Roland A-37 Service Manual 电路图.pdf

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1、A-37Sept, 2001 1 SERVICE NOTES Issued by RES First edition Copyright 2001 by ROLAND CORPORATION All rights reserved. No parts of this publication may be reproduced in any form whithout the written permission of ROLAND CORPORATION. SILKSCR. BOTTOM CABINET ASSY REMOVAL SCREW x10 Pcs SELF TAP. SCREW 3,

2、5x16 TCTCPRBZ Cod. J2289131 SN00053K6018448Printed in Italy (I00) (AD) ? ? ? TABLE OF CONTENTSPage SPECIFICATIONS1 LOCATION OF CONTROLS2 EXPLODED VIEW 3 KEYBOARD PARTS LIST4 PARTS LIST5 HOW TO VISUALIZE THE SYSTEM PROGRAM VERSION 6 HOW TO CARRY OUT THE FACTORY SETUP6 HOW TO ENTER TEST MODE 6 BLOCK D

3、IAGRAM9 JACK PCB ASSY DP-2, DP-6, or BOSS FS-5U footswitch; EV-5, Boss FV-300L expression pedal Specifications subject to change without prior notice. All other trademarks mentioned in this manual are the property of the respective companies. DISASSEMBLY RadioFans.CN 收音机爱 好者资料库 2 A-37Sept, 2001 LOCA

4、TION OF CONTROLS REAR VIEW RadioFans.CN 收音机爱 好者资料库 3 A-37Sept, 2001 EXPLODED VIEW RadioFans.CN 收音机爱 好者资料库 4 A-37Sept, 2001 KEYBOARD PARTS LIST 76 KEY KEYBOARD TP/9-AT Code: 7772109000 1 2 3 8 10 9 PMSM5 76 4 * CONTACT BOARDS ARE COMPLETE WITH RUBBER CONTACTS * Ref 1 2 3 4 5 6 7 8 9 10 11 * PARTS NAM

5、E KEY SPRING gr.63 NATURAL KEY C5 (gr.10)DO RE MI FA SOL LA SI MI ( I ) SOL ( F ) NATURAL KEY D6 (gr.10) NATURAL KEY E7 (gr.10) NATURAL KEY F1 (gr.10) NATURAL KEY G2 (gr.10) NATURAL KEY A3 (gr.10) NATURAL KEY B4 (gr.10) NATURAL KEY C8 (gr.10) NATURAL KEY G (gr.10) MATT SHARP KEY (gr.10) SELF TAP SCR

6、EW 2.9x8 TCTCPRBZ 12P RUBBER CONTACT 1P CONDUCTIVE RUBBER LR13/1 LEFT CONTACT BOARD W/RUBBER ASSY RIGHT CONTACT BOARD W/RUBBER ASSY PLASTIC CHASSIS GUIDE BUSHING INFERIOR GUIDE BUSHING SUPERIOR CONTACT BOARDS ARE COMPLETE WITH RUBBER CONTACTS SOL (F)MI (I) 76 KEYTP / 9 - ATKEYBOARD ASSY PARTS NUMBER

7、n. J217910176 6 6 6 7 6 6 6 1 1 31 42 7* 1 1 1 1 1 76 76 J2579112 J2579113 J2579114 J2579115 J2579116 J2579117 J2579118 J2579119 J2579121 J2579120 J2289126 2218523802 7625920000 7695005000 7695004000 J2589101 J2359104 22158789 11 LEFT RIGHT ABC CCCD C 12 P RUBBER CONTACT D C * CUT AND ASSEMBLY OF RU

8、BBER CONTACTS B A SENSOR AFTER TOUCHJ3169112 A-37Sept, 2001 5 CASINGQ.ty K2198102MUSIC REST1 22208320MUSIC SCORE HOLDER1 #7772106000VARN+SILKSCR. TOP CABINETA-371 #7772107000VARN+SILKSCR. BOTTOM CABINETA-371 #7772108000VARN. BATTERY COVER A-371 7770614000SILKSCREENED PLEXIGLASS RD-1501 KNOB BUTTON K

9、2478198POT. COVER1 K2478313BUTTON 20X10 WHITE8 K2478314BUTTON 20X10 DARK GREY13 #K2478346BUTTON 20X10 (RED)1 SWITCH J3169105SWITCH EVQ-PAE 05 RSW1,2,3,4,5,6,7 on CPU / SW1 = 15 on LCB22 13159111POWER SWITCH SSSP12114ASW1 on PS1 JACK, SOCKET 13449125JACK SOCKET HLJ0520-01-110JK1 on JB1 13449126JACK S

10、OCKET HLJ0520-01-010JK4 on JB1 134298255P DIN SOCKET YKF51-5054 (2PCS)JK1,2 on CPU2 13449711DC-SUPPLY SOC. HEC0470-01-630JK3 on PS1 DISPLAY UNIT 00239767DISPLAY TYPE LB-603VF (RED)DS1 on LCB1 KEYBOARD ASSY #777210900076 KEY KEYBOARD ASSY TP/9-AT1 NOTE: For details, refer to KEYBOARD PARTS LIST (Page

11、 4) PCB ASSY #7772105000POWER SUPPLY PCB ASSYA-371 7697603000JACK SOCKETS ASSYA-331 7700420000BOUNCE-TO-AFTERTOUCH ASSY1 #7772101000RIGHT CONTROL PCB ASSYA-371 #7772102000LEFT CONTROL PCB ASSYA-371 #7772103000CPU PCB ASSYA-371 7695004000RIGHT CONTACT BOARD W/RUBBER ASSY1 7695005000LEFT CONTACT BOARD

12、 W/RUBBER ASSY1 IC 15229718RII.C. 6N 137PHOTO-COUPLER IC1 on CPU1 15169550RII.C. 74 HC138DIP CMOSIC2 on LCB1 15249111I.C. TC7WU04 FFLAT CMOSIC13 on CPU1 15259821I.C. TC74HC573AFIC9 on CPU1 00129278I.C. SSC1080 FOB(CUSTOM IC)IC10 on CPU1 #J5259153I.C. AT24C64N-10SC 64K EPROMIC5 on CPU1 15259884I.C. T

13、C7S08F MOS CMOSIC8 on CPU1 15249104I.C. TC7S04F FLATIC11 on CPU1 J5259149I.C. TC74VHC541FT FLATIC6 on CPU1 15219183I.C. M51953 AL (STANDING)IC7 on CPU1 15149146IC TD62583AP(INTERF.DRIVER IC)IC3 on LCB1 15289141I.C. M5223FP-600DIC12 on CPU1 #7772104000I.C. MICRO CONTR.IC2 CPU (PROGRAM.) A-37IC2 on CP

14、U1 TRANSISTOR 15319101TRANSISTOR 2SC-2412KQ5 on CPU1 15329503TRANSISTOR DTA-124 EK CHIPQ1,2,3 on CPU3 15329516TRANSISTOR DTC-114EKQ4 on CPU1 15119163TRANSISTOR RN2227Q1,2,3,4 on LCB4 J5119105TRANSISTOR TN6717AQ3 on PS1 DIODE 15019159RIDIODE 1N-4148On LCB / on RCB / on RC/ on LC158 15339108DIODE DA-2

15、04KD1,2,3 on CPU3 J5029112LED DIODE 5 L-53 SRD-D / REDD1 =12 on LCB / D1,2,3,4 on RCB16 15019345RIZENER DIODE BZX79C 5.6VD5 on PS1 J5019105DIODE 1N 4002D1 on PS1 RESISTOR J3919104RESISTOR ARRAY EXB-A10E-103-JRA1,3,4,5,6 on CPU5 J3919108RESISTOR ARRAY EXB-V8V-103-JVRA2 on CPU1 J3809129UNINFL. RES. 22

16、0 OHM 0.6W 5%R1,2,3,4,5,6,7,8 on LCB8 POTENTIOMETER J3339101LIN. POT. CURSOR 100KB 10 MSVR1 on LCB1 CAPACITOR J3629103ELECTRL.COND. 100U 25V P5C1 on PS1 J3629104ELECTRL.COND. 10U 50V P5C21,22 on PS2 J3629105ELECTRL.COND. 47U 50V P5C2 on PS1 J5369103ELECTR. COND. RV2 100U 16V (SMD)C30 on CPU1 J536910

17、4ELECTR. COND. RV2 10U 16V (SMD)C2,11,16,23 on CPU4 J5369102ELECTR.COND. RV2 47U 16V SMDC3,5,65 on CPU3 J5369106ELECTR. COND. RV2 1U 50V (SMD)C20,33,64 on CPU3 J3629150ELECTR.COND. 47U 16V H.7C3,2 on LCB2 INDUCTOR, COIL, FILTER 12449382RINOISE SUP. PLT1-R53CFL1 on PS1 12449370NOISE SUP. SBT-0160WL1,

18、2,3,4 on CPU / L7,9 on JB6 12449326NOISE SUP. SBT-0460L5 on CPU1 CRYSTAL, RESONATOR 00894034X-TAL 16 MHZ MA-406X1 on CPU1 01124812QUARTZ 10 MHZ MA-406X2 on CPU1 CONNECTOR 13419677RI16P FEM. CONNECTOR AMP 1.27CN4,2 on CPU / on LC3 13369689RI20P FEM. CONNECTOR AMP 1.27CN6 on CPU / on RC2 J342912214P F

19、EM. CONNECTOR AMP 1.27CN1 on RCB / CN3 on CPU2 13439479RIMALE CONN.AMP 6W STANDINGCN1 on JB / CN8 on CPU2 J34391236P MALE CONN. P. 2 M 90CN4 on LCB1 J34291203P MALE CONNECTOR P.2 MCN10 on CPU / CN401 on AFT2 J34391684P MALE CONNECTOR 76384-404CN402 on AFT1 WIRING, CABLE 769510800116P FLAT CABLE (24)

20、 -2CFrom CN4 on CPU to LC1 77001120003P CABLE ASSY (64) -2C P.2From CN10 on CPU to CN401 on AFT1 BATTERY J25691022-BATTERY SET AA-SIZE (ALK.)3 SCREW J2289122SCREW 2.2X6 TC TC BRUN2 J2289125SCREW 2.9X10 TC TC PR TROP32 J2289131SELF TAP.SCREW 3.5X16 TCTCPRBZ26 J2289118SCREW 2.9X16 TC TC PR BRUN5 J2289

21、115SCREW 3.5X9.5 TC PR TFR H.814 J2289186SCREW 3.5X16 TCPR TFR H.8 BRUN4 PACKING #K2638260RIGHT POLYST. END-SIDE A-371 #K2638261LEFT POLYST. END-SIDEA-371 K2678109CARTENE ENVELOPE HD 150X401 K2678106POLYETH.ENVELOPE 4OX551 #K2618257OUTER PACKINGA-371 MISCELLANEOUS K2168117LED SPACER H.1,5 D.E.5,516

22、J2359101SPACER 3M ART. SJ50124 22248470ANTI-DUST COVER PL30N1 13419723RI9V BATTERY CONNECTION1 12209532RIBATTERY HOLDER FOR 6 BATTERIES1 22365708HOLDER F/POWER SUPPLY CBL1 13429823RIP. SUPPLY PLUG LOCKING1 ACCESSORIES 23485228MIDI CABLE 1M - BLACK1 K6018109MIDI GUIDE1 #K6018447OWNERS MANUAL (E/D/F/S

23、P/IT/OL)A-371 PARTS LIST A-37 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 an

24、d description will result in delayed or even undelivered replacement. CONSIDERATION ON PARTS ORDERING NOTE: #The parts marked # are new (Initial Parts). AThe parts marked A are new (Initial Parts).for RES but already used by RJA The parts marked have Safety - Related characteristics. Use only listed

25、 parts for replacement. Component for EMC. N No ot te e : :Replacement should be made on a unit basis. No replacements available for individual parts. Replacement only be a unit. ! ! ! ! SAFETY PRECAUTIONS : The parts marked have safety-related characteristics. Use only listed parts for replacement.

26、 ! ! RCB = Right Control Board LCB = Left Control Board CPU = CPU Board PS= Power Supply B. JB= Jack Board AFT = Bounce After Touch Board A-37Sept, 2001 6 a) Front Panel check (Controls) Once you have entered the control panel check, press button 1: The display visualizes: If you press the button 1,

27、 you check the buttons. If you press the button 2, you check the LEDs. If you press the button 3, you check the Controls (modulation, bender, data entry). Buttons check Once you have entered the front panel test mode, press button 1. The display visualizes pict. A: If you press the buttons of the co

28、ntrol panel one after the other, the display will visualize their name. When you release the button, the display will visualize: OFF (See pict. B). Press EXIT and WRITE at the same time to exit. The test procedure automatically goes back to the previous menu. Note: It is not possible to go on to the

29、 following step if this test is not carried out correctly. If you exit the test before checking all the buttons, the display indicates the name of the untested buttons. Press EXIT to go back to the main menu. LED check Once you have entered the control panel check, press button 2. The control panel

30、LEDs and the display segments will light in sequence. Press EXIT to leave this test. Press EXIT again to go back to the main menu. Control check (modulation, bender, data entry) Once you have entered the control panel check, press button 3. The display visualizes: Pressing the button 1, you check th

31、e MODULATION (bender lever). Pressing the button 2, you check the BENDER. Pressing the button 3, you check the DATA ENTRY potentiometer. MODULATION Once you have pressed the button 1, the display visualizes: Pict. A (value 0) if the bender lever is released; Pict. B (value 127) if the bender lever i

32、s moved completely forward. A B A B TEST MODE ITEMS REQUIRED: MIDI cable; Dumper Pedal; Expression Pedal EV-5; Digital multimeter. HOW TO VISUALIZE THE SYSTEM PROGRAM VERSION Turn the instrument on, while keeping pressed the button 2 of section PATCH. After a few seconds, the display will visualize

33、a writing identifying the software version: i.e.: VER 100 - 26 jul 2001 To exit, turn the instrument off. HOW TO CARRY OUT THE FACTORY SETUP Turn the instrument on while keeping the button WRITE pressed. After a few seconds, the display will visualize the writing Factory setup. The Factory Setup fun

34、ction re-establishes the instruments factory settings. HOW TO ENTER TEST MODE Turn the instrument on while keeping pressed the button 1 of section PATCH. After a few seconds, the display will visualize the following writing: TEST ROLAND A - 37 VERSION 1.00 Then the display visualizes: Every button o

35、f section Patch corresponds to a test to carry out. Button 1Panel check (F: Front, R: Rear); Button 2Keyboard check Button 3Memory check Turn the instrument off to exit test mode. Note: After carrying out the tests, the instrument automatically performs the Factory Setup. 1) PANEL CHECK (FRONT / REA

36、R) Once entered test mode, press button 1.The display visualizes: If you press button 1, you check the Front Control Panel (a). If you press button 2, you check the sockets placed on the Rear panel. Press EXIT to come back to the previous menu. A-37Sept, 2001 7 Press EXIT to leave. Press EXIT again

37、to go back to the main menu. BENDER Once you have pressed the button 2, the display visualizes: Pict. A (value 0) if the bender is in central position; Pict. B (value 63) if the bender lever is moved completely rightwards; Pict. C (value - 63) if the bender lever is moved completely leftwards. Press

38、 EXIT to leave. Press EXIT again to go back to the main menu. DATA ENTRY Once you have pressed button 3, the display visualizes: Pict. A (value 0) if the potentiometer slider is in low position; Pict. B (value 127) if the potentiometer slider is in high position. Press EXIT to leave. Press EXIT agai

39、n to go back to the main menu. b) Rear Panel check (Socket) Once you have entered the rear panel test mode rear panel, press button 2. The display visualizes: Press button 1, to check DUMPER and EXPRESSION pedals. Press button 2, to check the Power battery. Press button 3, to check the MIDI. DUMPER

40、and EXPRESSION pedals check Once you have entered the rear panel test mode, press button 1. The display visualizes: Press button 1, to check the DUMPER pedal. Press button 2, to check the EXPRESSION pedal. DUMPER PEDAL Insert the Dumper Pedal into the HOLD SWITCH socket. Once you have entered the pe

41、dals test mode, press button 1. A B A B C If you press the pedal, the display visualzes the status (ON) of the pedal (Pict. A); when you release the pedal, the display visualizes its new status (OFF) (Pict. B). Press EXIT to leave. Press EXIT again to go back to the main menu. EXPRESSION PEDAL Inser

42、t the Expression Pedal into the FOOT PEDAL socket. Once you have entered the pedals test mode, press button 2. Before pressing the button, the display visualizes 0 (Pict. A). If you press the pedal to all its stroke, the display visualizes 127 (Pict. B). Press EXIT to leave. Press EXIT again to go b

43、ack to the main menu. Power Battery check Once you have entered the rear panel test mode, press button 2. The display visualizes a value representing the power battery charge level, expressed in % value (i.e.: 100 = 100 %). Press EXIT to leave. Press EXIT again to go back to the main menu. Midi chec

44、k Once you have entered in the rear panel test mode, press button 3. The display visualizes: Press button 1.The display visualizes: Connect MIDI IN and MIDI OUT A sockets by a Midi cable. In case of correct data transmission and reception, the display visualizes the writing go. In case of failure, t

45、he display visualizes A - I. Press EXIT to leave. Press EXIT again to go back to the main menu. Press button 2.The display visualizes: A B A B 8 A-37Sept, 2001 Note: When carring out this test, make sure you press the key properly. In case a key does not reack 127, try pressing a few other keys. In

46、any case, a tolerance 08-10% is acceptable. Press EXIT to leave. Press EXIT again to go back to the main menu. 3) MEMORY CHECK Once you have entered in test mode, press button 3. The display visualizes: The instrument carries out the DEVICE CHECK (Pict. A) automatically. Caution: Dont turn the power

47、 off during this test. If the power goes off accidentally, carry out the test again. At the end of all the tests, make sure the display visualizes the writing go (Pict. B).This means that the instrument memory has been implemented correctly. In case the display visualizes the writing Err, it means t

48、hat the memory is damaged. Press EXIT to leave. To exit, turn the power off. Note 1: When you turn the power on again, the Factory Setup is carried out automatically. Note 2: If you press EXIT when the display visualizes the main menu, you enter test mode again. A B Connect MIDI IN and MIDI OUT B so

49、ckets by a Midi cable. In case of correct data transmission and reception, the display visualizes the writing go. In case of failure, the display visualizes b - I. Press EXIT to leave. Press EXIT again to go back to the main menu. 2)KEYBOARD CHECK Once you have entered test mode, press the button 2: The display visualizes: Press button 1, the display visualizes: Connect one of the Midi outputs (OUT A or OUT B) to the Midi in of another musical instrument or of a dedica- ted equipment, provided of a sound source. Pres