Protection Circuit
AssemblyA relay-based circuit that delays output connection at power-on and disconnects the headphones if DC appears. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.
Bill of materials for Protection Circuit
4 top-level lines as of r80560| # | Item / sub-assembly | Part no. | Qty/assy | Ext. qty | Parts | Type |
|---|---|---|---|---|---|---|
| 1 | Relay | relay | 1× | 1 | · | part |
| 2 | DC Detector | headphone-amplifier-dc-detector | 1× | 1 | · | part |
| 3 | Delay Timer | headphone-amplifier-delay-timer | 1× | 1 | · | part |
| 4 | SMD Passive (R/C/L) | smd-passives | 1× | 1 | · | part |