BOSS TU-2 Service Manual

TU-2 Oct.1998

Switch
JM-0404
(13129710)

Foot Base
(2235730400)

Spring
(2217710900)

Cushion
(2226733300)

Battery Connector
(2341070000)

Bottom Caution
(G253751603)

Bottom Base
(Base)
(2235730500)

Cover
(Bottom Cover)
(2202785100)

Insulation Spacer
(2216756000)

Pedal Guide Bush
(2215770201)

Nylon Washer
3×6×0.5 (×2)
(40125134)

Thumb Screw
3×10 (Black)
(40125101)

Binding Tapping
3×6 B1 FeBZC (×4)
(40010901)

Binding Machine
3×10 FeBZC (×2)
(40010267)

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16

17 18

Oct.1998

SERVICE NOTES

A

First Edition

EXPLODED VIEW

/分解図

Chromatic Tuner

SPECIFICATIONS



●Reference Pitch .......................................A4 = 438 to 445 Hz (1Hz step)

●Tuning Range .......................................... C0(16.35Hz) to C8(4186Hz)

●Tuning Accuracy .....................................+/-3cents

●Input Impedance......................................1M ohm

●Controls ...................................................STREAM/CENT select switch, MODE select switch, Pedal switch

●Indicators .................................................Meter, Note name/String number indicator, Tuning guide indicators,Check indicator

●Connectors .............................................. Input jack, Output jack, Bypass jack, DC 9V In jack, DC 9V Out jack,

●Power Suppl ............................................DC 9V : Dry battery S-006P/9V(6F22/9V), AC Adaptor(PSA-Series : Optional)

●Current Draw ...........................................55mA(Max.)

●Dimensions ..............................................70(W) × 125(D) × 55(H) mm / 2-3/4(W) × 4-15/16(D) x 2-3/16(H) inches

●Weight ...................................................... 420g / 15oz (including battery)

●Accessories .............................................Owner's Manual(English) (No. G6017441)

●Options.....................................................AC Adaptor PSA-100, PSA-120, PSA-230, PSA-240

PANEL LAYOUT

/主な仕様

Owner's Manual(Japanese) (No. G6017440)

Dry battery S-006P/9V(6F22/9V)

Parallel DC Cord PCS-20A

/パネル配置図

Issued by RJA

B
C
D
E

F

G

H

I

J

Hexagon Socket Head Cap
Tapping Screw 3×12mm
(H502984201)

PSA Caution
(G2537401)

LED (Yellow)
L-934SYC
(F5029113)

LED (Red/Green)
L-3WSRSGW-CC
(F5029111)

Tact SW
SEQJAE
(13129777)

Jack
SG-7615
(13449105)

Jack
SG-7713
(13449717)

Foot Base
(2235730400)

AC Adapor Jack
HEC2392-01-150
(13449717)

TU-2 Case
(G2017127)

TU-2 Panel
(G2217704)

LED (Red)
L-934SRD-D
(F5029112)

TU-2 LED Holder
(G219950101)

7Segment LED
SA39-11HWA
(F5029403)

Jack
SG-7713
(13449717)

TU-2 Pedal
(G2187515)

Cover (Bottom Cover)
(2202785100)
Bottom Base
(2235730500)
Bottom Caution PSA
(G253751603)

K

L

M

N

O

P

Q

R

Thumb Screw
3×10mm (Black)

All rights reserved. No part of this publication may be reproduced in any form without the written permission of ROLAND CORPORATION.

本書の一部、もくしは全部を無断で複写・転載することを禁じます。

17059940

(40125101)

Printed in Japan ACE0 (DP) 1

S

T
U
V

1

TU-2 Oct.1998

TU-2 PARTS LIST

SAFETY PRECAUTIONS:

The parts marked
related characteristics.
Use only listed parts for
replacement.

安全上の注意：

！

が付いている部品は、安全
上特別な規格でつくられたも
のです。
交換の際は、注意をよく読
み、指定された部品番号以外
の部品は使わないようにして
下さい。

！

have safety-

CONSIDERATIONS ON PARTS ORDERING

When ordering any parts listen in the parts list, please specify the following items in the order sheet.

Ex.

Failure to completely fill the above items with correct number and description will result in delayed or even
undelivered replacement.

パーツ発注に関するお願い

オーダーシートには、必ず下記の4項目は正確に記入して下さい。（例外は除く）

例）

もし記入洩れ、誤記等が有る場合、必要部品が発送できなかったり、大幅な遅れの原因になりま
す。御協力をお願いします。

/パーツリスト

QTY PART NUMBER DESCRIPTION MODEL NUMBER
10 22575241 Sharp key C-20/50
15 2247017300 Knob (orange) DAC-15D

必要数 パーツナンバー 品名 使用機種
10 22575241 Sharpkey C-20/50
15 2247017300 Knob(orange) DAC-15D

NOTE : The parts marked # are new (initial parts).

注意：＃の付いた部品は新規部品です。

CASING

# G2017127 Case
# G2187515 Pedal
# G2217704 Panel

CHASSIS

# G219950101 LED Holder LB

SWITCH

JACK,SOCKET

DISPLAY UNIT

# F5029403 SA39-11HWA 7 Segment LED D25 on LB

/ケース

2202785100 Cover(Bottom Cover)

2235730400 Foot Base

2235730500 Bottm Base

/シャーシ

/スイッチ

13129710 JM-0404 Key SW SW3 on LB

13129777 SKQJAE Tact SW SW1,2 on LB

/ジャック､ソケット

13449104 SG-7713 Momo Jack INPUT BYPASS

13449105 SG-7615 Stereo Jack OUTPUT

13449717 HEC2392-01-150 AC Adaptor Jack JK1,2 on MB

/表示ユニット

CPU PWB ASSY = CB
LED PWB ASSY = LB
MAIN PWB ASSY = MB

CRYSTAL

# G2389791 STF-39 8MHz Crystal X1 on LB

CONNECTOR

# 01676590 IMSA-9230B-1-28Z001-T CN1
# 01676601 IMSA-9230B-1-04Z001-T CN2

WIRING, CABLE

# G3477140 Flat Cable 3P
# G3477141 Flat Cable 4P

SCREWS

# H502984201 3×12mm Hexagon Socket Head Cap Binding Tapping P FeB

/クリスタル

/コネクター

/ワイヤリング,ケーブル

/ねじ類

NOTE :When replace the above screw with unit having Serial Number AL70600 or earlier, please change all of the 4 screws at a same

time. The shape of the head part is

注意:シリアル番号AL70600以前のもので上記ネジを交換する場合は４本全て交換して下さい。

40010267 3×10mm Binding Machine FeBc
40010901 3×6mm Binding Tapping B1 FeBc
40011312 3×8mm Binding Tapping P ZC
40125101 3×10mm Thumb Screw
40125134 Nylon Washer 3×6×0.5

PACKING

# G2607207 PACKING CASE

MISCELLANEOUS

# G2537401 PSA Caution

# G253751603 Bottom Caution PSA (CE, C-tick) Gray

ACCESSORIES (Standard)

# G6017441 Owner's Manual (English)
# G6017440 Owner's Manual (Japanese)

/梱包材

G2627738 INNER BOX FOR BOSS COMPACT

/その他

2215770201 Pedal Guide Bush
2216756000 Insulation Spacer
2217710900 Spring
2226733300 Cushion
2341070000 Battery Connector

/標準付属品

******** Battery S-006P 9V

PWB ASSY

# 17048414 PWB ASSY

/基板完成品

NOTE : Replancement PWB ASSY Includes MAIN BOARD,CPU BOARD and LED PWB ASSY

注意:補修用のPWBASSYは、MAINBOARD、CPUBOARD、LEDPWBASSYを含みます。

IC

# 01674889 M37531M4-605FP Mask CPU IC3 on CB
# 01676589 S-81250SGY Voltage Regulator IC1 on MB
# ******** HT24C02 2k EEPROM IC4 on CB

15189250 M5218AL OP Amp IC2 on MB

NOTE : Replacement EEPROM(IC4) should be made on a PWB ASSY. No replacement is available for individual parts.

Replacement is only by a PWB ASSY

注意:補修用EEPROM(IC4)は、部品単体では、供給できません。修理の際は、基板完成品の交換を行って下さい。

TRANSISTOR

15119128 2SA1048GR PNP Transistor Q4 on MB

15129144 2SC2458LGR NPN Transistor Q6,7 on MB

15129185 2SC2458GR NPN Transistor Q1,2 ,3 on MB

15139130 2SK184GR FET Q5 on MB

15329528 RN2307 Digital Transistor Q11 on CB

151391160Y 2SK118Y FET Q8,9,10 on MB

DIODE

# F5029111 L-3WSRSGW-CC (Red/Green) LED D19 on LB
# F5029112 L-934SRD-D (Red) LED D12,14-18,20-24 on LB
# F5029113 L-934SYC (Yellow) LED D11,13 on LB
# F5339121 RD5.1S B3 Zener Diode D9 on CB

15019126 1SS133 Diode D4,5 ,6,7,8 on MB

15339119T0 1SS352 Diode D10 on CB

F5019203 1N4004 Diode D1,2 on MB

F5339301 MTZ5.6C Zener Diode D3 on MB

/トランジスター

/ダイオード

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