Skema jalur kabel sistem pengapian Astrea grand || Kelistrikan Sepeda Motor 9

Cak Met Tutorial

24 Jan 202112:07

Summary

TLDRThis tutorial video from the 'cermat tutorial' channel focuses on the ignition system of the Honda Astrea Grand motorcycle. It explains the workings of the CDI-AC ignition system, detailing components like the rotor, stator, and their functions in generating magnetic fields and electricity. The video also covers the role of the ignition coil, capacitor, and SCR in producing the high voltage needed for spark plug ignition. Aimed at beginners interested in motorcycle electronics, it provides a comprehensive guide to understanding and troubleshooting the Astrea Grand's electrical system.

Takeaways

😀 The tutorial is focused on explaining the ignition system of the Honda Astrea Grand motorcycle.
🛠️ The script discusses two types of ignition systems: CDI-AC (Capacitor Discharge Ignition) and DC (Direct Current).
🧲 The tutorial highlights the components of the CDI-AC system, including the rotor, stator, and alternator.
🔌 It explains the function of each part, such as the rotor generating a magnetic field and the stator producing alternating current.
🔍 The script describes the role of the pick-up as a sensor that detects the position of the piston within the engine.
🔧 The tutorial covers the function of the CDI unit, which uses the signal from the pick-up to determine the timing for the spark plug to fire.
💡 The ignition coil is explained as a component that transforms low voltage from the battery into high voltage needed to create a spark.
🔥 The script mentions the importance of the spark plug, which ignites the fuel-air mixture in the engine's combustion chamber.
🔌 The tutorial also touches on the wiring diagram and the flow of electrical current through the ignition system.
🛠️ The script concludes by encouraging viewers to check each component if there are issues with the motorcycle's electrical system.

Q & A

What is the main topic of the tutorial discussed in the script?
-The main topic of the tutorial is the ignition system of the Honda Astrea Grand motorcycle, specifically focusing on the CDI-AC (Capacitor Discharge Ignition) system.
What are the two types of ignition systems mentioned for motorcycles?
-The two types of ignition systems mentioned are CDI-AC (Capacitor Discharge Ignition with Alternating Current) and DC (Direct Current) systems.
What is the function of the rotor in the ignition system?
-The rotor contains magnets and is a rotating part that, along with the stator, generates a magnetic field in the motorcycle's engine. It also acts as a gear wheel and has a protrusion called a pick-up that serves as a sensor to provide the position of the piston.
What is the role of the stator in the motorcycle's ignition system?
-The stator is a stationary copper winding that generates an alternating current (AC) when the rotor rotates within it. It is part of the alternator used for charging the battery and supplying power to the electrical system.
What is the purpose of the pick-up in the ignition system?
-The pick-up is a sensor that detects the position of the piston and sends a signal to the CDI unit, which is then used to determine the timing of the spark ignition.
What is the function of the diffuser in the CDI ignition system?
-The diffuser has two terminals and is part of the electronic ignition system that works by utilizing charging and discharging of a capacitor, which is controlled by an electronic switch like the contact breaker.
What is the role of the capacitor in the CDI ignition system?
-The capacitor stores electrical charge and releases it quickly when triggered by the SCR (Silicon Controlled Rectifier), which in turn causes the ignition coil to produce a high voltage spark for the spark plug.
What is the purpose of the ignition coil in the ignition system?
-The ignition coil is responsible for transforming the low voltage from the battery into a high voltage required to create a spark at the spark plug, which ignites the fuel-air mixture in the engine's combustion chamber.
How does the SCR (Silicon Controlled Rectifier) contribute to the ignition process?
-The SCR acts as a switch that, when triggered by a signal from the pick-up, allows the capacitor to discharge quickly, leading to the production of a high voltage spark in the ignition coil.
What happens when the key switch is turned to the 'off' position in the ignition system?
-When the key switch is turned to the 'off' position, the electrical current from the alternator is directed to the battery, and the CDI unit does not receive power, thus stopping the flow of electricity to the ignition system.
What is the significance of the tutorial for those interested in motorcycle electronics?
-The tutorial is significant for individuals interested in motorcycle electronics as it provides a detailed understanding of the workings of the ignition system in the Honda Astrea Grand, which can help in troubleshooting and maintenance.

Outlines

00:00

🛵 Introduction to CDI-AC Ignition System on Honda Astrea Grand

The first paragraph introduces the tutorial on the CDI-AC ignition system for the Honda Astrea Grand motorcycle. The speaker greets the audience and encourages them to like, subscribe, and share the video for more content on motorcycle electrical schematics. It acknowledges the age of the Honda Astrea Grand and its continued popularity despite being considered old. The tutorial aims to refresh the memory of beginners on the wiring diagram for the motorcycle's ignition system. The paragraph explains the two types of ignition systems: CDI-AC and DC-DC, with a focus on the CDI-AC system used in the Astrea Grand. It introduces key components such as the rotor, stator, pick-up, and rectifier, and their functions within the ignition system.

05:01

🔌 Detailed Explanation of CDI-AC Ignition System Components

The second paragraph delves deeper into the components of the CDI-AC ignition system. It describes the functions of the stator, rotor, and alternator, which work together to produce alternating current (AC) for the motorcycle's electrical system. The paragraph also discusses the role of the rectifier, which converts AC to direct current (DC), and the CDI unit, which controls the timing of the spark plug ignition. Additionally, it explains the purpose of the capacitor and SCR (Silicon Controlled Rectifier) in the system, detailing how they contribute to the ignition process. The tutorial provides a comprehensive look at the electrical flow and the interaction between the components, including the ignition coil and spark plug.

10:02

🔍 Troubleshooting and Understanding the Ignition System's Electrical Flow

The third paragraph focuses on troubleshooting the ignition system and understanding the electrical flow within the Honda Astrea Grand. It outlines the process of how the system operates when the key is turned on and the starter button is pressed, leading to the rotation of the starter motor and the generation of AC current. The paragraph explains how the current is transformed into DC by the rectifier and stored in the capacitor, which is then used to trigger the SCR for spark generation. It also discusses what happens when the key is turned off, affecting the flow of electricity and the functioning of the CDI unit. The tutorial concludes with a reminder to check for faulty components if there are issues with the electrical flow, providing a guide for those interested in understanding or repairing the motorcycle's electrical system.

Mindmap

Keywords

💡CDI-AC

CDI-AC stands for Capacitor Discharge Ignition Alternating Current. It is a type of ignition system used in motorcycles, including the Honda Astrea Grand discussed in the video. This system uses an alternating current generated by the alternator and a capacitor to discharge a high voltage to the spark plug, which ignites the fuel-air mixture in the engine. In the script, the tutorial focuses on explaining the CDI-AC system's wiring and components, which is central to understanding the motorcycle's electrical system.

💡Rotor

A rotor in the context of the video refers to a part of the motorcycle's ignition system that contains magnets. It is a rotating component that, along with the stator, generates the magnetic field necessary for the ignition process. The rotor's interaction with the stator creates the alternating current that is crucial for the CDI-AC system. The script mentions that the rotor has a pick-up that acts as a sensor, indicating the position of the piston within the engine's four-stroke cycle.

💡Stator

The stator is a stationary part of the motorcycle's ignition system, made up of a coil of wire that, when the rotor turns within it, generates an alternating current. It is a key component in the alternator, which is responsible for producing the electrical energy needed for the motorcycle's electrical systems. The stator's function is to produce the AC that is then converted and used in the CDI-AC ignition system, as explained in the tutorial.

💡Pick-up

The pick-up is a sensor in the motorcycle's ignition system that detects the position of the piston within the engine. It is mentioned in the script as a component that sends signals to the CDI unit about the piston's position, which is essential for timing the spark. The pick-up's signal is based on the magnetic field created by the rotor, and it plays a critical role in ensuring the engine operates correctly.

💡Regulator Rectifier

The regulator rectifier is a component that regulates and converts the alternating current (AC) from the stator into a direct current (DC) for the motorcycle's electrical system. It is connected to the stator via a white wire, as mentioned in the script. The regulator rectifier ensures that the voltage supplied to the electrical components, including the CDI unit, is stable and within the required range.

💡Ignition Coil

The ignition coil is a crucial component in the ignition system that transforms the low voltage from the battery into a high voltage needed to create a spark in the spark plug. The script discusses how the CDI unit sends a signal to the ignition coil, which then discharges the energy stored in its capacitor to produce the high voltage required for ignition. This process is essential for the engine to ignite the fuel-air mixture.

💡Spark Plug

A spark plug is an electrical device that fits into the engine and is responsible for igniting the compressed fuel-air mixture by creating a spark. The high voltage from the ignition coil is sent to the spark plug, which is mentioned in the script as the final destination for the electrical current in the ignition process. The spark plug's function is to initiate combustion in each cylinder of the engine.

💡SCR (Silicon Controlled Rectifier)

The Silicon Controlled Rectifier (SCR) is a semiconductor device used in the ignition system to control the timing and amount of current that flows to the ignition coil. In the script, the SCR is described as being triggered by a signal from the pick-up, which then allows the current to flow and the ignition coil to discharge, creating the spark. The SCR plays a pivotal role in ensuring the correct timing of the spark for efficient engine operation.

💡Mesa Boogie

Mesa Boogie, as mentioned in the script, is likely a mistranslation or misinterpretation of 'mesin bocor', which translates to 'leakage machine' or 'leakage engine' in English. This term could refer to a component or mechanism in the motorcycle's electrical system that deals with electrical leakage or a fault in the system. The script does not provide further details, but it is mentioned in the context of the wiring diagram for the motorcycle's electrical system.

💡Wiring Diagram

A wiring diagram is a visual representation of the electrical system's layout in a motorcycle, showing the connections between various components. The script discusses the importance of understanding the wiring diagram for the Honda Astrea Grand, particularly for the CDI-AC ignition system. The diagram helps in troubleshooting and understanding the flow of electrical current through the system, which is essential for maintenance and repair.

Highlights

Introduction to the tutorial on the ignition system of the Honda Astrea Grand motorcycle.

Explanation of the CDI-AC ignition system used in the Honda Astrea Grand.

Description of the rotor's function in the motorcycle's ignition system.

Details on the stator's role in generating alternating current (AC) for the motorcycle.

Function of the pick-up sensor in detecting the piston's position in the engine.

Explanation of the alternator's role in supplying electricity to the motorcycle's electrical system.

Description of the regulator rectifier's function in managing the electrical charge.

Role of the diffuser in the ignition system and its connection to the CDI unit.

Explanation of the capacitor's function in the electronic ignition system.

Description of the ignition timing control's role in the system.

Function of the SCR (Silicon Control Rectifier) in managing the electrical current.

Description of the spark plug's role in igniting the fuel-air mixture in the engine.

Explanation of the high and low heat value spark plugs and their thermal characteristics.

Detailed walkthrough of the electrical current flow in the ignition system.

Description of how the system behaves when the ignition switch is turned on.

Explanation of the process when the starter button is pressed and the rotor starts to spin.

Details on how the CDI unit receives the electrical signal and converts it into a DC current.

Description of the SCR's activation process and its role in releasing the capacitor's charge.

Explanation of the high voltage induction process in the secondary coil.

Description of the spark plug's function in creating a spark to ignite the fuel mixture.

Final thoughts on troubleshooting the ignition system by checking for interrupted electrical flow.