Siel Mono Schematics 2

Page 1

ADJUSTMENT

pINITIAL POSITION

:01»
MW! !_ awn-m ; NOISE I 2 a.

. . . ..
~~IM'D 7 CO pl -an. } p VCF .-3 3 .v v M u- r.:. r._'-x L... A.- .-.-r.
Nth-l B can urlr- J 0' 1 l DSR . M > ion w' 3 5A- a..." .un. sass tuna
,'Iw~. Il~l
O O O O O O O O O O
- 11 ,~\ -\/\~-

ac- x- m as. Inna: we! m: num- sum mm: mm- at: on :0- m- ; I6 is o I? I I-4

Q25. - (J - _I '0._.._ . N" C - _. -... V0»

' SELECT

TUNING

" Svt thv MONO PITCH (left Side) in the middle and tune fhu monophonic «uvfion
lay trIflHUCI It 4.

K.T.F.

- ll'vss the highest C.

- Read by a DMM {Digital Multi Meter} across RF 7] IQKTI and adjust trimmer PC I
For a 3,35 D.C. Voltage \alue.

L.F.0.

- Set DMM in V RMS position and connect it between the output of IC CID 'pin 6 CA
3050} and ground.

- Insert L.F.0. ON and adjust trimmer PC 3 For a \aluv (HQQSV. (3A\/pp)

~ Mow [IMM in V = position.

- Take off L.F.O and read the \alue.

- Insert L.F.0. 0N and adjust trimmer PC 2 so that the \alue i$ the same as read
be Tore .

- Take offL.F.O.

V.C.A.

- Insert DMM between the collector of BC 416 III 5T and gvuund.

- Shortcircuit Of 5 diode.

- Adjust trimmer II (I for a I D.C. Voltage \aluo.

OFFSET V. C .A.

- Set on PICLL LO, CUT OFF upwards.

- Adjugt trimmer' Pf 1 in Such a way that the uttark sound is vlickless'

V.C.F.

- Set on FIUTE, RESONANCE upwards, CUT OFF downwards.

- ALLflJHt tm'immcr' PI 1. so tInat th(5 V.C.l:. usci llat hig 1W0q1u41c§ is t|u* the Fundamvntul or the preqsed key.

BAND PASS

- Set un BAND PASS filter, RESONANCE downwards, CUT Oil uphdrds.

- Atjjlrfit trinun(w- III~ 3 H() tzhtxt lev Fluidamtwlt

HILHI PASS

- Svr on HIGH PASS Iilfor and adjust trimmvr pr 4 in rhu samv wn} as RAND PASS.

IIELAY Llifi:

- 3v? I.I'IIIIITI<'1' PI L. Ill tlw middlv.

RESERVES THE RIGHT TO CHANGE SPECIFICATIONS: DESIGNS,
DISCONTINUE MODELS WITHOUT NOTICE AND LIABILITY.

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