General Power Checking - Nokia MOBILE TERMINAL Service Manual

General power checking

General power checking
Signal Regulator
name
VIO_V AVILMA
VBACK AVILMA
VSIM1 AVILMA
VSIM2 AVILMA
VAUX AVILMA
VANA AVILMA
VR1 AVILMA
VRFC AVILMA
VRCP1 AVILMA
VOUT BETTY
VDAC LP3985
VCAM_1V8 LM3677
VCAM_1V3 LP5952
VCAM_2V8 BH28SA2
VCORE TPS62350
VIO LM3677
VSD SD
levelsifter
LEDOUT TK65604
LED B,G,R LP5521
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Sleep Idle
ON ON
ON ON
ON ON
ON ON
ON ON
ON ON
OFF ON
OFF OFF
OFF OFF
ON ON
OFF OFF
OFF OFF
OFF OFF
ON ON
ON ON
OFF OFF
OFF
OFF
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BB Troubleshooting and Manual Tuning Guide
Nominal Main user
voltage
1.82 Vilma I/O
2.5 RTC circuitry
1.8/3,0 SIM card
3,0 Digital
microphone
2.78 Accelerometer,
proximity
sensor, TV out
driver, display
2.5 Vilma internal
2.5 VCTCXO
1.8 RAPIDO
converter
4.75 RF module
2,5 ALS, audio
switch
3,0 DAC33
1,8 Camera HWA ,
LP5952,
cameras,
flashlight driver
1,3 Camera HWA
core
2,8 Cameras
1,2 Rapido core
1.8 VIO, VDRAM
2,9 SD card
Display
backlights
Keyboard
backlights
RM-356
Notes Supply
VBAT1
VBAT3
VBAT3
VBAT5
VBAT4
VBAT4
RF VBATCP
active
VBAT6
On VBAT
when
used
VBAT
LM3677
VBAT
VBAT
VBAT
ON VBAT
when
used
VBAT
VBAT
Issue 1