Flow chart of trouble shooting
5-6
2SB1427-E-T100
3
LTC1734ES6-4.2#TR
2
1
Q303
U303
1%
L:ON,H:OFF
6.3V
VSENSE
5
VCC
3
PROG
4
ISENSE
1
GND
2
DRIVE
6
10V
10UF
C317
C318
10UF
C316
100K,1%
R320
100NF
82K,1%
R328
R323
CHG_ON
DCVOLT
+VBATT
ICHRG
2.7K
BAT_VOLT