Hammond Organ Service Manual - Early Models (A,B ... - Audiofanzine
Hammond Organ Service Manual - Early Models (A,B ... - Audiofanzine
Hammond Organ Service Manual - Early Models (A,B ... - Audiofanzine
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lOTH HARMONIC<br />
I<br />
iTt<br />
UJ<br />
1ST<br />
10 OHMS I<br />
(for pedal ^m^MG SEE FfGuRE ll^OLUMNS i,4.5,6,7.ft,9)<br />
UJ<br />
SOHtbriS<br />
a:<br />
<<br />
TO<br />
TO<br />
TOP CONTACT SPRINGS<br />
6TH HARMONIC<br />
£ND HARMONIC<br />
FUNDAMENTAL<br />
3<br />
12THHARMONJC<br />
8TH HARMONIC<br />
4TH HARMONIC<br />
3RD HARMONJC<br />
BOTTOM BUSBAR<br />
ARRANGEMENT OF PEDAL CONTACTS<br />
ALL OTHER CONSOLES WITH 25 PEDALS<br />
Figure T<br />
2ND P£DAL DRAW&AR<br />
PEDAL DRAWSAff<br />
i<br />
o<br />
Ia.<br />
<<br />
n<br />
FILTER<br />
19 Z<br />
><br />
Z<br />
wmES TO PEDAL 5WITCH<br />
FIGURES PEDAL CIRCUITS<br />
MODEL A CONSOLES SERIAL NO. I 2499<br />
MODEL B AND SC CONSOLES SERIAL NO. 4000 TO 507S<br />
OS 2013<br />
JNO PEDAL ORAW&A<br />
I5T PEDAL DRAWBAR<br />
2<br />
^<br />
^^i<br />
I—|—AV^V^-'<br />
aooHMs<br />
RESISTOR PANEL<br />
4<br />
z<br />
o<br />
u<br />
2<br />
O<br />
a<br />
O<br />
_l<br />
5<br />
X<br />
2<br />
<<br />
o<br />
a<br />
z<br />
OS 2014<br />
V<br />
-WIRES TO PEDAL SWITCH<br />
FIGURE 9 PEDAL CIRCUITS<br />
MODEL A CONSOLES SERIAL NO. 2500 TO 26T6<br />
MOD£L B AND BC CONSOLES SERIAL NO. 5076 TO I0S49<br />
MODEL BA(PLAVEft)C0N50LES-ALL<br />
MODEL C CONSOLES SERIAL NO. liOO TO \247<br />
MODEL D CONSOLES SERIAL NO. I 3143<br />
(FOR PEDAL WIRING SEE FIGURE li, COLUMNS i,4,5.e.&.9.10j0 2-21
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