Nokia NSM-5 SERIES Installation instructions

PAMS Technical Documentation
NSM–5 Series Transceivers
Issue 1 02/2002 Nokia Corporation
Disassembly &
Troubleshooting
Instructions

NSM–5
Disassembly & Troubleshooting Instructions PAMS Technical Documentation
Page 2 Issue 1 02/2002
Nokia Corporation
CONTENTS
Disassembly of NSM–5 3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Transceiver Troubleshooting 10. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Baseband Troubleshooting 10. . . . . . . . . . . . . . . . . . . . . . . . . . . .
PCB Test Points 10. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Testing 12. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Troubleshooting 13. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
System Clock 14. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Sleep Clock 15. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Power Supplies 16. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Phone is totally dead 19. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Flash programming fails 19. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Power doesn’t stay on or phone is jammed 19. . . . . . . . . . . .
Contact Service on the phone display 19. . . . . . . . . . . . . . . . .
SIM related faults 21. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Audio faults 22. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Charging fault 24. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
RF Troubleshooting 25. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

NSM–5
Disassembly & Troubleshooting Instructions
PAMS Technical Documentation
Page 3
Issue 1 02/2002 Nokia Corporation
Disassembly of NSM–5
NSM–5 phone disassembled.
NSM–5 phone.

NSM–5
Disassembly & Troubleshooting Instructions PAMS Technical Documentation
Page 4 Issue 1 02/2002
Nokia Corporation
Remove the battery.
Step 3. Press the release springs on
both sides of the frame and 4. slide the
bottom cover (B–shell) off the phone.
Step 1. Press the grip markings on both
sides of the phone.
1.
1.
Step 2. Slide the top cover (A–shell) off
the phone.
3.
5.
2.
Step 5. Turn the phone around and re-
move the battery. Use the recess next to
the SIM card holder.
4.
NOTE: SIM card can be removed after the
battery removal.

NSM–5
Disassembly & Troubleshooting Instructions
PAMS Technical Documentation
Page 5
Issue 1 02/2002 Nokia Corporation
Remove the antenna.
Step 1. Release the snap fixings by pushing
slightly from both battery housing corners.
Step 4. Visually verify all electrical contact
points and that the antenna has not been
damaged (note the 4 fixings).
2.
Step 2. Release the snap fixings also from
the other end of the antenna.
Step 3. Remove the antenna from the main
frame.

NSM–5
Disassembly & Troubleshooting Instructions PAMS Technical Documentation
Page 6 Issue 1 02/2002
Nokia Corporation
Drive size is torx plus 6.
Tightening torque is 17 Ncm.
In assembly check that PWB is not bent.
Remove the UI module.
Remove the frame screws (6 pcs) starting
from number 1 (bottom left).
NOTE: In assembly use reversed order.
NOTE: When assembling the screws,
use 17 Ncm torque.
1.
2. 3.
4.
UI module can now be separated from
the main frame/system module.
6.
5. 3.
UI module and system PWB apart.

NSM–5
Disassembly & Troubleshooting Instructions
PAMS Technical Documentation
Page 7
Issue 1 02/2002 Nokia Corporation
Be careful not to damage the metal gasket.
Main frame assembly.
Remove the system PWB
from the main frame.
4.
Main frame disassembled.

NSM–5
Disassembly & Troubleshooting Instructions PAMS Technical Documentation
Page 8 Issue 1 02/2002
Nokia Corporation
Removing battery connector
and SIM spring.
Release the other end of SIM spring and
the spring will come off.
To remove the SIM spring from the
main frame turn the phone around.
Use appropriate tool to unlock one end
of the SIM spring.
Slide the SRT–3 (Battery Connector Extractor
Tool) towards the battery connector and it will
be released from the main frame.
5.

NSM–5
Disassembly & Troubleshooting Instructions
PAMS Technical Documentation
Page 9
Issue 1 02/2002 Nokia Corporation
Speaker and display removal.
Remove UI module screws (2 pcs).
To remove the display release the snap fix-
ings on both sides of the module.
6.
Speaker can now be removed.
NOTE: Do not damage the speaker con-
tact springs.
NOTE: When assembling the screws,
use 8 Ncm torque.

NSM–5
Disassembly & Troubleshooting Instructions PAMS Technical Documentation
Page 10 Issue 1 02/2002
Nokia Corporation
Transceiver Troubleshooting
Baseband Troubleshooting
Because of the underfilling of the MAD and combo memory, it is impossible
to change those.
PCB Test Points
Reference Signal Note
C213 RFC MAIN CLOCK (13MHz)
HAGAR (N505) –> MAD (D200)
J100* PWM CHARGE CURRENT CONTROL
CCONT (N100) –> CHAPS (N101)
J101 FBUSTX FBUS TRANSMITTED DATA
MAD (D200) –> SERVICE INTERFACE
J102 FBUSRX FBUS RECEIVED DATA
SERVICE INTERFACE –> MAD (D200)
J103 MBUS ONE WIRE TWO DIRECTION SERIAL BUS
(9600 BIT/S)
MAD (D200) <–> SERVICE INTERFACE
J104 CCONT CSX CCONT (N100) CHIP SELECT
MAD (D200) –> CCONT (N100)
J223 CCONT INT CCONT (N100) INTERRUPT
MAD (D200) –> CCONT (N100)
J226 VCXOPWR 26MHz SYSTEM CLOCK CONTROL
MAD (D200) –> VCXO (G830)
J227 PURX POWER UP RESET
CCONT (N100) –> MAD (D200)
J228 SLEEPCLK SLEEP CLOCK (32kHz)
CCONT (N100) –> MAD (D200)
J230 GND GROUND
J234* HAGAR _RESET_X HAGAR (N505) RESET
MAD (D200) –> HAGAR (N505)
J235 ROM1SELX FLASH CHIP SELECT
MAD (D200) –> COMBO MEMORY (D210)
J236 RAMSELX RAM CHIP SELECT
MAD (D200) –> COMBO MEMORY (D210)
J237 SYNTHDATA
(SDATA) HAGAR (N505) SERIAL DATA MAD (D200) –> HAGAR (N505)
J239 DSPXF NOT CONNECTED
J240 MCURDX MCU READ
MAD (D200) –> COMBO MEMORY (D210)
J241 MCUWRX MCU WRITE
MAD (D200) –> COMBO MEMORY (D210)
J242 MCUAD1 MCU ADDRESS LINE 1
MAD (D200) –> COMBO MEMORY (D210)