Mini-Sd; Mini-Sd Troubleshooting - Nokia 6265 Baseband Description And Troubleshooting

6265/6265i/6268 (RM-66)
Baseband Description and Troubleshooting

Mini-SD

Mini-SD Troubleshooting

• Perform a visual inspection on the Level Shifter and ESD ASIP
• Check the power supplies VIO, VBAT, and VMSD
• Check for activity on Mini SD control lines MMC_CLK, MMC_cmd, MMC_dat0
after Level Shifter
• If not ok then check Level Shifter and D2800
• Check for activity on Mini SD control lines
• MMC_CLK, MMC_cmd, MMC_dat0 after ESD ASIP
• If not ok replace ESD ASIP or check connector
Level shifter
Page 46
Figure 47: Mini-SD schematic and layouts
©2005 Nokia Corporation
ESD ASIP
MMC_CMD
MMC_CLK
MMC_DAT0
Company Confidential
Mini-SD connector
Issue 1 11/2005