Nokia 1508I User manual

1508i(RM-430)
Baseband Description and Troubleshooting
Nokia Customer Care
Issue 1
Copyright © 2008 Nokia, All rights reserved
Nokia Customer Care
1508i (RM-430)
Mobile Terminal
Baseband Description and
Troubleshooting

1508i(RM-430)
Baseband Description and Troubleshooting
Nokia Customer
Care
Issue 1
Copyright © 2008 Nokia, All rights reserved
Contents
BB Troubleshooting 1508i

1508i(RM-430)
Baseband Description and Troubleshooting
Nokia Customer
Care
Issue 1
Copyright © 2008 Nokia, All rights reserved
1508i system brief introduction
1508i main features
1508i is a CDMA phone based on the VIA platform.
1) CDMA PCS support only
2) FM stereo radio
3) Compliance to USB 2.0 (full speed)
4) R-UIM card
The main devices
Device Model number Supplier
Baseband processor CBP 5.6 VIA
PMU ACT5805 Active
Memory S71GL064NB0BFW0Z0 SPANSION
LCD BYD4205T BYD
FM Stereo radio Si4702-B16-GM SILICON LABS

1508i(RM-430)
Baseband Description and Troubleshooting
Nokia Customer
Care
Issue 1
Copyright © 2008 Nokia, All rights reserved
Figure 1 Component layout (Bottom)

1508i(RM-430)
Baseband Description and Troubleshooting
Nokia Customer
Care
Issue 1
Copyright © 2008 Nokia, All rights reserved
System Block Diagram
System Description
1508i is a CDMA (PCS band) Mobile Phone. The phone supports:
- forward and reverse link data rates of up to 153.6kbps.
- 4GV vocoder
- 1.47”(128*128) CSTN LCD
- Stereo FM radio
Platform Introductions
CBP 5.6
VIA Telecom’s CBP 5.6 single-chip CDMA Base Band
Processors provide a complete 3G CDMA2000® 1X
(Release 0) solution. They are designed to meet or exceed