Nokia NSM-3 Series Disassembly & Troubleshooting Instructions page 12

NSM–3/3D
Disassembly & Troubleshooting Instructions
Reference
J241
J242
J245*
R205#
J250
J251
J252
J253
J254
J255
J255
J256
J257
J258*
J259
J260
J299*
R745#
L200
N310 PIN 13
N310 PIN 14
N310 PIN 16
N310 PIN 19
N310 PIN 3
Page 12
Signal
MCUWRX
MCUAD1
SCLK
COBBA CSX
COBBA SDA
COBBA CLK
PCMRXDATA
PCMDCLK
PCMSCLK
ESYSRESETX
PCMTXDATA
CCUT (MCUGE-
NIO0)
BUTTON_CTRL
(MCUGENIO1)
MCUGENIO2
EXTMCUDA0
TXP
MIC
KBD LIGHT
KBDLED_ADJ
VIBRA_CTRL
VIBRA
BUZZER
E Nokia Mobile Phones Ltd.
PAMS Technical Documentation
Note
MCU WRITE
MAD (D200) –> COMBO MEMORY (D210)
MCU ADDRESS LINE 1
MAD (D200) –> COMBO MEMORY (D210)
HAGAR (N505) SERIAL CLOCK
MAD (D200) –> HAGAR (N505)
COBBA (N250) CHIP SELECT
MAD (D200) –> COBBA (N250)
COBBA (N250) SERIAL BUS DATA
MAD (D200) <–> COBBA (N250)
COBBA (N250) SERIAL BUS CLOCK
MAD (D200) –> COBBA (N250)
AUDIO RECEIVED DATA
COBBA (N250) –> MAD (D200)
AUDIO DATA CLOCK (512KHz)
MAD (D200) –> COBBA (N250)
AUDIO SYNC CLOCK (8kHz)
MAD (D200) –> COBBA (N250)
COMPOMEMORY (D210) ENABLE
MAD (D200) –> COMBO MEMORY (D210)
AUDIO TRANSMITTED DATA
MAD (D200) –> COBBA (N250)
CHARGE CUT
MAD (D200) –> CHAPS (N101)
HEADSET BUTTON DETECTION CON-
TROL
MAD (D200) –> XMICP
NOT CONNECTED
MCU DATA LINE 0
MAD (D200) <–> COMPOMEMORY (D210)
TRANSMITTER POWER CONTROL
MAD (D200) –> RF
MIC BIAS VOLTAGE, 2.1V IF NO MIC
V250 –> MIC
KEYPAD LED LIGHT CURRENT
UI–SWITCH (N310) –> KEYPAD BACK-
LIGHT LEDS
KEYPAD BACKLIGHT BRIGHTNESS AD-
JUSTMENT
R311 –> UI–SWITCH (N310)
VIBRA DRIVE
UI–SWITCH (N310) –> VIBRA (M300)
VIBRA CONTROL PWM
MAD (D200) –> UI–SWITCH (N310)
BUZZER CONTROL PWM
MAD (D200) –> UI–SWITCH (N310)
Issue 3 11/2000