EUROCOM D870P Series Service Manual page 92

Schematic Diagrams
System Power 2
SYS5V
[37] SUS#
Sheet 35 of 39
System Power 2
PR96
PR93
INTVCC
B - 36
PR167 0
SYS5V
VIN1
PR189 10
PR190 PR191 PD29
C A
1M 100K PU3 RB751V
1 14
EN/PSV BST
PC56 0.1uF
PQ27 2 13
1
VIN DH
2N7002 PC72
PR74 100K G 3 12
VOUT LX
1000P PR168
2
4 11
VCCA ILIM
PQ28 5 10
FBK VDDP
2N7002
G 6 9
PGOOD DL
7 8 PC58
GND PGND
PC74 PC73 PC57
0.1uF 0.1uF SC1470 *0.1uF
2.2UF(0805)
PR68 0
[32] 2.5VPG
PR70 10K
VCC3
+2.5V
PC52 PC155 PR62
10UF 10UF
PU1
10K 1% 1
VIN VCCA
5
REFEN VFB
PQ14 1
2N7002 PC146 PR164 2 7
AGND VOUT
PR160 100K G
SYS3V
0.01U PC47 8
2 PGND VOUT
10K 1% 1uF/50V
1
PQ59 CM8562
2N7002
G
[34,36,37] DD_ONH
PR94
100K PR84 10
PR83 10
T391
PR95 PC179 0.01uF 28
RUN/SS1
1M PC180
PC182 *180pF 1000pF 30
SENSE1+
PR90 45.3K 1% 31
SENSE1-
PR91 20K 1% 1
VOSENSE1
PR97
*1M 2
PLLFLTR
3
PLLIN
4
FCB
PC82 220pF
PR82 15K 5
ITH1
PC81 *33pF
6
SGND
PC84 220pF 7
3.3VOUT
PC183 PR88 15K
*0 PR98 0 8
ITH2
0.01uF PC185 33pF
9
VOSENSE2
PC85 PR87 20K 1% 11
SENSE2-
PC186 PR81
SGND2
0.01uF 1000pF 12
SENSE2+
*1000PF 19.1K 1%
PC181
PC184
0 PR89 *0
0.01uF
PR77 10
PR80 10
SGND2
PR79 0 RUN_SS 1
PC80
0.1uF
SGND2
VIN
2 2 2
PC175 PC165 PC164
0.1uF/50V 10U_1210(25V) 10U_1210(25V)
1 1 1
PQ19
RSS090N03
1.2V +1.2VS
4
PL2 2.0UH(AX05) 8A PJ5
1 2
15K PR177 10mm
PD32 PC55 PC159
PQ16 + +
RSS090N03 SM240A
4 6.98K 1%
330U/3V *330U/3V
PR176
4.99K 1%
VCC3
2
PC48
1uF/50V
1
6
1.25V +1.25V
2
PJ3
2A
3 1 2
2
4 PC150 PC145 PQ45
+ PC144 4mm PR7 10K B
[2,33] PRE/NOR#
10UF 1uF/50V
1
47U/6.3V
PR194 10K
VCC3
PR78 0 PG
PG [32]
T389
PU14
LTC3728LX PL10 2.0UH(AX05)
27
PGOOD
PQ63
VIN1
26 AO4422
TG1
PC171 PR75 4
25 0.1uF PD12
SW1
RB751V PC68 PQ61
24 C A AO4422 PD7 PC69
BOOST1
23 10 4 *0.1U(0603)
VIN
*0.1U(0603) SM240A
22
BG1
21
EXTVCC
10UF/25V(1210)
20 PC78 PC173 PC172
INTVCC
19 1UF 4.7UF/10V(0805) 0.1UF/50V_0805 PC70
PGND
18 PQ62
BG2
RSS090N03 PD6 0.1UF/50V_0805
17 C A PQ60 4
BOOST2
RSS090N03
15 PD11 4
SW2
PC174 RB751V SM240A
14 0.1uF
TG2
PL9 2.2UH
13
RUN/SS2
PC66 *0.1U(0603) PC65
*0.1U(0603)
T390
PR195 0 RUN_SS 2
PC79
0.01uF
SGND2
+1.5V +2.5V
PC100 PC102
10U/1210 10U/1210
PQ1 PQ46
3A
S D D S
GMCHVCCP
PC2 G G
+ FDD6035AL/TO252 IRLR3410TR
220U/4V
PR124 2K PR8 2K
PR123 PC7
PC3 PU4 SC338
15.4K 1% 10nF 1 10 0.1UF
DRV1 IN
2 9
VCC3 ADJ1 DRV2
PR5 100K 3 8
+2.5V EN1 ADJ2
PR2
T246
4 7
PGD1 EN2
35.7K 1% PR6 *10K
[28,32,37] PS_ON
PR1 5 6 T247
GND PGD2
100K
PQ43 PR3 PC6
2N7002 PC8 PC9
G 10.5K 1% 0.1uF 0.1uF *0.1uF
PQ44 PR4 0
C 2N7002
G
[37] SUSB
E
2N3904
SYS3V
PR86
100K
Z2854
G
2.5V +2.5V
PJ7
PR66 8A G PQ33
[34,36,37] DD_ONH
1 2 2N7002
5m(2010) PC60 PC156
PC67 6mm
PR85
0.1uF *10K
330uF/3V(D) 330uF/3V(D)
VIN
10UF/25V(1210)
SYS3V
PC59 PC158 PC51 PC163
10UF/25V(1210) 10UF/25V(1210)
PR72
100K
Z2854 G
1.5V PJ6 +1.5V
PR65 7A
1 2
G PQ67
[34,36,37] DD_ONH
5m(1206) PC46 PC50 PC64 2N7002
6mm
0.1uF
330uF/3V *330uF/3V
PR188
*10K
Modify 5/31
Modify 5/31
PR92
0
SGND2
VDD5
2A
VCC1.8S
PC103
+
47U/6.3V
PC101
PR125
0.01UF
26.1K 1%
PR126
10K_1%
RUN_SS 2
PQ32
2N7002
RUN_SS 1
PQ29
2N7002