Inverter/Power Board; Keypad Board - HP L1902 Service Manual

7.2 Power Board
BD901
- +
2 4 + C905
150uF/400V
GBU4J
C908
L904 0.1uF/50V
73L 174-26-LS
J903
J902 L902
JUMPER1 73L174-29-LS JUMPER1 R911
24K
C903 0.47uF/250V
R901 R902 R900
680K 1/8W 680K 1/8W 680K 1/8W
NR901
t
NTCR 5A5
R915 30K
F901
2.5A/250V
ZD901
C901
12V
0.001uF/250V C902
R917
0.001uF/250V 100 1/10W
FG
J901 SW901
JUMPER1
NC
CN901
CONN
+12V
R201
2.2K 0805
Q205
DTA144WKA
1
R205
0
R206 Q207
0 0805 DTC144WKA
1
ON/OFF
ZD203
5.6V
C212
0.1uF/0805
GND
JP204 JP205
R202
C217 10 1206
0.1uF/0805
C219
1uF/0805
R214
C221 0 0805
0.47uF/0805
C222
1uF/0805
R219
N.C
C226
0.1uF/0805
C228
0.0068uF/25V
C232
0.0015uF/0805
R226
110K 0805
JP201
R233 JP203
1M 0805
R232 1
1M 1/10W
DIM
R236 R237
220K 0805 120K 0805
is power GND
is signal GND
AOC (Top Victory) Electronics Co., Ltd.
Title
PWPC1942LGH2
Size Document Number Rev
Custom
Thursday, December 25, 2003
Date: Sheet 2 of 2
R906 R904
1M 1/8W 1M 1/8W C906
1500pF/1KV
R907 R905
1M 1/8W 1M 1/8W
D902
D904 PS102R
+ C907
47uF/50V
+ C922 1N4148
4.7uF
R909 10 1/4W
4 8
RI GATE
SG6841
BiCOMS R910 0 1/8W
1/10W 5 6
RT SENSE
C909
N.C
R913
20K/0805
R912
20K 1/10W C910
1000pF
1/4W
D903
R916
1N4148
C911 4.7K 1/10W
Q903
0.1uF/50V
PMBS3906
1
1 Q902
PMBS3904
R918
C912 4.7K 1/10W
0.1uF/50V
R244
470 1206
1/10W
1 Q206
PMBS3904
R207
10K 0805
C213
1uF/0805
C211
1uF/25V
R209
22 0805
C214
0.047uF/0805
C218
IC201 NC 0805
C220
1 20 220PF/0805
CTIMR NDRV_B JP202
2 19
OVP PDRV_A
2
3 18
ENA CT
4 17
SST RT
5 16
VDDA PWRGND
C224
6 15 4700PF / 0805
GNDA LCT
C227
7 14 0.1uF/0805
REF DIM
8 13
RT1 LPWM
9 12
FB PDRV_C
10 11
CMP NDRV_D
R220
22 0805
D205
0 0805
R245
NC 0805
R221
33K 0805
R222 51K
R223
1M 0805
D208
1N4148
R225
2M 0805
Q211
RK7002 Q212
RK7002
R231
2 1M 0805
C244 Q213
2.2uF/0805 RK7002
R238
1M 0805
Q214
RK7002
R241
1M 0805
Q215
RK7002
R243
1M 0805
2
R919
47 1/8W
R920 C913
47 1/8W 0.001uF
D910
MOSPEC20100
T901 1000uF/16V
PQ26/22.5 C914
4
O 12
R903 11
100K 2W
+
D911
MOSPEC20100
D901 8
O 7
FR107
6
80LL17T-5
3
R908
3.3 1/8W
2 O
Q901
2SK2996
FB901
C921 0.0047uF/250V
BEAD R921
470 1/8W
R914
0.27 2W
IC902 R922
PC123FY2 4P 1K 1/10W
C918 R923
0.1uF/50V 0 1/10W
IC903
H431BA
C919
0.01uF
ZD202
5.6V ZD201 C202
R204 5.6V 104/0805
10K 0805 R203
10K 085
C210
104/0805
R216
1 1M 0805
R217
62K 0805
C225
470uF/25V
C230
0.047uF/0805
104/0805
104/0805
0805
C240
0.1uF/0805
R230
0 0805
C243
0.1uF/0805
R235
0 0805
C245
0.1uF/25V
R240
0 0805
C246
0.1uF/0805
R242
0 0805
C247
0.1uF/0805
Page 25 of 69
HP L1902 Service Manual
12V
L903
73L-253-91L F902
5A/24V/1206
1000uF/16V
+ +
C915 C916 C917
470uF/16V 0.1uF/50V
ON/OFF
DIM
ZD902
12V/SMD
R924
1K 1/10W
R926
9.31K 1/10W
R925
1K 1/10W
R927
2.43K 1/10W
<Title>
INTERNAL POWER FOR PWPC1942LGH2
Size Document Number
B
Date: Thursday, December 25, 2003
C201 220uF/25V
Q204 FSI4532 C203
1 8 2.2uF/1206
S1N D1N
2 7 1 7 C204
G1N D1N
C206 10pF/3KV
3 6 2.2uF/1206
S2P D2P
4 5 6 10
G2P D2P
PT201
C207 80LL17T-16-LC C208
2.2uF/1206 10pF/3KV
Q208 FSI4532
1 8
S1N D1N
2 7 2
G1N D1N
3 6 D201 3
S2P D2P
BAV99
4 5 1 R208
G2P D2P
3M 1/2W
1
D203 3
BAV99
2 152 / 0805
R212
3.6K 0805
R213
NC 0805
Q209
FSI4532
1 8 C231
S1N D1N
2.2uF/1206
C229 2 7
G1N D1N
3 6 C233
S2P D2P
2.2uF/1206
4 5
G2P D2P
C235 C234
2.2uF/1206
1 8
S1N D1N
2 7 1 7 C236
G1N D1N
10pF/3KV
3 6
S2P D2P
4 5 6 10
G2P D2P
PT202
Q210 80LL17T-16-LC C238
FSI4532 10pF/3KV
2
3
1
D206
BAV99 R224
3M 1/2W
1
D209 3
BAV99
2
R228
3.6 K 0805
R229
NC 0805
+12V
12V +5V
CN902
2 1
4 3
6 5
8 7
10 9
12 11
14 13
16 15
CONN
connect pitch 2.5mm
Rev
2
Sheet 1 of 3
CN201
1
2
C205
5pF/3KV
C209
5pF/3KV
CN202
1
2
2
D202 3
BAV99
1
R210
C215 470 0805
C216
222/0805
R215
470 0805 1
R218
1K 0805 R246 3
470 0805
2 D204
BAV99
CN204
33L8021-2D-AC
1
C237
2
5pF/3KV
C239
5pF/3KV
1
2
2
D207 3 CN205
BAV99 33L8021-2D-AC
1
C241 C242
R227
152 0805 222 0805 470 0805
R234
R239 470 0805 1
1K 0805
R247 3
470 0805
2
D210
BAV99