Components - N3101, N4201, N4240; Components - N4401, R2449 - Sony Ericsson C903 Troubleshooting Manual

N3101 ASIC Tjatte3 1000-0198
Pin configuration (Bump side)
5 5 5 4 4 4 3 3 3 2 2 2 1 1 1
MIC MIC MIC MIC
A A A
VMIC VMIC SPRi SPRi SPLi SPLi
Ni Ni Pi Pi
INT INT INT INT
B B B
Gnd Gnd CCO CCO VAD VAD
mici mici
mice mice
C C C
Gnd Gnd Gnd Gnd
Gnd Gnd Gnd Gnd Gnd Gnd
D D D
MIC MIC
SPR SPR SPL SPL MIC MIC SPR SPR
e e Ne Ne Pe Pe EF EF
e e
N4201 Trans N-ch FET 1001-0077
N4240 IC IF Micropak-6 1216-1590
Pin Assignments
S 1 6 B
1
V 2 5 GND
CC
A 3 4 B
0
APPENDIX
Electrical diagram
VAD VAD CCO/VMIC CCO/VMIC
R1 R1 R2 R2
MICPe MICPe R3 R3 MICPi MICPi
SPLe SPLe
MICNe MICNe MICNi MICNi
R5 R5
R4 R4
INTmice INTmice R6 R6
INTmici INTmici SPRe SPRe
SPREF SPREF
CCO/VMIC CCO/VMIC
Truth Tables
Control Input(s) Function
LOW Logic Level B Connected to A
0
HIGH Logic Level B Connected to A
1
Pin Descriptions
Pin Names Function
A, B , B Data Ports
0 1
S Control Input
Components - N3101, N4201, N4240, N4401, R2449
N4401 IC Dri CS-16 1212-3512
Connection Diagram
R7 R7
SPLi SPLi
GND GND
R8 R8
SPRi SPRi
GND GND
Pin Descriptions
Pin Name
A1 LED1
A2, B2 OUT
A3, B3 SW
A4, B4 GND
B1 LED2
LEDI/NTC
C1
C2 TX1/TORCH
C3 STROBE
C4 IN
D1 ENVM/TX2/GPIO
D2 SDA
D3 SCL
D4 RESET /GPIO
R2449 Resistor 0, Ohm +/-50m 63 mW K0603 1000-0257
max 0.45
max 0.45
Function
High Side Current Source Output for Flash LED.
Step-Up DC/DC Converter Output.
Drain Connection for Internal NMOS and Synchronous PMOS Switches.
Ground
High Side Current Source Output for Flash LED.
LED Temperature Sensing .
Configurable as a RF Power Amplifier Synchronization Control Input or Hardware Torch Enable.
Active High Hardware Flash Enable. Drive STROBE high to turn on Flash pulse.
4.7μF ceramic capacitor.
Synchronization Input.
Serial Data Input/Output.
Serial Clock Input.
Active Low Hardware Reset, or programmable general purpose logic input/output.
0.8 +/−.2
0.5 +/− .1
SEMC Troubleshooting Manual
C903
1.6 +/−.2
1228-1147 rev. 1 114 (129)