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MC-505 - Martin78.com

1. MC 505 BLOCK DIAGRAM DM1628 0AAB D4 ILN201 D5 TPS708 RKO9L12DO RKO9L12D0 Infrared Photo Diode PANEL BOARD D DD bad LA Dbeam Heceiver We SW8LED MATRIX Driver IC2 25 010 UPC4570HA LOWBOOST 8 N OCTAVE OCTAVE PHONES PDO 7 Buffer M5218 WA PULSE XDBPLS Sampling and LPF DBV 1C50 1C59 Q33 Buffer LPF MIXOUT IC40 43 55 PBO 7 UPC4570G 9 yy Mixer JK2 JK4 IC47 Gate Arra Pulse Tone DRAM for A UPC4570G y Processor eneti i Effects DIRECTI ANO 2 IC18 19 TOS C12 y BufferlPF 0 CPU IC2 IC3 1C36 1C37 JK1JK3 PEDAL M60205 0601FP DAC Ree RA01 005 O IC13 C 1 DBCLK JK9 Wave Data UPD63200 IC9 Buffer LPF DIRECT2 V HD6437042AE11F LHMNOPNH IC38 IC39 0 Buffer UPC4570G JK5 JK7 Q20 Ls DTC114EK Address Bus Data Bus Control Lines Y Work RAM Program User Data PresetData PresetData Bus Buffer Card Controle ICE ep ICS ICG NIU d ie Transmitter ER IC23 24 25 UPD4218160LE LH28F800SUT LH28F800SUT LH28F016SUT AIM
2. RA4 ME D 100k N M st LO lo lO CN6 LS3 iss SOURCE ET LS2 ar T LS1 3 DAS GEI LSO SE Q7 552 STI EN 551 E 550 Tolo SSEN mi RN2227 ENC1B gt 9 410 11 51048 1100 RN2227 llus D D D b mum Elsa eE in INTO O Ge TC74HC138P TAP HS GND c5 Bab bbbrbbrER D 0 1 le ef ott on D um D D AAA 3 3 7 8 1 RN2227 D 7SEG LEFT 7SEG RIGHT DAS 5 ANODE COMMON ANODE COMMON O 18 SSCAN1 L I 6 SL 93518 SL 93518 D9 a TC74HC138P O X O RN2227 L K E EXIT 7 WAVE SEL OCTAVE e ri THER D BEAM SEL SSCAN2 9 i NM LD 0 7 D co SW14 o 0 o 0 R31 QUANTIZE ARPEGGIATOR SSCAN3 ON 100 SW26 RN2227 LSCANI SCAN SSCAN4 m D36 S Wa 1 TY D BEAM ON ARPEGGIATOR ON LED SSCANS N DAS SC N 1 Q18 _ e TONE SET SHUFFLE SSCANE RN2227 LSCAN3 N DAS SC ke 1 H CY SSCAN7 3 K KEY SHIFT RN2227 LSCAN4 du J i MEER m E DAS D69 P x ax PTN SET SCALE TRANSPOSE OCTAVE OCTAVE x 1 SSCAN8 EFX OUT n SWS0A A SW46A AZ swig AZJ swes AS swas swg A LSCAN5 2 gt 2 Ei RN2227 D 6 2 o 5 o 5 i L K NE TEMPO 7 EDIT T PTN CALL C41 D72 LS AS SN SWITCH 9 DATA 0 1 CTRL3 D b IC6 i RN2227 LSCAN6 B Ve Pa 1 gt DAS MI Q14 Sa cas DAI os br p x SN D FF u 70 GZA V2 RHYTHM MUTE SINK Un EE Gi o Yr ICQ IC8 z 15 LSCAN7 CN5 e m Sen TD62593AP DOS TC74HC5
3. PANEL BOARD mir pe Jr C4 100 16 D l AMUXO AMUXI AMUX2 107 ANI TC74HC4051AP co ZEIT Dap Le gt o E CH a o z 16 voc GND L5 4 C42 w T O 1O C QW c gt 0 1 P SER D 7770 Dap VR20A 2 VR21A VR22A VR23A 2 VR24A E FN FN S 10kB 10kB 10kB 10kB S 10kB 10kB PS 10kB S 10kB C36 037 L C38 C39 Cao C32 C21 033 01 01 0 1 o1 7 01 01 01 7 01 7 D 777 D D 7770 D D D 2 3 4 5 6 7 LFO1 DEPTH TIME ANO LI IC3 TC74HC4051AP co Ico 8 77 D DAS VR11A 2 VR12A 1 VR3A VR4A VR5A PS 10kB 10kB 10kB 10kB P gt 10kB 10kB PS 10kB 10kB C16 C17 L C18 C19 Con C13 C14 C15 011 ot 01 i A 2 re GN ON veti sg ail D 77 70 D 7770 D D D ENV DEPTH A D S R PITCH CUTOFF RESONANCE 104 AN TC74HC4051AP ap o Ico DAS SSVR19A 10kB 023 022 C28 029 630 C34 C31 il oil 0 1 o1 7 01 01 0 1 y D 7770 D 7770 D D TIMING ACCENT RATE REVERB DELAY EFX R SDDLB1 B1 D 2 PWI 1818 A A INLET BOARD ASSY 71010656 PWB 01343467 page 2 2 ASSY 71010645 PWB 01343467 Feb 1998 Ci 10 16
4. MC 505 OUTPUT MIX MUTE CONTROL oom 10k 100k ARS AR AP AP A A Q30 ji R74 IC35A 2SA1037KR DA14 CLIPPING signal 10k rer DA204U DA15 ICA5B OCT ai DA204U UPC4570G o Q29 R80 R76 1 DTA114EK 3 4 X C113 L 3 AAA 2SC2412KR 0 1 LI 10k 5 A du A 1CA5A hi 10k R309 i CNI 777 JPc4s706 100k Ke R357 si G LBSND L 10 245 MIXING left and right A AMM ES DA16 LBSND 1 Ul antes R82 V5 DA204U LBSND R m OWDOOS A TC74HC74F TC74HC74F 100k 777 A DP a Volume 6 A i 0327 i 1 E ON 100 16 IN VOLSND L T 4 R302 R303 R88 E R355 IS VOLRINL 3 me is s is HIGH 5V LOW 15V No VOLRIA 3 Master nd else 5V C349 GL VOLRTN_R 1 Volume ANN AN ANA C394 DA9 RA 0117 Yis 100 16 Bano 0 022u 100p R91 C328 So a ba ave Wa C426 3 C118 G25 ir 2 0 1u 2k R92 R313 R366 SE 1 330 3 22k 2 2 10 16 100 16 0 047u 2 100 16 10k 2 2k 12k IC41A 1 NI LBSND L NORM L 22k 1 IER 7 HH S 1 3 H C120 3 R106 R97 IC42A Bio 022 IC44A C427 e jos IC53A 10k UPC4570G 100k _ UPC4570G R335 100p EE 100k IN p UPC4570G abs A D i gt gt ANA 035 ae R109 D pos 100k Sen a 2 47k 28C3326A 100k kU 28033264 l 3 C352 100 16 25C3326A 777A R105 IC46A N I A A 10k 777 p UPC4570G N R110 UPC4570G R321 ai R325 10k Cutting off low 100k an 47k level signal a C397 DA10 d 777 A CI 100p DA204U C124 p
5. D BE TUR WAVE PITCH SELECT o M FU di NEXT N PKG CURRENT Dn ne CI WE 27 COARSE TUNE CUTOFF RESONANCE MIDI O BANK DISPLAY PTN RPS PRESET USER CARD ON SET PATCH XREVERB XDELAV XEFX TEMPO PTN TIMING REVERB DELAV 6 FEEDBACK REVERB TIME EFX REVERB LEVEL EFX gt DELAY LEVEL PART UNDO SELECT PART SEQUENCER WRITE REDO MUTE INITIALIZE J PARAM COPY BD FO MEASURE VALUE TONE RHYTHM SELECT MUTE EXIT ENTER KEYBOARD PAD OCTAVE STOP PLAV i L e REALTIME ERASE SHIFT PTN SONG COPY ERASE DELETE INSERT JITRANSPOSEJLCHG VELO JICHG GATEJISHIET CLKJIDATA THINJLQUANTIZEJLRECLOCK ARPEGGIO GRID GROOVE SHUFFLE REVERB DELAV EFX SEQ OUT JI TUNE SOUND CONTROLLER SEQUENCER MIDI PLAV QUANTIZE SETUP SYSTEM MEMORY INFO CARD DUMP PATCH gt WAVE FXM PITCH P ENV FILTER F ENV LEVEL PAN A ENV LFO 1 LFO 2 COMMON SOLO PORTA MOD PITCH BEND_ AFTER TOUCHJLRHY TONE PITCH FILTER AMPLIFIER LFO COMMON CONTROL Feb 1998 Feb 1998 MC 505 REAR VIEW PARTS LIST No Part Number Part Name D 12499175 GS BUTTON S1H BLK 13129160 PUSH SW SDDLB1 B D 2 TV 5 5A 250V 00125023 AC INLET PWI1818 INL 7 10A 250V 3P 3 01341178 CARD CONNECTER CN015S 3013 0 01343101 CARD ESCUTCHEON D C ESCT BX1H BLK D 13429825 MIDI JACK YKF51 5054 5 22150756 JACK NUT 2 6 13449283 JACK
6. Check Q31 032 Base resistor carries voltage of 15V in active and 5 in inactive Check Q3 Q4 Is square wave of 5V 15V input to base resistor Check IC35 Is square wave output from pin 5 by the double frequency of the square wave that input to pin 3 Check IC45 Q1 Is square wave detected from collector of the Q1 Sinusoidal wave ex MIXOUT R Square wave ex MIXOUT R Chi 100mV WE 200mV M s00us EE 36mV Chi Toomv WIE 100mV M So0gs Chi 7 34mv When LOW BOOST and OCTAVE function are used LOWBOOST MIN 4 LEFT A RIGHT i00v Ch i 00V Ms 00ms Chi 7 40mV 27 Nov 1997 19 18 33 LOWBOOST MAX LEFT o RIGHT iov ch2 1 00V W5 00ms Chi 7 40mV 27 Nov 1997 19 18 57 e UNE 1C35 input 11C35 output 1029 output fi MIXOUT L Ms 00ms Chd F 40mV 27 Nov 1997 19 36 02 10 DSP Test When AD Test ends normally DSP Test runs automatically or in the initial display of the test mode press keyboard Pad 10 while holding down SHIFT 10 1 When DSP test starts test runs automatically and 7 part are checked If test result are OK O appears on the display and if NG X appears on the display 10 2 If test result is OK press ENTER to start next test Troubleshooting for the DSP Test X displayed Check IC10 Bleak or etc Check IC3 Pin 119
7. 29 D8 28 DO En i E DA 5 37 C225 25 0 1u UPD23C16000WGY R 777 D 48P TSOP I Reverse Bend 120ns RAS L gt CASH gt cast gt RDWR gt XCARD IC22 TC74HC245AF 74HCT245AF Card to Host BDIR 0 Host to Card BDIR 1 16M DRAM DAS C198 LL 400 16 D C221 0 1u D C220 42P SOJ ili 60ns l L 2 CAS Control Early Write Access Burst Access Available CAS Before RAS Reflesh kal MC 505 IC21 TC3WO1F 21 MC 505 PANEL I O LCD Contlast Voltage max 0 7V Bright min 0 2V Dark pot C231 C233 C235 100 100p 100p C230 i C232 C234 100p 100p 100p Molex FFC FPC Connector R262 R265 I 52806 1410 1 0mm pitch 10k ik LCDIO 7 dien 00904612 LODPWM _ gt L29 C425 RA20 100x4 Il s LCD 0 7 gt CNA RA21 100x4 0 1u IC31A A dE UPC4570G LCD7 1 28 elu L ne EE EE 5714 reos TO 1 wide 7 10k NTH5G1M33B103J 7 mH Module WA Thermistor 9 DA204U D LE 10 gt RKW 12 11 RS 13712 14 13 14 52806 1410 LCV 0247 C243 C245 0 tu E 100p 100p ORO C242 C244 D D D 100p 100p D PD 0 7 CN6 ana i UPC4570G 2 3 R274 1M B 5 0379 6 D 0 01u 7 8 9 LLCK 10 C261 415 RA24 10044 52147 1010 0 1u RA25 400x4 Molex Wire Trap C254 C256 C258 C260 IC31C UPC4570G 100p 100p 100p 100p D C253 C255 C257 C25
8. 835 MKH IC20 IC52 74HC245 N PC410X Q16 17 34 A21 1021 gt TC3W01 USRCS KWA AUD Card Slot CN3 CN015 0301 MIDI JK8 YKF51 5054 MC 505 Feb 1998 CIRCUIT BOARD EIMAIN ESCT SET 71013567 FX yA S B rs s nada e m D249 kaw Fa mana Rosie A gt JE M n Aa xe S ni Un ac gt C JIU d d D gt We e AL EEN o e 7 Cate y qa i AS EK P fal afa in 14 Feb 1998 MC 505 PANEL ESCT SET 71010634 2 j A o MC 505 INLET BOARD Roland ASSY 71010656 CN4 MADE IN JAPAN 11213415 EAMX5 AG 15F JK1 lo Moo 7 8 8 10 94U 0 NAN D gi E T SCH ya Tog Di 9 gni LE a ae Al SCH m EI rc EE ege 7 I 77 SR LES Y gg EU loo i so e cw CHAD nicis ic ails oT Korg Noone i i l de CH lo e Y lo CEA L Xe 2 ex 9 o i et ug D a pw 15 MC 505 CIRCUIT DIAGRAM MAIN DIAGRAM 16 A 0 21 D 0 15 RAS CASL CASH RDWR XCARD ACCTL XCBSY CWPSNS CS1 PRECS FINT XEJECT XINS XCSNS XRD XWRL XRST XPCS XPWAIT XPINT OCT DBV XDBPLS PULSE ANO ANI AN2 AMUX O 2 PB 0 7 IOEN BEAT_R BEAT_G ENCA ENCB TAPINT SSEN LLCK SS 0 2 LS 0 3 PD 0 7 RS RXW LE LCD 0 7 LCDPWM CPU and PERIPHERAL A 0 21 A 0 21 D 0 15 A 0 21 ML
9. 0 1u R113 a 333 R350 R116 R117 0355 SS Wa We 6 0 1 22k R114 R322 R370 R124 7 14 330 3 22k 6 10 16 100 16 0 047u ooh 6 100 16 ba ANN ANN ANN 7 i 10k 2 2k 12k NI LBSND R NORM A f 0127 T 5 R N 5 R119 IC42B IC44B C430 C335 R122 0 22u m R128 R320 0 1u IC53B 10k UPC4570G 100k _ UPC4570G R337 3 p is 100k 47k L _ Pc4s70G UPC4570G ou oa A kata SCH D1 MINE ANN j a R131 Cp WA 100k E ees 6 R372 9 R368 100p e A Q32 ik 47k 2SC3326A 2 Ok We 28C3326A 25033264 AN i C356 R127 IC46B 100 16 777 A k i A A 10 a UPC4570G 7 FI n C431 i 5 s LBRTN R K 1047B UPC4570G A R149 R146 NIU 2 2k R89 R145 146 R96 Bur iu T A NORM R d Ka ee 1k 680 ai C130 C131 m IN 10 16 1 10W 1 10W 201225 un 205 jiu 96 R351 R352 a R90 C403 1u 4 7k 8 2k 15k 100p cat Mix Out L Mono 777 A C402 H C320 Q6 100p JK2 IC44C IC45C NIU 2 10 16 28C3326A HLJ7101 01 3010 1 NORM L VOLRTN L i UPC4570G UPC4570G R101 gt RIC40A 10k 3 IC48A A l C119 FF p IC43A UPC4570G BS dir We SE R98 R99 UPC4570G R169 R166 SEET A ou A me 4 7k 4 7k PC4570G MAR ZC R104 UPC4570G C330 0361 C155 R167 R168 JK4 C134 415 100k 1800p A vu e ik 680 HLJ7101 01 3010 A f y 1 0W 1 10W 20 o T caa Di Lio Mix Out F IC48C C123 C321 1 Q8 100p N20122601 dra be 2200p 10 16 28C3326A VOLRTN R Lo wi F 4 14 R111 R163 0153 R118 IC48B A 10k 777 A l ACH 45 27k Nu NU 10k UPC4570G 0 1u ANA MAN ge R353 R354 R112 0407 A 0 1u 15 4 7k 8 2k 15k
10. 045 3 IZ LN Q27 KSCANO RN2227 e e b o o o N Dap SW42 Fa SW43 FZ SW44 F3 SW45 o SW58 FA SW59 SW60 E 1 POS ea 1 LL 7 4 Le 1 0 1 i j 1 7 4 IL It O O O O HO O O O O O O O O O 3 I METRONOME BWD FWD MEASURE STOP PLAV REC KI Q28 KSCAN1 RN2227 N Dep SW67 F 1 E _ O N 3 E 1 LN 029 a KSCAN2 NNNM RN2227 Pr LO SW68 Fx 45 o 2 N SDATAQ SDATAI PT SDATA2 SDATA3 LTT TI BER ILI SDATA6 Pane SDATA7 TTT D109 1 Q 2 Wa RE DAS D124 D128 D130 D132 D134 D136 D138 2 Qi 2 1 2 ma 2 aa 2 1 2 aa AA Il IC10 A D A2 4 AS ad Li D eu fe ls fe fo o TC74HC245P 5 E B i i 45 FBRO7HA850TB 00 0 nr XO i st CO CN ca ea ma ea ea ea OO ea 20 vce cup Y D125 D129 D131 D133 D135 D137 D139 046 a 1 gt l 1 a a l SN cc Re D ze D D KS Be 0 1 de bo 2 6 8 10 12 14 16 joojr ko Lo r on leu Sale D D R32 R34 R35 R36 R37 R38 R39 100 100 100 100 100 100 100 100 RN1224 RN1224 RN1224 RN1224 RN1224 a RN1224 RN1224 RN1224 R40 3 kI 3 3 KI E 3 KI 3 K KI SINK 100K EN N EN EN LN N Q19 Q21 Q22 Q23 Q24 Q25 Q26 D D D 7770 D D 7770 D D DDO DD1 DD2 ITT DD3 ILL DD4 DDS RA3 DD6 2 1 DD7 LIZ LED DATA H J o 5 ill ll as di 9 YO ui RGLD8X 100k Im en 24 NM t LO cO r oo o OC 77 CM CN7 51048 1200 R4 TOOK R5 TOOR R6 TOOR D IC2C UPC4570HA L AN2 D
11. 100p E 0405 R188 R185 NIU 6 IC53C 4 7k 22k R123 i R186 R187 9 0164 L13 JK6 UPC4570G e 0408 10k 47 47 HLJ7001 01 3010 C126 7 Wik s 100 16 BW t2W N20122601 10 16 VN es 5 UPC4570G ACH We Hp Phones IC49C WA MRL 0 4 7k 4 7k PC4570G no R126 PC4570G C128 p M5218AFP C340 15 100k 1800p GE 28C3326A A i 777 M5218AFP i L A F SCH IC55C C135 R207 R203 C432 N A ei R204 R205 I 47 47 e 0341 A 100p 100 16 1 2 1 2 IC46C A iu 15 415 H SE AAN T E D5 B gie L14 UPC4570G DAN202K 1 012 100p N20122601 28C3326A XD els Ic49B R208 F 0433 We M Cont M5218AFP 100K R209 a e ute Conte 4 M muting otherwise 15V A ZA A We 5V when muting ot Sie R212 NI Dap H 10k 1 JEN 013 D C182 C183 C184 E C181 p c i tu A5 01u WS tu WS tu WS U En it it co co R211 IC42C IC43C Hi Rind IC40C IC41C ES UPC4570G UPC4570G UPC4570G UPC4570G T IC34 TH Ve X mi EA M51953BFP C187 10 16 a 0192 Vis a 0193 V5 a C194 V5 C195 Ys D D 0 1u 0 1u 0 1u 0 1u 19 MC 505 JK8 YKF51 5054 Reverse Type CPU and PERIPHERAL IN OUT DAS Q16 DTA124EK m L23 Q17 C81 N20122601 5 DTC124EK R217 C76 fu C82 jm 120 i N20122691 C71 0 1u 0 1u A 0 21 C P U Ad d res S R220 22 D2 i
12. Q33 on MB Q13 22 30 on MB Q30 on MB Q3 12 31 32 35 36 on MB Q26 27 29 on MB Q16 20 on MB Q34 on MB Q17 on MB Q5 on PB Q10 on PB Q19 26 on PB Q1 4 6 9 11 18 27 29 on PB D2 5 on MB DA11 12 on MB DA3 6 8 10 13 16 on MB D5 on PB D13 14 17 18 21 33 35 37 D43 53 56 58 61 64 D67 73 74 77 90 93 106 D113 114 116 119 D140 149 D 152 163 on PB D6 on PB D108 on PB D15 16 36 38 42 D57 68 75 76 91 92 D109 111 121 123 150 151 on PB D19 20 on PB D22 23 124 139 on PB D1 7 11 12 24 32 34 D55 59 60 65 66 69 72 D107 112 115 120 on PB D2 3 10 54 on PB RA8 12 20 22 24 29 on MB RA30 33 on MB RA13 17 19 23 on MB R363 364 on MB R186 187 204 205 on MB RA2 on PB RA1 3 on PB VR1 on MB VR4 7 14 17 on PB VE3 13 on PB VR1 2 on PB VR9 12 on PB VR8 on PB VR18 25 on PB C120 127 on MB C117 121 124 203 328 C333 335 on MB C128 144 152 160 170 C330 on MB C7 on PB C123 135 147 156 165 C174 on MB C122 129 on MB C118 125 205 on MB C202 on MB L7 10 13 16 23 27 on MB L1 on PB X2 on MB X1 on MB CN4 on MB CN9 on MB CN1 6 on MB CN7 on MB CN8 on MB CN5 on MB CN2 on MB MC 505 THEME EH H H THEE REH H 01341178 CN015S 3013 0 13429299 51048 1000 13429300 51048 1100 13429301 51048 1200 13429317 51048 1300 WIRING CABLE 00890390 RIBBON CABL 10X100 P2 0 00890423 RIBBON CABL 10X300 P2 0 00890601 RIBBON CABL 11X300 P2 0 01450756 RIBBON CABL 12X300 P2 0 01450767 RIBBON CABL 13X200 P2 0 01450501 MC 505
13. a card with write protected Remove the card once and insert the card with not write protected Does the LCD display ok 4 Pedal Test Troubleshooting for Card test No response Check IC25 Pin 1 2 7 IC57 Pin 3 If the Card is inserted Voltage of IC25 Pin 1 becomes high level Protect NG Check R1 IC1 Is the voltage of CWPSNS Low level Read Write NG Check IC24 Pin 3 6 Is the level of XCWR XCRE change during the test Check IC22 RA19 Is there something wrong with card bus Check IC24 Pin 8 IC23 Is there something wrong with decoder Check the IC25 PIN 3 Write Is the voltage of WP high level When Card Test ends normally Pedal Test runs automatically or in the initial display of the test mode press keyboard Pad 4 while holding down SHIFT 4 1 When Pedal test starts the following display appears 4 2 Connect the Foot Pedal to the Pedal Jack 4 3 Step on a Pedal And check that on have been displayed 4 4 Foot off the Pedal And check that off have been displayed 4 5 Pedal test ends and next test runs automatically Troubleshooting for the Pedal Test Result of Test Check No response Check Q20 Is signal level of the PEDAL change Display remains on Display remains on Check the condition of connection of L27 R224 225 5 SW amp LED Test When Pedal Test ends normally SW amp LED Test runs automatically or in the initial display of the test mode press keyboar
14. be started The following display will appear 1 2 When the test of the each device end display will change to ok or NG If test result are OK next test runs automatically 2 MIDI Test Troubleshooting for Memory test Check IC4 on MAIN BOARD Check IC6 or IC7 on MAIN BOARD Check IC5 on MAIN BOARD Check IC8 on MAIN BOARD When Memory Test ends normally MIDI Test runs automatically or in the initial display of the test mode press keyboard Pad 2 while holding down SHIFT 2 1 When MIDI test starts the following display appears 2 2 Make a loop with MIDI cable that connects MIDI IN and MIDI OUT Does the LCD display ok 2 3 Press ENTER The system program version will be displayed 2 4 And press the ENTER again You can check the program version number of the CPU and Preset Data 2 5 Remove the MIDI cable Display shows Disconnect ok and then next test runs automatically 3 Card Test Troubleshooting for MIDI test Connect ok is not appeared Check IC52 Is the signal detects from PIN 1 and PIN 4 Check IC20 Is the signal detects from PIN 2 and PIN 4 Check Q16 17 Is the Low level signal detects from the base of Q16 Feb 1998 When MIDI Test ends normallv Card Test runs automaticallv or in the initial display of the test mode press keyboard Pad 3 while holding down SHIFT 3 1 When Card test starts the following display appears 3 2 Insert
15. described on disk label with the current checksum for discrepancy 4 Perform the Factory Preset Data loading See page 7 FACTORY PRESET for more details NOTICE As for MC 505 this procedure must be carried out after executing the update procedure lf not some strange problem may occur later The update procedure is now complete NOTICE 1 Adjusting DBeam controller When you replace MAIN ESCT ASSY DBeam controller adjustment is necessary 1 1 Remove the bottom cover 1 2 Connect the test probe of the oscilloscope to the Tap Point of the MAIN BOARD TP 1 4 TP 2 GND 1 3 Adjust the voltage output from TP 1 to OV by using VAL NOTE When you adjust the voltage be sure to keep MC 505 in a horizontal position and keep any object and strong light fluorescent lamp etc away from around the photoreceiver Please don t observe the voltage in a state of the photoreceiver side down 2 Group wires The wirings that connect MAIN ESCT BOARD ASSY and PANEL BOARD are tied This action is necessary to keep wirings from contacting with Power Supply Unit Once you cut the tie please take this action again for safety Feb 1998
16. i a of D 0 15 CPU Data Mode2 Internal ROM Enable amp DAN202K Bag UA Clock Mode x4 SiO GAWAIT O OOOO IC52 DA5 gt gt gt gt gt DAS HH 1 2 wel TC7S04F 73 MD3 TIROZJABA E did 75 MD2 TWATTAROG A20 L 8 A21 3 DAS 1 4 2 78 dins 30 2 7 A19 RAS RA13 4 7g MD1 JBREQ IRQS A19 5s 3 B ATS el 5 MDO IBACK IRQ4 A18 1 PAEZ x 5 Q34 M 10kx8 C196 22 7 Bn DTC114TK PB1 A17 l 50 i A16 8 TXD1 PA4 PBO A16 Ce 5 Wani RA9 Dap 9 RXD1 PA3 PC15 A15 Hg 3 ETT Gre Ti 5 D TXDO PA1 PC14 A14 33 1 5 A13 3 RXDO PAO PC13 A13 RN mE 16 BEN RA17 4 R386 PC12 A12 15 2 hh RA10 5 PC11 A11 Emer 6 Ges XL PEIS TIOC4B PG10 M10 re um an FS Ve 7 PE12 TIOC4A PC9 A9 5 EAT 8 PE11 TIOC3D PC8 A8 1 5 T A7 Bini 9 PE10 TIOC3C PC7 A7 Ag 3 BA 10004 PE9 TIOC3B PC6 A6 l 3 1 MENU PE8 TIOC3A PC5 A5 l g As PE7 TIOC2B PC4 M SM BA12 PE6 TIOC2A PC3 A3 rs 3 ao Gre PE5 TIOC1B PC2 A2 E 1 B Ai PE4 TIOC1A PCI AT hy Se PCO AO SCH 100 E 52 D15 PD15 D15 53 D14 PD14 D14 54 D13 99 PD13 D13 zc SE gg AN7 PF7 PD12 D12 7 D A D Port Input Impedance AN6 PF6 PD11 D11 96 ANB PF5 PD10 D10 E Dig _ koh D 95 59 D9 max 1kohm 947 AN4 PF4 PD9 D9 Leg Dg AN3 PF3 PD8 D8 s5 DI AN2 PF2 PD7 D7 l 63 DE XWAL AN1 PF1 PD6 D6 Le DE 777p ANO PFO PD5 D5 spina Loe D4 XGAREQ ce 4 D4 Lez D3 XGAACK 32 PEDAL PD3 D3 res De O PD2 D2 37 AVCC PD1 D1 m GAWAIT O SWITCH PDO DO 41 DTA124EK O XCS0 390 38 L27 PEDAL AVSS PAta WRH P3e X O N2012Z601 PA12 WRL P XWRL VRE 24 P
17. 00000000000000000000000000000000000000000000000000B 12 Note Storage approx 95 000 notes Internal UPGRADING THE FLASH ROM approx 220 000 notes 2M Card Weight OFTWARE VERSION E approx 480 000 notes 4M Card Kg 11 lbs 1 oz RPS Set 60 NOTICE 222220000000000000000000000000000000 0000000002002000000202002020000000000000000000000000000000000000000000000000 2 Pattern Set 30 D BLOCK DIAGRAM e0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 3 Tempo 20 0 240 0 Max Owner s Manual Set English PNo 71010678 CIRCUIT BOARD 5 gt 22 2200000000000000000000000000 000000000000000000000000000000000000000000000000000000000000000000014 15 Resolution 96 ticks per quarter note Owner s Manual Set Japanese PNo 71010601 CIRCUIT DIAGRAM QQIQILIIUIITITITTLTTITT SSS Recording Method Realtime Step1 Step2 Card Protector PNo 01346312 AC Cord e Connectors 100V PNo 00894367 Mix Output Jack L MONO R 117V PNo 00894378 Direct Output Jack 1 L MONO R 230V EU PNo 00894389 Direct Output Jack 2 L MONO R 230V E PNo 00907001 Headphone Jack stereo 240V A PNo 23495124 ANN MIDI Connectors in out Roland MC 505 Foot Control Jack Options ra sia CURRENT _ NOT Km Memorv Card Slot Stereo Headphones RH 20 80 120 S AC Inlet Pedal Switch DP 2 6 BOSS FS 5U 7j COARSE TUNE m CUTOFF RESONANCE Audio Connection Cable PJ 1M c SUELE DBeam Controller 28 types PCS 075W 150W 250W TO TT 3 in MIDI Cable MS
18. 143 11 LCD Test When DSP Test ends normally LCD Test runs automatically or in the initial display of the test mode press keyboard Pad 11 while holding down SHIFT 11 1 When LCD Test starts all the dots of the LCD will light Check that the contrast of the LCD changes by rotating the encoder clockwise and counterclockwise LOWBOOST MAX OCTAVE ON 24 d mor E aa Wl i 00V Ch i 00V Wi5 00ms Chi J A 4omv OCTAVE circuit Analog waveforms ch 100 MS 00ms Chi 7 40mV Ch4 2 00V EA UNA sey d GP i NN oo sel qr MC 505 LEFT RIGHT 27 Nov 1997 19 19 20 11C41 output IC42 output sisi C46 output fi MIXOUT L 27 Nov 1997 19 40 13 11 MC 505 11 2 When test ends press ENTER Troubleshooting for the LCD Test One of the dot is not lit Replace the LCD unit Contrast of the LCD is not changed Check R262 Contrast of the LCD is pale even if Is PWM waveform input to the QFP side of the R262 adjust its contrast maximum level Contrast of the LCD is dark even if adjust its contrast minimum level Check IC31 Check the condition of connection of resistors and capacitors and its input output voltage Make hot and cool TH1 if the bounds of the contrast change is large there is a possibility that the component is broken Check DA8 Is there short in the circuit If the above check points are normal replace the LCD unit Test Mode comp
19. 58 L8 1k 680 1 10W 1 10W N2012Z601 7101 01 3010 Direct_1 R Q7 25033264 R177 R178 L15 1k 680 1710W 1 10 20122601 7101 01 3010 Direct 2 L 25033264 R196 R197 L16 1k 680 1 10W 1 10W N2012Z601 7101 01 3010 Direct_2 R 25033264 5V when muting otherwise 15V MC 505 C177 a5 da IC36C UPC4570G gt o o gt lo DI Ls O1 i C364 dy D IC37C UPC4570G Iy C365 A0 tu C179 IC38C UPC4570G vik C190 A 0 1u C366 C367 A 0 1u dy G IC39C UPC4570G 1y 5 17 Feb 1998 D BEAM CTRL R240 R241 R242 820k 68k 12k DBV Voltage Output for A D port 0to5V DA 5 i a C213 R331 DAP202K 213 D pe JE vv SCHER DA13 R22 dk i er C212 C380 R236 0 1u TP1 0 01u SI R382 RCS00000C b al y 100 DAP202K 5 AN i 10p RCS00000C R232 10k l R365 5 NIU IC50B A UPC4570G 777 DAN202K ma R231 47k 3 li 47k 120k Se VR1 EVND8AA03B24 DEE ya C202 Q33 8200p 2SK368GR 1 e 2 3 ee E bi C203 UPCAS 0Q 100k NIU NIU 0 1u A A A R246 R245 e 3 3k C420 XDBPLS gt K 15p Q22 x 2SA1037KR A F DAN202K M UPC4570G R330 C209 f ta gt Y15 0 1u IC50C C210 UPC4570G nr 0 1u Vi5 A 18 Feb 1998
20. 74P AR AN2 gue d TC74HC138 D91 LD7 11 8 ml le gt D7 5 i m Wes d 7 Mia nw EEE PEPA o L i LD5 13 5 14 7 D5 7 D D ni LD4 T4 5 157705 DS re D4 514 TONE SELECT ee ir 4 16 E e Ge 3 17 7 D2 7 RN2227 LSCANE e dija ef LDO 18 1 19 Qo po L Do 9 D115 10 i wa LED DATA a TED o cLkK4 51048 1000 PTN SO OCTAVE SCALE3 RN2227 LSCAN9 D D D SW36B D68 D41 D121 D122 D120 NA TVD 2 Wa 2 Wa iva 1 Na 1 NV NY TY TY TY NY 6 SOLO RPS SET HOLD RANSPOSE SCALEA RN2227 LSCAN10 s N SW37B D16 D42 D150 D151 D123 Wa VS Main Matrix Managed by Gate Arrav i ee PANEL BOARD page 1 2 ASSV 71010645 PWB 01343467 23 MC 505 CN1 51048 1300 sis SrA Orin ur oO Ch v ov IN eo tr Sub Matrix Directly Managed by CPU N301 ID cn 53253 0410 D Beam Controller CN3 51048 1000 ji DAS DAS 415 PULSE CN CO Fr LO FF oO OO ez Pulse Clock 6 84 kHz C2 C3 R3 Duty 12 5 R2 RI eck gt Pulse Width 18 3us 1016 ME 0 1 3 3k D6 alzla i 22 22 44 e tc eo bia VREF Nie ea Jan PULSE 3 48 777 D D UN Q5 ex 2SC1815GR Za C8 Y 777 D TLN201 TPS708 eu 150P N R7 3 f Q10 R12 E 10k 100 2502235Y UPC4570HA VRIA VR1B VR2A VR2B Sei VOLUME LOW BOOST R13 R8 415 100 1M SH R15 1 8 1 8 C9 HE 40 16 PX 777 A D D 7770 D 777 A j UPC4570HA A A SOURCE
21. 8T0 15259809T0 15189261 15289105 15289402 15199937 15289125 01126612 00893312 1525976810 15259716T0 01342423 00897078 00343823 01342401 01454634 00899812 00899812 15169596 15169550T0 15169552T0 15169566T0 15189189 00456856 TRANSISTOR 15329104 15309101 15319101 15319105 15329507 15329503 15329511 15329502 15129151 15129427 00785945 15119163 DIODE 15339105 15339109 01121323 01342578 01014645 LED 01341623 00897289 00560745 00348490 01348634 01348623 01342489 01342490 RESISTOR 00126112 15409113 15399965 15399926 15399952 13919140 13919142 TC7WO4F TC7WO8F TC7W74F TC74HC245AF TC74HC393AF M5218AFP UPC4570G2 TA78LO5F 5V Regulator M51953BFP PC 410X TC514260DJS 60 UPD4218160LE 60 TC74HC175AF TC74HC32AF HD6437042AE11F RA01 005 M60205 0601FP LHMNOPNH UPD23C16000WGY 835 MKH LH28F800SUT 70 LH28F800SUT 70 TC74HC4051AP TC74HC138AP TC74HC245AP TC74HC574AP UPC4570HA TD62593AP 25K368 GR 25A1037KR 2SC2412KR 25C3326A DTA114EK DTA124EK DTC114TK DTC124EK 25C1815 GR 25C2235 Y RN1224 RN2227 DAN202K DAP202K DA204U TPS708 Photo Diode MA165 TLN201 Infrared SML1216W SLR 325MCT31 SLR 325VCT31 SLR 56MCT32 SLR 56VCT32 SLZ 190B 17 T1 SLZ 290B 17 T1 EXBV8V101JV EXBV8V103JV RCE9A103JAG7A MCR50 101J MCR50JZH470 RGLD8X103J RGLD8X104J POTENTIOMETER TRIMMER 13299206 01013556 01342545 01013545 01343301 01343312 01342134 CAPACITOR 00236545 0023
22. 9 C244 100p 100p 100p 100p 100p D C266 7 B 0 1u C271 C273 100p 100p C272 C274 100p 100p PB 0 7 F 7 PB 0 7 0275 100p C276 100p T C277 100p a C280 DAS 220 6 3 C278 100p C281 470 16 Kee A C283 22 16 po CO B O1 JO B7B XH A 52147 1210 Molex Wire Trap 1028 TC3WO1F 22 Feb 1998 DAS Q26 DAS Q27 da DTA114EK a DTA114EK L BEAT G N L BEAT R A sp sp R256 R257 DAS S 220 1 10W 220 1 10W 1 R259 100 PULSE 3 2 S IBIES R260 100 3 3 R261 100 1 AMUXO 45 ANA AMUX1 6 AMUX 7 7 AMUX 0 2 8 C237 C238 C239 FS 9 lt __ AMUX O 2 10 100p 100p 100p 11 ie J C240 n A 5 13 220 6 3 EN R269 D 3 100 C249 UPC4570G 52147 1310 C251 UPC4570G 100 0 01u R273 L 1M D D C378 D 0 01u LS 0 3 SS 0 2 C262 C263 C264 C265 dp 100p 100p 100p 100p pros 100x4 J O O1 PB WD 52147 1110 PA ors DAS a D 15k C267 C268 C269 C270 100p 100p 100p 100p R276 R277 1k 1k DAS C279 0 01u R278 R279 n 15k 15k R280 R281 m 1k 1k ANN ANN ENCA SENCB R282 R283 1k 1k C284 C285 Value Dial 0 01u 0 01u D C248 Ou tal AN C377 0 01u 16306 UPC4570G C250 ANO ET al A X ILSIO 3 C SS 0 2 TC7W74F Feb 1998 MC 505
23. 90 00900145 00900189 01012978 01129767 00900156 01343189 00904256 22495277 22495344 00125734 22495274 00125723 01125890 01232201 01232212 00125590 01348623 22495371 01013356 22495372 01342490 01342489 01348634 01348623 00897289 01343223 01342534 01343078 01343090 01341623 01342578 01343089 01345912 01342134 01346112 01343312 01343301 22485303 01013223 J R KNOB MF BLK LCG ROTARY POT RKO9L12D0 10KBX2 ROTARY POT RK09L1140 10KB ROTARY POT RK09L1140 10KB with click TACT SWITCH SKQNAE LED Green SLR 325MCT31 LED Red SLR 325VCT31 D S KEYTOP SD1H BLK D S KEYTOP SX1H BLK D S KEYTOP SX1H MCG D S KEYTOP SX1H DRD S KEYTOP SD2H BLK S KEYTOP SX2H LCG S KEYTOP SX4H BLK S KEVTOP MD1H BLK S KEVTOP MD1H RED S KEVTOP MD1H LCG D S KEYTOP MX1H BLK D S KEYTOP MX1H LCG D S KEYTOP SD1H A CLR TACT SW SKHJGS TACT SW SKHJGR TACT SW EVQ QJJ 050 LED SLR 56VCT32 TS KEYTOP MX1H BLK T S KEYTOP MD1H LCG T S KEYTOP MD1H BLK LED SLZ 290B 17 T1 LED SLZ 190B 17 T1 LED SLR 56MCT32 LED SLR 56VCT32 LED SML1216W LCD UNIT DM1628 0AAB 7 segment LED SL 9351S DISPLAY COVER LED SPACER LED TLN201 PHOTO DIODE TPS708 D BEAM CONTROLLER ESCT BLK F S KNOB S BLK LCG SLIDE POT EWA NKE C10 B14 MOLD KNOB BLK SLIDE POT RS25111C6 10KB L 15 SLIDE POT RS25111A6 10KB L 15 D R KNOB L BLK 248 303 knob ROTARY ENCODER EVQ VEM FO1 24B D D D D D D wv MEMORY CARD 22 FILTER AMPLIFIER
24. 9601 00239434 00239490 00236301 00239534 00239578 00236378 ENVD8AA03B24 RKO9L1140 10KB RKO9L1140 10KB with click RKO9K12D0 10KBX2 RS25111A6 10KB L 15 RS25111C6 10KB L 15 EWA NKE C10 B14 AMZV0050J224 0200 AMZV0050J104 0200 AMZV0050J182 0200 AMZV0050J103 0200 AMZV0050J222 0200 AMZV0050J223 0200 AMZV0050J473 0200 AMZV0050J822 0200 INDUCTOR FILTER 00903167 12449355 N2012Z601T02 FBRO7HA850TB00 CRYSTAL OSCILLATOR 00901912 01126267 ENCODER 01013223 CONNECTOR 00904612 13369592 13369605 13369606 13369607 13369678 13369926 MA 406 24 576MHz MA 406 7 056MHz EVQ VEM FO1 24B 52806 1410 B7B XH A 52147 1010 52147 1110 52147 1210 52147 1310 53253 0410 OpAmp OpAmp Reset IC Photo Coupler DRAM 4Mbit DRAM 16Mbit GPU TG Gate Arrav Wave Memorv Preset Data User Data Program OpAmp TR Arrav FET D4 on PB Bi colored green red green red red green Quad ladder Quad ladder Octal array 1 2W 1 2W Octal array Octal array 25mm slide 25mm clicked 30mm slide SMD Ferrite bead for TG for CPU EN1 on PB FFC Connector MC 505 IC17 on MB IC25 on MB IC29 on MB IC22 on MB IC19 on MB IC49 on MB IC30 31 36 48 50 1C53 55 59 on MB IC32 on MB IC15 34 on MB IC20 ON MB IC10 on MB IC8 on MB IC23 on MB IC24 on MB IC1 on MB IC3 on MB IC2 on MB IC9 on MB IC7 on MB IC5 on MB IC4 on MB IC3 4 7 on PB IC1 5 6 on PB IC10 on PB IC8 on PB IC2 on PB IC9 on PB
25. A14 RD Dis Sino GANT O D D l R WDTOVF PX O a DA3 DA4 DA5 DA6 de UM AA WDTONE 540 pa D D DA204U DA204U DA204U DA204U Bon di JPOEU R S os RAS XCARD St 9 IPOE2ICASH D s CASH XCCTL 499 HLJ7101 01 3010 uu POET CASL P CASL 480 PLLVSS ni F D spares bal 46 IPA7ICS3 D XPCS O C89 R69 PA6 CS2 pi PRECS BRE R73 HA PLLCAR PAt1 0S1 Pt cer cst 13 1M PA10 CS0 O 4 L6 Wa 2 O IC14C 42 58 de TC7WUO4F IPA9 IRQ3 Paz See 570 IPAB IRQ2 Dac XGAINT DI 56 EXTAL ISCKITRQT Py TAPINT gt O SCKO IRQ0 9 XPINT ka Do IC14D vu PE CPUCK 0 1u 470 TC7WUO4F VELE OON D XRST b st XI IPE IDREQI os SED CWPSNS R226 D 7 056MHz PES DRAKT 55 1 1k IC14A FJIRQOUT DACKI 55 EES OCT 4 C110 C96 PEO DREQO Psc 2 DBCLK M60205 0601FP Dhs loco X 15p 15p IPET DRAKO XGAACK 32821218 TAH DACKO IC57A D D D R70 TC7W02F 777 p TC7WUO4F 10 mwn to RESIVPP CK PA15 ES CPUCK R65 System Clock 28 224MHz i e 2 lt ___ XEJECT O 6 HD6437042AE11F Tbe TC7WO2F gt M51953BFP DAS DA5 DAS C419 IC19C 0 1u CO C62 IC18D i TC74HC10F C74 D 0 tu 0 tu E Z O IC57C TC7W02F TC74HC393F N D D D 20 TC74HC393F 1C17B TC7WO04F DBCLK i _ gt A 0 21 lt __ gt D 0 15 AMUX2 AMUX1 AMUX 0 2 gt AMUX 0 2 lt XPWAIT AMUXO T DIOEN BEAT R BEAT G DBCLK gt LCDPWM IC17A TC7WO04F Lo L JENCB C JENCA 2 O 4 6 IC17C TC7WO04
26. B MB PB MB PB MB PB MB PB IB PS PS MB PB MB Inlet Chassis JK1 on IB TP1 2 on MB D4 5 on PB on PB on PB on MB JK1 3 on MB IDENTIFYING THE VERSION NUMBER 1 Turn the power on 2 While holding TEMPO MIXER PTN SONG and PATCH press keyboard pad 12 14 and 16 in order 3 The system program version will be displayed Every time press the keyboard PAD 16 readout on the display changes as follows SYSTEM CPU gt DATA Feb 1998 SAVING AND LOADING THE USER DATA You can save the user data to a memory card SmartMedia Before perform the data saving you must format a memory card by using the following procedure Q Format a Memory Card SmartMedia 1 Insert a memory card 2MB or 4MB type into the memory card slot 2 Hold down SHIFT and press keyboard pad 15 This takes you to the screen for formatting cards 3 Press ENTER The following display will appear and the format operation will be carried out 4 When formatting ends the following display will appear 5 Press EXIT to exit the setting page Q Saving the user data User Backup 1 Hold down SHIFT and press keyboard pad 15 You will enter the CARD section s format page 2 Press PAGE gt to select the User Backup page 3 Press ENTER The following display will appear and the User Backup operation will be carried out Feb 1998 MC 505 4 When User Backup has been completed
27. C15 25 50 KI DISPLAY BANK mi Control Knob SmartMedia S2M 5 S4M 5 amd Been ON MIXER SET Eme EI PATCH xrevere xomav xerx LR C 1 Part Mixer R 1 2 3 4 5 6 7 DEC INC 4 PAGE PORTAMENTO Realtime Modifv Cutoff Resonance OKEVSHET FEIN m lied LFO Depth Coarse Tune O REVERB O DELAY O EFX OUT O MEGAMIX 1 L dit Envelope Depth Attack DELAY LEVEL cris Decay Sustain Release ware MEI 7 SEQUENCER Portament Time BWD FWD MEASURE Effect Reverb Delay EFX TONE RHYT B ES OCTO Play Quantize Timing Velocitv mita oro E C73 Grid Groove 71types Shuffle z E Arpeggiator Accent Rate 53 styles i VALUE D TRANS HOLD POSE El 4 I REALTIME ERASE PTN CALL RPS N S ARPEGGIO DI MEMORY INFO CARD DUMP U T T T I I Others Low Boost Master Volume ATEJ SHIFT CLKJIDATA THINJ QUANTIZE RECLOCK EFX SEQ OUT JITUNE SOUND CONTROLLER SEQUENCER Copyright 1998 by ROLAND CORPORATION All rights reserved No part of this publication may be reproduced in any form without the written permission of ROLAND CORPORATION Roland 17059911 Printed in Japan CR ADOO 1 MC 505 LOCATION OF CONTROLS FRONT VIEW PARTS LIST Part Number Part Name No De 0000 00000000008009000090990600090000090900 0008 DS e E 89 Q 01343112 01013545 01013556 01342545 01343478 00560745 003484
28. CG D S KEYTOP MX1H BLK D S KEYTOP MD1H BLK D S KEYTOP MD1H RED red D S KEYTOP SD1H A CLR clear G S BUTTON S1H BLK Power SW MOLD KNOB BLK Envelope D R KNOB L BLK 248 303 Encoder J R KNOB MF BLK LCG round knob F S KNOB S BLK LCG center fader T S KEYTOP MX1H BLK Tap T S KEYTOP MD1H BLK Keypad T S KEYTOP MD1H LCG Keypad SDDLB1 B D 2 TV 5 5A 250V power SW6 on IB SKHJGR push SW with green LED SW3 46 53 on PB SKHJGS push SW with orange LED SW9 12 29 34 on PB EVQ QJJ 05Q push SW for keypads SW67 83 on PB SKQNAE push SW SW1 2 4 5 7 8 SW13 28 38 45 54 66 SW84 86 on PB YKF51 5054 MIDI JK8 on MB HLJ7001 01 3010 PHONES JK6 on MB HLJ7101 01 3010 PEDAL OUTPUTs JK1 5 7 9 on MB DM1628 0AAB LCD unit SL 9351S 7 segment D8 9 on PB MAIN ESCT SET NOTE1 MAIN ESCT SET includes the following parts kkkkkkkk 01343101 71010634 MAIN BOARD ASSY D C ESCT BX1H BLK PANEL ESCT SET NOTE2 PANEL ESCT SET includes the following parts 22495371 22495372 01013356 01343089 01343090 71010656 IC 15259709T0 15259720T0 15289714 00346490 15249104 15259885 15249111 00233756 T S KEYTOP MX1H BLK T S KEYTOP MD1H BLK T S KEYTOP MD1H LCG D BEAM CONTROLLER ESCT BLK LED SPACER INLET BOARD ASSY TC74HC10FAF IC18 on MB TC74HC74AF IC35 on MB UPD63200GS DAC IC11 13 on MB TC3WO1F IC21 28 on MB TC7S04F IC52 on MB TC7S32F IC56 on MB TC7WUO4F IC14 26 on MB TC7WO2F IC57 on MB THEE E ox HHH 15249121 00127490 00232634 1525977
29. F gt SSEN ES LLCK RS SRW TC74HC393F IC18B TC74HC10F LE LS 0 2 PD 0 7 LODIQ 7 c80 0 1u t gt SS 0 2 H LS 0 3 C gt PD 0 7 H LCDI0 7 16186 TC74HC10F PULSE 2 XDBPLS IC18A TC74HC10F IC17D TC7WO04F Feb 1998 Feb 1998 MEMORV R249 10k XCBSY IC25B TC7WO8F CWPSNS 5 G 3 gt XEJECT S D 0 15 lt gt DA DAS C211 C437 100 16 y 100 16 C206 100 16 777p R252 33k SYSCS pum CPU Address CPU Data 8M Flash o D o e 5 ki al O no Co 000000 O m o Sims us lt 4 m O ow Gil D LH28F800SUT 70 i 56P TSOP CD7 CD6 CD5 CD4 A 0 21 R248 100k CD3 CD2 CD1 CDU XCWR ALE CLE gt CWPSNS D CN015S 3013 0 Smart Media 5 0V only 8M Flash ID UJ lt O m RE 5 UJ lt 4 m ow alu IC24D B TC74HC32AF IC25A TC7WO8F C215 0 1u e ID TU 16M IC Flash NIU 6 d oo ub TC7W08F D O O m o rl Mm v UJ lt 1 m co 2 oil LH 56P TSOP 28F016SUT 70 D TC74HC175F C219 DA5 D 0 tu 1 IC24E TC74HC32AF 7 sb 16M Mask A 1 015 014 013 012 011 010 09 08 07 06 05 04 03 02 01 00 IC24A TC74HC32AF 1C24B TC74HC32AF EE EE do
30. Feb 1998 MC 505 NAL m CL SERVICE NOTES SPECIFICATIONS First Edition MC 505 Ee Pad Issued by RJA OTone Generator Maximum Polyphony 64 voices Display Parts 24 Parts Main 8 RPS 16 LCD 16 characters x 2 Built in Effects Reverb Delay EFX 24 types 7 Segments 6 Digits LED TABLE OF CONTENTS Page Patches Preset 512 User 256 Card 512 SDE IPIC 1 TION A Rhythm Set Preset 26 User 20 Card 20 Power Supply AC100V 50 60Hz AC117V AC230V AC240V PANEL LAYOUT ressssseosossososoossossssossosessossssssosssesososseosososssesososssesosesseesososseesooosoeeso0os000s0000D 3 sequence EXPLODED VIEW gt 2 22 20000000000000000000000200000020020222020200000202000000002000000000000000000000000000000000 4 Tache 8 Mute Ctrl Power Consumption PARTS LIST 5 5 Songs 50 15W IDENTIFVING THE VERSION NUMBER 0000000000000000000000000000000000000000000000000000000000000000000000000000ccccc 5 Preset Patterns 248 RPS Patterns 466 Dimensions SAVING AND LOADING USER DATA 0000000000000000000000000000000000000000000000 00000 0000000000000 0000000000000 fenicia 200 Max 462 W x 320 D x 110 H mm FACTORY PRESET 00000000000000000000000000000000000000000 0000000000000 0000000000000 0000000000000 7 Card Patterns 200 Max 18 3 16 W x 12 5 8 D x 4 3 8 H inches TEST MODE c0000000000000000000000000000000000000000000000000000000000000
31. HLJ7101 01 3010 D 13449284 JACK HLJ7001 01 3010 Roland M O RISK OF ELECTRIC SHOCK ATTENTION DO NOT OPEN S2M 5JSAM 5 RISQUE DE CHOC ELECTRIRUE NE PAS OUVRIR THIS GLAS WARNING TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK TEXT t EE amp THIS DEVICE com DO NOT EXPOSE THIS APPLIANCE TO RAIN OR MOISTURE dada d INTERFERENCE AND TI MIDI PEDAL PHONES OQ DEET Za R DIRECT Y R L MONO L MONO A XI SN e KZ O G SS e N E I e S MC 505 EXPLODED VIEW PARTS No Part Cord Part Name D 12359139 Foot FF 018 BLK 2 01343067 Bottom Cover 3 01450512 Wiring Power 4 71010656 Inlet Board Assy 5 01451678 Switching Regulator KW1AA265 6 71013567 Main Esct Set Main Board 7 01343123 PWB Holder 71010634 Panel Esct Set 9 01125890 DS Keytop SD1H A CLR 01343056 Top Panel D 01343223 LCD DM 1628 0AAB 2 01343078 MC 505 Display Cover No Part Cord Part Name 8 40011045 Binding Tap tight B 2x6mm ZC x4 b 40011056 Binding Tap tight B 3x6mm ZC x29 40011067 Binding Tap tight B 3x8mm ZC x3 d 40011090 Binding Tap tight B 3x6mm BZC x10 e 40238501 Binding Tap tight P 4x8mm BZC x2 a 40011201 Pan Tap tight P 3x8mm BZC x4 9 40230978 Binding Evatight CE 4x12mm BZC x1 th 40011490 Sems 3x6mm BZC x3 D 22150756 Jack Nut 2 x8 O 40011745 M4 Nut with Spring Washer ZC x1 Feb 1998 Feb 1998 PARTS LIST HH HH SAFETY PRECAUTIONS 2 The parts marked have safety r
32. MR Er eis di Salt e cast P RDWR Dal D2R i A e ane A SE E a I gt e CS1 PRECS FINT XEJEGT XINS XCSNS XRD ONE ENERATOR OUTPUT DIRECT 1 2 XDBPLS ANO ANI AN2 AMUX O 2 PB 0 7 IOEN BEAT R BEAT G D BEAM CTRL LCD 0 7 abi PANEL I O OUTPUT MIX MUTE CONTROL Feb 1998 Feb 1998 OUTPUT DIRECT 1 2 R339 R340 4 7k 8 2k A C143 10 16 pup gt R142 UPC4570G 100k A R341 R342 4 7k 8 2k C360 A 100p 6151 6 10 16 7 H 5 DIR gt IC36B R162 UPC4570G 100k A R343 R344 4 7k 8 2k C362 A 100p C159 10 16 un N 3 FS gt IC39A R182 UPC4570G 100k A R345 R346 4 7k 8 2k C363 A 100p C168 10 16 2 N I 5 SE N IC39B R201 UPC4570G 100k A R134 C141 je vm NI R133 Ei 15k R139 RI40 3 IC37A 4 7k 4 7k UPC4570G C144 1800p A C147 R151 2200p R154 C149 27k Nu N A R159 R160 IC37B 4 7k 47K UPC4570G C152 1800p A C156 NIU NIU A R179 R180 3 IC38A 4 7k 4 7k UPC4570G C160 1800p A A R192 C389 15k NIU R198 R199 IC38B 4 7K 47k UPC4570G C170 Lum A C174 2200p C142 10 16 EE R141 100k C150 10 16 R161 100k C158 10 16 ERI R181 100k C167 10 16 LE R200 100k R137 R138 1k 680 pa Jeun 01 3010 1 10W 1 10W N20122601 gt O O Direct_1 L F 25033264 H157 R1
33. WIRING INLET 01450512 MC 505 WIRING POWER 01450523 MC 505 WIRING BEAM 01232978 TD 10 WIRING GND POWER SUPPLY UNIT 01451678 KW1AA265 AC INLET 00125023 PWI1818 INL 7 10A 250V 3P SCREW 40011045 Binding Taptight B 2 6mm ZC 40011056 Binding Taptight B 3 6mm ZC 40011067 Binding Taptight B 3 8mm ZC 40011090 Binding Taptight B 3 6mm BZC 40238501 Binding Taptight P 4 8mm BZC 40011189 Pan Taptight P 3 8mm ZC 40011201 Pan Taptight P 3 8mm BZC 40230978 Binding Evatite CE 4 12mm BZC 40011490 Sems 3 6mm BZC 22150756 JACK NUT 2 40011745 M4 NUT with Spring washer ZC PACKING CASE Card Connector Switching Regulator Test terminal Card escutcheon 01343156 MC 505 PACKING CASE 40018512 VINYL BAG 0 03 50 60 40236612 VINYL BAG MIRROR MAT 0 5 600 460 MISCELLANEOUS 13459171 RCS00000C 00453223 LED SPACER LDS 70G 01346312 MC 505 CARD PROTECTOR 01343089 D BEAM CONTROLLER ESCT BLK DBeam 01343090 LED SPACER 01343101 D C ESCT BX1H BLK 01450734 JACK LEAF covering 01450745 QFP HEATSINK 12199584 M1698 Grounding terminal ACCESSORIES Standard 00894367 00894378 00894389 00907001 23495124 71010678 71010601 AC CORD SET 100V AC CORD SET 120V AC CORD SET 230V AC CORD SET 240VE AC CORD SET 240VA Owner s Manual set Owner s Manual set SP18A IS14 VCTF2X 75 SP301 1514 SJT18 3 SP22 1S14 HO5VV F3G1 0 KP 610 GTBS 3 KS 31A SC 114 J01 ES303 10HMA English Japanese CN3 on MB CN3 5 on PB CN6 on PB CN7 on PB CN1 on PB MB P
34. d Pad 5 while holding down SHIFT 5 1 When SW amp LCD test starts the following display appears All the LEDs turning on 5 2 Press all the buttons one by one Then each names of buttons appear on the display And buttons that have corresponding LEDs are put out its LEDs Press all the buttons for turning off the all LEDs To check the 7 segment LED and Beat LED use WAVESELECT button Check that the segment light in order and Beat LED turns RED and Green Is button name appeared on the display Are all the LEDs turning off 5 3 If test ends normally press ENTER to start next test Troubleshooting for the SW amp LED Test 6 Encoder Test One of the LEDs does not lit Check the condition of connection of LED Two or more LEDs do not lit Refer to the circuit diagram check the transistor buffer 74HC245 or decoder 74HC138 around the LED circuitry One of the SWs does not work Check the diode and condition of connection of SW To or more SWs do not work Refer to the circuit diagram check the decoder and transistor array LED stays on Check the short circuit of signal lines of LED When Switch and LED Test ends normally Encoder Test runs automatically or in the initial display of the test mode press keyboard Pad 6 while holding down SHIFT 6 1 When Encoder test starts the following display appears 6 2 Rotate the encoder clockwise slowly Check that the val changes f
35. e detected from Input and Output of the IC2 on the panel board Check D4 D5 of the panel board Is a driving circuit of D4 work In the case of D4 is drive correctly and no signal detected from 1C2 probably D5 is broken 9 1 Rotate the VOLUME knob fully clockwise and rotate the LOW BOOST knob fully counterclockwise 9 2 Connect the Monitor to the MIXOUT Jack of the MC 505 And also connect the Headphone to the PHONES Jack In the case of you use one Monitor be sure to insert the opened plug into the another channel of the Mix output to obtain the correct wave form Verify the waveform being output by the oscilloscope and check the sound 9 3 When sound test starts sound output from L ch of the MIXOUT and Headphone Every time press the ENTER output channel is switched At first MC 505 output sinusoidal wave from each jacks and next square wave form is output Change the connection of the monitor to corresponding jack Pitch of the sound is deferent depends on each jack Verify that no undesired sound is heard Verifv that no undesired waveform or voltage detected Start MIXOUT L sinusoidal wave press ENTER MIXOUT R sinusoidal wave e DIRECT1 L sinusoidal wave e DIRECT1 R sinusoidal wave e DIRECT2 L sinusoidal wave DIRECT2 R sinusoidal wave press ENTER MIXOUT L square wave MIXOUT R square wave DIRECT1 L square wave DIRECT1 R square wave DIRECT2 L square wave DIRECT2 R square wave 9 4 Connect the moni
36. elated characteristics Use only listed parts for 15 2247017300 replacement CONSIDERATIONS ON PARTS ORDERING When ordering any parts listed in the parts list please specify the following items in the order sheet QTY PART NUMBER DESCRIPTION MODEL NUMBER Ex 10 22575241 Sharp Key C 20 50 Knob orange DAC 15D Failure to completely fill the above items with correct number and description will result in delayed or even undelivered replacement NOTE1 The parts marked are new initial parts NOTE2 The parts marked have safety related characteristics CASING 01343056 01343067 01343078 01343134 01343145 12359139 CHASSIS 01343123 KNOB BUTTON 00125723 00125734 00900145 00900156 00900189 00904256 01012978 01129767 01343189 22495274 22495277 22495344 01125890 12499175 01346112 22485303 01343112 01345912 22495371 22495372 01013356 SWITCH 13129160 01232212 01232201 00125590 01343478 JACK SOCKET 13429825 13449284 13449283 DISPLAY UNIT 01343223 01342534 PCB ASSY 71013567 Use only listed parts for replacement MC 505 TOP PANEL MC 505 BOTTOM COVER MC 505 DISPLAY COVER MC 505 POT DUST COVER A MC 505 POT DUST COVER B FOOT FF 018 BLK MC 505 PWB HOLDER D S KEYTOP MX1H LCG light gray D S KEYTOP MD1H LCG light gray D S KEYTOP SD1H BLK black D S KEYTOP SD2H BLK D S KEYTOP SX1H BLK D S KEYTOP SX4H BLK D S KEYTOP SX1H MCG gray D S KEYTOP SX1H DRD red D S KEYTOP SX2H L
37. lete UPGRADING FLASH ROM SOFTWARE VERSION MC 505 uses the FLASH MEMORY So the program can be update the program by transferring the data from the upgrading disk SMF format through MIDI NOTICE Before executing this software upgrade including Factory Preset save user data referring to the section Saving and Loading user data if necessary If not the user data will be erased Q Required Items MC 505 Version Up Disk Set PNo 17048669 The Version up disk contains the MC 505 program converted into SMF data Obtain the latest version from the service center Sequencer AiAnything that will playback SMF will do MIDI cable Q Update procedure 1 Connect MIDI OUT of the Sequencer with MIDI IN of the MC 505 2 Turn the power on while holding down TEMPO MIXER PTN SET and PATCH button Display shows as follows 3 Press the ENTER button then MC 505 checks the ROM ID number And display shows as follows Check to see that the display shows as described above and then playback the SMF data When the update procedure is in normal operation PATCH LED will blink The file names are as follows _000001 mid _000002 mid _000016 mid For cases where program data volume is small the file count is less 12 than 16 While playing a check sum appears on the display One Check sum of the each file Al Total After all the files have been played compare the original checksum
38. pedal DP 2 etc Monitor Speaker MA 12 etc Q Entering the TEST MODE 1 Connect the Monitor Speaker to the MIX OUT of the MC 505 2 Turn the power on while holding down DBeam TYPE DBeam ON and FUNC You will enter the TEST MODE and the following basic display will appear 3 Press ENTER TEST MODE will be started As a rule tests are in the order of test number but you can select the each test items directly by pressing the Keyboard pad 1 to 11 while pressing SHIFT button Q Exiting the TEST MODE When LCD Test ends the following display appears or in the initial display of the test mode press keyboard Pad 16 while holding down SHIFT Press ENTER button to load the factory preset data NOTICE It takes a few minutes to complete the data loading Never turn the power off during this procedure To abort a command press BWD button Q Test Items The MC 505 has the following 11 test items Some test items will be started automatically when the next previous test ends normally 1 Memory Test 2 MIDI Test Identifying the program version 3 Card Test 4 Pedal Test 5 SW LED Test 6 Encoder Test 7 A D Test 8 DBeam Test 9 Sound Test 10 DSP Test 11 LCD Test e Exiting the each Test item Press ENTER while holding down EXIT The test will be suspended and MC 505 return to basic test mode display 1 Memory Test 1 1 Press ENTER in the basic test display Memory Test will
39. rom O to 424 6 3 Rotate the encoder counterclockwise slowly Check that the val changes from 424 to 24 NOTE To prevent the error not to rotate the encoder fast 6 4 When encoder test ends OK appears on the display 6 5 If test ends normally press ENTER to start next test MC 505 MC 505 Troubleshooting for the Encoder Test val does not change MAIN BOARD 1C17 Is puls generated Check the condition of connection of R278 283 C284 285 on the MAIN BOARD Error result even if rotate the encoder slowly check the encoder 7 AD Test When Encoder Test ends normally AD Test runs automatically or in the initial display of the test mode press keyboard Pad 7 while holding down SHIFT 7 1 When AD test starts the MC 505 goes into standby mode Move each knob name and value of the knob are displayed Move all the knobs and sliders fully one by one excluding VOLUME and LOW BOOST NOTE To prevent the error not to move the knobs or slider simultaneously Check that the value changes 0 from 127 7 2 When test ends press ENTER to start next test Troubleshooting for the AD Test Result of Test Check Inspect the signal path of AMUXO AMUX1 AMUX for breaks or short circuit Value does not reach the 0 or 127 Check the power supply of the panel Check the analog switches 74HC4051 1C3 4 7 on PB Inspect the capacitor that is attached to the potentiometer for short circuit Error resul
40. t even if move the knob Inspect the signal path of the potentiometer for short circuit or slider one by one Check analog switch whether signal of ANO 1 2 are not corrupted 8 DBeam Test When AD Test ends normally DBeam Test runs automatically or in the initial display of the test mode press keyboard Pad 8 while holding down SHIFT 8 1 When passing your hand over the DBeam controller the value appears on the 7 segment LED Raise or lower your hand Check that the value changes 0 from 127 8 2 When test ends press ENTER to start next test 10 Troubleshooting for DBeam Test The value appears on the 7seg LED even if not passing your hand over the DBeam controller The value not appears on the 7seg LED even if passing your hand over the DBeam controller The value does not reach to 127 even if move your hand closer to the DBeam controller 9 Sound Test Feb 1998 Make an adjustment to DBeam controller with reference to Adjusting DBeam controller page Check 1C18 1C19 on the main board Is pulse detected from PULSE DBPLS Check 1C50 1C59 Q33 on main board The value does not reach to 127 even if move your hand closer to the DBeam controller When passing your hand over the DBeam controller is potential of the pin 1 of IC50 change Is signal detected from pin 3 of IC59 Check the condition of connection of CN2 on main board And Inspect the CN2 on the main board for breaks Is puls
41. the following display will FACTORY PRESET appear 1 Turn the power on while holding down the SHIFT Display shows as follows 5 Press EXIT to exit the setting page waa WA 2 Press ENTER button to load the factory preset data NOTICE It takes a few minutes to complete the data loading Q Restoring the Saved Settings Back to Internal Memory Backup Load Never turn the power off during this procedure This operation loads the contents of a backup file that was saved on a card block into internal memory To abort a command press EXIT button 1 Make sure that the memory card is inserted in the memory card slot 2 Hold down SHIFT and press keyboard pad 15 You will enter the CARD section s Format page 3 Press PAGE gt twice to select the Backup Load page d Press ENTER The following display will appear and the Backup Load operation will be carried out 5 When Backup Load is completed the following display will appear 6 Press EXIT to exit the setting page Backup Load complete MC 505 TEST MODE NOTICE Before executing test mode be sure to backup user data as explained in the section Saving and Loading user data And when you execute test mode the various parameters will be given special settings After executing test mode be sure to load the Factory preset data and the User data Q Required items MIDI Cable SmartMedia x2 Formatted Protected Foot
42. tor to the MIXOUT and press ENTER Sinusoidal wave sound output from the center Feb 1998 9 5 Rotate the LOW BOOST knob fully clockwise Next press OCTAVE located near the LOW BOOST knob Verify that no undesired sound is heard Verify that no undesired waveform or voltage detected 9 6 When test ends press ENTER to start next test Troubleshooting of the Sound Test No sound Sound is too loud soft or distorted square wave form is corrupted treble is heavy OCTAVE sound output even if indicator is not lit Or no sound output even if indicator is lit Sample waveforms of Sound Test Check D A converter uPD63200 IC11 13 Check around the power supply digital signal filter circuitry If OP Amp is heated probably it is broken Check the condition of connection and short circuit of capacitors and resistors Check around mute circuitry Control voltage of the 25C3326 printed CCA is normally 15V More than 4V detected from 6pin of IC34 Sound is too loud soft or distorted Check around filter circuitry Check the condition of connection and short circuit of the feedback resistor and ground resistor Check around mute circuitry Check around filter circuitry Check the condition of connection and short circuit of the feedback resistor and ground resistor Check around mute circuitry Check around filter circuitry treble is heavy Check the condition of connection short circuit and breaks of the capacitors

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