System Power 1 Sch (+3V, +5V, +12V) - EUROCOM M22ES Service Manual

System Power 1 SCH (+3V, +5V, +12V)

PC37 PC40
+
0.1UF(0805) 10U/25V_O
VDD3 SYS3V
PL7
PJ2 5A
PR3
CDRH-1205-100
1 2
12m(2512) PC120
6mm PC36 PC34 PC32
+ + + 47P
10U 220U 220U PC122
PR128 PR127
100P
3.6K_1% 1M
PR129
10K_1%
PR135
VL
PWM Mode
12V VDD3 PQ3 +3V 12V VDD5 PQ2
Si4800 5A Si4800
5A 8 5A 8
7 3 7
6 2 6
5 1 5
PR85 4 PR86
47K 47K
PQ27
PC28 PC27
2N7002
DD_ON#
0.1UF(0805) G 0.1UF(0805)
PD27
VIN
A C
[24,26,27] VIN1
1SS355
PR122
10 VL
PC109
2A V+ 10U
PC108
PC112
PC110
10U/25V 0.1UF
PD23
0.1UF(0805)
RB751V
PQ5A PC111
FDS6982S 4 0.1UF PD24
25 21 A C
BST3 VL
PR120 0 27 18 RB751V
DH3 BST5
4A
26 PU9 16 PR121
LX3 DH5
PQ5B
FDS6982S 24 MAX1632 17
DL3 LX5
1 19
CSH3 DL5
2
2 14
CSL3 CSH5
3 13
FB3 CSL5
12
FB5
5 12VIN
VDD
2.5VR 9
REF
15
SEQ
PC115 4
12VOUT
1U
0 10 28 3VON
SKIP 3VON
T219 TZ2501 11 7 5VON
RESET 5VON
PR136 PR134 0 6 23
VL SYNC SHDN
0(R) 300khz 8 20
GND PGND
PR133 PC107
Idle Mode
R(R) 0.1UF
+5V VL PQ40
5A DTA114EUA
E C PR126
3
2
1
4 PR123
PQ41
DTC114EUA
C
PR132 10K B PR124
[24,26,27] VIN1
33K
PQ28 E
2N7002
DD_ON#
G
VIN
VIN
0.1A
PC39 12VIN
+ PC38
10U/25V_O 0.1UF(0805)
2A PD6 PC35
11FS2 10U/25V
PC113
0.1UF 4
PQ4A PL6 CDRH125-100-122
FDS6982S 4 3
0 5A
PR4
4A
1 2
PC118 12m(2512)
47P
2 PQ4B
FDS6982S PR131 PC123
PR125
2M 10.7K_1% 100P
PJ10 12V
0.1A PR130
1 2
10K_1%
2mm
PC124 PC126
10U/25V 0.1UF(0805)
PR118
V+
10K
SYS3V
PQ43
DTA114EUA
10K 5VON
B
10K 3VON
PQ44
PC116 PC119 G
[20] DD_ON
2N7002
1000P 1000P
System Power 1 SCH (+3V, +5V, +12V) (71-M2200-D06) B - 27
Schematic Diagrams
5VH8
PR105
0(0805)
SYS5V VDD5
PJ1
1 2
6mm
Sheet 26 of 31
+ PC30 + PC31 + PC33
150U 150U 10U
System Power 1
SCH (+3V, +5V,
+12V)
SYS3V
E
PJ11
2mm PR137
C 10K
PR138
DD_ON#
10K
PC127 C
B PQ42
0.1UF DTC114EUA
E
DD_ONH [26,27]