Digitech 2120 free download

File name Digitech 2120 schematic.pdf

REV DISCRIPTION ECN DATE REV ECN DATE P0 PROTOTYPE 4-22-96 P1 PROTOTYPE 6-20-96 P2 PROTOTYPE 8-7-96 P3 PROTOTYPE 9-21-96 P4 PROTOTYPE 10-1-96 P5 PROTOTYPE 10-17-96 A0 PRE-PRODUCTION 10-26-96 A1 PRODUCTION RELEASE 12-2-96 A2 ADD TWO SHUNT JUMPERS (32-1075) TO SCH AND BOM 1352 1.30.97 A3 CHANGE U63 TO V1.01 SOFTWARE 1373 2.17.97 A4 CHANGE SW10-SW16 FROM 44-0083 TO 44-0077 1394 2.17.97 A5 CHG U63 TO V1.02, R411 TO 10K, R426 TO 7.5K 1410 2-25-97 A6 CHANGE LIGHT TOUCH SWITCHES FROM 44-0077 TO 44-0083. 1553 4-23-97 A7 CHANGE U63 FROM VERSION 1.02 TO VERSION 1.03. 1598 5-12-97 A8 INSTALL 220pF SMT (62-3138) AT C72. 1633 5-22-97 A9 CHANGE SDISC TO 72-3181. 1815 10-3-97 AA OMIT RESISTORS R228 AND R238. 1850 10-30-97 AB CHANGE C72 TO 62-0022, TIE TO ANALOG GROUND. 1903 11-19-97 AC CHANGES TO REV A BOARDS TO CREATE 2120 VGS ARTIST PRODUCT 2014 2-12-98 |LINK |056280AC.001 |056280AC.002 |056280AC.003 |056280AC.004 |056280AC.005 |056280AC.006 |056280AC.007 |056280AC.008 |056280AC.009 |056280AC.010 |056280AC.011 Digitech 8760 South Sandy Parkway Sandy, Utah 84070 Title GSP-2112 / 2120 VGS ARTIST MAIN BOARD Size B Date: Document Number 056280AC.000 Wednesday, August 02, 2000 Sheet 0 of 11 Rev AC P1B 100K402011 4 6 +12V 5 INPUT J1 J320118 1 4 5 2 3 6 D5 1N4148R C31 .047MD7 FB260217 L37 +12V -12V R332 1M-7 C11 2.2NPS25E1 R11 10K-7 COMP ATTACK 0 10K-7 R47 Q1 2N4124 C14 10NPME1 C17 .047MD7 COMP THRESHOLD +5VA 4 2 U9A LM1972/SM R13 220K-7 1 -12V R337 220K-7 R55 47K-7 R378 1M-7 C23 .0068J 3 7 5 R379 10-7 -12V R381 3.3K-7 C5 10NPME1 7 +12V R383 3.3K-7 +12V 3 7 5 1 R65 10K-7 C12 10NPME1 1 8 2159 6 4 2 6 5 U10B 7 3 R35 10K-7 R52 20K-7 R34 1K-7 8 5 U2C A B Y S 4 9 6 5 U3B 7 COMP/WAH OUT +12V 8 C21 .0068J R54 4.7K-7 R387 1M-7 R388 10-7 10NPME1 C20 C22 120PKD1 R59 47K-7 +12V 8 6 5 R19 10K-7 U11B R58 4.7K-7 -12V +12V R53 2K-7 *WAH BYP R51 2K-7 R45 10K-7 LF353/SM 1 U4 2159 6 4 2 3 U6A 8 2 U36 LF353/SM -12V C85 OMIT R380 51-7 C318 .0010J R382 51-7 +12V 8 6 R61 R60 20K-7 R18 4.7K-7 4 3 1 2 U96A OMIT -12V 2 4 6 R385 OMIT U96B 1 L44 600UH C6 OMIT -12V 8 6 5 7 R386 OMIT +12V 8 21 10K-7 R62 10K-7 +12V R17 20K-7 OMIT R46 5 U6B 7 C25 10NPME1 R67 2K-7 R250 100-7 4 NJM4560/SM 4053/SM +5VA U2D 6 16 R68 1K-7 C289 .047MD7 EN VD VS VE 8 7 -5VA NJM4560/SM R24 100K-7 6 7 5 U12B LF353/SM R29 1M-7 R12 100K-7 +12V R9 39K-7 R8 1K-7 8 19 R254 1M-7 2 Q2 2N4124 COMP ATTACK 1 R33 10K-7 WAH CRTL 1 U11A R384 10-7 3 LF353/SM +12V 10 R16 100K-7 18 11 4 L1 FB260217 R31 10K-7 R86 470K-7 NJM4560/SM 2 3 U90A 1 10NPME1 C15 P1A 100K402011 1 3 C34 1M50E1 R88 470K-7 R44 33K-7 -12V 8 6 5 U90B 7 DRY DRY 2 DRY R93 20K-7 6.8K-7 R335 +12V R41 10K-7 5 6 U8B 7 +12V LF353/SM 8 D1 LEDR702082 R81 1K-7 2 3 U8A 1 Q7 2N5088 C72 220PMD -12V D6 1N4148R R32 4.7K-7 4 C10 4.7ME1 1 9 2 LF353/SM 4 -12V +12V NJM4560/SM R2 51-7 C13 1NPME1 6 4 2 C4 10NPME1 1 R36 1M-7 R255 220K-7 R1 15K-7 3 7 5 C1 50PJD1 R4 15K-7 C7 10NPME1 1 3 2159 LF353/SM 4 -12V U7