Sony Ericsson K850 - Power Camera

K850
1203-2528 rev. 1
MEASUREMENT POINTS Power Camera
MEASUREMENT POINTS
Made for
Document Nr Revision
VCAML
VCAMIO
VCAMSA
VBATI
10uF
C2280
10uF
C2281
12
ST2280
TP2204
1uF
C2291
ST2276
21
MAX7327
D2420
10
1200-1951
GPIO_O8_OUTPUT
VCAMAF
STW4141
N2203
C4
A1
B1
D3
C3
B4
A4
A3
A2
B3
B2
C1
D2
D1
D4
C2
1
1200-0110
DC-DC
REGULATOR
PVDD
VDD
VLX1
VLX2
EN
AUTO
VSEL
MODE/SYNC
TMODE
VOUT1
FB1
VOUT2
FB2
STATE
PGND
GND
100nF
C2282
10uF
C2283
10uF
C2284
10uF
C2285
10uF
C2286
10uF
C2287
2.2uF
C2292
TP2207
TP2206
12
ST2284
ST2283
21
1uF
C2275
R5323Z022B_TR_FD
N2208
6
4
1
3
2
5
1000-8638
VDD
CE1 VOUT1
CE2 VOUT2
GND
TP2208
2.2uF
C2290
VCAMSD
CAM_LDO_EN
12
ST2275
MAX7327
13
D2420
1200-1951
GPIO_O11_OUTPUT
GND
33pF
C2293
<NM>
100Kohms
R2280
BLM18PG121SN1
L2260
XCMP118
3.3KohmsR2286
R1170D281B-TR
3
4
6
5
1
N2206
1000-0367
VOUT1
VOUT2
GND
2
VDD2
VDD1
CE
100Kohms
R2290
4.7uH
L2261
1
VCAMLVCAMIO
VBATI
VCAMSA
VCAMAF
VBATI
VCAMAF
VBATI
VBATI
VCAML
VCAMIO
VCAMSD
VCAMSD
VCAMSA
CAM_LDO_EN
N2206 oversized
in current
Local Groundplane
Start-up delay of VCAMSA
Maximum current
VCAMSA = 40 mA
VCAMSD = 105 mA
VCAMF = 296mA
VCAMIO = 113 mA (IO + DSP, DDR)
VCAML = 225mA
Application & System Performance
Power Camera
1200-1887 Page 7 3
MP 27
Page 25
MP 28
Page 25
MP 75
Page 26
MP 32
Page 25
MP 54
Page 25
MP 82
Page 26
SEMC Troubleshooting Manual
35 (101)