Roland A-70 Service Manual 电路图.pdf

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1、A-70Sept, 1997 SERVICE NOTES TABLE OF CONTENTSPage SPECIFICATIONS1 DISASSEMBLY1 LOCATION OF CONTROLS *Performance and Chain setting in the temporary area *Manual mode settings *System settings (except for controller assignments and User Name Maps) *Controller assignment *All performances and chains

2、internal memory *User Name Maps First of all, you need to set device ID (EDIT:SYS,E01). 1. Change to the Edit mode, and use the menu or the shortcut to select “Dev ID” 2. Use the CURSOR button to move the cursor to the right, and use DATA ENTRY to set the device ID (the initial setting is “17”). If

3、youre exchanging data between two A-70/EX units, they should both be set to the same device ID This setting is saved automatically as a system setting. Next, choose what you want to send and select the MIDI OUT to be used (UTILITY:BLK,U50). 3. Change the Utility mode, and use the menu or the shortcu

4、t to select “Bulk Dump” a b c d e f aPerformance and Chain setting in the temporary area bManual mode settings U50Bulk Dump TmpP U50Bulk Dump Sure? Software update completed block display area Receive end address Receive top address Receive block display area and the A-70 will enter software update

5、mode. 4. Starting from the lowest-numbered filename, playback the files on the SMF player. (In the case of the SB-55, playback will begin automatically from _00001.mid.) During reception, the Receive Block / Top Address / End Address will indicate the current status. *The Receive Block will indicate

6、; _00001.midB1 (Block 1) _00002.midB2 (Block 2) : _00008.midB8 (Block 8) *The Receive Top/End Blocks will indicate; _00001.midFF0000-FFFFFF _00002.midFE0000-FFFFFF : _00008.midF80000-FFFFFF 5. When each file has finished playing, pause the SMF player. (In the case of the SB-55, caution must be used

7、since the next file will begin to play.) 6. Check that the lower four digits of the Receive Top Address are 0000 and that the lower four digits of the Receive End Address are FFFF. Then press the ENTER button of the A-70 to get a display like the following. Check sum display After you confirm this b

8、y comparing the displayed value with the check sum printed on the disk label, press the ENTER button and the software update will begin. If the check sum is different, press the EXIT button to return to the display of step 3, and transmit the file once again. *When you press ENTER, the display will

9、indicate Erase - Write - CE9A-CE9A OK During Erase or Write, be very careful to never let the power be interrupted. In the worst case, the A-70 may become incapable of starting up. UPDATE * B1 :CE9A UPDATE? UPDATA * UP :*-* 19 PARTS LIST A-70 (100V/117V/230V/230VE/240VA) SAFETY PRECAUTIONS : The par

10、ts marked ! have safety-related characteristics. Use only listed parts for replacement. NOTE :The parts marked # are new (Initial Parts). The parts marked !have Safety - Related characteristics. Use only listed parts for replacement. : Component for EMC. When ordering any parts listed in the parts l

11、ist,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 will result in delayed or even undelivered replacement. CONSI

12、DERATION ON PARTS ORDERING CASING #7699508000VARN+SILK. TOP CABINETA-70 #7699509000VARN+SILK. BOTTOM CABINETA-70 #7699520000VARN. RIGHT SIDE PANELA-70 #7699521000VARN. LEFT SIDE PANELA-70 #7699519000VARN. COVER F/EXPANSION BOARD 22205543GUIDE F/4 POTENTIOMETERS 00788990WHEEL CAP #K2238119SILKSCREENE

13、D PLEXIGLASA-70 KNOB BUTTON 22485253BLACK CAP F/POT. K2478200BUTTON GROUP22X8+DIFF. -BLACK K2478202BUTTON GROUP(4) 22X8 -BLACK- K2478203BUTTON GROUP(4) 15X8 -BLACK- K2478255TRIANG. BUTTON(BLACK) 22488183POWER SWITCH KNOBN.001-BLACK SWITCH 1312975301SWITCHEVQ-QSB 05K GR.160on LB ; on RB 13129160SWITC

14、HSDDLB1-TV5SW1 on PRIMARY B. JACK, SOCKET 13449125JACK SOCKETHLJ0520-01-110JK115,116,119,120 on JB 13449126JACK SOCKETHLJ0520-01-010JK114,117,118 on JB 13429664RIDIN SOCKETMG/PR 5LJK107/113 on JB DISPLAY UNIT #7699511000LCD ASSYA-70 (Including LCD, PCB and WIRING) NOTE : Replacement LCD Unit should

15、be made on a unit basis. No replacements available for individual parts. Replacement only be a unit. BENDER UNIT 70564101TURBOLESS PITCH BENDER PBH0201 23275893WHEEL BW-A0000-327-893 W/CABLES NOTE : Replacement BENDER Unit should be made on a unit basis. No replacements available for individual part

16、s. Replacement only be a unit. KEYBOARD ASSY #769951000076-K.WEIGHTED KEYBOARD TP/8SAT NOTE : For details, refer to KEYBOARD PARTS LIST (Pag.4) PCB ASSY #7699502000POWER SUPPLY PCB ASSYA-70 #7699503000RIGHT CONTROL PCB ASSYA-70 #7699504000LEFT CONTROL PCB ASSYA-70 #7699505000JACK SOCKET ASSYA-70 #76

17、99506000PRIMARY ASSY230/240VA-70 #7699512000PRIMARY ASSY100/117VA-70 #7699507000BOUNCE-TO-AFTERTOUCH ASSYA-70 7695004000RIGHT CONTACT BOARD W/RUBBER ASSY 7695005000LEFT CONTACT BOARD W/RUBBER ASSY #7699501000MAIN BOARD PCB ASSYA-70 NOTE : When you replace the MAIN BOARD or Lithium Battery, You must

18、reperform bender adjustment. Refer to Bender Value Setting item in the Test Mode. IC 15229718RII.C. 6N 137Photo-CouplerIC101,102 on JB 00342723I.C. MB90705 HCpu FMC16IC7 on MB 15169515I.C. 74 HC 00Quad 2-input NAND GateIC201 on RB, IC709,710 on LB 15249111I.C. TC7WU04 F (Flat)Triple InverterIC4 on M

19、B 00349690I.C. UPD 65622GF-138-3B9Custom ICIC12 on MB 00129278I.C. SSC1080 FOBCustom ICIC1 on MB 00788356I.C. M38881M2-058FPSub CPU (IPC)IC11 on MB J5259107I.C. HM628128ALFP-7 (Flat)SRAMIC6,10 on MB J5259110I.C. HM62256LFP-7T (Flat)SRAMIC5,8 on MB J5169108I.C. TC 4052Multip./Demultip.IC707,708 on LB

20、 J5169107I.C. SN 74LS32 NDSQuad 2-input OR GateIC103 on JB 15189210I.C. BA 5218FDual Op. AmplifierIC13,15,16 on MB 15289710I.C. UPD 63200GSD/A ConverterIC17 on MB 15189250I.C. M5218 ALDual Op.AmplifierIC1,2,705,706 on LB E RCB= Right Contact BoardMB= Main Board LCB = Left Contact BoardPSB = Power Su

21、p. Board JB= Jack BoardRB= Right Control Board PB= Primary BoardLB= Left Control Board AFTB= After Touch Board 20 A-70Sept, 1997 7. When the software update is completed, the display will indicate and the block number will appear in the software update completed block display area to indicate that b

22、lock 1 has been updated. 8. Press ENTER to get a display like the following. Now transmit the next file. 9. Repeat steps 4 through 8 until all of the files have been transmitted. When the software has been updated for all blocks, all of the asterisks “*” will be gone from the software update complet

23、ed block display area, as in the following display. After verifying this status, turn the power off. ?Adjustment following software update A software update will cause the user memory of the A-70 to be lost. Thus, the following adjustments will be necessary. The necessary adjustments are; Bender val

24、ue setting. Initialization of user memory. Loading of user memory from card (as necessary). 1. Center calibration of the bender Refer to the bender value setting (number 5) in the test items. 2. Initialization of user memory Refer to the item for initialization of internal RAM. As necessary, load da

25、ta from a sequencer. Refer to the items for saving and loading user memory. UPDATA 12345678 * :*-* UPDATA 1* * :*-* UPDATE 1* B1 :CE9A CE9A OK 21 A-70Sept, 1997 15199937I.C. M51953 BP (Flat)Reset ICIC9 on MB 15289116I.C. NJM2082MDual Op. AmplifierIC14 on MB !J5199102I.C. UA 7812 CVREGUL.(+12V)IC601

26、on PSB !15199197RII.C. UA 7805 SCNCREGUL.(+5V)IC603 on PSB !J5199103I.C. 7912FREGUL. (-12V)IC602 on PSB #7699518000I.C. FLASH ROM A70IC3 on MB TRANSISTOR 15129114TRANSISTOR2SC-1815GRQ6 on MB 15119113TRANSISTOR2SA-1015 GRQ712,714/721 on LB, Q205,206 on RB 15129136TRANSISTOR2SC-2878-A/BQ727,728 on LB

27、15319101TRANSISTOR2SC-2412Q3,5 on MB 15309101TRANSISTOR2SA-1037KRQ2,4,7 on MB 15119163TRANSISTORRN2227Q110,112 on JB ; Q201/204 on RB ; Q722/725 on LB 15129199TRANSISTORRN1211Q711 on LB 00898201TRANSISTORRN2421Q1 on MB 15129198TRANSISTORDTA-124 ESQ726 on LB ;Q102,108 on JB 15129197TRANSISTORDTC-144

28、WSQ101,107,111 on JB 15129160TRANSISTORDTC-144 ESQ105,109 on JB ; Q713 on LB 15329502TRANSISTORDTC-124 EK (CHIP)DA6 on MB DIODE 15019159RIDIODE1N-4148on LB ; on RB ; on LCB ;on RCB ; D601 on PSB ; D101/103 on JB 15339105DIODEDAN-202K (CHIP)DA2,5 on MB 15339108DIODEDA-204K (CHIP)DA1,3 on MB 15339142D

29、IODERB705D (CHIP)DA4 on MB 15029284RILED DIODETLHR4401 - REDon LB ; on RB 15019345RIZENER DIODEBZX79C 5.6VZD1 on MB J5019106ZENER DIODEBZX79C 5.1VZD701/704,706,708 on LB J5019114DIODE ZENERBZX79C 20VZD709 on LB !15019245JUMPER DIODE1B4B41 1A/100VD603 on PSB !15019284JUMPER DIODES2VB20 2A/200VD602 on

30、 PSB RESISTOR 15399917CHIP RES.ARRAY 4X10K E/URA10,12,17,20,31 on MB 15399965CHIP RES.ARRAY 8X10K +CRA4,5,18,19,29 on MB 15399932CHIP RES.ARRAY 4X100 E/URA13,16,30 on MB 15399991CHIP RES.ARRAY 4X22K E/URA11 on MB 00346690CHIP RES.ARRAY 8X6.8K +CRA1,2,3 on MB 15399941CHIP RES.ARRAY 4X390 E/URA6/9,14,

31、15,21/28 on MB 15399946CHIP RES.ARRAY 4X3.3K E/URA32 on MB 13819132RIUNINFL.RES.100 OHM 0.6W 5%R830,831 on LB J3809150UNINFL.RES.33 OHM 1/4W 5%L2 on MB J3809144UNINFL.RES.6.8KOHM 0.6W 5%R41,43 on MB POTENTIOMETER 13359366SLIDER POT.NA0-X05-B14VR701 on LB 00891789SLIDER POT.NPE-X05-B14VR702/706 on LB

32、 ; VR201 on RB CAPACITOR !J3629123ELECTRL.COND.6800U 25V RC609 on PSB J3629103ELECTRL.COND.100U 25V P5C112 on JB ; C26,60,63,64,71 on MB !J3629153ELECTRL.COND.2200UF 35V RC616,617 on PSB J3629135ELECTRL. COND.470U 35V P5C610,611 on PSB J3629105ELECTRL.COND.47U 50V P5C607 on PSB ; C103,114 on JB ; on

33、 MB J3629106ELECTRL.COND.4.7U 63V P5C608 on PSB ; C79,81 on MB J3629107ELECTRL.COND.1UF 100V P5C37 on MB J3629143ELECTR. COND.10U 16V H.7C758,761,762,763 on LB J3629137ELECTR. COND.33U 16V H.7C717,718,732,733,734,748,752 on LB ; C201,206 on RB J3629142ELECTR. COND.1U 63V H.7C203,204 on RB ; C719,720

34、,737/746 on LB J3629149ELECTR.COND.100U 16V H.7C713,714 on LB !13529104RICAPACITORDE1310E472MVA-KHC1 on PRIMARY B INDUCTOR, COIL, FILTER 12449370NOISE SUP.SBT-0160Won JB 12449326NOISE SUP.SBT-0460on JB 13529187NOISE SUP.ELKTR391CAon LB ; on RB ; on JB 00452034NOISE SUP.BK2125HM102 (CHIP)R34 on MB 00

35、907856NOISE SUP.BLM21A601SPT (CHIP)R14 on MB CRYSTAL, RESONATOR 00891801QUARTZ24.000 MHZ MA-406X1 on MB FUSE, FUSE HOLDER !12559606RIFUSE 5X20315MAL/250V SEMKO For 230/240VF1 on P.B !12559607RIFUSE 5X20600MA/250V ULCSA For 100/117VF1 on P.B 12199597RIFUSE HOLDER T.P1on P.B CONNECTOR 13419677RI16P FE

36、M. CONN. AMPP. 1.27CN3,11 on MB; CN705 on LB :CN1 on LCB 13369689RI20P FEM. CONN. AMPP. 1.27CN2,5,8 on MB ; CN707 on LB ; CN201 on RB ; CN2 on RCB J343910814P MALE CONN.P. 1.27CN6 on MB J34391122P MALE CONN.P 2.5 MCN7 on MB J34391216P MALE CONN.P.2 MCN706 on LB ; CN101 on JB ; CN202 on RB ; CN601 on

37、 PSB J34391228P MALE CONN.P.2 MCN10 on MB;CN602 on PSB J343914611P MALE CONN.P.2 MCN4 on MB ; CN102 on JB J34291203P MALE CONN.P.2 MCN703 on LB; CN401 on AFTB J34391487P MALE CONN.P.2 MCN704 on LB; CN103 on JB J34391525P MALE CONN.P.3.96 MCN603 on PSB #J343915720P MALE CONN.(52411-0220)CN9 on MB #J3

38、4391584P MALE CONN.MA76382-404CN402 on AFTB #J34391594P MALE CONN.53254 90.P.2CN708 on LB #J34391607P MALE CONN. 90 .P2.5CN701 on LB 13439611RI3P SCREW CLAMPP10CN1 on P.B. WIRING, CABLE 00783234BENDER CABLE(35)(W4PC)P.2CN708 on LB to bender K346815816P FLAT CABLE(62)-2CCN11 on MB to CN705 on LB #K34

39、6817716P FLAT CABLE(56)-2CCN3 on MB to CN1 on LCB K346815220P FLAT CABLE(44)-2CCN2 on MB to CN2 on RCB K346816120P FLAT CABLE(36)-2CCN8 on MB to CN707 on LB #K346817820P FLAT CABLE(44)-2C/DCN5 on MB to CN201 on RB 76987160003P CABLE ASSY(36)-2CP.2CN703 on LB to CN401 on AFTB #76995150006P CABLE ASSY

40、(52)-2CP.2CN202 on RB to CN601 on PSB #76995160007P CABLE ASSY(20)-2CP.2CN704 on LB to CN103 on JB #76995170006P CABLE ASSY(24)-2CP.2CN706 on LB to CN101 on JB #76995140008P CABLE ASSY(44)-2CP.2CN10 on MB to CN602 on PSB #769951300011P CABLE ASSY(34)-2CP.2CN4 on MB to CN102 on JB TRANSFORMER !K24581

41、40POWER TRANSFORMER 100/240VA70 AC INLET #!J3449103UNIVERSAL AC INLET ON PBINLET1 on P.B BATTERY !12569149RILITHIUM BATTERY CR2032 SCREW J2289121SELF TAP.SCREW2.2X10 TC TC J2289102SELF TAP.SCREW2.9X10 TC TC J2289213SELF TAP.SCREW3.9X16 TC TC PR TROP J2289125SCREW2.9X10 TC TC PR TROP J2289130SELF TAP

42、.SCREW2.9X13 TC TC PR TROP J2289131SELF TAP.SCREW3.5X16 TCTCPRBZ J2289107SELF LOCK.SCREWM3X6 TC TC H.6 J2289108SELF LOCK.SCREWM3X10 TCTC H.6 J2289193SELF LOCK.SCREWM3X6 TC TC H.6 J2289135SELF LOCK.SCREWM4X 7 TCTC T.8 J2289115SELF TAP.SCREW3.5X9.5 TCPRTFR H.8 J2289186SCREW3.5X16 TC PR TFR H.8 J228911

43、3NUT3MA H.3 K215810301BUSHINGH.14 I.D.14 E.D.16 PACKING #K2638178RIGHT POLYST. END-SIDEA-70 #K2638179LEFT POLYST. END-SIDEA-70 K2678119CARTENE ENVELOPE HD CM.170X56 K2678102POLYETH. ENVELOPE 25X45 #K2618184OUTER PACKINGA-70 MISCELLANEOUS J2139106WASHER TH.2 E7D 13 K2168102SPACER FOR LED H.2.8 D.E. 5

44、.5 J2359105PRESSURE RUBBER SFF-018 12189810SPRING SPACER F/PCB 12569420SOCKET FOR BATTERY CR2032 ACCESSORIES !J3439150MAINS CABLE H05VV+POL.SOCKET230V !J3439128CABLE 49B/35JT 2X18 AWG-C17117V !13499108MAINS CABLE DC 545 J03100V !13499152RICABLE BS/13/H05VV-F3G 0.75-V230VE !13499150RICABLE SAA/3-OA3C

45、CFC 3X0.75-V240VA 7710610000PEDAL DP-2 K6018109MIDI GUIDE #K6018292MIDI IMPLEMENTATION MANUALA70 #K6018288OWNERS MANUAL (E)A-70 #K6018291OWNERS MANUAL (J)A-70 #K6018301OWNERS MANUAL (D)A-70 #K6018302OWNERS MANUAL (F)A-70 #K6018300OWNERS MANUAL (I)A-70 22 A-70Sept, 1997 A-70Sept, 1997 23 24 A-70Sept, 1997 A-70Sept, 1997 25 26 A-70Sept, 1997 A-70Sept, 1997 27