Service Manual Online Homepage: http://manual.kmip.net/ Email: [email protected] ICQ: 343183001 QQ: 35070846
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SCH-X359 Flow Chart of Troubleshooting and Circuit Diagrams
2-
9
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2.8VA
47K
R324
C304
470PF
2.8V
2.8VB
R323
47K
R309
NC
C319
330NF
1NF
C307
EN
3
2
GND
1
IN
5
OUT
4
REF_BYP
U302
V_IN
6.3V
C306
10UF
1
OUT
5
REF_BYP
4
U301
3
EN
GND
2
IN
R300
0
6.3V
10UF
C300
3.0VT
C318
1UF
C317
1NF
100NF
L300
C305
150K
R303
5
4
GND
SD1
2
3
SD2
1
VIN
8
VOUT1
7
VOUT2
U303
ERR1
6
ERR2
3.0VR
6.3V
10UF
C302
D300
3
1
2
1
_RESET
5
_SHDN
BYP
4
3
GND
NC
6
8
VDET
VIN
7
VOUT
2
U300
6.3V
10UF
C316
2.8V
SLEEP_N
RESIN_N
IDLE_N
V_MOT
V_LED
MOT_CO
N
BACKLIGHT_LED
(Picture 1)
10V
10UF
C326
Q305
2
3
1
R344
1K
1
3
2
Q308
V_IN
Q306
2
3
1
100K
R348
680K
R347
12K
R334
ZD305
R336
47K
Q307
1
3
2
Q503
1
2
5
6
3
G
S
4
S
100NF
C331
22K
R352
10K
R337
220K
R354
1 ISENSE
PROG4
3 VCC
VSENSE
5
U305
DRIVE
6
GND
2
1K
R346
12
56
4
Q304
3
R332
2.7K
1NF
C332
20K
R385
R349
4.7K
R355
100K
2.8V
R338
20K
2.8V
R350
22K
C330
10UF
6.3V
R335
470K
TA+
ICHG
V_BATT
CHG_ON
TA+
TA_DET_N
PS_HOLD
HP_PW
R
ON_SW_SENSE
V_BATT
ON_SW
(Picture 2)
Service Manual Online Homepage: http://manual.kmip.net/ Email: [email protected] ICQ: 343183001 QQ: 35070846