Das AERO40A · line array
154 components · 41 parts identified · 4 photos. Tap a marked part to see what it is.
146 traced nets on this board are available to technicians. See plans
| Designator | Part (number or value) | Marking | Description | Package |
|---|---|---|---|---|
| C24, C25, C26, C27 | 220uf 200v radial 18x25 | |||
| C28 | 220uf 200v radial 18x25 | positive primary filtering 200v 220uf | ||
| C29 | 220uf 200v radial 18x25 | negative primary filtering | ||
| C51, C52 | 390uf 100v radial | -vcc filtering | ||
| C53 | 390uf 100v radial | +vcc filtering 100v 390uf | ||
| C54 | 390uf 100v radial | +vcc filtering | ||
| CN3 | - | ch1 output | ||
| CN4 | - | psu aux voltage. Connect 18v to this connector and it should draw 20ma+-10% | ||
| CN7 | - | ch2 output | ||
| CN8 | - | optional dgmdspa simm board socket | simm 72P 1.27mm 180° | |
| CN9 | - | control board simm connector. | simm 72P 1.27mm 180° | |
| CN10 | - | fan connector | ||
| CN13 | - | 16 pin connector | ||
| CN15 | - | 10pin connector. Power to slave unit. | ||
| CN16 | - | dsp programming connector | ||
| D13 | STTH2002CFP | +vcc rectifier | to220fp | |
| D18 | BAV99 | q3 gate drive power rectifier | ||
| D19 | BAV99 | a7w | q4 gate drive power rectifier | |
| D20 | BAV99 | q6 gate drive power rectifier | ||
| D21 | BAV99 | q5 gate drive power rectifier | ||
| Q1 | HGTG12N60A4D | low side | to247 | |
| Q2 | HGTG12N60A4D | high side | to247 | |
| Q3, Q5 | IRFP260M | high side | to247 | |
| Q4, Q6 | IRFP260M | low side | to247 | |
| Q7 | BD237 | npn bjt fan driver. base is net.cn9-27 | sot32 | |
| Q8 | BD237 | ecb npn aux reg. collector is net.aux18v | ||
| R10 | - | soft start ntc | ||
| R73 | 4.7 ohm 5w radial cement | cement resistor | ||
| R79 | 4.7 ohm 5w radial cement | |||
| R87 | - | part of u1 rc time constant. 1k | ||
| RV1 | S20K300 | B72220S0301K101. Varistor mov across the rectifier output dc rail 20mm 300vac | ||
| SM1, SM2 | - | zobel coil | ||
| T1, T2 | - | common mode choke | ||
| T3 | - | main transformer | ||
| T10 | EPCOS 882792-C2474-N315 4X470UH 12491- | 4 winding common mode choke. t8 in schematic. Powers amp gate drive circuits. One winding powers the two low sides and each high side has its own winding. The other winding is the primary winding which is fed by net.cn9-56 through u15. | ||
| U1 | IR2156S | power pwm | ||
| U4 | LF412C | dual jfet opamp | ||
| U7 | TC4423 | gate driver | dip8 | |
| U8 | ATMEGA8 | mcu | ||
| U8, U9, U10 | TC4423 | dip8 | ||
| U11 | L4941BDT | control board 5v ldo under coil | to220ab | |
| U12 | 24C16WP | eeprom | ||
| U13B | L7812CV | 12v ldo. IS000040 Silpad | to220 | |
| U14B | NJM7912FA | control board -vcc -12v ldo | to220f | |
| U15 | TC4423 | drives gate drive transformer t10, t8 in schematic and feedback opto u16. | ||
| U16 | CNY17F-239 | feedback optocoupler. Controls r87, ir2156s time constant circuit. | dip6 | |
| Y1 | 12.288025mhz hc49 crystal | crystal | ||
| - | 3300 | |||
| - | 15 ohm | |||
| - | 100k | |||
| - | tentative voltage doubler board | |||
| - | 105k250 | |||
| - | ch2 dsp and external circuit jumper | |||
| - | remove this jumper to enable external circuit | |||
| - | remove this jumper to enable dsp | |||
| - | signal gnd | |||
| - | signal- | |||
| - | signal+ | |||
| - | ac in. Apply 30vdc for testing. | |||
| - | -18v rectifier | |||
| - | +7v rectifier | |||
| - | u8 | |||
| - | red | |||
| - | audio in | |||
| - | 5v led | |||
| - | 12v led | |||
| - | -12v led | |||
| - | ch1 protect led | |||
| - | ch2 protect led | |||
| - | dn2 signal led | |||
| - | ch1 signal led | |||
| - | zobel monitoring | |||
| - | pin27 | |||
| - | pwm out | |||
| 104 C1K | ||||
| 4a 5x20mm | 4a | 5x20mm | ||
| 611 234 | ||||
| 611 234 HCPL-0611 | ||||
| 820uf 25v radial | +18v filtering 25v 820uf | |||
| 820uf 25v radial | +7v filtering | |||
| 820uf 25v radial | -18v filtering | |||
| AVS1AC KH2135 | ssr solid state relay | |||
| BZG 03C 15 | ||||
| DG413DYZ | quad spst analog switch | |||
| E1 Z9 | diode | |||
| ED 1A | +18v rectifier | |||
| GBJ15K | bridge rectifier | gbj | ||
| HEF4069UB | hex inverter | |||
| JTW | ||||
| LF412C | ||||
| LM311M | comparator | |||
| LM311M | ||||
| LM358 | ||||
| MC33078 | ||||
| MKP21 | 104j630 | |||
| MKP21 | ||||
| STTH2002CFP | -vcc rectifier | to220fp | ||
| T1635H-8G | Snubberless Triac | |||
| TL072C | jfet opamp | |||
| US1G | ||||
| US1G B4 |
Marked, not identified yet: C56, C136, CN12, CN14, L1, L2, R43, R44, R69, R70, R75, R76