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RM-484; RM-485; RM-486
BB Troubleshooting
General power checking
Check the following voltages:
Signal
Regulator
name
VIO_V
AVILMA
VBACK
AVILMA
VSIM1
AVILMA
VSIM2
AVILMA
VAUX
AVILMA
VANA
AVILMA
VR1
AVILMA
VRFC
AVILMA
VRCP1
AVILMA
VIO
LM3677
VDRAM
LM3677
VCORE
TPS62350
VDAC
LP3985
VCAM_1V8
LM3677
VCAM_1V3
VCAM_2V8
VSD
LP3930
V_ELVDD
TPS65136
V_ELVSS
TPS65136
VCORE_WD
LP5952
VBAT
VCORE
BETTY
VDRAM_V
AVILMA
VLED
BETTY
Issue 1
Sleep
Idle
ON
ON
ON
ON
ON
ON
ON
ON
OFF
OFF
ON
ON
OFF
ON
ON
OFF
OFF
OFF
ON
ON
ON
ON
ON
ON
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
ON
COMPANY CONFIDENTIAL
Copyright © 2009 Nokia. All rights reserved.
Nominal
Main user
voltage
1.82
Not used
2.5
RTC circuitry
1.8/3.0
Sim card
3.0
Digital microphone
2.78
Accelerometer, Hall
switches, 2nd
camera
2.5
Vilma internal
2.5
VCTXO
1.8
RAPIDO converter
4.75
RFmodule
1.8
Rapido , Betty I/O
1.8
M3 Memory
1.2
Rapido core
3.0
DAC33
1.8
Julie, LP5952
1.3
Julie,core
2.8
Main camera
2.9
SD card
4.6
Falcon OLED Display
-4.9
Falcon OLED Display
1.5
White Dwarf Core
3.6
1.2
Not used
1.82
Not used
6-18
Not used
Notes
RF active
On when
used
On when
used
Page 3 –7
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