Nobels DD800 free download

File name Nobels-DD800 digit delay.pdf

1 2 3 4 V+ VH Digital Delay / DD-800 R21 33k R34 R37 C31 470p C30 R32 1 C21 2.2µ R24 10k R25 47k C24 D R1 27k XON D R2 27k C4 47µ 22k D31 1N4148 Q31 2SK30A 2 3 C33 47n 1M 2.7n EXTERNAL POWER SUPPLY 5 4 1 3 4 VH 5 V+ 3 I - O R31 22k C2 47µ W1 WIRE C3 100n R35 330k C22 3 9 F1 22000pF U5 78L05 1 VCC R33 C32 1 2 C34 2.2µ R36 330k JP1A JP2A XSIP9 XSIP9 3 1 1 Delay Level 3 2.2µ 22k C23 100p V+ 15k U4A 4558S 2.2µ P21 B50k 2 2 OUTPUT 3 R22 1 1 J4 J7001 D1 1N4001 Repeat VH VH P31 B50k 3 7 6 U4B 8 J2 C25 2 2.2µ 47k JP2C JP1C XSIP9 XSIP9 C1 220µ B1 2 1 PON V+ V+ V+ V+ V+ W8 WIRE R38 47k 4558S VH 2 3.3µ R26 200k 1 J8004 XGND D-GND PGND Tone 3 W9 WIRE W4 WIRE D-GND D-GND (XGND=GND of Control-PCB) (PGND=GND of Switch & Pots) JP2B XSIP9 JP1B XSIP9 7 6 2 W5 WIRE P32 2 SNAP W2 W3 W6 W7 WIRE WIRE WIRE WIRE C 2 B50k R17 1 V+ 9 8 Signal Processor VCC 39 40 DRAM 256 VCC C Vcc 2 J1 3 Q11 2SK222E C11 R11 68k 3 R14 10k C12 C13 2.7n C14 100p V+ 2.2µ XGND 2 1 R39 330k VH U3B 4558S R40 15k C37 2.2µ C47 6.8n C48 0.47µ C49 150n NC INPUT V+ 33k C35 C36 0.1µ PT2395 37 38 36 35 34 33 31 LPF2out1 LPF2out2 LPF2in1 LPF2in2 OP2out OP2in LPF-1in LPF1out OP1out U1 A0 A1 A2 A3 A4 A5 A6 A7 A8 RAS CAS W D0 MDI OSCX 9 5 11 7 10 6 15 12 14 11 13 10 2 13 12 9 1 1 8 4 4 15 7 3 6 2 3 14 24 25 26 17 18 16 U2 AM90C256-08PC(16) A0 A1 A2 A3 A4 A5 A6 A7 A8 RAS CAS W D Q VCC 8 C56 100p 47n R15 47k R16 10k 1 3 4 5 1 U3A 2 C15 J8004 R12 1M 2.2µ R13 3.3k R18 R42 47k 4558S 2.2µ 33k C50 220p C51 0.1µ R46 10k Ref JP1H XSIP9 VH VCC VH Short / Long - Delay JP2F XSIP9 6 3 6 1 4 D-GND JP2H XSIP9 30 29 28 19 20 27 22 23 32 VSS 16 VCC JP1F XSIP9 6 SW41A 2 5 JP2I XSIP9 9 9 C55 33p R49 220 R48 910 P41 A5k 1 3 RESET KSA-2240A B CDI JP1I XSIP9 OP1in SHORT SEL REF MID LONG A-GND OSCO OSCI CC1 CC2 D-GND 8 7 8 7 JP1G XSIP9 JP2G XSIP9 Delay Time B Comparator R43 2.2k V+ 21 D-GND 8 6 5 5 V+ D-GND VCC C53 0.1µ C54 0.1µ REMOTE J3 3 2 1 C44 4.7µ R203 100 C45 4.7n C203 47µ 2 3 U6 LM311 7 VCC R47 10k D41 1N4148 R44 10k C46 100µ 4 1 D101 1N4148 R102 100k U101 4007 5 2 1SP 1DP 1DN 1SN VDD 2DP 3 2 1 5 4 14 13 8 7 11 12 9 C52 1µ Reset D-GND J8004 6 3 SW101A SW2204 4 1 R103 100k XON JP1D XSIP9 4 JP2D XSIP9 R105 4 D102 Led Green 2 All unspecified capacitors in µF, resistors carbon 5% All rights reserved - Copyright NOBELS Electronics e.K. A 1A 2A 3A R101 470k C101 1n 6 10 2DN VSS 3SP 3Y 3SN R104 1M R110 47k C102 10n 2.2k ON JP2E XSIP9 JP1E XSIP9 5 5 Title No.: Date: File: 3 NOBELS ELECTRONICS Barnerstrasse 42, 22765 Hamburg, Germany www.nobels.com - email: [email protected] A CIRCUIT DIAGRAM Digital Delay / DD-800 15-Apr-2003 DD-800 R4a.sch 4 Time: Size: Sheet XGND 1 2 18:52:32 A4 Rev: 4a 1 of 1