bossDD-20_SERVICE_NOTES(1)电路图.pdf

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1、 SERVICE NOTES Issued by RJA Copyright 2003 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)17058152E0 Mar.2003DD-20(T) TABLE OF CONTENTS SPECIFICATIONS.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.14 RESTORING THE FACTORY SETTINGS.14 TEST MODE.14 BLOCK DIAGRAM.22 CIRCUIT BOARD (JK-A).24 CIRCUIT BOARD (JK-B).25 CIRCUIT BOARD (PANEL-A).26 CIRCUIT BOARD (PANEL-B).27 C

3、IRCUIT DIAGRAM (JACK).28 CIRCUIT DIAGRAM(PANEL).30 RadioFans.CN 收音机爱 好者资料库 2 Mar.2003 SPECIFICATIONS DD-20: DIGITAL DELAY Nominal Input Level 20 dBu (GUITAR/BASS) +4 dBu (AMPLIFIER SEND/RETURN) Input Impedance 1 Mohm Nominal Output Level 20 dBu (GUITAR/BASS) +4 dBu (AMPLIFIER SEND/RETURN) Output Imp

4、edance 1 kohm (OUTPUT A (MONO), B) 33 ohm (PHONES) Recommended Load Impedance 10 kohm Residual Noise Level 93 dBu or less (IHF-A typ.) *E. LEVEL/F. BACK/TONE knobs are set to the center position Display Custom LCD (with backlit) Controls ON/OFF Pedal MEMORY/TAP Pedal DELAY TIME Knob E.LEVEL Knob F.

5、BACK Knob TONE Knob MODE Knob TAP Button TEMPO Button MEMORY WRITE Button MEMORY SELECT Button Indicators POWER Indicator (serves also as battery check indicator) ON/OFF Indicator MEMORY Indicator TAP Indicator MANUAL Indicator MEMORY Number Indicator 1-4 TEMPO Indicator Connectors INPUT A (MONO) Ja

6、ck (1/4 inch phone type) INPUT B Jack (1/4 inch phone type) PHONES Jack (stereo 1/4 inch phone type) CTL PEDAL Jack (1/4 inch phone type) OUTPUT A (MONO) Jack (1/4 inch phone type) OUTPUT B Jack (1/4 inch phone type) AC Adaptor Jack Power Supply Dry battery (R6/LR6 (AA) type) x 6: DC 9V AC Adaptor (

7、DC 9V) Current Draw 200 mA (9 V max.) *Expected battery life under continuous use: Carbon:2 hours Alkaline:7 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 1.2 kg / 2 lbs 11 oz (inclu

8、ding batteries) Accessories Owners Manual JAPANESE:(#G6017365) ENGLISH:(#G6017366) 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 product improvement, the specific

9、ations 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 DD-20(T) RadioFans.CN 收音机爱 好者资料库 4 Mar.2003 LOCATION OF CONTROLS fig.panel-p C C 1 B 5 15 4 C E F G D A D 3 36H27 8 9 10 11 121314 16 17N 18 19 20 21 22 K J LM I 5 DD-20(T) LOCATION OF CONTROL

10、S PARTS LIST No.Part CodePart NameDescription 1G2477122R-KNOB 2H5029855SCREW M4X8HEXAGON BUTTON HEAD NI 3G2567155ENC ESC 4G2477130ENC KNOB 5G2497001KEYTOP S(RED) 6G2567156LCD PANEL 7G2217180PANEL 8G2217181LED PANEL 9H5029851PEDAL SHAFT 10G2357116PEDAL PLATE62X53 11H5029852SCREW 4M3 FEBZCHEXAGON SOCK

11、ET BUTTON HEAD 1275E041R000PEDAL R 1375E041L000PEDAL L 1475E041C000CASE 15G247751301VGA KEYTOP S WITHOUT LENS 16G2217182REAR PANEL 17G2537731QUICK MANUAL LABEL 18G2017621BATTERY COVER 1975D422E000BOTTOM COVER 20G2357118BOTTOM FOOT 2140123545JACK NUT 9X11X2HLJ0999-01-240 NI 2240016467JACK WASHER M9.2

12、X14X0.5FENI A03231912ROTARY ENCODER W/SW R-ENCODER EVQB1SZ1720B BF3279802POTENTIOMETERNO CLICK 50KBRD901-40-125F-B54-00D CF5029106LED (GREEN)L-32GDSL D1502928100LED (RED)L-34HDSL EF5029133LED (BLUE)L-934MBD FF3129306SWITCHSKQKAB GF5029126POWER LEDL-113GDT HF5029414LCDDC-320 A IF3279819ROTARY POT. W/

13、CENTER CLICKRD901-40-125F-B54-0CD 50KB JF3279803POTENTIOMETER 11 CLICKS 50KBRD901-40-125F-B54-11D K13129778TACT SWITCHSKQKAH LF3449707PHONE JK(STREO)HTJ-064-12DS M13449150MFPHONE JACK (STEREO)HTJ-064-12D NF344941501ADAPTOR JKKM02009BB 6 Mar.2003 EXPLODED VIEW FIG.EXPLO2 a 11 18 a 12 18 11 16 j 14 15

14、 17 10 13 7 DD-20(T) B B B BG G G G2 2 2 22 2 2 23 3 3 3 b 43 2823 b f e 25 26 1 k 27 21 20 m n c 22 24 32 29 33 32 30 31 44 1 45 45 8 Mar.2003 fig.explo3 1 2 5 3 i 4 g h RIGHT SIDE LEFT SIDE9 6 7 8 9 DD-20(T) EXPLODED VIEW PARTS LIST PARTS SCREWS No.Part CodePart NameDescriptionQty 175E041C000CASE1

15、 2G2357111CUSHION R2 3H5029851PEDAL SHAFT2 42215770201PEDAL GUIDE BUSH215-7022 52217710900COIL SPRING217-1092 6G2357116PEDAL PLATE62X532 7G2357115PEDAL FOOTM82 875E041R000PEDAL R1 975E041L000PEDAL L1 10G2017148BOTTOM COVER1 11G2357118BOTTOM FOOT2 12G2017621BATTERY COVER1 13G2017620BATTERY CASE1 14G2

16、177308BATTERY TERMINAL(+)1 15G2177309BATTERY TERMINAL(-)1 16G2177307BATTERY TERMINAL(+-)1 17G2257130BATTERY INSULATING SHEET1 18G2537731QUICK MANUAL LABEL1 20G2477130ENC KNOB1 21G2477122R-KNOB4 22G2567155ENC ESC1 23G2257129INSULATING SHEET CENTER1 24G2217180PANEL1 25G2217182REAR PANEL1 26G2217181LED

17、 PANEL1 27G2567156LCD PANEL1 28G2197127JACK SPACER1 29F5029414LCDDC-320 A1 30G224780201DIFFUSION SHEET1 31F5029410LCD BACKLIT43.3X23.61 32G247751301VGA KEYTOP S WITHOUT LENS3 33G2497001KEYTOP S(RED)1 43G2147807JACK HOLDER1 4475E041M000JACK BOARD ASSY1 4575E041P000PANEL BOARD ASSY1 No.Part CodePart N

18、ameDescriptionQty aH5029115SCREW 3X8PAN TATITE FEBZC7 bH5019110SCREW M3X6PAN TAPTITE FEZC13 cH5029855SCREW M4X8HEXAGON BUTTON HEAD NI4 e40016467JACK WASHER M9.2X14X0.5FENI6 f40123545JACK NUT 9X11X2HLJ0999-01-240 NI6 gH5029852SCREW 4M3 FEBZCHEXAGON SOCKET BUTTON HEAD2 hH5039413NYLON WASHER M4.1X7.5X0

19、.5BLACK2 IH5039413NYLON WASHER M4.1X7.5X0.5BLACK2 jH5019430SCREW M2.6X5BINDING HEAD TAPTITE P FEZC2 kH5039521VR ACCESSORY NUT M74 mH5039521VR ACCESSORY NUT M71 nH5039127VR WASHER M71 10 Mar.2003 PARTS LIST fig.part1e SAFETY PRECAUTIONS: The parts marked have safety-related characteristics. Use only

20、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 NUMBER Ex.1022575241Sharp KeyC-20/50 152247017300Knob (orange)DAC-15D Failure to completely fill the ab

21、ove items with correct number and description will result in delayed or even undelivered replacement. NOTE: The parts marked # are new. (initial parts) CASINGQty G2357116PEDAL PLATE62X53 2 G2017620BATTERY CASE 1 G2017621BATTERY COVER 1 75D422E000BOTTOM COVER 1 G2357118BOTTOM FOOT 2 # 75E041C000CASE

22、1 # G2217181LED PANEL 1 # G2217180PANEL 1 # 75E041L000PEDAL L 1 # 75E041R000PEDAL R 1 H5029851PEDAL SHAFT 2 # G2217182REAR PANEL 1 KNOB,BUTTON # G2567155ENC ESC 1 # G2477130ENC KNOB 1 # G2497001KEYTOP S(RED) 1 # G2567156LCD PANEL 1 G2477122R-KNOB 4 G247751301VGA KEYTOP S WITHOUT LENS 3 SWITCH 131297

23、78SKQKAHTACT SWITCHSW6,SW1 on panel2 F3129306SKQKABSWITCHSW2,SW3,SW4,SW5 on panel4 JACK,EXT TERMINAL # F3449707HTJ-064-12DSPHONE JK(STREO)JK1,JK2 on Jack2 13449150MFHTJ-064-12DPHONE JACK (STEREO)JK3,JK4,JK5,JK8 on Jack4 # F344941501KM02009BBADAPTOR JKJK6 on Jack1 DISPLAY UNIT F502941043.3X23.6LCD BA

24、CKLIT 1 # F5029414DC-320 ALCDLCD1 on panel1 PWB ASSY # 75E041M000JACK BOARD ASSY 1 # 75E041P000PANEL BOARD ASSY 1 IC # F5199108NJM2374AM-TE1IC (SWITING REGULATOR)IC11 on Jack1 # F5179307M12L6416-7TIC (SDRAM)IC16 on Jack1 # F5209130M51957BFPIC (RESET)IC7 on Jack1 # 15289216M5218AFP-600EIC (OP AMP)IC1

25、,IC4,IC5 on Jack3 # F5279308BU2090FIC (LED DRIVER)IC1on panel1 # 03232367DRIVER BU9728AKV-E2IC (LCD DRIVER)IC2 on panel1 # 03236601UPD703105AGJ-019-UEN DD-20 1.IC (CPU)IC8 on Jack1 F5289102NJM2100M 8P SOPIC (OP.AMP)IC3 on Jack1 F5179604CAT24WC02JIC (EEPROM)IC10 on Jack1 02565501TC220CCA0AF-B01(MR3)I

26、C (DSP)IC9 on Jack1 F5179125S-8520E33MC-BJS-T2IC (DC-DC)IC12 on Jack1 01679990AK4524VF-E2IC (AD/DA)IC6 on Jack1 # F5279305TC4066BFTICIC18 on Jack1 # F5179171TC7S14FU-TE85LICIC15 on Jack1 15189250M5218ALIC (OP AMP)IC13 on Jack1 11 DD-20(T) TRANSISTOR 153191072SC4116-GR(TE85R)TRANSISTORQ9,Q10,Q11,Q12,

27、Q13,Q14,Q15 on Jack7 15329521RN1307(TE85R)TRANSISTORQ7 on Jack1 # F5329536CPH6302POWER MOS FETQ17 on Jack1 153291032SK880GR-TE85RFET TRANSISTORQ1,Q5 on Jack2 F53295302SK879YFETQ2,Q3,Q4,Q6,Q8 on Jack5 # F5119901RN1207-TE85RDIGITAL TRANSISTORQ1 on panel1 DIODE # 15019523CHRD 5.1EB3ZENNER DIODED1 on pa

28、nel1 150191261SS133 T-77SWITCHING DIODED2,D3,D4,D5,D6,D7 on panel6 F5029126L-113GDTPOWER LEDLED1 on panel1 1502928100L-34HDSLLED (RED)LED10,LED11,LED12,LED14,LED15,LED16,LED 17 on panel 7 F5029106L-32GDSLLED (GREEN)LED9 on panel1 F5029133L-934MBDLEDLED6 on panel1 153391201SS302DIODEDA1,DA2,DA3,DA4,D

29、A5,DA6,DA7 on Jack7 F53391381SS355DIODED1,D2,D3,D4,D5,D6 on Jack6 F5339137SS14 VF=0.45VDIODED7,D9,D10 on Jack3 # F5029129SML-110MTCHIP LED(GREEN)LED2,LED3,LED4,LED5 on panel4 RESISTOR F5419707CRN34101JRESISTOR ARRAYRA9,RA12,RA15,RA16 on Jack4 # F5419764CRN34470JRESISTOR ARRAYRA3,RA5,RA6,RA7,RA8,RA10

30、,RA11,RA13,RA17 on Jack 9 # F5419714EXBA10P103JRESISTOR ARRAYRA2,RA4 on Jack2 F542936615K OHM F RANK (1%)RESISTOR (CHIP)R86 on Jack1 F5419716CRN34103JRESISTOR (CHIP)RA14,RA18,RA20 on Jack3 F5419726CRN34473JRESISTOR ARRAYRA1 on Jack1 F2569127MINISMDC075POLY SWITCHR76 on Jack1 00566867RPC05T 100 JMTL.

31、FILM RESISTORR126 on Jack1 00567023RPC05T 101 JMTL.FILM RESISTORR73,R145,R146 on Jack3 00567156RPC05T 102 JMTL.FILM RESISTORR7,R31,R51,R70,R74,R78,R90,R120,R129 on Jack R12,R13,R14,R15 on panel 9 00567289RPC05T 103 JMTL.FILM RESISTORR3,R8,R13,R15,R18,R23,R26,R29,R32,R34,R37, R42,R71,R72,R83,R101,R10

32、2,R119,R130,R157, R160,R163,R166 on Jack 23 00567412RPC05T 104 JMTL.FILM RESISTORR10,R11,R22,R36,R50,R55,R56,R57,R58,R59,R108, R115,R117,R127,R154,R156 on Jack 16 00567556RPC05T 105 JMTL.FILM RESISTORR4,R9,R16,R17,R25,R27,R33,R45,R46,R60,R61, R62,R63,R64,R88 on Jack 15 00567290RPC05T 123 JMTL.FILM R

33、ESISTORR161,R162 on Jack2 00567334RPC05T 273 JMTL.FILM RESISTORR82 on Jack1 00567367RPC05T 393 JMTL.FILM RESISTORR12,R14,R30,R43 on Jack4 00566967RPC05T 470 JMTL.FILM RESISTORR75,R92,R93,R95,R137,R138,R139,R140,R141, R142 on Jack 10 00567245RPC05T 472 JMTL.FILM RESISTORR48,R49,R79,R80,R85,R153,R155

34、on Jack7 00567378RPC05T 473 JMTL.FILM RESISTORR1,R2,R5,R6,R19,R20,R21,R28,R35,R40,R41,R44, R47,R65,R66,R67,R68,R69,R103,R104,R105,R106, R110,R111,R112,R113,R118,R124,R136,R159 on Jack 30 00567278RPC05T 822 JMTL.FILM RESISTORR24,R38,R39,R52 on Jack4 # F5399950R-33_1/2WCHIP RESISTOR(1/2W)R109,R116 on

35、Jack2 F53999081 J (3225TYPE)CHIP RESISTORR77 on Jack1 F5429392287K F (1608TYPE)CHIP RESISTORR81 on Jack1 01788301RD16ST26A 102 JCARBON RESISTORR5,R6,R11,R17,R18,R19,R20 on panel7 # 01897556RD16ST26A 221 JCARBON RESISTORR7 on panel1 01788312RD16ST26A 222 JCARBON RESISTORR3 on panel1 01897578RD16ST26A

36、 331 JCARBON RESISTORR4 on panel1 #F5399296R-603/4R7MTL.FILM RESISTORR53 on Jack1 00567112RPC05T 471 JCHIP RESISTORR1,R2 on panel2 00567501RPC05T 474 JCHIP RESISTORR16 on panel1 POTENTIOMETER F3279819RD901-40-125F-B54-0CD 50KBROTARY POT. W/CENTER CLICKVR2 on panel1 F3279802RD901-40-125F-B54-00DPOTEN

37、TIOMETERNO CLICK 50KBVR3,VR4 on panel2 F3279803RD901-40-125F-B54-11DPOTENTIOMETER 11 CLICKS 50KBVR1 on panel1 CAPACITOR 13639581M010/35VELECTROLYTIC CAPACITOR (7MM)C4,C6,C8,C12,C13,C18,C20,C28, C34,C58,C59,C82 14 F523925247/50VELECTROLYTIC CAPACITOR (7MM)C79,C80 on Jack2 F5349400B0805F105ZNTCHIP CAP

38、ACITOR (2012TYPE)C108,C33 on Jack2 # F5359332C-603/105PCHIP CAPACITORC170 on Jack1 # F5359354C-603/334PCHIP CAPACITORC40,C41,C42,C43,C44 on Jack5 12 Mar.2003 # 15359701CERAMIC CAPACITOR ECUV1H104ZFCHIP CAPACITORC23,C27,C46,C47,C48,C49,C50, C52,C54,C55,C56,C57,C60,C74, C76,C78,C84,C96,C97,C103,C134,

39、C136,C140,C141,C142,C143,C144, C147,C149,C154,C155,C156,C157, C158,C159,C160,C161,C162,C163, C180,C181 on Jack, C1 on panel 42 # 002396010.1U/50VPOLYEST CAPACITORC2,C16 on Jack2 13629624S06SC10M+T (OS) 6.3V10CHEMICAL CAPACITORC5 on Jack1 02891767RC2-16V100M-T2CHEMICAL CAPACITORC26,C31,C35,C75,C135,C

40、145 on Jack, C3 on panel 7 02891745RC2-16V101M-T2CHEMICAL CAPACITORC45,C61,C83,C95,C98,C100,C106, C112,C139,C164 on Jack 10 02897889RC2-16V470M-T2CHEMICAL CAPACITORC148 on Jack1 02782723RC2-50V010M-T2CHEMICAL CAPACITORC137 on Jack1 02129534ECJ1VB1H102KCERAMIC CAPACITORC21,C22,C114,C119,C131 on Jack,

41、 C4 on panel 6 01674612ECJ1VB1H103KCERAMIC CAPACITORC150,C152,C165,C166,C167,C168 on Jack 6 F5359816C-603/683PCERAMIC CAPACITORC77 on Jack1 01674334ECUV1H101JCVCERAMIC CAPACITORC3,C17 on Jack2 01674356ECUV1H151JCVCERAMIC CAPACITORC86,C104,C110 on Jack3 01674201ECUV1H180JCVCERAMIC CAPACITORC92 on Jac

42、k1 01674212ECUV1H220JCVCERAMIC CAPACITORC91 on Jack1 01674234ECUV1H330JCVCERAMIC CAPACITORC1,C10,C15,C30 on Jack4 01674423ECUV1H471JCVCERAMIC CAPACITORC11,C32 on Jack2 15359612ECUV1H100DNCERAMIC CAPACITORC51,C101,C102,C107,C113,C120, C130,C151,C153 on Jack 9 13519452DD-306-959F104Z25CERAMIC CAPACITO

43、RC2 on panel1 CAPACITOR INDUCTOR,COIL,FILTER F2449214SLF12555T-681MR43 680UHSMD COILL2 on Jack1 # F5409134BLM18BD152SD1FERRITE-BEADL16,L17 on Jack2 # F5409102N1608Z601T02FERRITE-BEADL1,L4,L8,L9,L12,L13,L18,L21,L24,L25 on Jack10 # F5409133QT1608RL600HC1AFERRITE-BEADL19,L20,L22 on Jack3 F5409114NFM451

44、6P13C204FEMI FILTERC62 on Jack1 F2449209SLF7032T-151MR29-2(150UH)COILL3,L5 on Jack2 CRYSTAL,RESONATOR F5299307HC-49SM 11.2896MHZCRYSTALX2 on Jack1 F5299114HC-49SM 5MHZCRYSTALX3 on Jack1 ENCODER # 03231912R-ENCODER EVQB1SZ1720BROTARY ENCODER W/SWENC_on panel1 CONNECTOR F343916053015-0210 2P P=2MMCONN

45、ECTORCN3 on Jack1 F3439161A2001WR2-16P P=2MMCONNECTORCN2,CN1 on Jack2 # F3439197A2541WV2-2AX12PSOCETCN3,CN4 on panel2 WIRING,CABLE G3477154FLAT CABLE3P P=2MMCN4,CN5 on Jack2 G3489223WIRING 16P16PCN1,CN2 on panel2 G3487163WIRING BATTERYL=80MM 2P 1 SCREWS H5029115SCREW 3X8PAN TATITE FEBZC 7 H5019110SC

46、REW M3X6PAN TAPTITE FEZC 13 40123545JACK NUT 9X11X2HLJ0999-01-240 NI 6 H5029852SCREW 4M3 FEBZCHEXAGON SOCKET BUTTON HEAD 2 H5029855SCREW M4X8HEXAGON BUTTON HEAD NI 4 40016467JACK WASHER M9.2X14X0.5FENI 6 H5039413NYLON WASHER M4.1X7.5X0.5BLACK 4 H5019430SCREW M2.6X5BINDING HEAD TAPTITE P FEZC 2 G2197127JACK SPACER 1 # G2147807 JACK HOLDER 1 H5039414NYLON WASHER M7.5X4.1X0.5BLACK2 H5039521VR ACCESSORY NUT M7 5 H5039127VR WASHER M7 1 PACKING H2679505POLYETHYLENE BAG220X34