Yorkville AUDIOPRO AP6040 · amplifier
30 components · 6 parts identified · 3 photos. Tap a marked part to see what it is.
32 traced nets on this board are available to technicians. See plans
| Designator | Part (number or value) | Description | Package |
|---|---|---|---|
| C7 | 4.7uf 63v radial | relay delay | |
| D7 | - | high temp forward biases it. | |
| Q3 | 2N5401 | ||
| Q27A, Q28A | 2N6517 | ebc npn | |
| Q29A | BC550 | cbe npn | |
| Q46A | BC550 | cbe npn. | |
| Q47A | BC560 | cbe pnp. | |
| R24 | - | weak pull down 1M | |
| R113A, R115A | - | 4.7k | |
| R116A, R118A, R160A | - | 220k | |
| R117A | - | 18k | |
| U2 | 13600D | ||
| ZD4A | - | 14v | |
| ZD5A | - | 16v | |
| - | protect relay, controlled by current limiting and temperature. |
Marked, not identified yet: D5A, D5B, D8, D24A, R21, R22, R23, R25, R120A, R121A, ZD2