| No | Part number | Description ( Function ) | Manufacturers | |
| 2 | RX-V620 | Digital Home Theater Receiver NewProduct Information New Product Information R/A/T RX-V620 Digital Home Theater Receiver New Powerful Home Theater Receiver Features the Digital ToP-ART Design Concept, 26 Surround Programs, Versatile Digital Input/Output Capability, On-Screen Display, and User Friendly Features. Incredible Cost/Performance in the Middle Price Range. Black finish avail |
 Yamaha |
|
| 1 | RX-V620 | Digital Home Theater Receiver Manual UCA RX-V620 Natural Sound AV Receiver Ampli-tuner audio-vidéo OWNER’S MANUAL MODE D’EMPLOI DataSheet 4 U .com SAFETY INSTRUCTIONS 8 CAUTION RISK OF ELECTRIC SHOCK DO NOT OPEN CAUTION: TO REDUCE THE RISK OF ELECTRIC SHOCK, DO NOT REMOVE COVER (OR BACK). NO USER-SERVICEABLE PARTS INSIDE. REFER SERVICING TO QUALIFIED SERVICE PERS |
Yamaha |
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List of most widely used semiconductors
| Part Number | Function | Manufacturers | |
| 1N4007 | The 1N4007 is a rectification diode that is designed for high-voltage applications, typically up to 1000V. It has a maximum current rating of 1A and a forward voltage drop of around 0.7V. |
 Vishay |
|
| LM317 | This is a popular adjustable voltage regulator. |
 ON Semiconductor |
|
6N137 | LM393 | 2N3906 | 2N2222 | TIP120 | 1N5818 | LM324N | A1015 | SMAJ20CA |
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