DP485 Service Manual
63
Appendix 5 Schematic Diagrams and Layout Drawings
Schematic Diagrams of Main Board
R105
270K
R107
100K
R108
1K
C124
1000P
C120
1000P
F100 3A
C115
10nF
C114
100nF
C113
470P
C112
10nF
C111
100nF
C121
NC
C103
10uF
C104
470P
C102
470P
Q102
ST2301
Q103
DTC144EE
R102
2.2K
R103
10K
C101
100nF
C116
NC
1
VIN
2
VSS
3
CE
4
NC
5
OUT
IC100
XC6204B502MR
L100
BLM11A601S
1
BST
2
GND
3
FB
4
EN
5
IN
6
SW
IC102 MP2359
D101
NS
R1020M
W2T1G
C110
10nF
L107
10uH
C119
10uF
C118
470P
C117
100nF
C123
10uF
C122
470P
R106
16.2K
R104
56K
C109
1.5M
L105
BLM11A601S
R110
10K
R111
NC
L104
BLM11A601S
C108
10uF
D100
1SR154
L30
BLM11A601S
1
2
3
4
J1
PWR_CONNECTOR
C28
10uF
C29
NC
C47
10uF
C55
470P
C61
10nF
R99
NC
R100
NC
RF_4V2
5TC
4V2
5T
5C
B+
SB
BAT_DET
GPS_V_BCKP