Boss_OD-20(T)_Overdrive_Distortion_Service_Manual电路图.pdf

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1、SERVICE NOTES Issued by RJA Copyright 2002 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 (0800) (NB)17058015E0 Apr.2002OD-20(T) TABLE OF CONTENTS SPECIFIC.ATIONS.2 LOCATION OF C

2、ONTROLS .4 LOCATION OF CONTROLS PARTS LIST.5 EXPLODED VIEW.6 EXPLODED VIEW PARTS LIST.9 PARTS LIST.10 CHECKING THE VERSION NUMBER.13 RESTORING THE FACTORY SETTINGS.13 TEST MODE.13 BLOCK DIAGRAM.16 CIRCUIT BOARD(JACK).18 CIRCUIT BOARD(PANEL) .19 CIRCUIT DIAGRAM(JACK).20 CIRCUIT DIAGRAM(PANEL).22 (T)

3、RadioFans.CN 收音机爱 好者资料库 2 Apr.2002 SPECIFIC.ATIONS OD-20: Overdrive/Distortion 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 Dynamic Range 102 dB (IHF-A typ.) Controls EFFECT ON/OFF Pedal MANUAL/MEMORY Ped

4、al DRIVE Knob BOTTOM Knob TONE Knob LEVEL Knob ATTACK SHAPE Knob HEAVY OCTAVE Knob TYPE Knob VARIATION Button AMP CTRL (amp control) Button MEMORY WRITE Button MEMORY SELECT Button Indicators POWER Indicator (serves also as battery check indicator) EFFECT ON/OFF Indicator MANUAL Indicator MEMORY Ind

5、icator VARIATION Indicator AMP CTRL (amp control) Indicator MEMORY Number Indicator (1-4) Connectors INPUT Jack AMP CTRL (amp control) Jack LINE OUT/PHONES Jack OUTPUT Jack AC Adaptor Jack (DC 9 V) Power Supply DC 9 V: Dry Battery (R6/LR6 (AA) type) x 6 AC Adaptor Current Draw 85 mA (9 V max.) *Expe

6、cted battery life under continuous use: Carbon:8 hours Alkaline:20 hours These figures will vary depending on the actual conditions of use. Dimensions 173 (W) x 158 (D) x 57 (H) mm 6-13/16 (W) x 6-1/4 (D) x 2-1/4 (H) inches Weight 1.1 kg / 2 lbs 7 oz (including batteries) Accessories Owners Manual E

7、nglish:G6017351 Japanese :G6017350 Leaflet (“USING THE UNIT SAFELY,” “IMPORTANT NOTES,” and “Information”):(*) Dry battery (LR6 (AA) type) x 6:(*) *We recommend that alkaline batteries be used when replacing the batteries. Options AC Adaptor (PSA-series) *0 dBu = 0.775 Vrms *In the interest of produ

8、ct 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 OD-20(T) RadioFans.CN 收音机爱 好者资料库 4 Apr.2002 LOCATION OF CONTROLS fig.front fig.rear 1 2 3 6 7 9 10 5 8 11 12 13 14 15 16 17 4 2 3 64 5 7 18 5 OD-20(T) LOCATION OF C

9、ONTROLS PARTS LIST Front Rear No.PART CODEPART NAMEDESCRIPTIONQTY 1H5029855SCREW M4X8HEXAGON BUTTON HEAD4 2G2477122R-KNOB5 F3279802POTENTIOMETERNO CLICK 50KBRD901-40-125F-B54-00D5 3G247751001VGA KEYTOP S BLACK WITH LENS2 4G2477122R-KNOB1 F3279803POTENTIOMETER 11 CLICKS 50KBRD901-40-125F-B54-11D1 5H5

10、029851PEDAL SHAFT1 61502928100LED (RED)L-34HDSL3 7G2187540PEDAL L1 8G2017180CASE1 9G2217171LED PANEL1 10G2187541PEDAL R1 11H5029852SCREW 4M3 FEBZCHEXAGON SOCKET BUTTON HEAD2 12G2357116PEDAL PLATE62X532 13F5029126POWER LEDL-113GDT1 14G247751301VGA KEYTOP S WITHOUT LENS2 151502928100LED (RED)L-34HDSL4

11、 16G2217170PANEL1 17G2477122R-KNOB1 F3279819POTENTIOMETER CENTER CLICK 50KBRD901-40-125F-B54-0CD1 No.PART CODEPART NAMEDESCRIPTIONQTY 113449150MFPHONE JACK (STEREO)HTJ-064-12D3 2G2537552LABEL CAUTION1 3G2217172REAR PANEL1 4G2017621BATTERY COVER1 5G2017148BOTTOM COVER1 6G2357118BOTTOM FOOT1 7F3449415

12、ADAPTOR JACKKM02009AB1 813449155MFPHONE JACK (MONO)HTJ-064-12I1 6 Apr.2002 EXPLODED VIEW fig.expro1 33 32 26 24 c k 21 b d 23 25 b e f 7 OD-20(T) fig.expro2 a 11 18 a 12 18 11 16 j 14 15 17 10 13 8 Apr.2002 fig.expro3 1 2 5 3 i 4 g h RIGHT SIDE LEFT SIDE9 6 7 8 9 OD-20(T) EXPLODED VIEW PARTS LIST Pa

13、rt Screw No.PART CODEPART NAMEDESCRIPTIONQTY 1G2017180CASE1 2G2357111CUSHION R2 3H5029851PEDAL SHAFT2 42215770201PEDAL GUIDE BUSH215-7022 52217710900COIL SPRING214-1092 6G2357116PEDAL PLATE62X532 7G2357115PEDAL FOOTM82 8G2187541PEDAL R1 9G2187540PEDAL L1 10G2017148BOTTOM COVER1 11G2357118BOTTOM FOOT

14、2 12G2017621BATTERY COVER1 13G2017620BATTERY CASE1 14G2177308BATTERY TERMINAL(+)1 15G2177309BATTERY TERMINAL(-)1 16G2177307BATTERY TERMINAL(+-)1 17G2257130BATTERY INSULATING SHEET1 18G2537552LABEL CAUTION QUICK MANUAL1 21G2477122R-KNOB7 23G2257129INSULATING SHEET1 24G2217170PANEL1 25G2217172REAR PAN

15、EL1 26G2217171LED PANEL1 32G247751301VGA KEYTOP S WITHOUT LENS2 33G247751001VGA KEYTOP S BLACK WITH LENS2 No.PART CODEPART NAMEDESCRIPTIONQTY aH5029115SCREW 3X8PAN TAPTITE-2 FEBZC7 bH5019110SCREW M3X6PAN TAPTITE-2 FEZC9 cH5029855SCREW M4X8HEXAGON SOCKET BUTTON HEAD FENI4 dH5039205WASHER 12.5X9.5X0.5

16、/0.9INTERNAL TOOTH FENI4 eH5039112WASHER M94 fH5039510NUT M9X12X2FENI4 gH5029852SCREW 4M3 FEBZCHEXAGON SOCKET BUTTON HEAD2 hH5039413NYLON WASHER M4.1X7.5X0.5BLACK2 iH5039414NYLON WASHER M5.1X9.5X0.5BLACK2 jH5019430SCREW M2.6X5BINDING HEAD TAPTITE FEZC2 kH5039521VR ACCESSORY NUT M77 10 Apr.2002 PARTS

17、 LIST fig.part1e SAFETY PRECAUTIONS: The parts marked have safety-related characteristics. Use only listed parts for replacement. CONSIDERATION ON PARTS ORDRING When ordering any parts listed in the parts list, please specify the following items in the order sheet. QTYPART NUMBERDESCRIPTIONMODEL NUM

18、BER Ex.1022575241Sharp KeyC-20/50 152247017300Knob (orange)DAC-15D Failure to completely fill the above items with correct number and description will result in delayed or even undelivered replacement. NOTE: The parts marked # are new. (initial parts) CASING G2357116PEDAL PLATE62X53 2 G2017620BATTER

19、Y CASE 1 G2017621BATTERY COVER 1 G2017148BOTTOM COVER 1 G2357118BOTTOM FOOT 2 # G2017180CASE 1 # G2217171LED PANEL 1 # G2217170PANEL 1 # G2187541PEDAL R 1 # G2187540PEDAL L 1 H5029851PEDAL SHAFT 2 # G2217172REAR PANEL 1 “KNOB,BUTTON” G2477122R-KNOB 7 G247751001VGA KEYTOP S BLACK WITH LENS 2 G2477513

20、01VGA KEYTOP S WITHOUT LENS 2 SWITCH 01780101SKQKABTACT SWITCHSW3, SW4, SW5, SW6 on PB4 13129778SKQKAHTACT SWITCHSW1, SW2 on PB2 JACK,EXT TERMINAL 13449150MFHTJ-064-12DPHONE JACK (STEREO)JK1, JK2, JK3 on JB3 13449155MFHTJ-064-12IPHONE JACK (MONO)JK4 on JB1 F3449415KM02009ABADAPTOR JACKJK5 on JB1 PWB

21、 ASSY #E75D693P000JACK PWB ASSY # 75D693M000PANEL PWB ASSY IC # 02897545MN101C30AHD OD-20 VER1.00IC(CPU 8BIT)IC6 on JB1 # F5209123S-80930ALMP-DAT-T2IC (REST)IC7 on JB1 F5179604CAT24WC02JIC (EEPROM)IC4 on JB1 02565501TC220CCA0AF-B01(MR3)IC (DSP)IC5 on JB1 # F5179125S-8520E33MC-BJS-T2IC (DC-DC)IC8 on

22、JB1 15289109M5216FP-600DIC (BIPOLAR OP AMP)IC10, IC11 on JB2 15189261M5218AFP-600EIC (BIPOLAR OP AMP)IC3 on JB1 00346445NJM2100M(TE3)IC (BIPOLAR OP AMP)IC1 on JB1 02451434AK4552VTIC (AD/DA)IC2 on JB1 TRANSISTOR 006790452SA1298-Y(TE85R)TRANSISTORQ5 on JB1 153091042SA1586-GR(TE85R)TRANSISTORQ4 on JB1

23、153191082SC-3324GR-TE85RTRANSISTORQ3, Q12 on JB2 005620122SC3265-Y(TE85R)TRANSISTORQ7 on JB1 153191072SC4116-GR(TE85R)TRANSISTORQ6, Q9, Q10 on JB3 F5139608IRF7606POWER MOS FETQ11 on JB1 # F53295302SK879YFET TRANSISTORQ2, Q8 on JB2 153291032SK880GR-TE85RFET TRANSISTORQ1 on JB1 DIODE 0256287802DZ5.1-Y

24、(TPH3)ZENER DIODED8 on JB1 010195341SS355 TE-17SWITCHING DIODED1, D4, D6, D10 on JB4 F5029126L-113GDTPOWER LEDLED2 on PB1 11 OD-20(T) 1502928100L-34HDSLLED (RED)LED3, 4, 5, 8, 9, 10, 11 on PB7 F5029117L-312LRDLEDLED6, 7 on PB2 153391191SS-352DIODED2 on JB1 007830341SS294(TE85L)DIODED3 on JB1 1533912

25、01SS302DIODEDA3 on JB1 F5339137SS14 VF=0.45VDIODED5, D7 on JB2 DIODE RESISTOR F5419707CRN34101JRESISTOR ARRAYRA5,6 on JB2 # F539995168(1/2W) CHIPRESISTOR (1/2W)R64, R68 on JB2 # F2569127MINISMDC075POLY SWITCHR48 on JB1 00566867RPC05T 100 JMTL.FILM RESISTORR37, R76, R77, R79 on JB4 00567023RPC05T 101

26、 JMTL.FILM RESISTORR51 on JB1 00567156RPC05T 102 JMTL.FILM RESISTORR6, R61 on JB2 00567289RPC05T 103 JMTL.FILM RESISTORR1, R7, R11, R12, R13, R14, R15, R17, R19, 25 00567412RPC05T 104 JMTL.FILM RESISTORR10, R28, R45, R67, R75, R78, R82, R83, R8612 00567556RPC05T 105 JMTL.FILM RESISTORR2, R3, R5, R27

27、, R29, R44, R60 on JB7 00567290RPC05T 123 JMTL.FILM RESISTORR25, R34 on JB12 00567301RPC05T 153 JMTL.FILM RESISTORR23, R36 on JB2 00567190RPC05T 222 JMTL.FILM RESISTORR57 on JB1 00567334RPC05T 273 JMTL.FILM RESISTORR59 on JB1 00566934RPC05T 330 JMTL.FILM RESISTORR54 on JB1 00567089RPC05T 331 JMTL.FI

28、LM RESISTORR62, R69, R82 on JB3 00567367RPC05T 393 JMTL.FILM RESISTORR30 on JB1 00567245RPC05T 472 JMTL.FILM RESISTORR9, R66, R88 on JB3 00567378RPC05T 473 JMTL.FILM RESISTORR8, R16, R21, R26, R31, R41, R47, R52, R53,11 00567501RPC05T 474 JMTL.FILM RESISTORR4, R74 on JB2 00567134RPC05T 681 JMTL.FILM

29、 RESISTORR72 on JB1 # F382927027(2W)METAL OXIDE RESISTORR18, 22 on JB2 F542936510K OHM F RANK (1%)CHIP RESISTORR24 on JB1 F5429386150K F (1608TYPE)CHIP RESISTORR20 on JB1 # F5419740CRN34473J CHIPARRAY RESISTORRA4 on JB1 # F5419741CRN34681J CHIPARRAY RESISTORRA2,3 on JB2 POTENTIOMETER # F3279819RD901

30、-40-125F-B54-0CD 50KBROTARY POT. W/CENTER CLICKVR2 on PB1 F3279802RD901-40-125F-B54-00DPOTENTIOMETERNO CLICK 50KBVR1, VR3, VR4, VR5, VR6 on PB5 F3279803RD901-40-125F-B54-11DPOTENTIOMETER 11 CLICKS 50KBVR7 on PB1 CAPACITOR 02341489ECPU1C474MA5MYLAR CAPACITOR(SUBMI- CRON) 1 # F5349704ECPU1C474MA5MYLAR

31、 CAPACITOR (SUBMI- CRON) C1 on JB1 # F5359732GRM39B102J50PTCHIP CAPACITOR (1608 TYPE)C80 on JB1 F5359780GRM39B103K50PTCHIP CAPACITOR (1608 TYPE)C55, C56, C57, C58, C59, C60, C61, C72 on J8 # F5359382GRM39B182J50PTCHIP CAPACITOR (1608 TYPE)C89, C95 on JB2 F5359740GRM39B222K50PTCHIP CAPACITOR (1608 TY

32、PE)C5, C9 on JB2 # F5359812GRM39B473J50PTCHIP CAPACITOR (1608 TYPE)C17, C33 on JB2 # F5359372GRM39B683J50PTCHIP CAPACITOR (1608 TYPE)C67 on JB1 F5359720GRM39CH101J50PTCHIP CAPACITOR (1608 TYPE)C6 on JB1 # F5359803GRM39CH151J50PTCHIP CAPACITOR (1608 TYPE)C83, C85, C88, C90 on JB4 # F5359370GRM39CH180

33、J50PTCHIP CAPACITOR (1608 TYPE)C69 on JB1 F5359704GRM39CH220J50PTCHIP CAPACITOR (1608 TYPE)C68, C70, C71 on JB3 # F5359373GRM39CH271J50PTCHIP CAPACITOR (1608 TYPE)C12, C13, C22 on JB3 F5359800GRM39F104Z25PTCHIP CAPACITOR (1608 TYPE)C11, C21, C24, C26, C30, C32, C35, C36, C3730 # F36296920.22/50VCAPA

34、CITORC87 on JB1 # F3629695TS1/50VCAPACITORC2, C3, C19, C29, C91, C94 on JB6 # F3629678TS10/16VCAPACITORC4, C7, C8, C10, C14, C15, C16, C18, C20, C14 # 13629550KM100/16VCAPACITORC31, C49, C52, C54, C76, C78, C81, C86, C929 # 13629509KM47/16VCAPACITORC34, C74 on JB2 INDUCTOR,COIL,FILTER F2449216SLF704

35、5T-151MR40SMD COILL3 on JB1 02563478NFM4516P13C204FEMI FILTERC48 on JB1 F2449210SLF7032T-4R7M1R7-2(4.7UH)COILL2 on JB1 CRYSTAL,RESONATOR 02673278CX-49G 11.2896MHZCRYSTALX2 on JB1 F5299108HC-49SM 8MHZCRYSTALX1 on JB1 CONNECTOR F343916053015-0210 2P P=2MMCONNECTORCN4 on JB1 F3439165A2001WR2-10PCONNECT

36、ORCN1 on JB1 # F3439200A2001WR2-15PCONNECTORCN2 on JB1 12 Apr.2002 WIRING,CABLE G3487163WIRING BATTERYL=80MM 2P 1 # G3467251WIRING 15PL=52MM P=2MMCN2 on PB1 # G3487421WIRING 10PL=40MM P=2MMCN1 on PB1 G3477146RIBBON CABLE3P L=40X5X5 MM P=2MMCN3 on JB1 SCREWS H5019110SCREW M3X6PAN TAPPING-2 FEZC 10 H5

37、029115SCREW 3X8PAN TAPPING-2 FEBZC 7 H5039205WASHER 12.5X9.5X0.5/0.9INTERNAL TOOTH FENI 4 H5029852SCREW 4M3 FEBZCHEXAGON SOCKET BUTTON HEAD 2 # H5029855SCREW M4X8HEXAGON BUTTON HEAD 4 H5039510NUT M9X12X2FENI 4 H5039413NYLON WASHER M4.1X7.5X0.5BLACK 2 H5039414NYLON WASHER M5.1X9.5X0.5BLACK 2 H5019430

38、SCREW M2.6X5BINDING HEAD TAPTITE FEZC 2 H5039521VR ACCESSORY NUT M7 7 H5039112WASHER M9 4 PACKING # G2627250PACKING CASE 1 G2607212PACKING CASE LOWER 1 G2237614REAR PAD 1 G2237613SIDE PAD 1 MISCELLANEOUS G2357115PEDAL FOOTM8 2 H2369427LED SPACERH=8MM 4 2215770201PEDAL GUIDE BUSH215-702 2 2217710900C

39、OIL SPRING214-109 2 G2257130BATTERY INSULATING SHEET 1 G2177308BATTERY TERMINAL(+) 1 G2177307BATTERY TERMINAL(+-) 1 G2177309BATTERY TERMINAL(-) 1 G2357111CUSHION R 2 G2257129INSULATING SHEET CENTER 1 # G2537552LABEL CAUTION 1 G2197126LED GUIDE 1 ACCESSORIES (Standard) # G6017350OWNERS MANUALJAPANESE

40、 1 # *ALKALINE BATTERYLR6SG-P2 3 # G6017351OWNERS MANUALENGLISH 1 13 OD-20(T) CHECKING THE VERSION NUMBER After you enter test mode, perform step 5. 1.Turn all knobs to MIN (all the way to the left). 2.While holding down the left pedal and the right pedal, insert the 9V plug into DC IN. At this time

41、, only the POWER LED will light. 3.Release the left and right pedals. The EFFECT ON/OFF LED will blink. 4.Within four seconds, press the left pedal and then the right pedal. If you were successful in entering test mode, the EFFECT ON/OFF LED, MANUAL LED, and MEMORY LED will light. 5.Set the TYPE vol

42、ume to METAL/LOUD. . The version number will be indicated as follows. For Ver1.00, only the MEMORY 2 LED will light. (The integer portion is indicated by the MEMORY 1 and 2 LEDs 1: MEMORY 1 LED: dark MEMORY 2 LED: lit 2: MEMORY 1 LED: lit MEMORY 2 LED: dark 3: MEMORY 1 LED: lit MEMORY 2 LED: lit The

43、 first decimal place is indicated by the MEMORY 3 and 4 LEDs 0: MEMORY 3 LED: dark MEMORY 4 LED: dark 1: MEMORY 3 LED: dark MEMORY 4 LED: lit 2: MEMORY 3 LED: lit MEMORY 4 LED: dark 3: MEMORY 3 LED: lit MEMORY 4 LED: lit The second decimal place is indicated by the MANUAL LED and MEMORY LED 0: MANUA

44、L LED: dark MEMORY LED: dark 1: MANUAL LED: dark MEMORY LED: lit 2: MANUAL LED: lit MEMORY LED: dark 3: MANUAL LED: lit MEMORY LED: lit ) RESTORING THE FACTORY SETTINGS Returning Settings to Their Factory Defaults You can restore the memories (1-4), pedal mode settings, and the MEMORY Number Indicat

45、ion to their original factory values. Memory Settings Memory 1LOUD Memory 2LEAD Memory 3OD-1 Memory 4STACK Pedal Mode 1 (MANUAL - MEMORY 1 - MEMORY 2 - MEMORY 3 - MEMORY 4 - MANUAL) MEMORY Number Indication Lighting Pattern 1(Only the indicator for the selected memory lights up.) Carrying out the fo

46、llowing procedure completely clears the content currently stored in the memories (1-4). 1.Switch off the power. Disconnect the connection plug from the INPUT jack. 2.While holding down the WRITE button, switch on the power. Insert the connection plug into the INPUT jack. When you release the button,

47、 the MEMORY Number indicators blink. 3.Press the MEMORY WRITE button. After the MEMORY Number indicators begin blinking rapidly, the setting is stored in memory and the unit returns to its ordinary state. *To cancel the setting change, operate the EFFECT ON/OFF pedal or the MANUAL/MEMORY pedal before pressing the MEMORY WRITE button. The unit will return to its ordinary state. TEST MODE Required items