Hammond s100 service manual

Page 1

CONTENTS

Figure l -FrontView. . . . . . . .
General Description- . . . . . . . .
Installation and Maintenance. . . . .
Musicallerms ...........
Notes and Octaves. . . . . . . .
Tone Qualities . . . . . .

Figure 2- -Arra.ngement of Keys in an Octave .
MelodyandAccompaniment . . . . . . . . . .
Attack, Decay, Percussion, and Sustain ....... . . .

Vibrato.............
How the Chord Organ is Played. . .
TurningOnandOif. . . . . . .
Musical Divisions. . . . . . . .

o

.

con...-

0......

Expression Pedal, Balancere and Reverberation
FigureB-ChordButtons. . . . . . . . . . . .
ControlTablets.................
HowtheChordOrganWorks. . . . . . . . . . . . .
Figure4 - Simplified Block Diagram . . . . .

Description of Electrical Circuits .
Keyboard............
Vibrato.............
Solo Oscillator . . . . . . . . .
Solo Frequency Dividers . . . .

Solo Register Controls and "$010 Woodwinds" .

Solo Tone Controls . . . . . . .
Solo Control Tubes . . . . . . .
"Percussion" . . . . . . . . . .
"Organ" Oscillators . . . . . .
"Organ"Controla. . . . . . . .
Chord Oscillators. . . . . . . .
ChordButtons .. . . . .. . .

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Figure - 5 Complete Block Diagram. . . . . .

"Mute".............

Chord Bar and "Sustain Cancel" .

BassPedals...........
Pedal Frequency Dividers . . .
Figure 8 - Chord Button Chart .
Pedal Control Tube. . . . . . .
"Volume Soft". . . . . . . . . .

Swell or Expression Control Unit

Reverberafion. . . . . . . . . .
Power Output Stage. . . . . . .
PowerSupply. . . . . . . . . .

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Control .

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Page

DescriptionoiComponents.......................- 19
GeneratorAuaembly......................... 19
OrganOscillatorAasembly...................... 19
KeyboardChassis........................... 19
Keyboud............................... 19

Chord-Switch............................. l9
Flgur'eT-BackView............ ........... 20
Figures- Generator. Tuner.andCoutrolExposed ..... . . 21
Figure?- -Keyboard. Chord Switch. andBalancen Exposed . . . . . . Zl
FigurelO-Generator .................-........ 22
Figurell-Orga.n03cillatorAssemb1y................. 23
Figure lZ-huide ofOrgan Oscillator Assembly . . . . . . . . . . . . 2.4
Figurel3-Underaideofxeyboard.................... 25

ControlAaaembly............................. 25
TunerAuembly.............................. 25
ExpressionPedalAuembly........................ 25
PedalampedalSwitch.......................... 25
PowerPack.......-........................ 25
Figurel4-Chord8witch......................... 26
FigurelS-PedalSwitch......................... 27

Figurg16-PowerPack.......................... 27
SpecialEquipn-Lent....... ................. 28
RecordPlayer.Radio.Microphone................. 28
Earphones.............................. 28
'Serv-LceOperations............. ............... 28
1.TubeeandOthorEIecu-icalComponenta............ ..28,Z9
2.3usbar5hifters......................... Z9
3.ContactaonControlTablets.................. .. 29
4.Tuning1nltructions....................... .. Z9
4A.Adjnstmento£$olo'ru.ning...................... 30
5. TuningoflndividualOrganamiChordNote- .......30, 31, 32. 33

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6.Tuningo£1ndividualSoloNotes.................... 33
SpecificServiceSuggeationa ....................... 34
7.Entire1nstrummt?ailatoplay... . . ..... . ........ 35
8.VibratoEflectCompletelyMiuing. . . . . . . . . . . . . . . . . . 35

9.deiofrequency03cillation..................... 35
Specific Service Suggestions for SoloDlvision. . . . . . . . . . . . . . 35
10.AJlSoloNoteaFailorAreWeak................. . 35
11. SalaandOrnglvuions Fail or Are Weak. . . . . . . . . . . . . 35
12.0neKeyWillNotPlayaSoloNote.................. 35
13.0neKeyPlaysLowest"F"SoloNot-o .............. . 35
14. One 5010 Timbre Control Will Not TurnOif. . . . . . . . 35
15. All 5010 Notes Fail for One Position of "5010 Woodwinds" . . . . . 35
16.5010Key'1'humpsorcucks ..................... 35
l7.0neSoloRegisterControlDoeaNotPlay.............. 36