Nokia NSB-9 Service Manual page 224

NSB-9
Troubleshooting Instructions
Signal Name Function
FBUS_TX Flash programming data and phone
control
FBUS_RX Flash programming data and phone
control
MBUS Flash programming clock and phone
control
BSI Flash programming startup
signal,battery size indicator, local
mode switch, SIM card detection
VPP Flash programming voltage
VR1A Power supply for Hagar PLL charge
pump
VR2 Power supply for TX modulator
VR3 Power supply for VCTCXO
VR4 Power supply for Hagar
VR5 Power supply for Hagar
VR6 Power supply for Hagar
VR7 Power supply for VCO
Signal Name Function
VSIM Power supply for SIM card
SIMRST SIM reset
SIMIODAO SIM data
SIMCLKO SIM clock
SLEEPX Sleep mode control
PURX Power up reset
SLEEPCLK Sleep clock
Signal Name Function
VBATTO_1 Power supply for VANA,VR3,VR4
and VR7 regulators
VBATTO_2 Power supply for
VFLASH1,VFLASH2 and VSIM
regulators
VBATTO_3 Power supply for VCORE regulator
VBATTO_4 Power supply for VR1A,VR1B and
VR2 regulators
VBATTO_5 Power supply for VR5 and VR6
regulators
VBATTO_6 Power supply for VIO regulator
RFCLK System clock for baseband
RF_BUSDA Hagar control serial data
RF_BUSCLK Hagar control serial clock
Signal Name Function
CBUSCLK Serial clock
CBUSDA Serial data input/output
Page 50
Test Point Signal Characteristics
PRODTP2 2.8-0V, digital signal
PRODTP3 2.8-0V, digital signal
PRODTP7 2.8-0V, digital signal,
clocks up to 6.5MHz
Battery 2.8-0V, analog AD-
connector converter and digital signal
and J101
PRODTP6 1.8V, up to12V during
flash programming
C600 4.75 V
C706 2.8 V
C662 2.8 V
C601 2.8 V
C603 2.8 V
C605 2.8 V
R652 2.8 V
Test Point Signal Characteristics
C390/conn. 1.8 or 3.0V
C387/conn. digital signal
C386/conn. digital signal
C388/conn. 3.25 MHz digital clock
signal
J403 1.8-0V, digital signal
J402 1.8-0V, digital signal
J404 1.8-0V, 32 kHz digital
clock signal
Test Point Signal Characteristics
C260 = VBAT
C261 = VBAT
C262 = VBAT
C264 = VBAT
C263 = VBAT
C265 = VBAT
C420 13 MHz analog signal
J2 0 -1.8V, digital signal
J3 0 -1.8V, 13 MHz digital
clock signal
Test Point Signal Characteristics
J406 1.8-0V, 1MHz digital clock
signal
J407 1.8-0V, digital signal
Nokia Corporation
CCS Technical Documentation
Notes
From phone to prommer or PC
From prommer or PC to phone
Bidirectional phone control
2.8V pulse when flashing starts, approx. 1.0V
in normal mode and 0V in local mode
Internal programming voltage 1.8V , external
12V
Controlled by SLEEPX signal
Notes
Level depend on SIM card type
Level depend on SIM card type
Level depend on SIM card type
Level depend on SIM card type
Notes
Requirement > 0.3 Vpp
Notes
Controlled by MCU
Controlled by MCU
Issue 1 04/03