hp pavilion dv3 discrete_ls-473ap touchpad on_off board schematic
compal ls-473ap touchpad on_off board.pdf
Technical Specifications
Technical Summary
This Compal Electronics LS-473AP TP on/off board, documented under board number LS-4487P revision 0.2 dated September 12, 2008, is a sub-board designed for touchpad on/off control. The board integrates a touchpad enable/disable circuit using a D1 HT-297UY5/BP5 yellow-white LED for status indication, a SW1 TJG-533-V-T/R_6P switch, and a Q1 GDSQ12N7002 SOT23-3 MOSFET. The design includes revision history with component value changes, such as R1 changed from 390 ohm to 1.2K ohm and R2 changed from 200 ohm to 2K ohm, as well as a D1 part number change from SC500005M00 to SC500006R00, all implemented on August 3, 2008.
Technician FAQ
Q: What is the board number and revision of this TP on/off board?
A: The board number is LS-4487P, revision 0.2, dated Friday, September 12, 2008.
Q: What is the project code for this board?
A: The project code is LS-473AP.
Q: What component changes were made in revision 0.2?
A: Revision 0.2 includes changing R1 from 390 ohm to 1.2K ohm, R2 from 200 ohm to 2K ohm, and D1 from SC500005M00 to SC500006R00, all cut in on August 3, 2008.
Technical data structured and organized by Dr-Bios.com, based on original schematic source analysis.
compal ls-473ap touchpad on_off board.pdf
Technical Specifications
| Parameter | Value |
|---|---|
| Brand | Compal Electronics, Inc. |
| Project Code | LS-473AP |
| Board Number | LS-4487P |
| Revision | 0.2 |
| Date | Friday, September 12, 2008 |
| Document Number | LS-473AP |
Technical Summary
This Compal Electronics LS-473AP TP on/off board, documented under board number LS-4487P revision 0.2 dated September 12, 2008, is a sub-board designed for touchpad on/off control. The board integrates a touchpad enable/disable circuit using a D1 HT-297UY5/BP5 yellow-white LED for status indication, a SW1 TJG-533-V-T/R_6P switch, and a Q1 GDSQ12N7002 SOT23-3 MOSFET. The design includes revision history with component value changes, such as R1 changed from 390 ohm to 1.2K ohm and R2 changed from 200 ohm to 2K ohm, as well as a D1 part number change from SC500005M00 to SC500006R00, all implemented on August 3, 2008.
Technician FAQ
Q: What is the board number and revision of this TP on/off board?
A: The board number is LS-4487P, revision 0.2, dated Friday, September 12, 2008.
Q: What is the project code for this board?
A: The project code is LS-473AP.
Q: What component changes were made in revision 0.2?
A: Revision 0.2 includes changing R1 from 390 ohm to 1.2K ohm, R2 from 200 ohm to 2K ohm, and D1 from SC500005M00 to SC500006R00, all cut in on August 3, 2008.
Technical data structured and organized by Dr-Bios.com, based on original schematic source analysis.
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