Nokia NSB-7 Series Service Manual page 258

NSB-7
Disassembly & Troubleshooting
Reference
N310 PIN 19
N310 PIN 3
N310 PIN 6
N310 PIN 7
N310 PIN 8
N310 PIN 9
N400 PIN 4
N401 PIN 4
R118
R206
R211
R277
#ONLY IN NSM-2
*ONLY IN NSB-6 and NSB-7
Page 10
Signal
VIBRA
BUZZER
BUZZER_CTRL
KBLIGHTS
LCDLED_ADJ
LCD LIGHT
IRONX
IRDA (N400)
POWER
PWRONX
SENA
VPP
EAD
ãNokia Mobile Phones Ltd.
PAMS Technical Documentation
Note
VIBRA CONTROL PWM
MAD (D200) -> UI-SWITCH (N310)
BUZZER CONTROL PWM
MAD (D200) -> UI-SWITCH (N310)
BUZZER DRIVE
UI-SWITCH (N310) -> BUZZER (B301)
KEYPAD AND DISPLAY BACKLIGHT CONTROL
MAD (D200) -> UI-SWITCH (N310)
LCD BACKLIGHT BRIGHTNESS ADJUSTMENT
R310 -> UI-SWITCH (N310)
LCD LED LIGHT CURRENT
UI-SWITCH (N310) -> DISPLAY BACKLIGHT LEDS
IRDA (N400) SHUTDOWN
MAD (D200) -> IRDA (N400)
2.8V
N401 -> IRDA (N400)
POWER ON BUTTON
POWER BUTTON (S330) -> CCONT (N100)
HAGAR (N505) CHIP SELECT
MAD (D200) -> HAGAR (N505)
FLASH PROGRAMMING VOLTAGE
N220 -> COMPOMEMORY (D210)
ACCESSORY DETECTION
XMICP -> CCONT (N100)
Issue 1 06/00