Boss_CH-1T_Super_Chorus_Service_Manual电路图.pdf

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1、SERVICE NOTES Second Edition 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) (AS)17059132E2 May 2002CH-1(T) SPECIFICATIONS.2 LOCATION OF CONTRO

2、LS,PARTS LIST.3 EXPLODED VIEW,PARTS LIST.4 PARTS LIST.5 THE INSPECTION METHOD .7 CIRCUIT BOARD.8 CIRCUIT DIAGRAM.9 WARNING Due to an IC change, the parts have been changed from serial No. AP11700. We call the new type of this model, CH-1A for identifying the old type and new type for convenience on

3、service system. Although the model name will change from “CH-1” to “CH-1A”, the product pedal is still labeled “CH-1”. The appearance of “CH-1” and “CH-1A” are the same. Identify by the serial number or the model name that is silk-screen printed on the board. When referring to the service notes or o

4、rdering parts, check the model name using the above process. This service note is for “CH-1A”. Refer to “CH-1 SERVICE NOTES”(#17059132)when repairing “CH-1”. Variable resistor, jack, switch and mechanical parts for the “CH-1” and “CH-1A” are compatible RadioFans.CN 收音机爱 好者资料库 2 May 2002 SPECIFICATIO

5、NS Power Supply DC 9 V; Dry battery (6F22/9V) AC Adaptor (PSA-series) Current Draw 22 mA (DC 9 V) *Expected battery life under continuous use: Carbon: 12 hours These figures will vary depending on the actual conditions of use. Controls Pedal Switch Effect Level Equalizer Modulation Rate Modulation D

6、epth Indicator Check Indicator (serves also as battery check indicator) Jacks Input Output A Output B AC Adaptor Residual Noise -95 dBu or less (IHF-A, Typ.) with EQ set to the center position Input Impedance 1 M ohm Output Load Impedance 10 k ohm or greater Dimensions 73 (W) x 129 (D) x 59 (H) mm 2

7、-7/8 (W) x 5-1/8 (D) x 2-3/8 (H) inches Weight 400 g / 14 oz (including battery) Accessories OWNERS MANUALENGLISH(#G601721501) JAPANESE(#G601721603) Dry Battery(#*); 6F22/9V (Carbon) Leaflet (“USING THE UNIT SAFELY,” “IMPORTANT NOTES,” and “Information”) Options AC Adaptor PSA-Series *0 dBu = 0.775

8、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 CH-1(T) LOCATION OF CONTROLS,PARTS LIST fig.panel NO.PART CODEPART NAMEDESCRIPTION 12247738600KNOB247-386 13279918POTENTIOMETER (E.LEV

9、EL/EQ/RATE)RK0971110 250KC 22221758901PANEL 313449150MFPHONE JACK (STEREO)HTJ-064-12D 42235730400FOOT BASE (PEDAL MAT)235-304 5H5029820THUMB SCREW 3X10MM 7752443C000CASE 6752442T000PEDAL 8F3449112JACK (STEREO)HTJ-064-13D 92247738600KNOB (GRAY)247-386 F3239402POTENTIOMETERRD901-20-15K-B15 100KB 10150

10、2928100LED (RED)L-34HDSL 1113449711AC ADAPTOR JACKHEC-0470-01-630 122253753801PSA CAUTION253-538 132202785100BOTTOM COVER 142235730500BOTTOM BASE 15G253751603BOTTOM CAUTION PSAFCC/CE/C-TICK/EMC GRY RadioFans.CN 收音机爱 好者资料库 4 May 2002 EXPLODED VIEW,PARTS LIST fig.explo PARTS SCREW No.PART CODEPART NAM

11、EDESCRIPTIONQTY 113129710SWITCH (PUSH)JM-04041 22226733300CUSHION226-3331 3F3419102BATTERY CONNECTOR1 4G253751603BOTTOM CAUTION PSAFCC/CE/C-TICK/EMC GRY1 52235730500BOTTOM BASE235-3051 62202785100BOTTOM COVER202-8511 72216756000INSULATION SPACER1 82215770201PEDAL GUIDE BUSH215-7021 92217710900COIL S

12、PRING217-1091 102235730400FOOT BASE (PEDAL MAT)235-3041 No.PART CODEPART NAMEDESCRIPTIONQTY aH5039401NYLON WASHER 3X6X0.52 b40010267SCREW M3X10BINDING FE BZC2 c40010901SCREW M3X6BINDING B1 BZC4 dH5029820SCREW M3X10THUMB SCREW1 11 2 3 4 a 5 6 7 8 9 d 10 b c 5 CH-1(T) PARTS LIST fig.part1e CASING 2235

13、730500BOTTOM BASE235-305 1 2235730400FOOT BASE (PEDAL MAT)235-304 1 2202785100BOTTOM COVER202-851 1 # 752443C000CASE 1 # 2221758901PANEL 1 # 752442T000PEDAL 1 KNOB,BUTTON 2247738600KNOB247-386 (GRAY) 4 SWITCH 13129710JM-0404SWITCH (PUSH)SW11 JACK,EXT TERMINAL 13449150MFHTJ-064-12DPHONE JACK (STEREO)

14、JK2,JK3 (OUT PUT A , OUT PUT B)2 F3449112HTJ-064-13DJACK (STEREO)JK1 (IN PUT)1 13449711HEC-0470-01-630AC ADAPTOR JACKJK41 PWB ASSY # 752443O000JACK BOARD ASSYCH-1A 1 # 752443L000LED BOARD ASSYCH-1A 1 # 752443P001MAIN BOARD ASSYCH-1A 1 IC F5199105S-81250 SGY-ZIC (REGULATOR)IC61 02894289NJM022BMIC (OP

15、 AMP)IC2,IC42 F5209133ES56028SIC (ECHO)IC11 15289141M5223AFP-600DIC (BIPOLAR OP AMP)IC51 TRANSISTOR 153191082SC-3324GR-TE85RTRANSISTORQ11 153191072SC4116-GR(TE85R)TRANSISTORQ5,Q6,Q7,Q8,Q9,Q106 F53295302SK879YFET TRANSISTORQ2,Q42 15329103T02SK880-GR(TE85R)FET TRANSISTORQ31 DIODE 010195341SS355 TE-17S

16、WITCHING DIODED3,D42 1502928100L-34HDSLLED (RED)LED11 153391211SS301(TE85R)(CHIP)DIODEDA1,DA22 F5339201GS1GDIODED21 F5339312RD5.6S B3DIODED11 RESISTOR 00567023RPC05T 101 JMTL.FILM RESISTORR561 00567156RPC05T 102 JMTL.FILM RESISTORR1,R18,R713 00567289RPC05T 103 JMTL.FILM RESISTORR2,R5,R7,R9,R10,R12,R

17、19,R23,R25,R27,R35, R37, 13 00567412RPC05T 104 JMTL.FILM RESISTORR3,R21,R28,R33,R40,R41,R627 00567556RPC05T 105 JMTL.FILM RESISTORR6,R14,R20,R24,R34,R53,R69,R708 00567290RPC05T 123 JMTL.FILM RESISTORR11,R262 00567423RPC05T 124 JMTL.FILM RESISTORR581 00567301RPC05T 153 JMTL.FILM RESISTORR43,R61,R633

18、00567189RPC05T 182 JMTL.FILM RESISTORR421 00567312RPC05T 183 JMTL.FILM RESISTORR16,R172 00567323RPC05T 223 JMTL.FILM RESISTORR221 00567456RPC05T 224 JMTL.FILM RESISTORR681 SAFETY PRECAUTIONS: The parts marked have safety-related characteristics. Use only listed parts for replacement. CONSIDERATION O

19、N 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 above items with correct number and description

20、 will result in delayed or even undelivered replacement. NOTE: The parts marked # are new. (initial parts) 6 May 2002 00567334RPC05T 273 JMTL.FILM RESISTORR4,R82 00567345RPC05T 333 JMTL.FILM RESISTORR36,R52,R653 00567112RPC05T 471 JMTL.FILM RESISTORR481 00567378RPC05T 473 JMTL.FILM RESISTORR13,R15,R

21、55,R594 00567256RPC05T 562 JMTL.FILM RESISTORR601 00567389RPC05T 563 JMTL.FILM RESISTORR38,R39,R45,R464 01892767MCR03 EZH J 752CHIP RESISTOR(1608TYPE)R29,R312 01892989MCR03 EZH J 753CHIP RESISTOR(1608TYPE)R30,R322 POTENTIOMETER 13279918RK0971110 250KC POTENTIOMETERVR1,VR2,VR3 (E,LEVEL , EQ , RATE)3

22、F3239402RD901-20-15K-B15 100KBPOTENTIOMETERVR4 (DEPTH)1 CAPACITOR 13549329M0ECQ-B1H104KF3 0.1/50VPOLYEST. CAPACITORC81 13639546M0ECEA1CKA100B 10UF/16VCHEMICAL CAPACITORC1,C7,C17,C35,C47,C486 13639550M0ECEA1CKA101B 100UF/16VCHEMICAL CAPACITORC27,C32,C333 13639549M0ECEA1CKA470B 47UF/16VCHEMICAL CAPACI

23、TORC14,C36,C533 13639602M0ECEA1HKA010B 1UF /50VCHEMICAL CAPACITORC2,C162 13639601M0ECEA1HKAR47B 0.47/50VCHEMICAL CAPACITORC13,C542 01674701ECJ1VF1E104Z 0.1UF/16VKCERAMIC CAPACITOR(CHIP)C10,C25,C26,C34,C375 02450767ECJ1VB1E183KCERAMIC CAPACITORC21,C232 01674612ECJ1VB1H103KCERAMIC CAPACITORC28,C30,C46

24、,C49,C505 01674478ECJ1VB1H122KCERAMIC CAPACITORC551 01674523ECJ1VB1H272KCERAMIC CAPACITORC12,C152 01674534ECJ1VB1H332KCERAMIC CAPACITORC19,C222 01674578ECJ1VB1H682KCERAMIC CAPACITORC3,C52 02456534ECJ1VF1C334ZCERAMIC CAPACITORC24,C292 01674667ECJ1VF1H333ZCERAMIC CAPACITORC561 01674689ECJ1VF1H473ZCERA

25、MIC CAPACITORC20,C312 01674334ECUV1H101JCVCERAMIC CAPACITORC4,C92 01674389ECUV1H221JCVCERAMIC CAPACITORC41,C422 01674390ECUV1H271JCVCERAMIC CAPACITORC11,C182 01674423ECUV1H471JCVCERAMIC CAPACITORC38,C392 WIRING,CABLE G3477101FLAT CABLE 1 SCREWS H5029820SCREW M3X10THUMB SCREW 1 H5029325SCREW 3X6PAN H

26、EAD TAPTITE-2 BZC 5 H5039205WASHER 12.5X9.5X0.5/0.9INTERNAL TOOTH FENI 3 H5039510NUT M9X12X2FENI 3 H501941301SCREW 3X10MMBINDING MACHINE FEBC 2 H5039104JACK WASHER M9.2X14X1.6AL 2 22137709JACK SPACER M9.6X14X1.0 1 H5039401NYLON WASHER 3X6X0.5 2 H5039521VR ACCESSORY NUT M7 4 H5039112WASHER M9 3 40010

27、267SCREW M3X10BINDING FE BZC2 40010901SCREW M3X6BINDING BI BZC4 PACKING G2627738INNER BOX 1 # 2262770603PACKING CASE 1 MISCELLANEOUS G253751603BOTTOM CAUTION PSAFCC/CE/C-TICK/EMC GRY 1 40016512INSULOK TIE80M/M T-18S 2 2226733300CUSHION267-333 1 2253753801PSA CAUTION253-538 1 2216756000INSULATION SHE

28、ET216-560 1 2215770201PEDAL GUIDE BUSH215-702 1 2217710900COIL SPRING214-109 1 F3419102BATTERY CONNECTOR 1 H2369402POLYCA PIPE M3X6X6 1 ACCESSORIES (Standard) # G601721603OWNERS MANUALJAPANESE 1 # G601721501OWNERS MANUALENGLISH 1 *Dry Battery 1 RESISTOR 7 CH-1(T) THE INSPECTION METHOD Output wavefor

29、m check 1.Connect an oscillator to the INPUT jack, and input test signal. 2.Connect an oscilloscope to the OUTPUT A jack. 3.Check that the minimum and maximum values for the delay time are as follows. fig.check1 . Residual noise check 1.Connect a 47k short plug to the INPUT jack. 2.Connect a noise m

30、eter to the OUTPUT A jack. 3.Measure the noise and check that it is -95dBu(IHF-A) or lower. fig.check2 INPUT 30Hz 200mVp-p SET CONTROLSOUTPUT Waveform (RANGE:1mS/DIV, 100mV/DIV) Minimum DELAY TIME Check OK : 3.6mS4.4mS 30Hz 200mVp-p (RANGE:1mS/DIV, 100mV/DIV) Maximum DELAY TIME Check OK : 7mS8mS 47k

31、 ohm Short Plug Noise Check OK : -95dBu(IHF-A) INPUTSET CONTROLSOUTPUT Waveform 8 May 2002 CIRCUIT BOARD fig.circit fig.circit View from component side View from foil side 9 CH-1(T) CIRCUIT DIAGRAM fig.circit 752443P001 A8V LED BOARD ASSY INPUT 752443L000 (PCB 2291749600) GRY A9V WHT A8V A8V (PCB G2

32、927201 2/2) DEPTH (PCB 2292768700) IN JACK GND MAIN BOARD ASSY A8V YEL BLU GRN A4.0V A8V BRN WHT RATE E.LEVEL 752443O000 A9V RED OUTPUT B A8V ORG (PCB G2927201 1/2) A8V VIO (F5209133) AC ADAP TOR OUTPUT A (MONO) A8V BLK JK BOARD ASSY A8V EQ MAXMINMINMAXLOHIMAXMIN *1 *1 CHECK *1 : No Mounting GRY *2

33、: S-81250SGY or NJU7201L50-T3 *1 *2 *1 *1 D A + + + D A +5V A + D + +5V D + D + A A A A D D + + A D + + +5V + D A D D + + + D + + + + +5V +5V D D D A D A A A A A A A C16 1/50 C32 100/16 R53 1M 5 7 SW1 JM-0404 12 10 14 R8 27k R18 1k Q4 2SK879Y 3 12 R33 100k R46 56k R60 5.6k C5 0.0068 R317.5k C30 0.01

34、 C15 0.0027 R24 1M 12 11 DA1 1SS301 12 3 Q6 2SC4116GR 1 23 R52 33k C42 220p C210.018 C24 0.33 C2 1/50 R65 33k BT1 9V 006P 12 4 13 14 R36 33k R55 47k 16 Q8 2SC4116GR 1 23 R39 56k C26 0.1 R68 220k R9 10k D2 GS1G 11 8 R5 10k C33 100/16 R40 100k C50 0.01 DA2 1SS301 12 3 VR3 250kC 1 2 3 15 3 R12 10k C8 0

35、.1(P) R4 27k Q1 2SC3324GR 1 23 R20 1M R42 1.8k R58 120k C27 100/16 R32 75k R10 10k R26 12k R28 100k D1 RD5.6SB3 12 C49 0.01 C41 220p R15 47k RH03ADCS4X (47kB) RT1 1 2 3 C230.018 C28 0.01 R23 10k LED1 L-34HDSL 12 2 JK3 HTJ-064-12D 1 2 3 17 8 15 D3 1SS355 12 R1 1k C7 10/16 JK1 HTJ-064-13D 1 2 3 12 C38

36、 470p Q10 2SC4116GR 1 23 R48 470 C10 0.1 2 JK2 HTJ-064-12D 1 2 3 19 C3 0.0068 R41 100k + - IC2B NJM022BM 6 5 7 18 3 Q5 2SC4116GR 1 23 C31 0.047 Q2 2SK879Y 3 12 C14 47/10 C11 270p R11 12k C22 0.0033 JK4 HEC0470-01-230 2 1 3 R13 47k C17 10/16 C34 0.1 + - IC5B M5223AFP 6 5 7 R56 100 Q9 2SC4116GR 1 23 R

37、27 10k C13 0.47/50 R297.5k R3075k D4 1SS355 12 C9 100p R17 18k C1 10/16 Q7 2SC4116GR 1 23 R38 56k C6 100/16 5 IC6 S-81250SGY IN 2 OUT 3 COM 1 9 10 13 R34 1M R14 1M C4 100p C47 10/16 C48 10/16 C39 470p R59 47k R7 10k C20 0.047 R63 15k 6 7 16 Q3 2SK880GR 3 12 + - IC2A NJM022BM 2 3 1 R45 56k 1 1 VR4 10

38、0kB 1 2 3 R6 1M C25 0.1 R43 15k IC1 ES56028S VCC 1 REF 2 A GND 3 D GND 4 NC 5 F_ADJ 6 uCOM/EASY 7 VDD 8 TEST 9 MODE 10 REQ/DEL1 11 SECK/DEL2 12 SEDATA/DEL3 13 MUTE 14 GC1 15 CC1 16 GC0 17 CC0 18 OP1 OUT 19 OP1 IN 20 OP2 IN 21 LPF2 OUT 22 LPF2 IN 23 LPF2 OUT 24 NC 25 ECHO FB 26 LPF1 OUT 27 LPF1 IN 28

39、R16 18k R25 10k C19 0.0033 + - IC5A M5223AFP 2 3 1 R66 10k R62 100k 9 C53 47/10 R61 15k R35 10k R2 10k + - IC2C NJM022BM 84 R70 1M + - IC4A NJM022BM 2 3 1 C55 0.0012 C56 0.033 + - IC4C NJM022BM 84 C37 0.1 + - IC4B NJM022BM 6 5 7 R69 1M R71 1k C18 270p R22 22k C54 0.47/50 VR2 250kC 1 2 3 VR1 250kC 1 2 3 C46 0.01 IC3 IN 2 OUT 3 COM 1 TER1EARTH_TERMINAL(RV-2) TER2EARTH_TERMINAL(RV-2) C29 0.33 C12 0.0027 C35 10/16 R37 10k C36 47/10 + - IC5C M5223AFP 84 R3 100k R21 100k R19 10k