207C
====

R1	100K
R2	5K11 1%
R3	220K
R4	100K 1%
R5	5K11 1%
R6	100K 1%
R7	5K11 1%
R8	220K
R9	5K11 1%
R10	100K 1%

R11	100K
R12	68K
R13	68K
R14	100K
R15	330K
R16	100K
R17	100K
R18	330K
R19	82K
R20	1M0

R21	1M0
R22	150K 1%
R23	150K 1%
R24	100K
R25	100K
R26	100K
R27	121K 1%
R28	100K 1%
R29	100K 1%
R30	100K 1%

R31	100K 1%
R32	121K 1%
R33	100K

VR1	100K
VR2	100K

C1	0.22uF
C2	0.22uF
C3	0.01uF (Two caps to 0v on STS +)
C4	10K?
C5	0.01uF

D1&2	1N914

Q1-6	PN4250

U1	4558D
U2	LM324N



206E
====

R34	1M0
R35	1M0
R36	110K
R37	110K
R38	13K
R39	13K
R40	82K

R41	82K
R42	82K
R43	82K
R44	82K
R45	82K
R46	82K
R47	82K
R48	220R
R49	220R
R50	4K64

R51	4K64
R52	4K64
R53	4K64
R54	680K
R55	33K
R56	1M0 (4M7)
R57	1M0 (4M7)
R58	33K
R59	150K 1%
R60	150K 1%
R61	680K

VR4	100K
VR5	 30K (or 25K)
VR6	100K

C6	0.01uF (not fitted on STS +)
C7	0.01uF (not fitted on STS +)
C8	0.01uF (Two caps to 0v on STS +)
C9	8.2pF/7pF Mica
C10	8.2pF/7pF Mica
C11	0.1uF/0.47uF
C12	0.1uF/0.47uF
C13	0.01uF (not fitted on STS +)

U4	4558P
U5	LF353N
U6	CA3280E

Note there are differences in capacitor values between early and later
versions, and the STS versions add a small (+) next to the name and
have a couple of extra 0.01uF caps.  There may also be minor variations 
in the type of 4250 transistor used.