Electro-voice ELX200-18SP · powered sub
173 components · 42 parts identified · 3 photos. Tap a marked part to see what it is.
253 traced nets on this board are available to technicians. See plans
A6 isn't marked on this board.
| Designator | Part (number or value) | Marking | Description | Package |
|---|---|---|---|---|
| C92 | - | ac detect | ||
| C115 | - | vdrive capacitor | ||
| C115 | - | vdrive | ||
| D13 | BAW56LT3G | a1w | common anode | sot23 |
| D16 | BZX384-C15 | zener 15v | ||
| D41 | A7T | |||
| D43, D73, D77, D85, D96 | BAS316 | |||
| D44 | A4T | |||
| D60 | BAS316 | ac select rectifier | ||
| D61 | - | ac det rectifier | ||
| D72 | BAS316 | cs shut down diode, cs bjt pulls down sd pin through this. | ||
| D74 | S6 SD103CW | vdrive rectifier | sod123 | |
| D76 | BAS316 | u5 vdd | ||
| D82 | BAS316 | aux rectifier | ||
| D83 | BZX384-C15 | vaux uvlo zener 15v | ||
| D88 | NO | zener | ||
| D89 | BAS316 | opto pull down | ||
| D92 | BZX384-C15 | zener | ||
| D95 | BAS316 | t110 pull down | ||
| R200, R201 | - | 150 | ||
| R203, R208, R212, R213, R215, R219 | - | 01d | ||
| R204 | - | optotriac LED series resistor 1k | ||
| R209, R216, R257 | - | 47k | ||
| R211 | - | ac det input resistor 01c | ||
| R213 | - | 01c | ||
| R225 | - | low side gate resistor 01x | ||
| R238, R241, R265 | - | 01c | ||
| R242 | 0.05 ohm 2512 | cs resistor r05f | ||
| R256 | - | 120 | ||
| R264 | - | vaux power good resistor 150k | ||
| R269 | - | 01b | ||
| R293 | - | 220k | ||
| R297 | - | 15r0 | ||
| T1 | 3m | |||
| T2 | 3KW TENTATIVE BCV62B | pnp transistors | sot143b | |
| T3 | 4FT | |||
| T4, T6 | 5FT | |||
| T9 | BC817-40 | npn no-ac det switch, turns on when no AC. | ||
| T10 TENTATIVE | BCV61B | 1kw | npn transistors | sot143b |
| T11 | 1BT | npn ac det driver | ||
| T14 | LMBT3906DW1T1G | 6pin | ||
| T17 | A2 | 6pin | ||
| T26 | 1BT | open during AC, closed when no AC, inverse of t103. | ||
| T27 | 1BT | senses voltage across r265 to shut down t95 | ||
| T29 | 1BT | npn t99t103 latch. tentative bypasses aux power good when no AC | ||
| T36 | 1BT | u5 freq control | ||
| T70 | 5CT | |||
| T72, T78 | FDP2572 | |||
| T80 | BT138X-600D | voltage doubler triac | ||
| T81 | 3BT | pnp ac det pre driver | ||
| T82 | 60 | |||
| T83 | 1BT | npn ac detect | ||
| T84, T87 | FDPF18N50T | |||
| T84 | FDPF18N50T | hs | ||
| T85 | 1BT | shutdown driver | ||
| T86 | 6CT | pwm shutdown, shuts down u5. | ||
| T87 | FDPF18N50T | ls | ||
| T89 | 1BT | shutdown pre driver | ||
| T90 | 1BT | current sense | ||
| T91 | 1BT | latch with t93. | ||
| T93 | 3BT | latch with t91. pulls up the shutdown predriver base. pre sd pre driver | ||
| T95 | PZTA44 | npn, trickle power regulator | sot223 | |
| T96 | 1BT | senses voltage across r256to shut down t95 | ||
| T99 | 3BT | pnp. t99t103 latch. | ||
| T100 | BC856B | 3bt | t100t101 latch | |
| T101 | 1BT | t100t101 latch | ||
| T102 | BC817-40 | powers pwm and comparator | ||
| T103 | 1BT | vaux power good, normally closed, open during startup. Forms a latch with t99. | ||
| T109 | 3BT | t109t110 otp latch | ||
| T110 | - | t109t110 otp latch | ||
| U3 | HEF4093BT | |||
| U4 | LM393 | doubler logic comparator: if there is AC AND pin2 < ref doubler turns on. | ||
| U5 | FAN7387M | self oscillated gate driver | ||
| U6 | TL431 | tentative variable rt for u5. | ||
| U8 | TL431 | 2.5v reference voltage for doubler comparator non inverting inputs. | ||
| U9 | TLP3052A | optotriac, drives doubler triac. The LED voltage drop ~1.2v. Triac diode check 882mv/771mv when off/on respectively. | ||
| - | psusw tentative | |||
| - | speaker connector | |||
| - | bridge rectifier | |||
| - | connector | |||
| - | coil | |||
| - | inductor | |||
| - | capacitor | |||
| - | fuse 6.3a 259v | |||
| - | cap on pin6 of lm393 | |||
| - | cap on sd pin3 of pwm | |||
| - | ac inlet | |||
| - | optocoupler turns on latch pnp t100 | |||
| - | dboot | |||
| - | trickle resistor string | |||
| - | 33k | |||
| - | resonant capacitor | |||
| - | aux winding | |||
| - | ac select measurement point | |||
| - | rt | |||
| - | ct | |||
| - | 01e | |||
| - | joined, switchable rt for u5 | |||
| - | electrolytic across u5 vcc | |||
| - | resistor and cap between t109 emitter and base | |||
| - | high side gate resistor 01x | |||
| - | joined | |||
| - | joined, common cathode | |||
| 220uf 35v radial | aux capacitor | |||
| 6.3a 5x20mm axial | fuse 6.3a | |||
| 820uf 200v radial 30x30 | ||||
| 820uf 200v radial 30x30 | cap | |||
| ACT4065A | +-15v buck regulator | |||
| BCP53 | ||||
| BCP56 | ||||
| BYV32E200 | ||||
| DA W8 | ||||
| FDP2572 | amp mosfet | |||
| FDP2572 | high | |||
| FDP2572 | low | |||
| GBU8K | bridge rectifier | |||
| GENERIC SWITCHING POWER TRANSFORMER | ||||
| LM2937IMPX L69B | regulator | |||
| LM393 |
Marked, not identified yet: J6, R210, R252, R267, U1, U2, U3