General Power Checking - Nokia RM-497 Service Manual

RM-497
BB Troubleshooting and Manual Tuning Guide

General power checking

Check the following supply voltages from the N2201 Loviisa PMU to the D2800 Juno BB ASIC:
Signal name Regulator
VUSB2 VMSLDO2
VIO VIOLDO
VCORE VCSRL
VRF2 VRFLDO1
VRF1 VLVLDO2
VDCXO VLCLDO
VSIM VSIMLDO
VAMP2 VHCLDO2
VMEM VIOSRL
VANA1 VLVLDO1
Issue 1
Sleep Active
ON ON
ON ON
ON ON
OFF ON
OFF ON
OFF ON
TBD ON
OFF ON
ON ON
ON ON
COMPANY CONFIDENTIAL
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Main user Probe point
NVM digital C2219
supply, analog
supply for USB
I/O
CMOS I/O C2222
digital supply,
digital supply
for BBL I/O
core digital C2200
supply, digital
supply for RF,
analog supply
for USB PLL
analog supply C2214
for RF
analog supply C2209
for RF
analog supply C2212
for RF
digital supply C2215
for SIM I/O
digital supply C2216
for SDIO I/O
digital supply C2201
for nvSRAM I/
O, digital
supply for EMI
I/O
analog supply C2208
for MainPLL,
analog supply
for AppsPLL,
analog supply
for USB,
analog supply
for USB, CSI-2/
CCP2 I/O, DSI I/
O, analog
supply for dual
DAC
Nominal
voltage (V)
3.3
1.8
1.2/1.01
2.7
1.3
1.3
3.0
1.8
1.8
1.2
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