HP 7414A Manuals

Manuals and User Guides for HP 7414A. We have 1 HP 7414A manual available for free PDF download: Operating And Service Manual

HP 7414A Operating And Service Manual

HP 7414A Operating And Service Manual (113 pages)

THERMAL-TIP RECORDER  
Brand: HP | Category: Recording Equipment | Size: 10.28 MB
Table of contents
Table Of Contents7................................................................................................................................................................
Section I, General Information10................................................................................................................................................................
Four-channel Recorder10................................................................................................................................................................
Applications And Specifications10................................................................................................................................................................
Model 7414a Recording System11................................................................................................................................................................
Accessories13................................................................................................................................................................
Section Ii, Installation14................................................................................................................................................................
Initial Inspection14................................................................................................................................................................
Mechanical Check14................................................................................................................................................................
Performance Tests14................................................................................................................................................................
Damage Claims14................................................................................................................................................................
Storage14................................................................................................................................................................
Installation14................................................................................................................................................................
Preamplifier Installation14................................................................................................................................................................
Power Connections14................................................................................................................................................................
Signal Connections17................................................................................................................................................................
Tape System Connections17................................................................................................................................................................
Remote Control And Marker Connections17................................................................................................................................................................
Section Iii, Operation19................................................................................................................................................................
Section Iv, Principles Of Operation22................................................................................................................................................................
Stylus Linkage22................................................................................................................................................................
Galvanometer Position Feedback22................................................................................................................................................................
Galvanometer Damping23................................................................................................................................................................
Heat Control Circuit23................................................................................................................................................................
Power Control Circuits23................................................................................................................................................................
Preamplifier Power Supply Circuits24................................................................................................................................................................
Oscillator24................................................................................................................................................................
Recorder Signal Circuits25................................................................................................................................................................
Galvanometer Position Feedback Circuit26................................................................................................................................................................
Chart Drive28................................................................................................................................................................
Chart Motor28................................................................................................................................................................
Speed Control28................................................................................................................................................................
Chart Drive Gears28................................................................................................................................................................
Paper Feed31................................................................................................................................................................
Recorder Power Supply And Regulator Circuits31................................................................................................................................................................
Recorder Dc Power Supplies31................................................................................................................................................................
Paper Feed Path31................................................................................................................................................................
Recorder Power Supply And Regulator Circuits, Simplified Circuit32................................................................................................................................................................
Regulator/oscillator33................................................................................................................................................................
Marker Circuits33................................................................................................................................................................
440 Hz Oscillator34................................................................................................................................................................
2400 Hz Oscillator Circuit34................................................................................................................................................................
Section V, Maintenance35................................................................................................................................................................
Test Equipment And Lubricants35................................................................................................................................................................
Performance Checks35................................................................................................................................................................
Recommended Test Equipment35................................................................................................................................................................
Variable Line Voltage36................................................................................................................................................................
Preventive Maintenance36................................................................................................................................................................
Operational Checks And Inspection36................................................................................................................................................................
Lubricants And Solvents Required36................................................................................................................................................................
Test And Adjustment Points37................................................................................................................................................................
Electrical Performance Checks And Adjustments39................................................................................................................................................................
Cleaning43................................................................................................................................................................
Lubrication43................................................................................................................................................................
Electrical Checks44................................................................................................................................................................
Adjustments And Minor Repairs44................................................................................................................................................................
Paper Drive Adjustments44................................................................................................................................................................
Test Cable, Plug And Fixtures45................................................................................................................................................................
Driver Amplifier And Regulator/oscillator Test46................................................................................................................................................................
Stylus Adjustments46................................................................................................................................................................
Regulator/oscillator Board Test Points47................................................................................................................................................................
Driver Amplifier Board Test Points48................................................................................................................................................................
Paper Brake Felt Cover Removal And Replacement50................................................................................................................................................................
Corrective Maintenance52................................................................................................................................................................
Galvanometer Removal And Replacement53................................................................................................................................................................
Drive Unit Removal And Replacement53................................................................................................................................................................
Channel Time Synchronization Adjustment53................................................................................................................................................................
Paper Table Removal53................................................................................................................................................................
Gearbox Removal53................................................................................................................................................................
Stylus Removal And Replacement54................................................................................................................................................................
Drive Unit Removal55................................................................................................................................................................
Paper Table Disassembly For Drive57................................................................................................................................................................
Gearbox Removal And Overhaul57................................................................................................................................................................
Drive Roller And Table Link Removal (part 1)59................................................................................................................................................................
Drive Roller And Table Link Removal (part 2)60................................................................................................................................................................
Gearbox Inspection And Solenoid Adjustment62................................................................................................................................................................
Gearbox Shaft End Play Adjustment66................................................................................................................................................................
Spring Clutch Lubrication (primary Shaft)67................................................................................................................................................................
Overriding Clutch Lubrication (secondary Shaft)68................................................................................................................................................................
Gearbox Input Chain Tension Adjustment69................................................................................................................................................................
Solenoid Adjustment70................................................................................................................................................................
Marker Assembly Maintenance ยท5-3470................................................................................................................................................................
Marker Assembly Adjustment And Removal70................................................................................................................................................................
Section Vi, Recplaceable Parts71................................................................................................................................................................
Reference Designations71................................................................................................................................................................
Ordering Information72................................................................................................................................................................
Locations72................................................................................................................................................................
Driver Amplifier73................................................................................................................................................................
Replaceable Parts73................................................................................................................................................................
Table77................................................................................................................................................................
Code List Of Manufacturers88................................................................................................................................................................
Control Panel A2 (07754-60240) Subassemblies89................................................................................................................................................................
Control Panel A2 Schematic Diagram92................................................................................................................................................................
Control Switch Board A2a93................................................................................................................................................................
Heat Potentiometer Board A2a293................................................................................................................................................................
Preamplifier Power Supply Board A2a394................................................................................................................................................................
Power Supply A396................................................................................................................................................................
Power Supply A3, Schematic Diagram97................................................................................................................................................................
Schematic Diagram99................................................................................................................................................................
Component Location103................................................................................................................................................................
Regulator/oscillator A8 (60 Hz, 07754-60180)103................................................................................................................................................................
Drive Unit Ai0 (07754-60250) Subassemblies, Parts Location Diagram104................................................................................................................................................................
Parts Location Diagram106................................................................................................................................................................

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