Power Vdd3/ Vdd5 - EUROCOM P270WM Service Manual

Power VDD3/ VDD5

VDD3,VDD5
VIN
PC123 PC121
4.7u_25V_X5R_08
4.7u_25V_X5R_08
VDD3 SY S3V
PL3
5A
PJ7 4.7UH_6.8*7.3*3.5
2 1 2 1
JUMP-5MM
PC239 PD10
PC109 PR139
+
PC112 SK34SA
0.1u_16V_Y 5V_04 4.7_08
PR274
12.7K_1%_04 PC116
2200p_50V_X7R_06
PR271
19.6K_1%_04
G
33,45,46,47,49 DD_ON
PQ84
*MTN7002ZHS3
G
33,45,49 USB_CHARGE_EN
PQ90
MTN7002ZHS3
0715J
Modify for USB Charger
44 AC_IN
VREF
PR275 *0_04 PR277 0_04
PC242
1u_10V_Y 5V_06
PR270 PR289
EN_3V EN_5V
PC238 100K_1%_04 150K_1%_04
1000p_50V_X7R_04 PU19
7 24
VO2 VO1
VREG3
PQ23
P1203BVG/ME4410AD 8 23
LDO3 POK
PC237 PC126
9 22
1u_10V_Y 5V_06
BOOT2 BOOT1
uP6182
0.1u_10V_X7R_04
4 10 21
UGATE2 UGATE1
11 20
PHASE2 PHASE1
PQ24
12 19
P1203BVG/ME4410AD
LGATE2 LGATE1
4
PD11
A C
VREG5
PR272
RB0540S2 EN_ALL
*680K_1%_04 PR279 PR284
0_04
PR276 0_04
VREF
PR278 *0_04 2.2_06
VREG5
VIN1 VREG5
PC240 PC243
C A
VIN
PD19 RB0540S2 4.7u_25V_X5R_08 1u_10V_Y5V_06
VREG5
EN_3V
PR273 *0_04
PR150
PR282 0_04 EN_5V
10K_04
0715J
PQ30
Modify for rework
G
MTN7002ZHS3
PQ85
G 0715J
MTN7002ZHS3
Modify for rework
PC248
1000p_50V_X7R_04
D03-1021R
Modify
VIN
PR288 *10K_04 0.1u_50V_Y 5V_06
SY S5V
PC255 PC138 PC256
PC250
PC136 4.7u_25V_X5R_08
4.7u_25V_X5R_08
0.1u_10V_X7R_04 PQ34 4.7u_25V_X5R_08
4
P1203BVG/ME4410AD
PL6
4.7UH (BCIHP1040-4R7M)
1 2
PQ32
Ra
P1203BVG/ME4410AD
PC137 PR285
PD14
4 2200p_50V_X7R_06 30K_1%_06
PD24 SK34SA PC249
100p_50V_NPO_04
C A
VREG5 Rb
RB0540S2 PR283
PR287 PR151
11/23 DO4 4.7_08 18.7K_1%_04
*0_04
C A
PC244
SY S5V
0.01u_50V_X7R_04 PD20 RB0540S2
A C
SY S10V
PD21 RB0540S2
PC245
2200p_50V_X7R_04
PC247 C A
0.01u_50V_X7R_04 PD22 RB0540S2
A C
SY S15V
PD23 RB0540S2
PC251
2200p_50V_X7R_04
EN_3V EN_5V
PQ82
NTS4001NT1G PQ83
NTS4001NT1G
G G
Shutdow n_stb_pow er 31
PR146 PJ10
*100K_04 *OPEN_40mil
Schematic Diagrams
SYS5V
VDD5 Sheet 50 of 63
PJ11
9A
1 2
Power VDD3/ VDD5
JUMP-10MM
PC139
+
PC140
0.1u_16V_Y 5V_04
Power VDD3/ VDD5 B - 51