Boss_AC-3_Acoustic_Simulator_Service_Manual电路图.pdf

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1、SERVICE NOTES Issued by RJA Copyright 2006 ROLAND CORPORATION All rights reserved. No part of this publication may be reproduced in any form without the written permission of ROLAND CORPORATION. Printed in Japan (0500) (SC-KWS)17058403E0 Mar. 2006AC-3 LEVEL REVERB INPUT LINE OUT G.AMP OUT Table of C

2、ontents Cautionary Notes.2 Specifications .2 Location of Controls .3 Location of Controls Parts List.3 Exploded View.4 Exploded View Parts List.4 Parts List.5 Checking Version Number.8 Test Mode.8 Circuit Board.13 Circuit Diagram.14 RadioFans.CN 收音机爱 好者资料库 2 Mar. 2006AC-3 Cautionary Notes Before beg

3、inning the procedure, please read through this document. No User Data This product cannot save user data. Backing up user data during servicing is not required. Parts List A component whose part code is * cannot be supplied as a service part because one of the following reasons applies. Because it i

4、s supplied as an assembled part (under a different part code). Because a number of circuit boards are grouped together and supplied as a single circuit board (under a different part code). Because supply is prohibited due to copyright restrictions. Because reissuance is restricted. Because the part

5、is made to order (at current market price). Part Replacement When replacing components near the power-supply circuit or a heat- generating circuit (such as a circuit provided with a heat sink or including a cement resistor), carry out the procedure according to the instructions with respect to the p

6、art number, direction, and attachment position (mounting so as to leave an air gap between the component and the circuit board, etc.). Circuit Diagram In the circuit diagram, NIU is an abbreviation for NOT IN USE. The circuit board and circuit-board diagram show silkscreened indications, but no comp

7、onents are mounted. Specifications AC-3: Acoustic Simulator Nominal Input Level 20 dBu Input Impedance 1 M Nominal Output Level 20 dBu Output Impedance 1 k Recommended Load Impedance 10 k or greater Controls Pedal switch, LEVEL knob, REVERB knob, BODY knob, TOP knob, MODE knob Indicators CHECK indic

8、ator (Serves also as battery check indicator) Connectors INPUT jack, LINE OUT jack, G.AMP OUT jack, AC adaptor jack (DC 9 V) Power Supply DC 9 V: Dry battery/9 V type (6F22 (carbon), 6LR61 (alkaline), AC Adaptor (PSA-series: optional) Current Draw 39 mA (DC 9 V) *Expected battery life under continuo

9、us use: Carbon: 3 hours, Alkaline: 10 hours These figures will vary depending on the actual conditions of use. Dimensions 73 (W) x 129 (D) x 59 (H) mm 2-7/8 (W) x 5-1/8 (D) x 2-3/8 (H) inches Weight 440 g /1 lb (including battery) Accessories Owners Manual English (#G6027114R0) Leaflet (“USING THE U

10、NIT SAFELY,” “IMPORTANT NOTES,” and “Information”) (#*) Dry battery/9 V type (6LR61) (#*) *The battery that was supplied with the unit is for temporary use intended primarily for testing its operation. We also suggest replacing this with an alkaline dry cell. Option AC Adaptor (PSA-series) *0 dBu =

11、0.775 Vrms *In the interest of product improvement, the specifications and/or appearance of this unit are subject to change without prior notice. RadioFans.CN 收音机爱 好者资料库 3 Mar. 2006AC-3 Location of Controls fig.panel.eps Location of Controls Parts List LEVEL REVERB INPUT LINE OUT G.AMP OUT 10 9 8 7

12、6 5 4 3 2 1 141312 11 No.Part CodePart NameDescriptionQty 122480220R0P R-KNOBBF BLK/LCG (INTERNAL)1 22480221R0P R-KNOBS BLK/LCG (EXTERNAL)1 F3279854R0POTENTIOMETERRD912D-20-20FWH-B54-60091 H5039521R0NUT M74 2F3449707R0LINE OUT JACKHTJ-064-12DS1 H5039510R0NUT M9X12X2T NI4 H5039112R0WASHER 9X14X0.5NI4

13、 313449140R0JACK (STEREO)HTJ-064-14D1 H5039510R0NUT M9X12X2T NI4 H5039112R0WASHER 9X14X0.5NI4 475D932T0R0PEDAL1 522357304R0PEDAL PLATE1 6H5029820R0THUMB SCREW 3X10FEBC1 713449104R0INPUT JACKHTJ-064-13D1 H5039510R0NUT M9X12X2T NI4 H5039112R0WASHER 9X14X0.5NI4 8F3279853R0POTENTIOMETERRD901-20-15FP-B54

14、K-041 22480260R0P R-KNOBMF BLK/LCG3 H5039521R0NUT M74 9F3279852R0POTENTIOMETERRD901-20-15FW-B54-0062 22480260R0P R-KNOBMF BLK/LCG3 H5039521R0NUT M74 10G2217758R0PANEL1 1175D933C0R0CASE1 1215029281R0LEDL-34HDSL1 1313449717R0ADAPTOR JACKHEC2392-01-1501 1422537538R0PSA LABEL8X131 RadioFans.CN 收音机爱 好者资料

15、库 4 Mar. 2006AC-3 Exploded View fig.exploded.eps Exploded View Parts List 11 10 b b a a 2 12 1 9 d 8 3 c 7 6 5 4 No.Part CodePart NameDescriptionQty 113129710R0SWITCH (PUSH)JM-04041 222267333R0CUSHION1 3F3419102R0BATTERY CONNECTOR006P BATTERY SNAP1 4G2537516R0PSA CAUTIONCE 9V N2251 522357305R0BOTTOM

16、 BASE1 622027851R0BOTTOM COVER1 7G2167301R0INSULATING SHEET1 822157702R0PEDAL GUIDE BUSH1 922177109R0COIL SPRING1 1022357304R0PEDAL PLATE1 1175D932T0R0PEDAL1 1275D933C0R0CASE1 aH5039401R0NYLON WASHER M3X6X0.52 bH5019413R0SCREW M3X10BINDING MACHINE FEBC2 cH5029325R0SCREW 3X6B1FEBC4 dH5029820R0THUMB S

17、CREW 3X10FEBC1 5 Mar. 2006AC-3 Parts List fig.part1j SAFETY PRECAUTIONS: The parts marked have safety-related characteristics. Use only listed parts for replacement. NOTE: The parts marked # are new. (initial parts) Due to one or more of the following reasons, parts with parts code * cannot be suppl

18、ied as service parts. Part supplied only as a component in a complete assembly Copyright does not permit the part to be supplied Part is sold commercially The description QTY means a necessary number of the parts per one product. CASING #22357305R0BOTTOM BASE1 #22027851R0BOTTOM COVER1 #75D933C0R0CAS

19、E1 #G2217758R0PANEL1 #75D932T0R0PEDAL1 #22357304R0PEDAL PLATE1 KNOB, BUTTON #22480221R0P R-KNOBS BLK/LCG (EXTERNAL)1 #22480260R0P R-KNOBMF BLK/LCG3 #22480220R0P R-KNOBBF BLK/LCG (INTERNAL)1 SWITCH #13129710R0SWITCH (PUSH)JM-0404SW11 JACK, EXT TERMINAL 13449140R0JACK (STEREO)HTJ-064-14D1 #13449104R0I

20、NPUT JACKHTJ-064-13D1 #F3449707R0LINE OUT JACKHTJ-064-12DSJK41 #13449717R0ADAPTOR JACKHEC2392-01-150JK61 PWB ASSY #75D933P0R0PWB ASSY1 #22917496R0PWB LED#4961 IC #F5289709R0BD45301GIC (RESEST)IC81 #15189261M5218AFP-600EIC (OP AMP)IC1, IC3, IC43 #F5289101R0NJM2100MIC (OP AMP)IC21 #F5259710R0TC7W04FKI

21、C (LOGIC)IC101 #F5259708R0UPD800402GJ-211-UEN-A (0401099 IC (ESC)IC71 #F5279884R0HN58X24512I (04231223)IC (EEPROM)IC61 #F5269707R0DC-DC BD9851EFVIC (DC-DC)IC91 #F5209129R0AK4552VT 24BITIC (CODEC)IC51 HYBRID #F5329540R0QS5U27FET AND DIODEQ15, Q162 TRANSISTOR #F5309603R02SA1832GR (TE85L F)TRANSISTORQ1

22、31 #F5129405R02SC4738GR (TE85L F)TRANSISTORQ7, Q8, Q9, Q10, Q11, Q12, Q177 #F5329530R02SK879Y-TE85RFETQ1, Q2, Q4, Q54 #15329103R02SK880GR-TE85RFETQ31 DIODE #15029281R0L-34HDSLLED1 #F5339505R01SS387 (TPH3 F)DIODED1, D2, D3, D44 #F5339201R0GS1GDIODED61 #F5339137R0SS14 VF 0.45VDIODED51 RESISTOR #F53991

23、01R00J (1608TYPE)MTL.FILM RESISTORR22, R92, R94, R132, R133, R134, R135, R1368 #F5399115R0100J (1608TYPE)MTL.FILM RESISTORR26, R48, R138, R139, R1405 #F5399170R0100KJ (1608TYPE)MTL.FILM RESISTORR14, R34, R51, R52, R53, R55, R957 #F5399104R010J (1608TYPE)MTL.FILM RESISTORR231 #F5429365R010KF 1PCT (16

24、08TYPE) F-RANKMTL.FILM RESISTORR29, R47, R60, R74, R114, R115, R119, R1218 #F5399140R010KJ (1608TYPE)MTL.FILM RESISTORR15, R19, R87, R88, R91, R98, R99, R100, R102, R126, R127, R128, R129 13 6 Mar. 2006AC-3 #F5399918R012KF 1PCT (1608TYPE) F-RANKMTL.FILM RESISTORR771 #F5429386R0150KF 1PCT (1608TYPE)

25、F- RANK MTL.FILM RESISTORR391 #F5429366R015KF 1PCT (1608TYPE) F-RANKMTL.FILM RESISTORR1171 #F5399147R015KJ (1608TYPE)MTL.FILM RESISTORR12, R16, R363 #F5429371R018KF 1PCT (1608TYPE) F-RANKMTL.FILM RESISTORR1081 #F5399128R01KJ (1608TYPE)MTL.FILM RESISTORR11, R31, R58, R69, R73, R966 #F5399200R01M J (1

26、608TYPE)MTL.FILM RESISTORR1, R13, R18, R20, R33, R49, R54, R56, R579 #F5399130R02.2KJ (1608TYPE)MTL.FILM RESISTORR751 #F5429373R022KF 1PCT (1608TYPE) F-RANKMTL.FILM RESISTORR1121 #F5399152R022KJ (1608TYPE)MTL.FILM RESISTORR3, R7, R25, R43, R59, R80, R1447 #F5429372R027KF 1PCT (1608TYPE) F-RANKMTL.FI

27、LM RESISTORR122, R1162 #F5429346R03.3KF 1PCT (1608TYPE) F- RANK MTL.FILM RESISTORR1031 #F5399141R03.9KJ (1608TYPE)MTL.FILM RESISTORR1421 #F5399294R039J (1608TYPE)MTL.FILM RESISTORR1051 #F5399157R039KJ (1608TYPE)MTL.FILM RESISTORR791 #F5399133R04.7KJ (1608TYPE)MTL.FILM RESISTORR2, R5, R9, R21, R24, R

28、27, R1437 #F5429375R047KF 1PCT (1608TYPE) F-RANKMTL.FILM RESISTORR107, R1132 #F5399158R047KJ (1608TYPE)MTL.FILM RESISTORR4, R6, R28, R35, R106, R109, R111, R1188 #F5429350R05.6KF 1PCT (1608TYPE) F- RANK MTL.FILM RESISTORR1041 #F5399108R056J (1608TYPE)MTL.FILM RESISTORR120, R1102 #F5399160R056KJ (160

29、8TYPE)MTL.FILM RESISTORRR8, R17, R32, R44, R45, R46, R50, R61, R62, R63, R64, R76, R123 13 RESISTOR POTENTIOMETER #F3279853R0RD901-20-15FP-B54K-04POTENTIOMETERVR41 #F3279852R0RD901-20-15FW-B54-006POTENTIOMETERVR2, VR32 #F3279854R0RD912D-20-20FWH-B54-6009POTENTIOMETERVR11 CAPACITOR #F5349704R0ECPU1E4

30、74KB5 (04013567)MYLAR CAPACITORC121 #F5379004R010UF GRM31MF51A106ZA01LCHIP CAPACITOR (3216TYPE)C1, C6, C9, C11, C15, C17, C24, C28, C29, C33, C35, C39, C123 13 #F5359732R00.001UF GRM39B102K50PTCHIP CAPACITOR (1608TYPE)C87, C92, C114, C115, C118, C1196 #F5359740R00.0022UF GRM39B222K50PTCHIP CAPACITOR

31、 (1608TYPE)C4, C7, C193 #F5350780R00.01UFCHIP CAPACITOR (1608TYPE)C57, C58, C59, C60, C61, C1226 #F5359800R00.1UF GRM39F104Z25PTCHIP CAPACITOR (1608TYPE)C3, C13, C16, C20, C22, C26, C37, C38, C40, C41, C42, C43, C45, C51, C52, C54, C64, C75, C76, C77, C78, C79, C80, C81, C83, C84, C85, C88, C89, C91

32、, C93, C94, C95, C96, C97, C98, C99, C101, C102, C103, C104, C107, C113, C120, C121 45 #F5359725R0150P ECJ1VC1H151JCHIP CAPACITOR (1608TYPE)C2, C5, C8, C14, C18, C236 #F5359821R01UCHIP CAPACITOR (1608TYPE)C67, C362 #F5359704R022P GRM39CH220J 50PTCHIP CAPACITOR (1608TYPE)C65, C68, C73, C116, C1175 #F

33、5359805R0470P JCHIP CAPACITOR (1608TYPE)C901 #F5359827R068P JCHIP CAPACITOR (1608TYPE)C71, C72, C109, C1104 #F5369616R0CSM100M1CC05W 10U/16VCHEMICAL CAPACITORC211 #F5369613R0CSM101M0JD05W 100U/6.3V 5X5. CHEMICAL CAPACITORC53, C63, C74, C82, C86, C100, C105, C1068 #F5369614R0CSM101M1CE05W 100U/16V 6.

34、3X5. CHEMICAL CAPACITORC44, C46, C703 #F5369615R0CSM470M1CD05W 47U/16V 5X5.3 CHEMICAL CAPACITORC10, C25, C27, C47, C485 INDUCTOR, COIL, FILTER #F5409148R0ELL6SH151SMD COILL61 #F5409147R0ELL6SH820SMD COILL51 #F2449239R0BA-0F601-20057001INDUCTORL1, L3, L43 #F5409131R0QT04-60COILL21 CRYSTAL, RESONATOR

35、#F5299525R0HC49SM 16.9344MHZCRYSTALX11 CONNECTOR #F3439865R0B6B-PH-K-SCONNECTORCN11 WIRING, CABLE #H4009683R0WIRING 1007YELLOW 135X3X31 #H4009408R0WIRING 1007WHITE 85X6X31 #H4009498R0WIRING 1007PURPLE 160X6EX6E1 #H4009307R0WIRING 1007ORANGE 80X3X61 #H4009319R0WIRING 1007GREEN 80X3X61 #H4009499R0WIRI

36、NG 1007GREEN 160X6EX6E1 #H4019406R0WIRING 1007GRAY 100X3X31 #H4009596R0WIRING 1007BROWN 110X6X31 #H4009597R0WIRING 1007BROWN 105X6X31 7 Mar. 2006AC-3 #H4009595R0WIRING 1007BLUE 110X6X31 #H4009689R0WIRING 1007BLACK 105X6X31 #G3487434R0FLAT CABLE9P L=90MMCN2, CN51 WIRING, CABLE SCREWS #H5039112R0WASHE

37、R 9X14X0.5NI4 #H5029820R0THUMB SCREW 3X10FEBC1 #H5019413R0SCREW M3X10BINDING MACHINE FEBC2 #H5029325R0SCREW 3X6B1FEBC5 #H5039104R0WASHER 9.2X14X1.6AL1 H5039521R0NUT M74 H5039510R0NUT M9X12X2T NI4 #H5039401R0NYLON WASHER M3X6X0.52 H5039205R0TOOTH WASHER 9.1X133 #22137709R0WASHER 9.6X14X1.0FOR JACK1 P

38、ACKING G2627738R0INNER BOX1 #G2607509R0PACKING CASE1 MISCELLANEOUS #G2257314R0INSULATING SHEETPVC T=0.5 + Y5251 #H5319102R0INSULOK TIELCT-80 (3S) YJ-80 WHITE2 #G2537516R0PSA CAUTIONCE 9V N2251 #22537538R0PSA LABEL8X131 #F3419102R0BATTERY CONNECTOR006P BATTERY SNAP1 #H2369402R0POLYCA PIPE#306 3X6X61

39、#22177109R0COIL SPRING1 #22267333R0CUSHION1 #22257257R0EARTH TERMINALET1, ET22 #G2167301R0INSULATING SHEET1 #22157702R0PEDAL GUIDE BUSH1 ACCESSORIES (Standard) #G6017460R0OWNERS MANUALJAPANESE1 #G6027114R0OWNERS MANUALENGLISH1 #*BATTERY GP1604A 006P 9V1 8 Mar. 2006AC-3 Checking Version Number 1.Conn

40、ect an AC adaptor. 2.Adjust the REVERB, LEVEL, BODY and TOP knobs to MIN. 3.Adjust the MODE knob to STANDARD. 4.While holding down the pedal, connect a plug to the INPUT jack. 5.When the CHECK indicator turns off, release the pedal. The CHECK indicator blinks and turns off. 6.Then, count the number

41、of times the CHECK indicator blinks. Examples)Blinks one time:Ver. 1.00 Blinks two times:Ver. 1.01 After showing the version number like this, the test program advances to the next test item. Test Mode Required Items Oscillator Oscilloscope Noise Meter 47-k short plug Monitor Speaker Test Items 1. C

42、PU, DSP Check (p. 9) 2. DC Leakage Check (p. 9) 3. REVERB Volume Check (p. 9) 4. LEVEL Volume Check (p. 9) 5. BODY Volume Check (p. 9) 6. TOP Volume Check (p. 10) 7. FET Through, DAC Check (p. 10) 8. Maximum Input/Output Level Check (p. 10) 9. AF/AD Check (p. 11) 10. MODE Switching Check (p. 11) 11.

43、 Cross Talk Check (p. 11) 12. Residual Noise Check (p. 12) 13. Noise Check (p. 12) 14. Power and Battery Check (p. 12) How to Enter Test Mode Test items are divided into the next three groups, and starting (entering) method of each test item is different. Test Mode A:DC Leakage Check (2)MODE Switchi

44、ng Check (10) Test Mode B:Cross Talk Check (11) Test Mode C:Residual Noise Check (12) Even what test mode you enter, 14. Power and Battery Check (p. 12) is always executed first. To execute 13. Noise Check (p. 12) or 14. Power and Battery Check (p. 12), turn on the power in normal play mode. The nex

45、t section explains how to enter each test mode. Test Mode A (2. DC Leakage Check10. MODE Switching Check) 1.Connect an AC adaptor. 2.Adjust all of the REVERB, LEVEL, BODY and TOP knobs to MIN. 3.Adjust the MODE knob to STANDARD. 4.Hold down the pedal and connect an oscillator to the INPUT jack. 5.Wh

46、en the CHECK indicator turns off, release the pedal. *If there are any knobs which arent adjusted to MIN, you wont be able to enter the test mode A. And if there are any knobs which minimum values arent detected because of some poor parts, you wont be able to enter the test mode. *If you pull out th

47、e plug connected to the INPUT jack, the power is turned off. Then enter test mode again. *If the CHECK indicator doesnt turn on, its LED might have some troubles. Then, confirm the indicator is turned on or off when pressing the pedal in normal play mode. If the indicator continues to blink, refer to 1. CPU, DSP Check (p. 9). Test Mode B (11. Cross Talk Check) 1.Connect an AC adaptor. 2.Adjust all of the REVERB, LEVEL, BODY and TOP knobs to MAX. 3.Adjust the MODE knob to ENHANCE. 4.Hol