Memory Power +1.8V, +0.9Vs - EUROCOM M620NC Service Manual

Memory Power +1.8V, +0.9VS

EN 1.8V
VTTEN
R464 *10K_04 Z3001
SY S5V
R467
R466 10K_04
+5V
*0_04 C637 0.1u_04 Z3002
+1.8V_PWRGD
SGND5
SGND5
2A
Z3003
2 1
+0.9VS
PJ7 2mm
+ C641
100u/6.3V_B2
R460 *2.2_04 Z3004
SYS5V
C634
1u/10V
R461 2.2_04 TZ3001
+5V
SGND5
Z3005
C635
R459 0 1u_04
SGND5 SGND5
EN 1.8V
R463 47K_04
+5V
Q57
C636
R462 100K_04 Z3019 G 0.1u_04
28 DD_ON#
2N7002W
+1.8V
R542
+5V
120
Z3025
Q74 R465
2N7002W +5V
Z3024
G 47K_04
R543
R525
100K_04 Q58
100K_04
Z3023
G
2N7002W
C639
Q70
*10u_08
G Q59
16,23,27,31 SUSB#
2N7002W
2N7002W
G
TEST 28,29,31
Z3006
C629 0.1u
U43
1 16 R446 7.15K_1%_04
VDDQEN OCDDQ
C624
0.1u
2 17 Z3007
VTTEN BOOST
Z3008
3 20 C630 C623
FPWM# VCCP
SGND5
4.7u/10V_08 0.22u/16V
4 18 Z3009 R452 0_04 Z3010
SS TGDDQ
15 19 Z3011
PGOOD SWDDQ
Z3012
6 21
VTT BGDDQ
Z3013
R445 0
8 22
FBVTT PGND
C631 100p_04
Z3014
5 12
VTTGND COMP
Z3016
C633 470p_04 R456 20K_1%_04
11 13 Z3015
VCCA FBDDQ
14 7
VTTREF VTTI
C632
4.7U/10V_08
10 9
DDQREF AGND
NCP5214
SGND5
PIN 23 = SGND5
+VA
A
+VIN
Q63
AO3409
S D Z3020 A
+H8VCC
R473
R468 100K_04
10K_04
Z3021 R472
23 PWRSW#
Q60
2N7002W
G
VTTEN
C643
0.1u_04
C640
23 PWRSW
0.1u_04
R457 *0_04 SY S5V
R458 0_04 +5V
D37
SCS551V
+VIN
C596 C617 C618 C601
10u_12 10u_12 10u_12 0.1u
Q55
4 IRF7821
L35
2.5uH
1 2
Q56 C576
+
R444
4 IRF7831 C627
D35 4.7_08 470u/2.5V_V
4700p_04
SM240A
Z3017 Z3018
C616 R454 R451
2200p_04 130_1%_04 4.3K_1%_04
R455
3.3K_1%_04
SGND5
+VIN1
D38 SCS140P
C
D39 SCS140P
C
20K_1%_04 Z3022
Q62
2N7002W
Q61 G
DD_ONH 28
G 2N7002W
R469
+5VS 13,14,17,18,19,22,24,27
+5V 18,24,26,28,29,31
100K_04
+H8VCC 2,19,23,27,32
+VA 32
+VIN 23,28,29,31,32
+VIN1 28
+1.8V 5,7,9,10,11
+0.9VS 12
+VDD5 13,14,17,19,27,28
SY S5V 28,32
+3V 13,16,24,25,26,28,29,31
Schematic Diagrams
PJ6
7A
1 2 +1.8V
6mm
C584
0.1u_04
Sheet 30 of 34
Memory Power
+1.8V, +0.9VS
+3V
R453
100K_04
+1.8V_PWRGD
+1.8V_PWRGD 16
Memory Power +1.8V, +0.9VS B - 31