Seeburg LS 1 - Simplified Memory Unit Diagram

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SERVICE I\,IANUAL

Page 14

WRITE.IN

TRIGGER

SWITCH

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MEMORY

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Figure 7. Sioplified

Meaory Unit

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Table of Contents

Table of Contents3
Specifications4
Accessories5
Parts List for Cabioet Cabling7
Coin Switches8
Operation9
General9
Normal Customer Play9
Simplified Credit System Add Circuit9
Latch Solenoid and Credit Lamp Circuit10
Credit System Add Circuit10
Subtract Circuit11
Single Subtract Circuit12
Album Subtract Circuit12
Timing Relay Circuit13
Selection System14
Play Control and Counter Circuits14
Simplified Toroid Circuit14
Write-In Circuit15
Simplified Memory Unit Diagram16
Simplified Write in Circuit17
Readout Circuit18
Sensing and Trip Relay Circuit19
Trip Solenoid Circuit19
Mechanism Motor Power Circuit19
Simplified Trip Solenoid Circuit20
Switch Assembly21
Relay Assembly21
Quarter Pre-Select Kit Model21
Simplified Quarter Pre-Select Control22
Service Manual22
- Addition of Dollar Credit When Using DPK124
- Simplified Dollar Pre-Select Selection Control Circuits25
- Dollar Pre-Select Kit Model DPK126
- Installation of Cam Assembly, Detent Arm and Gear Segment30
- Turntable, Shaft and Gear Installation31
- Installation of Clamp and Transfer Arms32
- Clutch & Housing Assembly Instructions33
- Clutch Lifting Adjustment34
- Sprocket Clearance and Detenting Adjustment35
- Detent Locking Adjustment36
- Clutch Play Position Adjustment37
- Trip Solenoid Position38
- Safety Lever Position39
- Guide Rollers40
- Carriage Guide Roller Adjustments40
- Centering Pin Position41
- Clamp Arm - Pivot Pin Alignment41
- Magazine - Horizontal Position42
- Alignment to Magazine43
- Play Position Clearance44
- Tormat Memory Unit Position45
- Contact Plunger Block46
- Horizontal Position46
- Needle Landing Adjustment47
- Pickup Return Adjustment48
- Pickup Release Adjustment49
- Detent Lever Adjustment50
- Pickup Locking Adjustment51
- Pickup Lifting Adjustments52
- Brush Adjustments53
- Record Cut-Off54
- Pickup Balance Adjustment55
- Needle Pressure Adjustments57
- Selection Playing Indicator58
- Popularity Meter - Dial Adjustment59
- Play Control Subtract Switch60
- Detent Switch - Contact Gap and Pressure Adjustment61
- Switch Brackets62
- Contact Gap & Pressure Adjustments63
- Contact Gap & Blade Pressure Adjustment63
- Rubber Bumpers64
- Contact Gap and Pressure Adjustments65
- Lubrication Chart67
- Spring Tensions71
- ELECTRICAL SELECTOR, Typc TESI613-5571
- Removal of Selector71
- Price Settings71
- Latch Release Lever Spring72
- Latch Bar Spring72
- Letter Switch L - V72
- Number Switch73
- Treadle Bar74
- Start and Hold Switches74
- Pricing Switch75
- Credit Transfer Switch75
- Solid State Stereo Amplifier76
- AVC Circuit77
- Treble, Bass, Volume and Gain Set Controls77
- Predriver, Driver and Power Amplifier Stages77
- Mute Relay77
Solid State Stereo Amplifier, Type T5A677
- Bias Adjustment for Output Transistors78
- Driver Transistor Replacement78
- Adjustments and Maintenance78
- Short Circuit Protection Circuit Adjustment78
- Voltage Amplifier Control Circuit Board79
- Parts Location Detail - Bottom View79
- Trip Relay Contacts82
- Play Control Switch Contacts83
- Trip Relay Detail83
Solid Stete Control Center, Type SCC? R84
- Switching Circuit86
- Oscillating Circuit86
- Frequency86
Sas186
- Power Control Relay87
- Universal Dual Pricing Unit92
- Full Credit Stop Bracket92
- Detent Release Lever93
- Credit Ratchet Wheel Zero Position93
- Hold Magnet93
- Dime, Quarter and Half Dollar Solenoids93
- Cancel Adjustments94
- Pawl Stop Adjustment Detail95
- Guide Plate Adjustment Detail95
- Write-In Trigger Switch Adjustment96
- Album Write-In Switch Adjustment96
- Contact Function Chart97
Universal Dual Pricing Unit, Type UDPU6100
Coin Equipment102
- Dime Blocking103
- Nickel Blocking103
- Recording Income Totalizer104
- Removal or Insertion of Identification Plate106
Recording Income Totalizer106
- Disabling Switch107
- Add Motor Switch107
- Credit Transfer Switches107
- Schematic Diagram108
- Parts List109
- Solid State Paper Unit110
- Step Relay Magnet Position111
- Pawl Guide and Return Spring111
- Step Magnet Tail Springs111
- Contact Plate Switch Blades111
- Transfer Switch Position112
- Lubricaiton112
- Release Dog Springs112
- Reset Magnet Tail Spring112
- Remote Power Supply Kit118
- Cable Connections with no Income Totalizer119
- Cable Connections with Income Totalizer119
- Powered Remote Volume Control122
- Removal of Drive Motor123
- Twin Stereo Recessed Speaker124
- Speaker Wiring125
- Twin Stereophonic Speakers126

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