General Power Checking - Nokia RM-645 Service Manual

General power checking

Check the following voltages:
Signal Regulator
Rename
VIO Gazoo
VSIM Gazoo
VAUX1 Gazoo
VMEM Gazoo
VDIGMIC Gazoo
Page 3 – 12
Sleep Idle
ON ON
ON ON
ON ON
OFF OFF
OFF OFF
COMPANY CONFIDENTIAL
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BB Troubleshooting and Manual Tuning Guide
Nominal Main user
voltage
1.8 Memory, I/Os,
display
1.8/3.0 SIM card
2.8 Display
2.9 MicroSD
1.8 Audio
RM-645
Notes
Disabled in
sleep
Issue 1