The following information is for circuits with Volume|Tone|Active Gain
courtesy of Forum member Purge (David Blair)
Printed Circuit Board Assembly
(click to enlarge)
Components identification
RESISTORS – all 0.25W 10% tolerance
R1 47K yellow violet orange
R2 22k red red orange
R3 1k brown black red
R4 2M2 red red green
R5 2k2 red red red
R6 68k
R7 100k brown black yellow
R8 22k red red orange
R9 100k brown black yellow
R10 10k brown black orange
R11 10k brown black orange
R12 33k orange orange orange
R13 100k brown black yellow
R14 22k red red orange
R15 560k green blue yellow
R16 not on board 10k brown black orange
R17 100k brown black yellow
R18 220k red red yellow
R19 33k orange orange orange
R20 22k red red orange
R21 22k red red orange
R22 560k green blue yellow
R23 100k brown black yellow
CAPACITORS
C1 4n7 mylar
C2 4n7 mylar
C3 4u7 35v tant
C4 47n mylar
C5 6n8 mylar
C6 4u7 35v tant
C7 22n mylar
C8 220p ceramic
C9 47n mylar
C10 33n mylar
C11 4u7 35v tant
SEMICONDUCTORS
IC1 – LA6358 (Obsolete – use LM358)
D1 – small signal diode, probably 1N4148
PARTS MOUNTED ON 4PDT SWITCH
C1 22n mylar R1 1M
Click Here for connection details to the pots and switches
Printed Circuit Board—bottom
Printed Circuit Board—foil pattern | mirrored
