Acer XB270HU - Main Power and Converter Schematics

04.Main Power
+5.2V
+19V_ 1
HS9105
HEAT SINK
1
2
3
4
R9353
100KOH M +-5% 1/8W
HS91 01
HEAT SINK
1
2
R9361
30 OH M 1/4W
C9353
100N 50V
R9357
100KOHM +-5% 1/8W
HS9103
HEAT SINK
3
4
1
2
C9358
1UF
R9359
2K 1/8W 1%
+
C9350
470UF 25V
R9354 22 OHM
R9360
0 OHM 1/8W
C9351
2.2UF 25V
R9370
22 OHM 1/8W
C9354
1N 50V
R9358
11K 1/8W 1%
+19V_EN
+
C9356
470UF 25V
+19V_EN
FB9905
BEAD
12
L9301
15uH
R9355 22 OHM
C9359 NC
C9355
47N 50V
D9351
SK84C
1 2
R9356
33K OHM
U9351
NR111D
BS
1
VIN
2
SW
3
GND
4
FB
5
ISET
6
EN
7
SS
8
C9357
1UF
HS4
Heat-sink(U9351)
1
2
C9138
1uF
+
C9137
470UF 35V
L9103
3UH
Q9401
BTC4672M3
C9403
100N 5 0V
R9125
10K 1/8 W
C9139
470PF 50 V
C9104
2200PF 2KV
R9107
10KOHM
R9111
0.22OH M +-5%
D9103
PR1007
Q9101
TK13A65U
R9129
9.31K OHM 1%
R9106
22 OHM 1/4W
R91 04
82KOHM +-5% 2WS
+
C9136
1000UF 35V
C9147
1uF
C9105
100N 5 0V
R9402
3.6K +- 1% 1/4 W
R9146
100 OHM 1/ 4W
C9119
47PF
R9118
30 OHM 1/4W
R9142
220 OHM 1/ 4W
U9103
AS431AZ TR-E1
U9102
PS2561DL1-1
12 43
D9102
RB160M
12
ZD 9401
BZT52-B16
1 2
T9101
POWER X'FMR
1
2
3
4
5 6
7
10
11
8
12
R9105
10 OHM 1%
R9127
62KOH M +-1% 1/8 W
U9401
PS2561D L1-1
12 43
C9118
0.1uF 50V
R9401
2Kohm 1/4W +/- 5%
R9178
10K 1/4W
R9145
100 OHM 1/ 4W
+
C9120
1000UF 35V
R9126
1K 1/ 4W
Q9305 PMBS3904
R9124
2K 1/ 4W
+
C9402
22UF 50V
R9135 5. 1R 1/8W 5%
ZD 9106
BZT52-B30
1 2
C9114
1NF
+
C9107
100UF 50V
D9101
SARS01- V1
C9113
2.2nF 50V
U9104 LD5760
OTP
1
COMP
2
CS
3
GND
4
OUT
5
VCC
6
HV
8
R9405
100K 1/ 8W 1%
R91 12
2 OHM 1%
R9307
10K OHM
C9911
2.2N F 250V
C9141
1NF
VCC
+19V _1
PS_ON
+19V
VCC
19V
+19V_1
DIM
ON/ OFF
+
C9405
47UF 50V
!
PS_ON
19V
VCC _ON
!
HV
!
!
HV
BO_DC
BL_Boost
R9147
100 OHM 1/ 4W
R9120
100KOHM +-5% 1/8 W
+
C9134
470UF 35V
+5.2V
C9360
2.2UF 25V
D9105
YG868C15R
1
2
3
D9106
YG 868C15R
1
2
3
HOT COLD
R9349
3.3M 1/4W
R9352
33K 1/8W
Q9307
PBHV905 0T
F9902
FUSE
Q9308
PMBTA45
R9348
100KOH M +-5% 1/8W
R9350
3.3M 1/4W
R9351
3.3M 1/4W
R9347
NC
FOR D9105/D9106
GND 2
GND
1
GND 1
GND
1
FOR Q9101
HVS
HV
+19V
R9165
10K 1/4 W
FOR Q9801
VCC_ON
CN902
Wire Harness
1
2
3
4
5
6
7
8
9
10
11
12
13
Jumper wire(FB9906) 暗 bypass.
3.5A
+19V
05.CONVERTER
Q802
AOD482
Q801
PMBS3904
ZD801
BZT52-B13
1 2
R821
2.4K 1/10W
HS801
HEAT SINK
1
2
FOR U801
DIM
ON/OFF
ISET
ISET
R843
402OHM +-1% 1/8W
R833
12KOHM +-1% 1/10W
R841
10K 1/8W
R845
300KOHM 1/10W
U801
OZ9998MDN
ISEN4
1
ISET
2
OVP
3
RT
4
ENA
5
ISW
6
LDR
7
VREF
8
VIN
9
LPF
10
SSTCMP
11
PWM
12
ISEN1
13
ISEN2
14
GND
15
ISEN3
16
+
C809
4.7UF 100V
R840
1M 1% 1/8W
C804
0.47UF 50V
C807
0.47UF 50V
R832
NC
R842
680 OHM 1/4W
C833
100PF 50V
BL_Boost
R801
10K 1/8W
F9903
FUSE
R838
0.2oHM 1% 1/4W
R802
300K 1/8W
R820
1 OHM +-5% 1/8W
C836
1N 50V
R816
39KOHM +-1% 1/8W
C834
680nF 50V
C835
100N 50V
R810
7.5KOHM +-1% 1/8W
R807
2R2 +- 5% 1/8W
R830
300K 1/8W
R804
10 OHM 1/8W
R844
1 OHM +-5% 1/8W
+
C801
470UF 35V
R837
0.2oHM 1% 1/4W
C827
NC
L801
33UH
2 4
C839
0.47UF 50V
D805
1N4148
R818 10K 1/8W
D806
SR5100
R839
10 OHM 1%
C838
0.47UF 50V
R806
100 OHM 1% 1/10W
C805
2.2UF 25V
+
C837
4.7UF 100V
R846
1 OHM +-5% 1/8W
R848
5.1R 1%
C824
100PF 50V/NC
R847
1 OHM +-5% 1/8W
C808
100PF 500V
C802
10N 50V
R835
270K + -1% 1/8W
R825
10K 1/8W
19V
Q804
2N7002K
R824
1M 1/10W 5%
C806
2.2uF 25V
FB803
BEAD
1 2
CN804
CONN
1
2
3
4
5
6
78