Qsc MX1500A · amplifier
147 components · 11 parts identified · 5 photos. Tap a marked part to see what it is.
228 traced nets on this board are available to technicians. See plans
GENERIC JUMPER WIRE isn't marked on this board.
| Designator | Part (number or value) | Description | Package |
|---|---|---|---|
| C504, C604 | - | boot cap | |
| C509 | 15000uf 50v radial | ||
| D614 | - | zener 4.7v | |
| J51 | - | transformer PTCs | |
| J52 | - | speakers | |
| LD501, LD601 | red 5mm led | will stay in protect if led is open | |
| Q501 | - | negative driver | |
| Q502, Q602 | - | positive driver | |
| Q511, Q611 | 2N4410 | dc det | |
| Q512, Q612 | - | pnp relay driver | |
| Q513 | 2N4410 | led driver and relay pre-driver | |
| Q613 | 2N4410 | ebc. led driver and relay pre-driver | |
| R516 | - | 90°C Murata-Erie PTC thermistor RE-000009-VP. 47 | |
| R528, R628 | - | 390k | |
| R616 | B59052D1090A040 | 90°C Murata-Erie PTC thermistor RE-000009-VP. TDK/Epcos B59052D1090A040 is a close substitute. 90c 47ohm | |
| R629 | - | 12k | |
| R633 | - | power and protect light across this. | |
| U501 | - | CHA positive step driver | |
| U502 | - | CHA negative step driver | |
| U601 | - | CHB positive step driver | |
| U602 | - | CHB negative step driver | |
| VR501 | - | chA bias | |
| - | bias | ||
| - | across relay | ||
| - | pos lim | ||
| - | neg lim | ||
| - | connector | ||
| - | CHB relay | ||
| - | CHA relay | ||
| - | non-inverting input | ||
| - | gate power | ||
| - | gate | ||
| 1D | |||
| 2D | |||
| 2SA1302 | |||
| A82 | |||
| KA2 | |||
| R1A | |||
| R2A |
Marked, not identified yet: 2SC3281, BR501, BR502, BR503, BR601, BR602, BR603, C510, C511, C512, C515, C609, C610, C611, C612, C615, D501, D502, D505, D506, D510, D515, D516, D517, D519, D521, D522, D601, D602, D605, D606, D610, D615, D616, D617, D621, D622, J501, J502, L501, L601, LD501, LD601, Q503, Q504, Q601, Q603, Q604, Q612, Q613, R501, R502, R506, R510, R511, R524, R525, R526, R528, R534, R535, R536, R539, R543, R546, R548, R606, R607, R609, R610, R611, R622, R624, R625, R626, R628, R630, R633, R636, R639, U503, U603, VR502, VR503, VR601