Hammond X-5 - Page 80

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FIGURE

3-7-3-8

(ADD-2)

MG-14A (228-19231)

BLOCK

DIAGRAM OF

M.D.D. GENERATOR

BOARD

AND THEORY

3-8A-3-9A (ADD-2)

Main Page

Table of Contents3
General Performance Description5
How the Organ Operates5
Cabinetry5
Tone Source5
Manual5
Tone Bars5
Percussion5
Repeat5
Vibrato6
Volume6
Brilliance6
Expression Pedal6
Reverberation6
Remote Tone Cabinet6
Amplifier6
Disassembly7
General7
Top Panel7
End Blocks- Lower Manual7
Lower Manual Assembly7
Tone Bar Assembly7
Rocker Tab (Removal)7
- To Replace Upper or Lower Manual Keys8
- Expression Pedal Assembly8
- To Remove Lower Section Cover8
Printed Wiring Boards8
- Test and Adjustment Procedures10
- Board12
  - Assembly13
  - Test of Mechanism Operation13
  - Figure14
  - Capacitors22
  - RC List22
  - Resistors22
  - Frequency Divider and Filter25
  - Power Supply Board26
  - 30 Watt Power Amplifier Module28
  - Gate & Percussion Amp. Board30
  - Preamp & Reverb Amplifier Board32
  - Pedal Board35
- Mixtone Board37
  - LC Oscillator with Vibrato38
  - Mod Generator38
  - MDD Generator39
  - MDD Buffer Board41
  - Parts List42
  - Front View43
  - Top Section of Organ Bottom View44
  - Top Section Organ Front View44
- Leg Assembly45
- Top Section of Rgan Back View45
- Lower Section of Organ Inside View46
  - Ture Form of Organ Inside View of Top up47
  - Inside View of Upper Manual Assembly up48
- Power Switch View48
- Lower Right Hand End Block Assembly49
- (Lower Left)50
- (Lower Right)50
- Power Supply Unit Bottom View51
- Power Supply Unit Top View51
  - Lower Manual53
  - Upper Manual53
- Divider Generator54
- Gate & Percussion Amp54
- MDD Buffer Bd54
- Pedal Board54
- Power Supply Board Ps-5B55
- Bass Generator Board56
- Manual Assembly53
- Natural Key Assembly53
- Introduction56
- Generation of Bass Tones56
- X5 Bass Range61
- X5 Bass Generator Board62
- 8-Bit Encoder71
- Truth Table71
- 8-Channel Data Selector72
- X-5 Priority Select Inputs73
Power Supply (Lower Section)77
- Power Supply Unit a77
- Divider Generator Board DV-4(C)91
Thru105
- Parts List105
- Power Supply Board106
- Power Amp Module110

Hammond X-5 - Page 80

Table of Contents

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