ASV Pot & Switch Board issue 1.2 Parts List
Note that this is for issue 1.2 Pot Boards only. Check which issue board you have before
starting to populate your board.
Resistors
1% 0.25W metal film types are recommended for most values. R1, R2, R3 and R4 should be high
precision 0.1% or better.
220R
R33
2K2
R5, R35
22K
R6, R9, R10, R11, R18, R32, R34
22K/0.1%
R1, R2, R3, R4
47K
R13, R14, R19, R21, R24, R26
62K
R16, R17, R25
100K
R12, R20, R22, R27, R30
180K
R7, R28, R29
470K
R8, R15, R23, R31
Capacitors
100nF axial multi-layer ceramic
C1, C5, C15, C3, C19, C20, C9, C7, C10, C11, C14
33pF C0G ceramic 2.5mm
C8, C12
100pF C0G ceramic 2.5mm
C2, C6, C17, C18
2u2, 50V polyester *
C13, C21, C22, C23
2u2, 63V electrolytic **
C4, C16
* WIMA MKS2B042201F00KSSD are recommended due to their smaller height.
** These should be miniature or low profile types to allow them to fit under the panel. However,
ordinary full height parts can be used if they are laid down flat.
Discrete Semiconductors
1N4148 silicon signal diode
D1, D2, D3, D4
BC550 NPN transistor
Q2
BC560 PNP transistor
Q1
LED 5mm green
GATE – solder only when panel is in position
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