User Guide

RH-17
Troubleshooting — BB CCS Technical Documentation
Page 6 Nokia Corporation Confidential Issue 1 04/2003
BB and RF Architecture
Figure 1: RH-17 Power Distribution
Power Up and Reset
Power up and reset is controlled by the UEM ASIC. RH-17 baseband can be powered up
in the following ways:
1 By the Power button, which means grounding the PWRONX pin of the UEM
2 By connecting the charger to the charger input
Bottom
Conn.
Flash
Robin Batman
Core
UPP
Charger
Battery
LCD/Key
VCTCXO
19.2 MHz
Sleep Clk
32 KHz
CBus
DBus
MBus
ExtBusC
FBus
MBus
RF
Bus
VBatt
VIO
Vflash1
Vflash2
VR2
UEM
VR1B
VR6
VR5
VR1A
VR4
VR3
VR7
VPPPRODTP
VANA
PA
VBatt
Front
End
UHF
SYNTH
FBusRx
FBusTx
VCORE