Lesson 1Electronic control and payout logic: hopper drivers, fuses, coin counters and PCB rolesDetails how slot circuits direct and watch hopper payouts. Explains driver paths, fuses, switches, coin counters, and board logic, including start lines, payout beats, fault spotting, and link to main game processor.
Hopper driver outputs and start signalsFuse safety and overcurrent actionsCoin counter inputs and beat shapingMain logic board payout flowTimeouts, error marks, and hang statesLesson 2Post-repair verification: payout simulation tests, multi-denomination payout runs, audit of meter and event logsDescribes verifying hopper fixes before machine returns. Includes payout trials, multi-type test runs, timing checks, and review of meters and event records to confirm right counting and alerts.
Single-type payout trialsMulti-type mixed payout runsProving coin count vs logged beatsChecking meters, audits, and event recordsRecording test outcomes and approvalLesson 3Inspection and mechanical test plan: clearing jams, checking coin path alignment, wear inspection, bearing and motor checksSets a planned mechanical test for hoppers. Covers safe disassembly, jam clearing, coin path lining checks, wear checks, and assessing bearings, shafts, and motors under load to stop repeat field issues.
Safe hopper removal and bench setupSteps for clearing coin jamsChecking coin path and chute liningInspecting gates, discs, and shakers for wearBearing, shaft, and motor free-turn testsLesson 4Causes of false "Hopper Empty/Jam" indications: wiring, sensor occlusion, stuck actuators, insufficient hopper voltageLooks at reasons for wrong hopper empty or jam warnings. Covers wiring faults, sensor blocks, stuck movers, low hopper power, and spotty connectors, plus aimed tests to confirm and fix each issue.
Spotting wrong empty and jam signsFinding broken or shorted sensor wiringDetecting dirty or blocked sensor lightsSpotting stuck levers and moversLow-power and dim related warningsLesson 5Sensor types for coin detection and hopper level: optical interrupters, IR, micro-switches, weight/floor sensorsCovers sensors that spot coins and hopper levels. Explains optical blockers, IR reflecting sensors, microswitch movers, and weight or floor sensors, including fitting, lining, breakdown modes, and cleaning needs.
Optical blocker theory and liningIR reflecting coin spotting methodsMicroswitch movers and lever tweaksWeight and floor sensor level spottingCleaning and guarding sensor windowsLesson 6Calibration and configuration: hopper pulse counts, coin denomination mapping, coin size adjustments and software parameter updatesExplains tuning and setting hopper work. Includes setting beats per coin, mapping types, tweaking for coin size, and updating software settings while keeping to regulations.
Setting hopper beats per paid coinMapping types to hopper outputsTweaking for coin width and depthUpdating game software payout settingsRecording tuning data for checksLesson 7Electrical diagnostic steps: voltage and current measurements, driver board tests, connector and harness checksGives step-wise electric checks on hopper circuits. Covers voltage and current proofs, driver board testing, connector checks, cable continuity, and using diagrams to trace payout signals.
Safety and cutoff before measuresMeasuring hopper supply voltage and wobbleChecking motor current and stall statesDriver board output and part testsConnector, cable, and continuity checksLesson 8Coin hopper types and internal mechanisms: motor-driven, stepper, disc, star wheel designsExplores main hopper styles and how they shift, sort, and count coins. Covers motor kinds, drive systems, discs and star wheels, coin path shapes, and how mechanical picks affect speed, accuracy, and lasting reliability.
Motor-driven hopper overviewStepper motor handling and step actionsDisc and star wheel coin shift stylesCoin path shape and single-coin featuresWear spots in gates, discs, and shakersLesson 9Causes of wrong payouts: sensor misreads, mechanical wear, coin jams, counterfeit/size variance, software countersAnalyses usual causes of wrong payouts. Discusses sensor wrong reads, mechanical wear, jams, fake or off-size coins, and software counter issues, plus ways to pinpoint if faults are mechanical, electric, or logical.
Signs of overpay and underpay eventsSensor wrong reads and missed coin beatsMechanical wear, drag, and partial jamsEffects of off-size or fake coinsSoftware counter and setup errors
