ER-ADSR-555-01 Rev 3 Assembly Sheet

From Land Boards Wiki
Revision as of 14:02, 14 March 2023 by Blwikiadmin (talk | contribs) (→‎R13 - Decay Noise Fix)
(diff) ← Older revision | Latest revision (diff) | Newer revision → (diff)
Jump to navigation Jump to search

ER-ADSR-555-01 FRONT REAR -Rev3 CAD.PNG

Parts List

  • Note R4 silkscreen is wrong, s/b 1M
Find Qty Ref Des Part Number Find Qty Ref Des Part Number
1 3 R1, R6, R12, R13* 10K (NOTE) 11 3 Q1-Q3 2N3904
2 1 R2 22K 11 1 DS1 LED, 5MM
3 4 R3, R5, R7, R10 4.7K 12 3 RV1, RV2, RV4 A1M
4 1 R4 1M 13 1 RV3 B10K
5 3 R8, R9, R11 100 14 1 U1 TL072
6 5 D1-D5 1N4148 15 1 U2 LM555N
7 1 C1 10nF 16 1 J1 Conn_02x05
8 1 C2 10uF 17 2 J2, J3 PJ-301BM
9 1 C3 1uF
10 3 C4-C6 0.1uF

Notes

Master Timing Cap

  • Installed C2 (10uF) in machined contact pins

ER-ADSR-555-01 P1090087-720px.jpg

R13 - Decay Noise Fix

  • Decay noise fix details - from Rev 2 card
  • Added as R13 on Rev 3 card
    • 10K on board silkscreen
    • Used 3.3K Resistor on Rev 1, Rev 2 cards