Imaging Lmu - Sony Ericsson C903 Troubleshooting Manual

VBAT
L4200
22uH
1000-0130
VBAT
C4200
N2000
2.2uF
1000-0059
Ericsson AB 3100
MMI
BOOST LED DRIVER R4200
10ohms
A1 VDD_BOOST E3 SWBOOST_G
SW_BOOST
1000-0378
C2 BOOST_SENSE
BOOST_ISP
C4206
D2
BOOST_ISN
100nF
B2
VBOOST
AB3100
R State = 2
1202-0639
LED_BOOST_FB
B4200
VIBRATOR
1
A
2
B
3
GND
BSY-3242
1202-9271
R State = 2
N2000
Ericsson AB 3100
MMI
INDICATOR LED CONTROL
B4
LED1_N
A4
LED2_N
D3
LED3_N
C3
LED4_N
A3
LED5_N
B3
LED6_N
MP 85
VIBRATOR CONTROL
VIBR_OUT C 1 4 B 1 4
VIBR_OUT VDD_VIBR
AB3100 2
C4208
1202-0639
2.2uF
1000-0059
VBAT VOPTO30
VBAT
VOPTO30
MEASUREMENT POINTS
VBOOST_OUT
BOOST_SW
6 5 4
SCH2819
N4201
1001-0077
R State = 2
1 2 3
1200-1061
MP 58 MP 57
R4203
910Kohms
1%
C4203
1uF
25V
R4202
1000-0076
150mohms R4204
62Kohms
1000-0264
1%
1000-4160
VBAT VBAT
R4210 R4211 6
10Kohms 10Kohms
3
C C
B B
V4200 V4200
BC847CDXV6T1G BC847CDXV6T1G
5 2
1200-0320 1200-0320
E E
4
1
LED_WHITE_UPPER_KP
LED_WHITE_LOWER_KP
LED_BLUE_COMMON
CAM_BUTTON_BLUE
VBAT
C4209
100nF
1000-0048
<NM>
VBAT
MP 54
N2410
12 LED_BLUE_CNTRL
GPIO_O10_OUTPUT
MAX7327
1200-1951
MP 55
C4240
100nF
1000-0048
Imaging - LMU
MP 25
TP4200
L4201
Max 50mA current
1000-2647
MP 26
TP4201
LED_BLUE_COMMON
LED_BLUE_1
LED_BLUE_2
ANALOG SWITCH
N4240
SPDT Analog switch or
Mux/Demux bus switch
1 6
S B1
2 5
VCC GND
3 4
A B0
FSA5157LX6
1216-1590
90-PIN BTB MAIN FLEX
CONNECTOR
X4202
LCD_BL_A
B42
MP 20
TP4202
LCD_BL1_K
B44
LCD_BL2_K
B43
VBAT
A34
A35
A36
A37
LED_WHITE_UPPER_KP
B45
LED_BLUE_COMMON
B39
LED_BLUE_1
A23
LED_BLUE_2
A26
VOPTO30
A5
OPTOSENSE
A4
B18
A1
A2
A3
B17
X4202
Parts of X4202 are located on pages:
A02, B08, B14, I02, I03, I04, and R04
16-PIN BTB KEYPAD FLEX
CONNECTOR
LED_WHITE_LOWER_KP
A6
X2400
Parts of X2400 are located on pages:
V4112
B14, I04
1207-3081
ESDALC6V1-1BM2
CAM_BUTTON_BLUE
Made for
Imaging
LMU
Document Nr
1217-2034 Page I4
SEMC Troubleshooting Manual
C903
1212-6578
OPTOSENSE
1214-7370
Revision
4
1228-1147 rev. 1 79 (129)