Yorkville AUDIOPRO AP3000 · amplifier
81 components · 12 parts identified · 3 photos. Tap a marked part to see what it is.
76 traced nets on this board are available to technicians. See plans
| Designator | Part (number or value) | Description | Package |
|---|---|---|---|
| C18A, C19A | 22uf 50v radial 5x11 | ||
| C52 | - | turn on delay capacitor | |
| D50 | 1N4148 | ||
| MW1 | - | top amp connector | |
| MW2 | - | bottom amp connector | |
| Q11 | BF872 | isothermal pnp | to-202 |
| Q15A | BF872 | to-202 | |
| Q16A | BF871 | to-202 | |
| Q18A | MJE340 | to-126 | |
| Q19A | MJE350 | to-126 | |
| Q30 | BD651 | +18v regulator | to-220 |
| Q31 | BD652 | -18v regulator | to-220 |
| Q38 | 2N5401 | to-92 | |
| R66A | 10 ohm 0.125w | ||
| R66B | 10 ohm 0.125w | 10 ohm | |
| R106 | - | 10 | |
| U1, U2, U3 | MC33078P | ||
| - | tp4 | ||
| - | relay | ||
| - | power board connector | ||
| DS2E-S-DC24V | protect relay |
Marked, not identified yet: C14, C17, C18A, C19A, C20A, D11, D12, D50, D51, LD7, LD8, LD9, LD10, LD11, LD12, LD13, LD14, MS4, Q11, Q36, Q37, Q38, R32, R33, R34, R35, R38A, R40A, R42, R42A, R43A, R54A, R55A, R57A, R128, R129, R130, R132, RV2, RV4, U1, U2, U3, ZD17