Studer D741
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Studer D741
| Preliminary Information | |
|---|---|
| Release Year | 1996 |
| Leak Risk | Low |
| Batteries | None |
| Mounting Technology | Through Hole, SMD, Sockets |
| Capacitor Types | Aluminum Electrolytic, Ceramic |
| Destructive Entry | No |
The Studer D741 is a broadcast grade, 2U rack-mountable CD recorder and player.
Disassembly Notes
Tools Needed
- 3/16 Hex Driver
- 2.5mm Hex Key
- Phillips Screwdriver PH1
- Flat head Screwdriver
Disassembly
Top Cover
- Disconnect unit from mains
- Remove 3 screws at the top of the unit, 2 screws on each side, and 3 screws at the upper edge of the rear panel
- Lift the rear of the top cover and slide it to the rear until it comes off
Main logic board
- Disconnect all wire harnesses from board. Take care not to damage the thin gauge wires
- Remove 12 hex screws securing XLR connectors at rear
- Remove 4 standoffs securing D-SUB connectors to chassis
- Remove 1 Phillips screw securing SPDIF connectors to chassis
- Remove 5 hex screws securing the logic board
- Carefully lift the logic board from the chassis
Power Supply
- Disconnect all wire harnesses from board.
- Remove 1 hex screw holding ground bond wire
- Remove 2 flat-head and 2 hex screws securing metal plate to heatsink
- Remove 2 hex screws securing IEC connector to chassis
- Remove 3 hex screws securing board to chassis
- Carefully lift the board from the chassis
Original Parts
Main Logic Board
Note model numbers and board revisions here
| RefDes | Qty | Capacitance | Voltage | Mount | Diameter/Size | Height | Lead Spacing | Temp | Type | Brand | Series |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 2254, 2255, 2430, 2431, 2432, 2433, 2522, 2523, 2524, 2525, 2526, 2527 | 12 | 100 µF | 16V | Through Hole | 10mm | 13mm | 85 °C | Aluminum Electrolytic | Nichicon | MUSE BP | |
| 2243, 2245, 2251, 2253, 2425, 2427, 2428, 2462, 2463, 2464, 2465, 2466, 2467, 2468, 2469, 2480, 2481, 2482, 2483, 2484, 2485, 2486, 2487, 2488, 2489, 2490, 2491 | 27 | 100 µF | 25V | Through Hole | 6mm | 16mm | 85 °C | Aluminum Electrolytic | Nichicon | VX | |
| 2017, 2018, 2025, 2028, 2031, 2034, 2036, 2038, 2101, 2102, 2104, 2111, 2126, 2150, 2200, 2210, 2214, 2218, 2233, 2236, 2302, 2308, 2312, 2315, 2395, 2396, 2397, 2398, 2472, 2473 | 30 | 47 µF | 25V | Through Hole | 5mm | 12mm | 85 °C | Aluminum Electrolytic | Nichicon | VX | |
| 2016, 2022, 2216, 2220, 2231, 2235, 2343 | 7 | 10 µF | 50V | Through Hole | 5mm | 12mm | 85 °C | Aluminum Electrolytic | Nichicon | VX |
Power Supply
| RefDes | Qty | Capacitance | Voltage | Mount | Diameter/Size | Height | Lead Spacing | Temp | Type | Brand | Series |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 2529, 2530 | 2 | 1000 µF | 16V | Through Hole | 10mm | 20mm | 85 °C | Aluminum Electrolytic | Panasonic | SU | |
| 2515, 2524 | 2 | 1000 µF | 25V | Through Hole | 12mm | 25mm | 105 °C | Aluminum Electrolytic | Nichicon | PF | |
| 2502, 2517, 2526, 2534 | 4 | 47 µF | 35V | Through Hole | 6mm | 10mm | 85 °C | Aluminum Electrolytic | Nichicon | VX | |
| 2535 | 1 | 3.3 nF | 400V | Through Hole | Ceramic | ||||||
| 2503, 2504, 2505 | 3 | 2200 µF | 50V | Through Hole | 18mm | 35mm | 85 °C | Aluminum Electrolytic | Nichicon | VX | |
| 2533 | 1 | 470 µF | 50V | Through Hole | 12mm | 20mm | 85 °C | Aluminum Electrolytic | Panasonic | SU |
Replacement Parts
Main Logic Board
| RefDes | Qty | Compatible Part Number | Order Links |
|---|---|---|---|
| 2254, 2255, 2430, 2431, 2432, 2433, 2522, 2523, 2524, 2525, 2526, 2527 | 12 | RSRBD101M1EE11300T / RSR0B101M1GF12300T / UEP1H101MPD1AA | Digikey Mouser LCSC |
| 2243, 2245, 2251, 2253, 2425, 2427, 2428, 2462, 2463, 2464, 2465, 2466, 2467, 2468, 2469, 2480, 2481, 2482, 2483, 2484, 2485, 2486, 2487, 2488, 2489, 2490, 2491 | 27 | 860020473008 / 25YXJ100MFFCT15X11 | DigiKey Mouser LCSC |
| 2017, 2018, 2025, 2028, 2031, 2034, 2036, 2038, 2101, 2102, 2104, 2111, 2126, 2150, 2200, 2210, 2214, 2218, 2233, 2236, 2302, 2308, 2312, 2315, 2395, 2396, 2397, 2398, 2472, 2473 | 30 | 860020472006 / 25PX47MEFC5X11 | DigiKey Mouser LCSC |
| 2016, 2022, 2216, 2220, 2231, 2235, 2343 | 7 | 860020672010 / 50YXG10MEFCTA5X11 | DigiKey Mouser LCSC |
Power Supply
| RefDes | Qty | Compatible Part Number | Order Links |
|---|---|---|---|
| 2529, 2530 | 2 | 860020375017 / 16ZLH1000MEFC8X20 | Digikey Mouser LCSC |
| 2515, 2524 | 2 | 25YXJ1000M10X20 | DigiKey Mouser LCSC |
| 2502, 2517, 2526, 2534 | 4 | 860020572006 / 35PX47MEFC5X11 | DigiKey Mouser LCSC |
| 2535 | 1 | S332M33Z5UN6UJ5R / DCH332Z26Y5VN6BL5A0 | DigiKey Mouser LCSC |
| 2503, 2504, 2505 | 3 | UHE1H222MHD6 | DigiKey Mouser |
| 2533 | 1 | ESK477M050AH4KA / 50PX470MEFC10X20 | DigiKey Mouser LCSC |
If parts are not available or different selection is preferred, you can use the values in the Original Parts section to perform a parametric search.
Kits
- Digikey BOM: https://www.digikey.com/
Additional Images
-
Top cover removed -
Main logic board -
Backside of main logic board -
Power Supply -
Rear I/O
