User Guide
Table Of Contents
- Amendment Record Sheet
- Copyright
- Warnings and cautions
- For your safety
- Care and maintenance
- ESD protection
- Battery information
- Company Policy
- Nokia 3610 fold Service Manual Structure
- 1 General information
- 2 Service Tools and Service Concepts
- 3 BB Troubleshooting and Manual Tuning Guide
- General BB troubleshooting guidelines
- Phoenix self tests
- ST_CURRENT_CONS_TEST troubleshooting
- ST_SLEEPCLK_FREQ_TEST troubleshooting
- ST_SLEEP_X_LOOP_TEST troubleshooting
- ST_UEM_CBUS_IF_TEST troubleshooting
- Power and charging troubleshooting
- Interface troubleshooting
- User interface troubleshooting
- Camera module troubleshooting
- Audio troubleshooting
- Bluetooth troubleshooting
- Baseband manual tuning guide
- 4 RF troubleshooting
- 5 System Module
- Glossary
General power checking
Check the following voltages:
Signal name Regulator Sleep Idle Nominal
voltage
Main user Notes
VIO AVILMA ON ON 1.82 Memory, I/Os,
IrDA, Display
VBACK AVILMA ON ON 2.5 Back-up
battery
VSIM1 AVILMA ON ON 1.8/3.0 SIM card
VDRAM AVILMA ON ON 1.82 SDRAM
VAUX AVILMA OFF OFF 2.8 Display & hall
sensor
VANA AVILMA ON ON 2.5 Audio, some
pull-ups
VR1 AVILMA OFF ON 2.5 Crystal
oscillators
VRFC AVILMA OFF ON 1.8 RAP3G
converters
VRCP1 AVILMA OFF OFF 4.75 To RF parts RF active
VREF AVILMA ON ON 1.35 RF reference
VCORE BETTY ON ON 1.05
1.25
1.35
1.40
RAP3G digital
VOUT BETTY OFF OFF 2.5 Not used Accessory
connected
V2.8 TK63128B-G OFF OFF 2.850 Camera Disabled in
sleep
VDIG LM3677 OFF OFF 1.800 Camera Disabled in
sleep
VSD LP3929TMEX OFF OFF 2.850 MicroSD card Disabled in
sleep
VLED1 TK11891F-G OFF OFF 6.2V Main LCD
Backlight
Disabled in
sleep
VLED2 TK11891F-G OFF OFF 6.0V 2nd LCD
Backlight
Disabled in
sleep
See the following figure for the power up timing.
Power up procedure
Power up procedure starts when the user presses and holds the power/end key.
RM-429
BB Troubleshooting and Manual Tuning Guide
Issue 1 COMPANY CONFIDENTIAL Page 3 –13
Copyright © 2008 Nokia. All rights reserved.