TP518

0.047uF

C516

TP510

2SK880-GR(TE85R.F)

Q508

TP506

TP547

D ( 0.5% )

10k

R514

TP503

TP500

R526

C507

0.1uF

Q507

QS5U27TR(PB

10k

R528

DTC114TUAT106

Q503

TP504

47k

R503

R527

C506

0.1uF

TP513

2SK879-Y(TE85R.F)

Q506

TP515

330k

R531

47k

R504

TP523

R517

UnPop

220

R532

RTT06 221 J

C500
47uF

16V

C502

47uF

16V

C510

100uF

16V

C513
10uF

16V

C518
47uF

25V

R550

C577

UnPop

C503
10uF

16V

TP542

TP541

TP545

S-8520A

IC501

VIN

ON/_OFF

VSS

VOUT

EXT

R570

C520
10uF

16V

KM02018ABM1P

JK503

2
3
1
5
4

KM02018ABM1P

JK502

2
3
1
5
4

HTJ-064-13D

JK3

C501

100uF

16V

TP530

TP27

TP38

TP37

TP552

TP554

TP553

TP555

TP505

TP520

TP507

TP514

R577

R530

TP595

TP593

Blue

Black

ANALOG BOARD

006P

INPUT BOARD

INPUT

DC OUT

DC IN

Red

Battery

ack

Shield

R517,R520

1608

2012

3216

1608

shortcut on the board

Summary of Contents for BOSS Chromatic Tuner TU-3

Page 1: ...able of Contents Cautionary Notes 2 Specifications 2 Location of Controls 3 Location of Controls Parts List 3 Exploded View 4 Exploded View Parts List 5 Parts List 6 Verifying the Version Numbers 8 Data Backup and Restore Operations 8 Performing a Factory Reset 8 Updating the System 8 Test Mode 9 Circuit Board Panel Analog Input Output SW Board 14 Circuit Diagram Panel Board 16 Circuit Diagram Ana...

Page 2: ...an abbreviation for Not in Use and UnPop is an abbreviation for Unpopulated They both mean non mounted components The circuit board and circuit board diagram show silk screened indications but no components are mounted Specifications TU 3 Chromatic Tuner Tuning Range C0 16 35Hz C8 4186Hz Reference Pitch A4 436 445 Hz 1Hz step Tuning Accuracy 1 cent Power Supply DC 9 V Dry battery 6F22 9 V type car...

Page 3: ...1 6 01903234 6 5MM JACK HTJ 064 13D 1 5100003918 JACK NUT M9X12X2 NI RTC H5039510R0 1 5100003926 WASHER 9X13 5X0 5T NI H5039158R0 1 7 5100001342 6 5MM JACK HTJ 064 12IMP 13449155R1 2 5100003918 JACK NUT M9X12X2 NI RTC H5039510R0 2 5100003926 WASHER 9X13 5X0 5T NI H5039158R0 2 8 5100007512 THUMB SCREW H5029820R0 1 9 5100008545 PEDAL 1 10 5100008294 PEDAL PLATE 22357304R0 1 11 5100007408 LED F533953...

Page 4: ...4 TU 3 Dec 2009 Exploded View fig bunkaizu eps 1 0 5 MAX2 MAX2 M A X 0 3 0 12 13 21 21 22 22 22 23 20 2 20 1 15 14 10 11 16 17 19 18 9 7 1 2 1 2 8 7 3 5 4 4 6 24 25 26 28 27 ...

Page 5: ...TION SEAL PSA FCC EMI G2537516R2 1 15 LABEL SERIAL 5X25 SIL BLK RTC 1 16 5100008092 PLAIN WASHER 3X6X0 5 RESIN RTC H5039708R0 2 17 40010267 BINDING SCREW M3X10 FE BZC 2 18 5100007512 THUMB SCREW H5029820R0 1 19 5100008240 SCREW 3X12 H5029842R0 HEXSOCKET TAPTITE P BZC 4 20 1 5100007965 SCREW 3X6 H5029325R0 PAN TAPPING B1 BZC 4 20 2 5100007965 SCREW 3X6 H5029325R0 PAN TAPPING B1 BZC 1 21 5100003918 ...

Page 6: ... PUSH JM 0404 1 JACK EXT TERMINAL 04908701 ADAPTOR JACK KM02018ABM1P 2 01903234 6 5MM JACK HTJ 064 13D 1 5100001342 6 5MM JACK HTJ 064 12IMP 13449155R1 2 PWB ASSY 5100005959 PANEL SHEET ASSY 1 This unit includes the following parts PANEL BOARD ASSY 1 ANALOG BOARD ASSY 1 INPUT BOARD ASSY 1 OUTPUT BOARD ASSY 1 SW BOARD ASSY 1 DIODE 5100006345 LED KCSA04 104 1 5100009104 LED KPTL 3216SYCK 2 510000740...

Page 7: ...R0 1 5100007504 COIL SPRING 22177109R0 1 5100007505 PEDAL GUIDE BUSH 22157702R0 1 5100010361 BATTERY SNAP 1 5100007503 BATTERY CUSHION 22267333R0 1 5100006631 CAUTION SEAL PSA FCC EMI G2537516R2 1 5100008238 PSA CAUTION G2537401R0 1 ACCESSORIES Standard 5100007386 OWNER S MANUAL JAPANESE ENGLISH 1 ...

Page 8: ...n and switch on the power by inserting a plug into the INPUT jack The green light at the center of the meter lights up 2 Within approximately 3 seconds press the MODE button again The green light at the center of the meter flashes three times the factory default settings are restored and the unit returns to its normal mode If several seconds elapse without the MODE button being pressed or if any b...

Page 9: ...Bu Entering the Test Mode 1 Referring to the figure below connect the equipment at all points except the INPUT jack fig test Connect e eps 2 Hold down the MODE and STREAM CENT buttons and insert the plug into the INPUT jack Quitting the Test Mode Disconnect the plug from the INPUT jack Because disconnecting the plug from the INPUT jack while testing is in progress switches off the power interposin...

Page 10: ... of the decimal point appears on the seven segment LED display fig test 1 0 eps 4 Depress the pedal to advance to the next test 2 LED and Current consumption Check 1 Verify that the connections and signal input are as shown below INPUT 200 Hz 1 0 Vp p rectangular wave OUTPUT Oscilloscope channel 1 BYPASS Oscilloscope channel 2 Oscilloscope settings 0 5 V div 1 0 ms div coupling DC 2 The LEDs on th...

Page 11: ...se meter DIN audio BYPASS N A 7 Verify that the noise meter value OUTPUT mute level is 90 dBu or less 4 TUNER Operation Check 1 Depress the pedal and verify that the CHECK LED lights up 2 Press the MODE button several times to make CHROMATIC light up 3 Connect audio output from the computer to the INPUT jack via the attenuator tool 4 Play 1C0_JUST WAV on the computer A 16 352 Hz sine wave at 50 dB...

Page 12: ...nge the connections as shown below INPUT 47 kΩ dummy plug Connect this directly to the INPUT jack OUTPUT Monitor amp BYPASS Monitor amp 4 Depress the pedal several times and verify that no switching noise occurs 6 DC OUT Check 1 Change the connections as shown below INPUT Computer output OUTPUT N A BYPASS N A 2 Connect an AC adaptor PSA series device directly to DC IN 3 Verify the following Voltag...

Page 13: ...13 TU 3 Dec 2009 ...

Page 14: ...14 TU 3 Dec 2009 Circuit Board Panel Analog Input Output SW Board fig b Panel 1 eps ...

Page 15: ...15 TU 3 Dec 2009 fig b Panel 2 eps ...

Page 16: ...TP104 E EXB28V821JX EXB28V821JX RA5 1 8 6 5 4 3 2 7 EXB28V821JX RA1 1 8 6 5 4 3 2 7 EXB28V821JX RA3 1 8 6 5 4 3 2 7 0 47uF C33 10uF C34 D 0 5 10k R36 D 0 5 10k R35 27k R6 C30 C31 R3 R3 MB95F108ANSPMC IC2 21 _RST 14 X0 15 X1 20 PG1 X0A 19 PG2 X1A 30 P10 UI0 31 P11 UO0 32 P12 UCK0 33 P13 TRG0 ADTG 34 P14 PPG0 35 P20 PPG00 36 P21 PPG01 37 P22 TO00 38 P23 TO01 39 P24 EC0 63 P30 AN00 62 P31 AN01 61 P32...

Page 17: ...19 21 R6C AL2N1VY 3T LED6 1 2 19 21 R6C AL2N1VY 3T LED10 1 2 19 21 R6C AL2N1VY 3T LED14 1 2 0 1uF C15 19 21 R6C AL2N1VY 3T LED18 1 2 0 1uF C22 10k R23 uF 19 21 R6C AL2N1VY 3T LED24 1 2 R12 UnPop TP58 TP10 TP11 TP18 TP21 CAT24C02TDI GT3 IC3 1 SCL 5 WP 2 VSS 3 SDA 4 VCC 19 21 R6C AL2N1VY 3T LED12 1 2 TP49 19 226SURSYGC S530 A3 E2 TR8 LED11 4 3 2 1 19 21 R6C AL2N1VY 3T LED1 1 2 19 21 R6C AL2N1VY 3T L...

Page 18: ...6 TP510 2SK880 GR TE85R F Q508 3 1 2 TP506 TP547 D 0 5 10k R514 TP503 TP500 1M R526 C507 0 1uF Q507 QS5U27TR PB 1 5 2 10k R528 DTC114TUAT106 Q503 1 2 3 TP504 47k R503 1M R527 C506 0 1uF TP513 2SK879 Y TE85R F Q506 3 1 2 TP515 330k R531 47k R504 TP523 0 R517 UnPop 220 R532 RTT06 221 J C500 47uF 16V C502 47uF 16V C510 100uF 16V C513 10uF 16V C518 47uF 25V 0 R550 C577 UnPop C503 10uF 16V TP542 TP541 ...

Page 19: ...02 1 2 3 TP549 TP525 HTJ 064 12IMP JK6 1 4 2 FREE SW3 JM 0404 01 100k R508 10uF C521 C522 UnPop 100k R511 6800pF C523 TP528 C599 0 1uF C598 0 1uF C511 100uF 16V C515 10uF 16V C514 10uF 16V 4 7k R529 TP531 TP539 TP536 TP CIR1R0 TP26 TP CIR1R0 TP25 TP40 TP39 A28MC AVN T2G 3 T UDZS TE 17 4 3B D506 820 R500 4 7k R501 100k R551 C556 UnPop 1k R552 TP575 TP524 TP516 TP521 TP529 TP594 C555 10uF 16V D 0 5 ...

Page 20: ...MEMO TU 3 Dec 2009 ...

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Roland BOSS Chromatic Tuner TU-3, Service Notes

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