Akashic Guitar effects circuit lookup
AC LEVELBD LEVELCY LEVELLT/HT LEVELOH/CH LEVELSD LEVELTEMPOVOLUME

Enclosure not stated · 8 knobs

Experimentalists Anonymous

Roland TR-606

Based on the Roland TR-606

Category
Ring Mod / Synth· Full Synths Drum Synths and Misc Synth
Controls
AC Level · BD Level · CY Level · LT/HT Level · OH/CH Level · SD Level · Tempo · Volume
Price
see vendor
Tags
Full Synths Drum Synths and Misc Synth

Schematic

The schematic is the archived file. Open it at Experimentalists Anonymous, or browse its folder.

Parts list 659 rows

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Check before you build · 16 values the reader of this schematic was not sure of
  • ×1: sub board +15AV supply feed resistor; designator and value illegible (looks like 11)
  • R113: label partly legible
  • R125: label could be R125 or R128
  • R139: label could be R139 or R109
  • R154: label reads R164 or R154
  • R157: label could be R187/R157
  • R178: label partly legible (R17x)
  • C35: label partly legible
  • C46: 50V; value partly legible
  • C57: label could be C57 or C67
  • C58: label reads C38, which clashes with C38 0.0015
  • C68: 50V; label reads C66, which clashes with C66 near IC12
  • C74: 50V; label reads C74 or C94; C94 is 0.0033 at IC15
  • C92: value partly legible
  • C323: 16V; label partly legible (C32x), +15AV supply filter
  • D35: label partly legible; sheet: all diodes are 1S2473
RefValueNormalizedTypeNotes
Resistors 330
×1??sub board +15AV supply feed resistor; designator and value illegible (looks like 11); read from the schematic by eye
R147K47kread from the schematic by eye
R21K1kread from the schematic by eye
R333K33kread from the schematic by eye
R4470K470kread from the schematic by eye
R5470K470kread from the schematic by eye
R615K15kread from the schematic by eye
R71M1Mread from the schematic by eye
R81M1Mread from the schematic by eye
R9150K150k82K for lots 1-6; read from the schematic by eye
R10150K150k390K for lots 1-6; read from the schematic by eye
R1110K10kread from the schematic by eye
R1247K47k100K for lots 1-46; read from the schematic by eye
R1347K47kread from the schematic by eye
R1447K47kread from the schematic by eye
R1547K47kread from the schematic by eye
R1622K22kread from the schematic by eye
R1722K22kread from the schematic by eye
R181K1kread from the schematic by eye
R1933K33kread from the schematic by eye
R20100K100kread from the schematic by eye
R2115K15kread from the schematic by eye
R2247K47kread from the schematic by eye
R2310K10k33K parallel 15K for lots 1-14; 15K surface mount; read from the schematic by eye
R2482K82kread from the schematic by eye
R2582K82kread from the schematic by eye
R2615K15kread from the schematic by eye
R2733K33kread from the schematic by eye
R2810K10kread from the schematic by eye
R2922K22kread from the schematic by eye
R30100K100kread from the schematic by eye
R31470K470kread from the schematic by eye
R3233K33kread from the schematic by eye
R33100K100kread from the schematic by eye
R341M1Mread from the schematic by eye
R351K1kread from the schematic by eye
R362222read from the schematic by eye
R3715K15kread from the schematic by eye
R3815K15kread from the schematic by eye
R394.7K4.7kread from the schematic by eye
R4022K22kread from the schematic by eye
R4147K47kread from the schematic by eye
R4233K33kread from the schematic by eye
R434.7K4.7kread from the schematic by eye
R444.7K4.7kread from the schematic by eye
R4582K82kread from the schematic by eye
R4682K82kread from the schematic by eye
R4747K47kread from the schematic by eye
R4833K33kread from the schematic by eye
R4947K47kread from the schematic by eye
R5047K47kread from the schematic by eye
R5122K22kread from the schematic by eye
R5210K10kread from the schematic by eye
R53100100read from the schematic by eye
R54100100supply decoupling +15H; read from the schematic by eye
R55100100supply decoupling +15G; read from the schematic by eye
R5610K10kread from the schematic by eye
R5747K47kread from the schematic by eye
R583.3K3.3kread from the schematic by eye
R59680K680kread from the schematic by eye
R6018K18kread from the schematic by eye
R61560K560kread from the schematic by eye
R6247K47kread from the schematic by eye
R6310K10kread from the schematic by eye
R641K1kread from the schematic by eye
R6547K47kread from the schematic by eye
R6612K12kread from the schematic by eye
R6710K10kread from the schematic by eye
R6810K10kread from the schematic by eye
R6922K22kread from the schematic by eye
R7015K15kread from the schematic by eye
R7133K33kread from the schematic by eye
R7215K15kread from the schematic by eye
R7315K15kread from the schematic by eye
R7415K15kread from the schematic by eye
R7515K15kread from the schematic by eye
R763.3K3.3kread from the schematic by eye
R773.3K3.3kread from the schematic by eye
R783.3K3.3kread from the schematic by eye
R793.3K3.3kread from the schematic by eye
R8015K15kread from the schematic by eye
R8147K47kread from the schematic by eye
R8247K47kread from the schematic by eye
R8333K33kread from the schematic by eye
R8422K22kread from the schematic by eye
R8510K10kread from the schematic by eye
R8610K10kread from the schematic by eye
R874.7K4.7kread from the schematic by eye
R8822K22kread from the schematic by eye
R8922K22kread from the schematic by eye
R9033K33kread from the schematic by eye
R9122K22kread from the schematic by eye
R9233K33kread from the schematic by eye
R9310K10kread from the schematic by eye
R9510K10kread from the schematic by eye
R9610K10kread from the schematic by eye
R9747K47kread from the schematic by eye
R9810K10kread from the schematic by eye
R991K1kread from the schematic by eye
R1001K1kread from the schematic by eye
R101100K100kread from the schematic by eye
R10210K10kread from the schematic by eye
R103100100supply decoupling +15F; read from the schematic by eye
R10418K18kread from the schematic by eye
R10527K27kread from the schematic by eye
R106100K100kread from the schematic by eye
R107330330read from the schematic by eye
R10822K22kread from the schematic by eye
R11068K68kread from the schematic by eye
R11110K10kread from the schematic by eye
R112820K820kread from the schematic by eye
R11322K22klabel partly legible; read from the schematic by eye
R11447K47kread from the schematic by eye
R115680680read from the schematic by eye
R1161M1Mread from the schematic by eye
R11722K22kread from the schematic by eye
R11847K47kread from the schematic by eye
R119680K680kread from the schematic by eye
R12027K27kread from the schematic by eye
R12115K15kread from the schematic by eye
R12347K47kread from the schematic by eye
R12447K47kread from the schematic by eye
R12510K10klabel could be R125 or R128; read from the schematic by eye
R12610K10kread from the schematic by eye
R1274.7K4.7kread from the schematic by eye
R12810K10kread from the schematic by eye
R12910K10kread from the schematic by eye
R1304.7K4.7kread from the schematic by eye
R131100K100kread from the schematic by eye
R133220220read from the schematic by eye
R13433K33kread from the schematic by eye
R135330K330kread from the schematic by eye
R136100K100kread from the schematic by eye
R137100K100kread from the schematic by eye
R13822K22kread from the schematic by eye
R13910K10klabel could be R139 or R109; read from the schematic by eye
R140220220read from the schematic by eye
R141220220read from the schematic by eye
R14247K47kread from the schematic by eye
R143470K470kread from the schematic by eye
R144470K470kread from the schematic by eye
R14510K10kread from the schematic by eye
R146100100read from the schematic by eye
R1471M1Mread from the schematic by eye
R148680K680kread from the schematic by eye
R14922K22kread from the schematic by eye
R1501M1Mread from the schematic by eye
R151100100read from the schematic by eye
R152100K100kread from the schematic by eye
R15322K22kread from the schematic by eye
R15422K22klabel reads R164 or R154; read from the schematic by eye
R155100K100kread from the schematic by eye
R15610K10kread from the schematic by eye
R1571K1klabel could be R187/R157; read from the schematic by eye
R1581K1kread from the schematic by eye
R15922K22kread from the schematic by eye
R16047K47kread from the schematic by eye
R16122K22kread from the schematic by eye
R16222K22kread from the schematic by eye
R1631M1Mread from the schematic by eye
R1641M1Mread from the schematic by eye
R16568K68kread from the schematic by eye
R16622K22kread from the schematic by eye
R1671M1Mread from the schematic by eye
R16833K33kread from the schematic by eye
R16933K33kread from the schematic by eye
R17033K33kread from the schematic by eye
R171100100read from the schematic by eye
R17212K12kread from the schematic by eye
R1731M1Mread from the schematic by eye
R17418K18kread from the schematic by eye
R17539K39kread from the schematic by eye
R17639K39kread from the schematic by eye
R17739K39kread from the schematic by eye
R17839K39klabel partly legible (R17x); read from the schematic by eye
R179100100read from the schematic by eye
R1801M1Mread from the schematic by eye
R18133K33kread from the schematic by eye
R18315K15kread from the schematic by eye
R18415K15kread from the schematic by eye
R18533K33kread from the schematic by eye
R18633K33kread from the schematic by eye
R187100K100kread from the schematic by eye
R188100K100kread from the schematic by eye
R18947K47kread from the schematic by eye
R19033K33kread from the schematic by eye
R19122K22kread from the schematic by eye
R192100K100kread from the schematic by eye
R1931K1ksupply decoupling +15B; read from the schematic by eye
R194100K100kread from the schematic by eye
R195100K100kread from the schematic by eye
R196100K100kread from the schematic by eye
R19722K22kread from the schematic by eye
R19847K47kread from the schematic by eye
R199100100supply decoupling +15C; read from the schematic by eye
R20022K22kread from the schematic by eye
R201100100read from the schematic by eye
R2021M1Mread from the schematic by eye
R20318K18kread from the schematic by eye
R2045.6K5.6kread from the schematic by eye
R20539K39kread from the schematic by eye
R20639K39kread from the schematic by eye
R20739K39kread from the schematic by eye
R20839K39kread from the schematic by eye
R209100K100kread from the schematic by eye
R2101K1kread from the schematic by eye
R21122K22kread from the schematic by eye
R21282K82kread from the schematic by eye
R213100K100kread from the schematic by eye
R214100K100kread from the schematic by eye
R215100K100kread from the schematic by eye
R216100100supply decoupling +15E; read from the schematic by eye
R217100100supply decoupling +15D; read from the schematic by eye
R2181K1kread from the schematic by eye
R21947K47kread from the schematic by eye
R22082K82kread from the schematic by eye
R22133K33kread from the schematic by eye
R222560560read from the schematic by eye
R223560560read from the schematic by eye
R224330K330kread from the schematic by eye
R225470K470kread from the schematic by eye
R226330K330k680K from lot 84; read from the schematic by eye
R227150K150kread from the schematic by eye
R228150K150kread from the schematic by eye
R229150K150kread from the schematic by eye
R230150K150kread from the schematic by eye
R231150K150kread from the schematic by eye
R232150K150kread from the schematic by eye
R2333333read from the schematic by eye
R2343.3K3.3kread from the schematic by eye
R2351.5K1.5kread from the schematic by eye
R236100K100kread from the schematic by eye
R2372.72.7fusible resistor; read from the schematic by eye
R23815K15kread from the schematic by eye
R23927K27k5.6K for lots 1-83; read from the schematic by eye
R24082K82kread from the schematic by eye
R24115K15kread from the schematic by eye
R24227K27kread from the schematic by eye
R243180K180kread from the schematic by eye
R244560K560kread from the schematic by eye
R245560K560kread from the schematic by eye
R246470K470kread from the schematic by eye
R2473.3K3.3ksurface mount, lots 20-128; read from the schematic by eye
R30122K22kread from the schematic by eye
R30210K10kread from the schematic by eye
R30322K22kread from the schematic by eye
R30410K10kread from the schematic by eye
R3054.7K4.7kread from the schematic by eye
R30610K10kread from the schematic by eye
R30710K10kread from the schematic by eye
R3084.7K4.7kread from the schematic by eye
R30910K10kread from the schematic by eye
R3101K1kread from the schematic by eye
R3111K1kread from the schematic by eye
R31210K10kread from the schematic by eye
R313100K100kread from the schematic by eye
R314100K100kread from the schematic by eye
R315100K100kread from the schematic by eye
R31610K10kread from the schematic by eye
R317680K680kread from the schematic by eye
R318820820read from the schematic by eye
R31939K39kread from the schematic by eye
R32022K22kread from the schematic by eye
R321100100read from the schematic by eye
R32210K10kread from the schematic by eye
R323180180read from the schematic by eye
R3241M1Mread from the schematic by eye
R3251M1Mread from the schematic by eye
R32615K15kread from the schematic by eye
R32715K15kread from the schematic by eye
R32822K22kread from the schematic by eye
R32947K47kread from the schematic by eye
R33047K47kread from the schematic by eye
R331680K680kread from the schematic by eye
R33222K22kread from the schematic by eye
R333820820read from the schematic by eye
R334100100read from the schematic by eye
R3351M1Mread from the schematic by eye
R3361M1Mread from the schematic by eye
R3372.2K2.2kread from the schematic by eye
R3381M1Mread from the schematic by eye
R33933K33kread from the schematic by eye
R3402K2kread from the schematic by eye
R34122K22kread from the schematic by eye
R34222K22kread from the schematic by eye
R3431010read from the schematic by eye
R3441010read from the schematic by eye
R34547K47kread from the schematic by eye
R34610K10kread from the schematic by eye
R3474.7K4.7kread from the schematic by eye
R3482K2kread from the schematic by eye
R349100K100kread from the schematic by eye
R3504.7K4.7kread from the schematic by eye
R35110K10kread from the schematic by eye
R3534.7K4.7kread from the schematic by eye
R35433K33kread from the schematic by eye
R355100100read from the schematic by eye
R40147K47kread from the schematic by eye
R402680680read from the schematic by eye
R4035.6K5.6kread from the schematic by eye
R4041K1kread from the schematic by eye
R40515K15kread from the schematic by eye
R40615K15kread from the schematic by eye
R40747K47kread from the schematic by eye
R40847K47kread from the schematic by eye
R40947K47kread from the schematic by eye
R41047K47kread from the schematic by eye
R41139K39kread from the schematic by eye
R4123.3K3.3kread from the schematic by eye
R4133.3K3.3kread from the schematic by eye
R4143.3K3.3kread from the schematic by eye
R4153.3K3.3kread from the schematic by eye
R416100100read from the schematic by eye
R417100100read from the schematic by eye
R418100100read from the schematic by eye
R419100100read from the schematic by eye
R4202.2K2.2kread from the schematic by eye
R4212.2K2.2kread from the schematic by eye
R4222.2K2.2kread from the schematic by eye
R4232.2K2.2kread from the schematic by eye
R42410K10kread from the schematic by eye
R42510K10kread from the schematic by eye
R42610K10kread from the schematic by eye
R42747K47kread from the schematic by eye
R428680680read from the schematic by eye
R429680680read from the schematic by eye
R43015K15kread from the schematic by eye
R43115K15kread from the schematic by eye
R43215K15kread from the schematic by eye
R43315K15kread from the schematic by eye
Capacitors 142
C11uF1u50V; read from the schematic by eye
C2220pF220pread from the schematic by eye
C3220pF220pread from the schematic by eye
C40.01uF10nread from the schematic by eye
C51uF1u50V; read from the schematic by eye
C6100uF100u6.3V; read from the schematic by eye
C70.068uF68nread from the schematic by eye
C80.039uF39nread from the schematic by eye
C910uF10u16V; read from the schematic by eye
C100.001uF1nread from the schematic by eye
C110.01uF10nread from the schematic by eye
C120.01uF10nread from the schematic by eye
C1447uF47u16V; read from the schematic by eye
C1547uF47u16V; supply decoupling; read from the schematic by eye
C161uF1u50V; read from the schematic by eye
C1747uF47u16V; supply decoupling; read from the schematic by eye
C1847uF47u16V; read from the schematic by eye
C190.056uF56nread from the schematic by eye
C200.056uF56nread from the schematic by eye
C210.01uF10nread from the schematic by eye
C221uF1u50V; read from the schematic by eye
C230.015uF15nread from the schematic by eye
C240.015uF15nread from the schematic by eye
C250.47uF470n50V; label read C2F, probably C25; read from the schematic by eye
C260.01uF10nread from the schematic by eye
C27100uF100u6.3V; memory backup; read from the schematic by eye
C2847uF47u16V; read from the schematic by eye
C2947uF47u16V; supply decoupling; read from the schematic by eye
C301uF1u50V; read from the schematic by eye
C310.47uF470n?; partial, near R105; read from the schematic by eye
C320.027uF27nread from the schematic by eye
C330.027uF27nread from the schematic by eye
C340.0033uF3.3nread from the schematic by eye
C3522pF22plabel partly legible; read from the schematic by eye
C360.47uF470n50V; label read C3x, probably C36; read from the schematic by eye
C370.056uF56nread from the schematic by eye
C380.0015uF1.5nread from the schematic by eye
C390.0022uF2.2nread from the schematic by eye
C400.047uF47nread from the schematic by eye
C410.056uF56nread from the schematic by eye
C420.47uF470n50V; read from the schematic by eye
C430.0022uF2.2nread from the schematic by eye
C440.0022uF2.2nread from the schematic by eye
C451uF1u50V; read from the schematic by eye
C460.47uF470n50V; value partly legible; read from the schematic by eye
C471uF1u50V; read from the schematic by eye
C482.2uF2.2u50V; read from the schematic by eye
C491uF1u50V; read from the schematic by eye
C500.047uF47nread from the schematic by eye
C510.047uF47nread from the schematic by eye
C520.0018uF1.8nread from the schematic by eye
C531uF1u50V; read from the schematic by eye
C5447uF47u16V; read from the schematic by eye
C551uF1u50V; read from the schematic by eye
C562.2uF2.2u50V; read from the schematic by eye
C570.01uF10nlabel could be C57 or C67; read from the schematic by eye
C580.0018uF1.8nlabel reads C38, which clashes with C38 0.0015; read from the schematic by eye
C590.0022uF2.2nread from the schematic by eye
C600.0022uF2.2nread from the schematic by eye
C612.2uF2.2u50V; read from the schematic by eye
C620.0022uF2.2nread from the schematic by eye
C630.001uF1nread from the schematic by eye
C640.0022uF2.2nread from the schematic by eye
C651uF1u50V; read from the schematic by eye
C661uF1u50V; read from the schematic by eye
C670.0022uF2.2nread from the schematic by eye
C681uF1u50V; label reads C66, which clashes with C66 near IC12; read from the schematic by eye
C690.001uF1nread from the schematic by eye
C700.001uF1nread from the schematic by eye
C711uF1u50V; read from the schematic by eye
C7247uF47u16V; supply decoupling; read from the schematic by eye
C730.001uF1nread from the schematic by eye
C741uF1u50V; label reads C74 or C94; C94 is 0.0033 at IC15; read from the schematic by eye
C751uF1u50V; read from the schematic by eye
C760.047uF47nread from the schematic by eye
C770.0022uF2.2nread from the schematic by eye
C780.0033uF3.3nread from the schematic by eye
C790.01uF10nread from the schematic by eye
C8047uF47u16V; supply decoupling; read from the schematic by eye
C8147uF47u16V; one of seven supply decoupling caps drawn 47/16 x7; read from the schematic by eye
C821uF1u50V; read from the schematic by eye
C832.2uF2.2u50V; read from the schematic by eye
C841uF1u50V; read from the schematic by eye
C851uF1u50V; read from the schematic by eye
C86220pF220pread from the schematic by eye
C872.2uF2.2u50V; read from the schematic by eye
C88220pF220pread from the schematic by eye
C892.2uF2.2u50V; read from the schematic by eye
C900.0068uF6.8nread from the schematic by eye
C910.0068uF6.8nread from the schematic by eye
C920.0033uF3.3nvalue partly legible; read from the schematic by eye
C9347uF47u16V; supply decoupling; read from the schematic by eye
C940.0033uF3.3nread from the schematic by eye
C950.0033uF3.3nread from the schematic by eye
C960.001uF1nread from the schematic by eye
C970.01uF10nread from the schematic by eye
C980.01uF10nread from the schematic by eye
C990.015uF15nread from the schematic by eye
C10047uF47u16V; read from the schematic by eye
C1012.2uF2.2u50V; read from the schematic by eye
C1020.001uF1nread from the schematic by eye
C10310uF10u16V; read from the schematic by eye
C104100uF100u16V; read from the schematic by eye
C10510uF10u16V; read from the schematic by eye
C10610uF10u16V; lots 1-14 only; read from the schematic by eye
C1070.015uF15nread from the schematic by eye
C1080.012uF12nread from the schematic by eye
C1090.012uF12nread from the schematic by eye
C1100.001uF1nsurface mount; read from the schematic by eye
C3010.0047uF4.7nread from the schematic by eye
C30247uF47u16V; read from the schematic by eye
C3030.47uF470n50V; read from the schematic by eye
C3040.027uF27nread from the schematic by eye
C3050.027uF27nread from the schematic by eye
C30647uF47u16V; read from the schematic by eye
C3070.0039uF3.9nread from the schematic by eye
C3081uF1u50V; read from the schematic by eye
C3091uF1u50V; read from the schematic by eye
C3100.018uF18nread from the schematic by eye
C3110.018uF18nread from the schematic by eye
C3120.047uF47nread from the schematic by eye
C3130.068uF68nread from the schematic by eye
C3140.039uF39nread from the schematic by eye
C3150.018uF18nread from the schematic by eye
C3160.047uF47nread from the schematic by eye
C3170.01uF10nread from the schematic by eye
C31847uF47u16V; read from the schematic by eye
C319100uF100u6.3V; read from the schematic by eye
C32010uF10u16V; read from the schematic by eye
C3210.0068uF6.8nread from the schematic by eye
C3220.068uF68nread from the schematic by eye
C32347uF47u16V; label partly legible (C32x), +15AV supply filter; read from the schematic by eye
C3240.01uF10nread from the schematic by eye
C325100uF100u6.3V; read from the schematic by eye
C32647uF47u16V; read from the schematic by eye
C3272.2uF2.2u50V; read from the schematic by eye
C328100uF100u6.3V; read from the schematic by eye
C3290.001uF1nsurface mount; read from the schematic by eye
C3300.001uF1nsurface mount; read from the schematic by eye
C4011uF1u50V; read from the schematic by eye
C40210uF10u16V; read from the schematic by eye
C403100uF100u6.3V; read from the schematic by eye
Diodes 60
D11S24731S2473sheet: all diodes are 1S2473; read from the schematic by eye
D21S24731S2473sheet: all diodes are 1S2473; read from the schematic by eye
D31S24731S2473sheet: all diodes are 1S2473; read from the schematic by eye
D41S24731S2473sheet: all diodes are 1S2473; read from the schematic by eye
D51S24731S2473sheet: all diodes are 1S2473; read from the schematic by eye
D61S24731S2473sheet: all diodes are 1S2473; read from the schematic by eye
D71S24731S2473sheet: all diodes are 1S2473; read from the schematic by eye
D81S24731S2473sheet: all diodes are 1S2473; read from the schematic by eye
D91S24731S2473sheet: all diodes are 1S2473; read from the schematic by eye
D101S24731S2473sheet: all diodes are 1S2473; read from the schematic by eye
D111S24731S2473sheet: all diodes are 1S2473; read from the schematic by eye
D121S24731S2473sheet: all diodes are 1S2473; read from the schematic by eye
D131S24731S2473sheet: all diodes are 1S2473; read from the schematic by eye
D141S24731S2473sheet: all diodes are 1S2473; read from the schematic by eye
D151S24731S2473sheet: all diodes are 1S2473; read from the schematic by eye
D161S24731S2473sheet: all diodes are 1S2473; read from the schematic by eye
D171S24731S2473sheet: all diodes are 1S2473; read from the schematic by eye
D181S24731S2473sheet: all diodes are 1S2473; read from the schematic by eye
D191S24731S2473sheet: all diodes are 1S2473; read from the schematic by eye
D201S24731S2473sheet: all diodes are 1S2473; read from the schematic by eye
D211S24731S2473sheet: all diodes are 1S2473; read from the schematic by eye
D221S24731S2473sheet: all diodes are 1S2473; read from the schematic by eye
D231S24731S2473sheet: all diodes are 1S2473; read from the schematic by eye
D241S24731S2473sheet: all diodes are 1S2473; read from the schematic by eye
D251S24731S2473sheet: all diodes are 1S2473; read from the schematic by eye
D261S24731S2473sheet: all diodes are 1S2473; read from the schematic by eye
D271S24731S2473sheet: all diodes are 1S2473; read from the schematic by eye
D281S24731S2473sheet: all diodes are 1S2473; read from the schematic by eye
D291S24731S2473sheet: all diodes are 1S2473; read from the schematic by eye
D301S24731S2473sheet: all diodes are 1S2473; read from the schematic by eye
D311S24731S2473sheet: all diodes are 1S2473; read from the schematic by eye
D321S24731S2473sheet: all diodes are 1S2473; read from the schematic by eye
D331S24731S2473sheet: all diodes are 1S2473; read from the schematic by eye
D341S24731S2473sheet: all diodes are 1S2473; read from the schematic by eye
D351S24731S2473label partly legible; sheet: all diodes are 1S2473; read from the schematic by eye
D361S24731S2473sheet: all diodes are 1S2473; read from the schematic by eye
D371S24731S2473sheet: all diodes are 1S2473; read from the schematic by eye
D381S24731S2473surface mount, lots 1-20; sheet: all diodes are 1S2473; read from the schematic by eye
D391S24731S2473sheet: all diodes are 1S2473; read from the schematic by eye
D40RD6.8EB2RD6.8EB2zener; RD6.8EB3 for lots 1-83; read from the schematic by eye
D411S24731S2473sheet: all diodes are 1S2473; read from the schematic by eye
D42RD15EB3RD15EB3zener; read from the schematic by eye
D431S188FM1S188FMread from the schematic by eye
D441S24731S2473sheet: all diodes are 1S2473; read from the schematic by eye
D451S24731S2473surface mount from lot 15; sheet: all diodes are 1S2473; read from the schematic by eye
D3011S24731S2473sheet: all diodes are 1S2473; read from the schematic by eye
D3021S24731S2473sheet: all diodes are 1S2473; read from the schematic by eye
D3031S24731S2473sheet: all diodes are 1S2473; read from the schematic by eye
D3041S24731S2473sheet: all diodes are 1S2473; read from the schematic by eye
D4021S24731S2473sheet: all diodes are 1S2473; read from the schematic by eye
D4031S24731S2473sheet: all diodes are 1S2473; read from the schematic by eye
D4041S24731S2473sheet: all diodes are 1S2473; read from the schematic by eye
D4051S24731S2473sheet: all diodes are 1S2473; read from the schematic by eye
D4061S24731S2473sheet: all diodes are 1S2473; read from the schematic by eye
D40710E-210E-2read from the schematic by eye
D40810E-210E-2read from the schematic by eye
D40910E-210E-2read from the schematic by eye
D41010E-210E-2read from the schematic by eye
D4271S24731S2473sheet: all diodes are 1S2473; read from the schematic by eye
D4281S24731S2473sheet: all diodes are 1S2473; read from the schematic by eye
Transistors 69
Q12SC945/2SA7332SC945 / 2SA733NPN 2SC945, PNP 2SA733 per sheet note; polarity not read per transistor; read from the schematic by eye
Q22SC945/2SA7332SC945 / 2SA733NPN 2SC945, PNP 2SA733 per sheet note; polarity not read per transistor; read from the schematic by eye
Q32SC945/2SA7332SC945 / 2SA733NPN 2SC945, PNP 2SA733 per sheet note; polarity not read per transistor; read from the schematic by eye
Q42SC945/2SA7332SC945 / 2SA733NPN 2SC945, PNP 2SA733 per sheet note; polarity not read per transistor; read from the schematic by eye
Q52SC945/2SA7332SC945 / 2SA733NPN 2SC945, PNP 2SA733 per sheet note; polarity not read per transistor; read from the schematic by eye
Q62SC945/2SA7332SC945 / 2SA733NPN 2SC945, PNP 2SA733 per sheet note; polarity not read per transistor; read from the schematic by eye
Q72SC945/2SA7332SC945 / 2SA733NPN 2SC945, PNP 2SA733 per sheet note; polarity not read per transistor; read from the schematic by eye
Q82SC945/2SA7332SC945 / 2SA733NPN 2SC945, PNP 2SA733 per sheet note; polarity not read per transistor; read from the schematic by eye
Q92SC945/2SA7332SC945 / 2SA733NPN 2SC945, PNP 2SA733 per sheet note; polarity not read per transistor; read from the schematic by eye
Q102SC945/2SA7332SC945 / 2SA733NPN 2SC945, PNP 2SA733 per sheet note; polarity not read per transistor; read from the schematic by eye
Q112SC945/2SA7332SC945 / 2SA733NPN 2SC945, PNP 2SA733 per sheet note; polarity not read per transistor; read from the schematic by eye
Q122SC945/2SA7332SC945 / 2SA733NPN 2SC945, PNP 2SA733 per sheet note; polarity not read per transistor; read from the schematic by eye
Q132SC945/2SA7332SC945 / 2SA733NPN 2SC945, PNP 2SA733 per sheet note; polarity not read per transistor; read from the schematic by eye
Q142SC945/2SA7332SC945 / 2SA733NPN 2SC945, PNP 2SA733 per sheet note; polarity not read per transistor; read from the schematic by eye
Q152SC945/2SA7332SC945 / 2SA733NPN 2SC945, PNP 2SA733 per sheet note; polarity not read per transistor; read from the schematic by eye
Q162SC945/2SA7332SC945 / 2SA733NPN 2SC945, PNP 2SA733 per sheet note; polarity not read per transistor; read from the schematic by eye
Q172SC945/2SA7332SC945 / 2SA733NPN 2SC945, PNP 2SA733 per sheet note; polarity not read per transistor; read from the schematic by eye
Q182SC945/2SA7332SC945 / 2SA733NPN 2SC945, PNP 2SA733 per sheet note; polarity not read per transistor; read from the schematic by eye
Q192SC945/2SA7332SC945 / 2SA733NPN 2SC945, PNP 2SA733 per sheet note; polarity not read per transistor; read from the schematic by eye
Q212SC945/2SA7332SC945 / 2SA733NPN 2SC945, PNP 2SA733 per sheet note; polarity not read per transistor; read from the schematic by eye
Q222SC945/2SA7332SC945 / 2SA733NPN 2SC945, PNP 2SA733 per sheet note; polarity not read per transistor; read from the schematic by eye
Q232SC945/2SA7332SC945 / 2SA733NPN 2SC945, PNP 2SA733 per sheet note; polarity not read per transistor; read from the schematic by eye
Q242SC945/2SA7332SC945 / 2SA733NPN 2SC945, PNP 2SA733 per sheet note; polarity not read per transistor; read from the schematic by eye
Q252SC945/2SA7332SC945 / 2SA733NPN 2SC945, PNP 2SA733 per sheet note; polarity not read per transistor; read from the schematic by eye
Q262SC945/2SA7332SC945 / 2SA733NPN 2SC945, PNP 2SA733 per sheet note; polarity not read per transistor; read from the schematic by eye
Q272SC945/2SA7332SC945 / 2SA733NPN 2SC945, PNP 2SA733 per sheet note; polarity not read per transistor; read from the schematic by eye
Q282SC945/2SA7332SC945 / 2SA733NPN 2SC945, PNP 2SA733 per sheet note; polarity not read per transistor; read from the schematic by eye
Q292SC945/2SA7332SC945 / 2SA733NPN 2SC945, PNP 2SA733 per sheet note; polarity not read per transistor; read from the schematic by eye
Q302SC945/2SA7332SC945 / 2SA733NPN 2SC945, PNP 2SA733 per sheet note; polarity not read per transistor; read from the schematic by eye
Q312SC945/2SA7332SC945 / 2SA733noise source, reverse-biased junction; NPN 2SC945, PNP 2SA733 per sheet note; polarity not read per transistor; read from the schematic by eye
Q322SC945/2SA7332SC945 / 2SA733NPN 2SC945, PNP 2SA733 per sheet note; polarity not read per transistor; read from the schematic by eye
Q332SC945/2SA7332SC945 / 2SA733NPN 2SC945, PNP 2SA733 per sheet note; polarity not read per transistor; read from the schematic by eye
Q342SC945/2SA7332SC945 / 2SA733NPN 2SC945, PNP 2SA733 per sheet note; polarity not read per transistor; read from the schematic by eye
Q352SC945/2SA7332SC945 / 2SA733NPN 2SC945, PNP 2SA733 per sheet note; polarity not read per transistor; read from the schematic by eye
Q362SC945/2SA7332SC945 / 2SA733NPN 2SC945, PNP 2SA733 per sheet note; polarity not read per transistor; read from the schematic by eye
Q372SC945/2SA7332SC945 / 2SA733NPN 2SC945, PNP 2SA733 per sheet note; polarity not read per transistor; read from the schematic by eye
Q382SC945/2SA7332SC945 / 2SA733NPN 2SC945, PNP 2SA733 per sheet note; polarity not read per transistor; read from the schematic by eye
Q392SC945/2SA7332SC945 / 2SA733NPN 2SC945, PNP 2SA733 per sheet note; polarity not read per transistor; read from the schematic by eye
Q402SC945/2SA7332SC945 / 2SA733NPN 2SC945, PNP 2SA733 per sheet note; polarity not read per transistor; read from the schematic by eye
Q412SB647C2SB647Cread from the schematic by eye
Q422SB5862SB586read from the schematic by eye
Q432SC945/2SA7332SC945 / 2SA733NPN 2SC945, PNP 2SA733 per sheet note; polarity not read per transistor; read from the schematic by eye
Q442SD6672SD667read from the schematic by eye
Q452SC945/2SA7332SC945 / 2SA733lots 1-83 only; NPN 2SC945, PNP 2SA733 per sheet note; polarity not read per transistor; read from the schematic by eye
Q462SC945/2SA7332SC945 / 2SA733NPN 2SC945, PNP 2SA733 per sheet note; polarity not read per transistor; read from the schematic by eye
Q3012SC945/2SA7332SC945 / 2SA733NPN 2SC945, PNP 2SA733 per sheet note; polarity not read per transistor; read from the schematic by eye
Q3022SC945/2SA7332SC945 / 2SA733NPN 2SC945, PNP 2SA733 per sheet note; polarity not read per transistor; read from the schematic by eye
Q3032SC945/2SA7332SC945 / 2SA733NPN 2SC945, PNP 2SA733 per sheet note; polarity not read per transistor; read from the schematic by eye
Q3042SC945/2SA7332SC945 / 2SA733NPN 2SC945, PNP 2SA733 per sheet note; polarity not read per transistor; read from the schematic by eye
Q3052SC945/2SA7332SC945 / 2SA733NPN 2SC945, PNP 2SA733 per sheet note; polarity not read per transistor; read from the schematic by eye
Q3062SC945/2SA7332SC945 / 2SA733NPN 2SC945, PNP 2SA733 per sheet note; polarity not read per transistor; read from the schematic by eye
Q3072SC945/2SA7332SC945 / 2SA733NPN 2SC945, PNP 2SA733 per sheet note; polarity not read per transistor; read from the schematic by eye
Q3082SC945/2SA7332SC945 / 2SA733NPN 2SC945, PNP 2SA733 per sheet note; polarity not read per transistor; read from the schematic by eye
Q3092SC945/2SA7332SC945 / 2SA733NPN 2SC945, PNP 2SA733 per sheet note; polarity not read per transistor; read from the schematic by eye
Q3102SC945/2SA7332SC945 / 2SA733NPN 2SC945, PNP 2SA733 per sheet note; polarity not read per transistor; read from the schematic by eye
Q4012SC2021/2SA9372SC2021 / 2SA937switch board: NPN 2SC2021, PNP 2SA937 per sheet note; polarity not read per transistor; read from the schematic by eye
Q4022SC2021/2SA9372SC2021 / 2SA937switch board: NPN 2SC2021, PNP 2SA937 per sheet note; polarity not read per transistor; read from the schematic by eye
Q4032SC2021/2SA9372SC2021 / 2SA937switch board: NPN 2SC2021, PNP 2SA937 per sheet note; polarity not read per transistor; read from the schematic by eye
Q4042SC2021/2SA9372SC2021 / 2SA937switch board: NPN 2SC2021, PNP 2SA937 per sheet note; polarity not read per transistor; read from the schematic by eye
Q4052SC2021/2SA9372SC2021 / 2SA937switch board: NPN 2SC2021, PNP 2SA937 per sheet note; polarity not read per transistor; read from the schematic by eye
Q4062SC2021/2SA9372SC2021 / 2SA937switch board: NPN 2SC2021, PNP 2SA937 per sheet note; polarity not read per transistor; read from the schematic by eye
Q4072SC2021/2SA9372SC2021 / 2SA937switch board: NPN 2SC2021, PNP 2SA937 per sheet note; polarity not read per transistor; read from the schematic by eye
Q4082SC2021/2SA9372SC2021 / 2SA937switch board: NPN 2SC2021, PNP 2SA937 per sheet note; polarity not read per transistor; read from the schematic by eye
Q4092SC2021/2SA9372SC2021 / 2SA937switch board: NPN 2SC2021, PNP 2SA937 per sheet note; polarity not read per transistor; read from the schematic by eye
Q4102SC2021/2SA9372SC2021 / 2SA937switch board: NPN 2SC2021, PNP 2SA937 per sheet note; polarity not read per transistor; read from the schematic by eye
Q4112SC2021/2SA9372SC2021 / 2SA937switch board: NPN 2SC2021, PNP 2SA937 per sheet note; polarity not read per transistor; read from the schematic by eye
Q4122SC2021/2SA9372SC2021 / 2SA937switch board: NPN 2SC2021, PNP 2SA937 per sheet note; polarity not read per transistor; read from the schematic by eye
Q4132SC2021/2SA9372SC2021 / 2SA937switch board: NPN 2SC2021, PNP 2SA937 per sheet note; polarity not read per transistor; read from the schematic by eye
Q4142SC2021/2SA9372SC2021 / 2SA937switch board: NPN 2SC2021, PNP 2SA937 per sheet note; polarity not read per transistor; read from the schematic by eye
ICs 16
IC1HD14584BHD14584Bhex Schmitt inverter; read from the schematic by eye
IC2HD14013BPHD14013BPdual D flip-flop; read from the schematic by eye
IC3HD14001BPHD14001BPquad NOR; read from the schematic by eye
IC4uPD650C-128UPD650C-1284-bit microcontroller (mask ROM); read from the schematic by eye
IC5JRC2904JRC2904dual op amp; sheet says all op amps are JRC2904; read from the schematic by eye
IC6HD14011BPHD14011BPquad NAND; read from the schematic by eye
IC7uPD444CUPD444C1Kx4 static RAM; read from the schematic by eye
IC8uPD444CUPD444C1Kx4 static RAM; read from the schematic by eye
IC9JRC2904JRC2904dual op amp; sheet says all op amps are JRC2904; read from the schematic by eye
IC10JRC2904JRC29044558 from lot 95; read from the schematic by eye
IC11AN6912AN6912dual comparator; read from the schematic by eye
IC12JRC2904JRC2904dual op amp; sheet says all op amps are JRC2904; read from the schematic by eye
IC13LA4140LA4140headphone amp; read from the schematic by eye
IC14JRC2904JRC2904dual op amp; sheet says all op amps are JRC2904; read from the schematic by eye
IC15uPC4558UPC4558dual op amp; read from the schematic by eye
IC16HD14584BPHD14584BPhex Schmitt inverter, metallic oscillators; read from the schematic by eye
Potentiometers 8
AC Level10KBB10kPotentiometerVR2, accent level; read from the schematic by eye
BD Level50KBB50kPotentiometerVR3; read from the schematic by eye
CY Level50KBB50kPotentiometerVR6, cymbal level; read from the schematic by eye
LT/HT Level50KBB50kPotentiometerVR5, low and high tom level; read from the schematic by eye
OH/CH Level50KBB50kPotentiometerVR7, open and closed hihat level; read from the schematic by eye
SD Level50KBB50kPotentiometerVR4; read from the schematic by eye
Tempo1MCC1MPotentiometerVR1; taper letter C as drawn; read from the schematic by eye
Volume50KAA50kPotentiometerVR8, with power switch; read from the schematic by eye
Trimmers 3
TM1100KB100kinternal clock rate trim; read from the schematic by eye
TM2100KB100ktempo range trim; 22KB for lots 1-46; read from the schematic by eye
TM310KB10knoise level trim; read from the schematic by eye
Switches 10
InstrumentSP8TSP8TSW3, 8 positions (AC, BD, SD, LT, HT, CY, OH, CH); read from the schematic by eye
ModeSP4TSP4TSW4; read from the schematic by eye
Pre ScaleSP4TSP4TSW2; read from the schematic by eye
SW24SPSTSPSTTap button, momentary; read from the schematic by eye
SW25SPSTSPSTI/II button, momentary; read from the schematic by eye
SW5SPSTSPSTClear button, momentary; read from the schematic by eye
SW6SPSTSPSTRun/Stop button, momentary; read from the schematic by eye
SW7SPSTSPSTBar button, momentary; read from the schematic by eye
SW8-SW23SPSTSPST16 momentary step buttons, ×16; read from the schematic by eye
Sync In/OutDPDTDPDTSW1, two ganged poles drawn; read from the schematic by eye
LEDs 19
D401LEDLEDread from the schematic by eye
D411LEDLEDread from the schematic by eye
D412LEDLEDread from the schematic by eye
D413LEDLEDread from the schematic by eye
D414LEDLEDread from the schematic by eye
D415LEDLEDread from the schematic by eye
D416LEDLEDread from the schematic by eye
D417LEDLEDread from the schematic by eye
D418LEDLEDread from the schematic by eye
D419LEDLEDread from the schematic by eye
D420LEDLEDread from the schematic by eye
D421LEDLEDread from the schematic by eye
D422LEDLEDread from the schematic by eye
D423LEDLEDread from the schematic by eye
D424LEDLEDread from the schematic by eye
D425LEDLEDread from the schematic by eye
D426LEDLEDread from the schematic by eye
D429LEDLEDread from the schematic by eye
D430LEDLEDread from the schematic by eye
Other 2
T1S74230S74230CPU clock resonator coil; read from the schematic by eye
T2MC102CMC102CDC-DC converter transformer; read from the schematic by eye