General power checking
Check the following voltages:
Signal
Rename
Regulator Sleep Idle Nominal
voltage
Main user Notes
VIO Pearl/Gazoo ON ON 1.8 Memory, I/Os,
Display
VBACK Pearl/Gazoo ON ON 2.5 Back-up
battery
VSIM1 Pearl/Gazoo ON ON 1.8/3.0 SIM card
VAUX1 Pearl/Gazoo ON ON 2.8 TV-OUT, 3DFS,
MR, Display
VAUX2 Pearl/Gazoo OFF OFF 2.5 ALS
VANA Pearl/Gazoo ON ON 2.5 Audio
VR1 Pearl/Gazoo OFF ON 2.5 Crystal
oscillators
VRFC Pearl/Gazoo OFF ON 1.8 RAPU
converters
VRCP1 Pearl/Gazoo 4.75 To RF parts
VREF Pearl/Gazoo ON ON 1.25 RF reference
VCORE Pearl/Gazoo ON ON 1.2 RAPU digital Can change due
to RAPU version
& SW
VOUT Pearl/Gazoo OFF OFF 2.5 Video switch
VCAM_2V8 N1421 OFF OFF 2.8 Camera Disabled in
sleep
VCAM_1V8 N1420 OFF OFF 1.800 Camera Disabled in
sleep
VMEM Pearl/Gazoo OFF OFF 2.9 microSD Disabled in
sleep
RM-632; RM-634; RM-699
BB Troubleshooting and Manual Tuning Guide
Issue 3 COMPANY CONFIDENTIAL Page 3 – 11
Copyright © 2010 Nokia. All rights reserved.
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