Casio DH-100
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Casio DH-100
| Preliminary Information | |
|---|---|
| Leak Risk | High |
| Batteries | AA |
| Mounting Technology | Through Hole, SMD |
| Capacitor Types | Aluminum Electrolytic, Tantalum, Ceramic, Polymer |
| Destructive Entry | No |
| Power Requirements | |
| Input Voltage | 7.5V DC |
| Power Connector | 5.5mm Barrel Jack Center Negative |
| Power Pinout | |
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Known Issues
Squealing Sounds
- Logic board capacitors leaking
Solutions
- Recap
Disassembly Notes
There is a biologic hazard of the breath tube, it goes from the mouthpiece to a hole in the bottom.
Original Parts
Logic Board
M263-MAIM GCMK-128X
| RefDes | Qty | Capacitance | Voltage | Mount | Diameter/Size | Height | Type |
|---|---|---|---|---|---|---|---|
| C23, C29, C37, C40 | 4 | 1 µF | 50 V | SMD | 4mm | 6 mm | Aluminum Electrolytic |
| C31 | 1 | 1 µF | 50 V | SMD | 4mm | 6 mm | Bipolar Aluminum Electrolytic |
| C25, C26 | 2 | 10 μF | 16 V | SMD | 4mm | 6 mm | Aluminum Electrolytic |
| C39 | 1 | 33 μF | 6.3 V | SMD | 4mm | 6 mm | Aluminum Electrolytic |
Replacement Parts
Basic PCB Name
| RefDes | Qty | Compatible Part Number | Order Links |
|---|---|---|---|
| Digikey |
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/