| Electronics > Repair |
| What more i can do? |
| << < (107/112) > >> |
| Shock:
I read this and I thought hmm beep only on a working board and I immediately thought a case opened tamper switch. I'd laugh if they are all working but a few aren't. |
| 222Lab_Test222:
--- Quote from: asis on December 27, 2024, 12:48:32 am ---Hi, If you have time, check the circuit by ringing the connections. Please. - Next step will be - FRAM/ DRAM SIMM72. --- End quote --- There is no direct connection between CPU and BIOS. there seems to buffer IC between them. Please check Reply #283 and #275. If you do not understand the connection let me know. Note: here looks like IC 10 11 12 13 acts as a bridge between data pins of BIOS and CPU. |
| asis:
Ok I got that, but I don't see the type 10,11,12,13. 74LS245L x 4pcs? - I'll fix it. Tnx. |
| 222Lab_Test222:
--- Quote from: asis on December 27, 2024, 04:55:24 am ---Ok I got that, but I don't see the type 10,11,12,13. 74LS245L x 4pcs? - I'll fix it. Tnx. --- End quote --- They are on back side of PCB. Here is the image. |
| 222Lab_Test222:
Time for New Year Break be back again in a week Happy New Year All |
| Navigation |
| Message Index |
| Next page |
| Previous page |