Nokia NSB-6 Series Installation instructions

PAMS Technical Documentation
NSB–6 Series Transceivers
Issue 1 06/2000 ENokia Mobile Phones Ltd.
Disassembly &
Troubleshooting
Instructions

NSB–6
Disassembly & Troubleshooting Instructions PAMS Technical Documentation
Page 2 Issue 1 06/2000
ENokia Mobile Phones Ltd.
CONTENTS
Disassembly of NSB–6 4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Transceiver Troubleshooting 8. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Baseband Troubleshooting 8. . . . . . . . . . . . . . . . . . . . . . . . . . . .
PCB Test Points 8. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
PCB Test Point Pictures 11. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
C213, RFC in normal operation 11. . . . . . . . . . . . . . . . . . . . . .
J227, PURX (levels) 11. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
J228, SLEEPCLK 12. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
J236, RAMSELX 12. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
J237, SYNTHDATA 13. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
J241, MCUWRX 13. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
J242, MCUAD1 14. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
J245, SCLK 14. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
J245, SCLK (DIFFERENT TIME SCALE IN OSCILLOSCOPE) 15
J250, COBBA (CSX) 15. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
J251, COBBA(SDA) 16. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
J252, COBBA(CLK) 16. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
J253, PCMRXDATA, Audiotest, Loop ON, Input/Output Internal 17
J254, PCMDCLK 17. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
J255, PCMSCLK 18. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
J256, PCMTXDATA, Audiotest, Loop ON, Input/Output Internal 18
J260, EXTMCUDA0 19. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
J299, TXP, RF Control, TX, Burst, Tx level 14, Data Type Cont 19
L200, MIC, no mic connected 20. . . . . . . . . . . . . . . . . . . . . . . .
N310 PIN 19, Vibra, activated from keypad 20. . . . . . . . . . . .
N310 PIN 6, BUZZER_CTRL 21. . . . . . . . . . . . . . . . . . . . . . . .
R206, SENA 21. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
R211, VPP, WinTesla Self Test, MCU Eeprom interface 22.
Testing 22. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Troubleshooting 23. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
System Clock 24. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Sleep Clock 25. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Power Supplies 26. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Phone is totally dead 29. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Flash programming fails 29. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Power doesn’t stay on or phone is jammed 29. . . . . . . . . . . .
Contact Service on the phone display 29. . . . . . . . . . . . . . . . .
SIM related faults 31. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Audio faults 32. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Charging fault 34. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
RF Testpoints (reference pictures at the back of the binder) 35
Pictures from RF measurement points 37. . . . . . . . . . . . . . . . . . .
Picture 1. RX I/Q from Hagar to baseband 37. . . . . . . . . . . . .
Picture 2. RX I/Q before AGC 37. . . . . . . . . . . . . . . . . . . . . . . .

NSB–6
Disassembly & Troubleshooting Instructions
PAMS Technical Documentation
Page 3
Issue 1 06/2000 ENokia Mobile Phones Ltd.
Picture 3. LNA control 38. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Picture 4. PA selection and control 38. . . . . . . . . . . . . . . . . . .
Picture 5. VBATT during TX burst 39. . . . . . . . . . . . . . . . . . . .
Picture 6. Switch control 39. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Picture 7. Power detector control 40. . . . . . . . . . . . . . . . . . . . .
Picture 8. TX IQ signals 40. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Picture 9. VCO, operating voltages 41. . . . . . . . . . . . . . . . . . .
Picture 10. Clock signals, VCTCXO, RFC 41. . . . . . . . . . . . .

NSB–6
Disassembly & Troubleshooting Instructions PAMS Technical Documentation
Page 4 Issue 1 06/2000
ENokia Mobile Phones Ltd.
Disassembly of NSB–6
Remove battery.
Remove the SIM card from its location.
Step 1. Open the slide cover.
Step 2. Push the slide edge outwards.
NOTE: Use only numbered side 2 to release the slide.
Step 3. Lift the slide up simultaneously and the slide
will be released.
Step 3. Lift the battery first
from the lower end.
Step 4. Remove the battery.
Step 1. Press the button on the side.
Step 2. Slide the cover downwards and
the cover will be released.
Remove the slide cover.
1. 2.
3.
4.
1.
2.
1.
2.
3.

NSB–6
Disassembly & Troubleshooting Instructions
PAMS Technical Documentation
Page 5
Issue 1 06/2000 ENokia Mobile Phones Ltd.
Remove keymat module
screws (2 pcs).
Remove the frame
screws (4 pcs).
Screws are num-
bered according to
the tightening order.
NOTE: Pull out the whip antenna first.
Step 1. To remove the antenna, push with the thin spike
of SRT–3 (Battery Connector Extractor Tool) forward to
release the snaps.
Step 2. Release snap fixing using screw driver.
Step 3. Lift up the antenna.
NOTE: Be careful not brake the middle frame.
Remove A–cover, speaker
and power button.
NOTE: When
assembling the
screws, use 15
Ncm torque.
NOTE: When assembling the
screws, use 17 Ncm torque.
12
3
4
Remove the antenna.
5.
6.
7.
8.

NSB–6
Disassembly & Troubleshooting Instructions PAMS Technical Documentation
Page 6 Issue 1 06/2000
ENokia Mobile Phones Ltd.
Parts can be separated:
– lcd module
– PCB
– buzzer rubber
– metal gasket
– bottom connector
– SIM connector
– Twin Rip
– vibra
Push SW/slide switch before removing
the keymat module. Now remove the
keymat module and RTC–battery.
NOTE: Be careful not to damage the
SW/slide switch on the PCB.
9.
10.

NSB–6
Disassembly & Troubleshooting Instructions
PAMS Technical Documentation
Page 7
Issue 1 06/2000 ENokia Mobile Phones Ltd.
Turn the phone around.
Press down battery conector springs
using Battery Connector Extractor Tool.
Battery connector will be released.
Remove the volume switch 1.
Remove the volume key 2.
12.
11.
13.
Release the latch snap.
Remove the latch and latch spring.

NSB–6
Disassembly & Troubleshooting Instructions PAMS Technical Documentation
Page 8 Issue 1 06/2000
ENokia Mobile Phones Ltd.
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)
J121# DATA_A SIM DATA
CCONT (N100) <–> SIM CARD READER
(X302)
J122# SIMIO/O_C SIM IO CONTROL
CCONT (N100) <–> SIM CARD READER
(X302)
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)

NSB–6
Disassembly & Troubleshooting Instructions
PAMS Technical Documentation
Page 9
Issue 1 06/2000 ENokia Mobile Phones Ltd.
NoteSignalReference
J241 MCUWRX MCU WRITE
MAD (D200) –> COMBO MEMORY (D210)
J242 MCUAD1 MCU ADDRESS LINE 1
MAD (D200) –> COMBO MEMORY (D210)
J245*
R205# SCLK HAGAR (N505) SERIAL CLOCK MAD (D200) –> HAGAR (N505)
J250 COBBA CSX COBBA (N250) CHIP SELECT
MAD (D200) –> COBBA (N250)
J251 COBBA SDA COBBA (N250) SERIAL BUS DATA
MAD (D200) <–> COBBA (N250)
J252 COBBA CLK COBBA (N250) SERIAL BUS CLOCK
MAD (D200) –> COBBA (N250)
J253 PCMRXDATA AUDIO RECEIVED DATA
COBBA (N250) –> MAD (D200)
J254 PCMDCLK AUDIO DATA CLOCK (512KHz)
MAD (D200) –> COBBA (N250)
J255 PCMSCLK AUDIO SYNC CLOCK (8kHz)
MAD (D200) –> COBBA (N250)
J255 ESYSRESETX COMPOMEMORY (D210) ENABLE
MAD (D200) –> COMBO MEMORY (D210)
J256 PCMTXDATA AUDIO TRANSMITTED DATA
MAD (D200) –> COBBA (N250)
J257 CCUT (MCUGE-
NIO0) CHARGE CUT MAD (D200) –> CHAPS (N101)
J258* BUTTON_CTRL
(MCUGENIO1) HEADSET BUTTON DETECTION CON- TROL
MAD (D200) –> XMICP
J259 MCUGENIO2 NOT CONNECTED
J260 EXTMCUDA0 MCU DATA LINE 0
MAD (D200) <–> COMPOMEMORY (D210)
J299*
R745# TXP TRANSMITTER POWER CONTROL MAD (D200) –> RF
L200 MIC MIC BIAS VOLTAGE, 2.1V IF NO MIC
V250 –> MIC
N310 PIN 13 KBD LIGHT KEYPAD LED LIGHT CURRENT
UI–SWITCH (N310) –> KEYPAD BACK-
LIGHT LEDS
N310 PIN 14 KBDLED_ADJ KEYPAD BACKLIGHT BRIGHTNESS AD-
JUSTMENT
R311 –> UI–SWITCH (N310)
N310 PIN 16 VIBRA_CTRL VIBRA DRIVE
UI–SWITCH (N310) –> VIBRA (M300)
N310 PIN 19 VIBRA VIBRA CONTROL PWM
MAD (D200) –> UI–SWITCH (N310)
N310 PIN 3 BUZZER BUZZER CONTROL PWM
MAD (D200) –> UI–SWITCH (N310)

NSB–6
Disassembly & Troubleshooting Instructions PAMS Technical Documentation
Page 10 Issue 1 06/2000
ENokia Mobile Phones Ltd.
NoteSignalReference
N310 PIN 6 BUZZER_CTRL BUZZER DRIVE
UI–SWITCH (N310) –> BUZZER (B301)
N310 PIN 7 KBLIGHTS KEYPAD AND DISPLAY BACKLIGHT CON-
TROL
MAD (D200) –> UI–SWITCH (N310)
N310 PIN 8 LCDLED_ADJ LCD BACKLIGHT BRIGHNESS ADJUST-
MENT
R310 –> UI–SWITCH (N310)
N310 PIN 9 LCD LIGHT LCD LED LIGHT CURRENT
UI–SWITCH (N310) –> DISPLAY BACK-
LIGHT LEDS
N400 PIN 4 IRONX IRDA (N400) SHUTDOWN
MAD (D200) –> IRDA (N400)
N401 PIN 4 IRDA POWER 2.8V
N401 –> IRDA (N400)
R118 PWRONX POWER ON BUTTON
POWER BUTTON (S330) –> CCONT (N100)
R206 SENA HAGAR (N505) CHIP SELECT
MAD (D200) –> HAGAR (N505)
R211 VPP FLASH PROGRAMMING VOLTAGE
N220 –> COMPOMEMORY (D210)
R277 EAD ACCESSORY DETECTION
XMICP –> CCONT (N100)
*Not in NSB–6.
#Only in NSB–6.

NSB–6
Disassembly & Troubleshooting Instructions
PAMS Technical Documentation
Page 11
Issue 1 06/2000 ENokia Mobile Phones Ltd.
PCB Test Point Pictures
C213, RFC in normal operation
J227, PURX (levels)

NSB–6
Disassembly & Troubleshooting Instructions PAMS Technical Documentation
Page 12 Issue 1 06/2000
ENokia Mobile Phones Ltd.
J228, SLEEPCLK
J236, RAMSELX

NSB–6
Disassembly & Troubleshooting Instructions
PAMS Technical Documentation
Page 13
Issue 1 06/2000 ENokia Mobile Phones Ltd.
J237, SYNTHDATA
J241, MCUWRX

NSB–6
Disassembly & Troubleshooting Instructions PAMS Technical Documentation
Page 14 Issue 1 06/2000
ENokia Mobile Phones Ltd.
J242, MCUAD1
J245, SCLK

NSB–6
Disassembly & Troubleshooting Instructions
PAMS Technical Documentation
Page 15
Issue 1 06/2000 ENokia Mobile Phones Ltd.
J245, SCLK (DIFFERENT TIME SCALE IN OSCILLOSCOPE)
J250, COBBA (CSX)

NSB–6
Disassembly & Troubleshooting Instructions PAMS Technical Documentation
Page 16 Issue 1 06/2000
ENokia Mobile Phones Ltd.
J251, COBBA(SDA)
J252, COBBA(CLK)

NSB–6
Disassembly & Troubleshooting Instructions
PAMS Technical Documentation
Page 17
Issue 1 06/2000 ENokia Mobile Phones Ltd.
J253, PCMRXDATA, WinTesla Audiotest, Loop ON, Input and Output
Internal
J254, PCMDCLK

NSB–6
Disassembly & Troubleshooting Instructions PAMS Technical Documentation
Page 18 Issue 1 06/2000
ENokia Mobile Phones Ltd.
J255, PCMSCLK
J256, PCMTXDATA, WinTesla Audiotest, Loop ON, Input and Output
Internal

NSB–6
Disassembly & Troubleshooting Instructions
PAMS Technical Documentation
Page 19
Issue 1 06/2000 ENokia Mobile Phones Ltd.
J260, EXTMCUDA0
J299, TXP, WinTesla RF Control, TX, Burst, Tx level 14, Data Type
Cont

NSB–6
Disassembly & Troubleshooting Instructions PAMS Technical Documentation
Page 20 Issue 1 06/2000
ENokia Mobile Phones Ltd.
L200, MIC, no mic connected
N310 PIN 19, Vibra, activated from keypad