Lesson 1Electronic control and payout logic: hopper drivers, fuses, coin counters and PCB rolesExplains how slot circuits direct and watch hopper payouts. Covers driver setups, fuses, switches, coin tallies, and board reasoning, including activation lines, payout signals, fault spotting, and main game processor links.
Hopper driver outputs and activation signalsFuse safeguarding and excess current actionsCoin tally inputs and signal formingMain board payout handling flowDelays, fault markers, and stuck statesLesson 2Post-repair verification: payout simulation tests, multi-denomination payout runs, audit of meter and event logsOutlines verifying hopper fixes before machine return. Encompasses payout imitations, varied note trial runs, timing verifications, and meter/event log reviews for accurate counting and alerts.
Single-note payout imitationsVaried note combined payout runsConfirming coin tally against logged signalsReviewing meters, audits, and event logsLogging trial outcomes and approvalsLesson 3Inspection and mechanical test plan: clearing jams, checking coin path alignment, wear inspection, bearing and motor checksSets a structured mechanical trial plan for hoppers. Includes safe disassembly, block clearing, coin route alignment checks, wear reviews, and assessing bearings, shafts, motors under load to avoid field repeats.
Safe hopper removal and bench arrangementSteps for clearing coin blocksInspecting coin route and chute alignmentChecking gates, discs, stirrers for wearBearing, shaft, motor spin trialsLesson 4Causes of false "Hopper Empty/Jam" indications: wiring, sensor occlusion, stuck actuators, insufficient hopper voltageLooks at reasons for false hopper empty or block warnings. Covers wiring issues, sensor blocks, jammed movers, low voltage, loose connectors, and focused trials to verify and fix each mode.
Spotting false empty and block signsLocating broken or shorted sensor wiresFinding dirty or blocked sensor lightsIdentifying jammed arms and moversLow-voltage and dim-out warningsLesson 5Sensor types for coin detection and hopper level: optical interrupters, IR, micro-switches, weight/floor sensorsCovers detectors for coins and hopper fill. Explains light breakers, IR bounce sensors, tiny switch movers, and weight/base sensors, including fitting, positioning, breakdown modes, and cleaning needs.
Light breaker theory and positioningIR bounce coin spotting methodsTiny switch movers and arm tweaksWeight and base sensor fill spottingCleaning and guarding sensor glassesLesson 6Calibration and configuration: hopper pulse counts, coin denomination mapping, coin size adjustments and software parameter updatesDetails tuning and setting hopper work. Includes pulse tallies per coin, note matching, size tweaks, and software updates while keeping regulatory compliance.
Setting hopper pulses per paid coinMatching notes to hopper outputsTweaking for coin width and depthUpdating game software payout settingsLogging tuning data for reviewsLesson 7Electrical diagnostic steps: voltage and current measurements, driver board tests, connector and harness checksGives step-wise electrical fault-finding for hopper circuits. Covers voltage/current checks, driver board trials, connector reviews, cable continuity, and using diagrams to trace payout signals.
Safety and isolation before measuresMeasuring hopper supply voltage and wavesChecking motor current and stall statesDriver board output and part trialsConnector, cable, and continuity checksLesson 8Coin hopper types and internal mechanisms: motor-driven, stepper, disc, star wheel designsExamines main hopper styles and coin movement, separation, counting. Covers motor kinds, drive systems, discs/star wheels, coin route shapes, and mechanical impacts on speed, precision, durability.
Motor-driven hopper structure summaryStepper motor handling and step actionsDisc and star wheel coin movement stylesCoin route shape and single-coin featuresWear spots in gates, discs, stirrersLesson 9Causes of wrong payouts: sensor misreads, mechanical wear, coin jams, counterfeit/size variance, software countersAnalyses usual incorrect payout reasons. Discusses sensor errors, wear, blocks, fake/off-size coins, software tally issues, plus ways to pinpoint if faults are mechanical, electrical, or logical.
Signs of overpay and underpay incidentsSensor errors and missed coin signalsMechanical wear, drag, partial blocksImpacts of off-size or fake coinsSoftware tally and setup errors
