Power Board - AOC LM2028 Service Manual

6.2 POWER BOARD

BD901
U4KB80R
2 3
C905
+
150uF/450V
2 3
L902
73L174-29-L C908
1 4 0.1U_50V
C904 0.1uF/250V
C923
0.001U_50V
2 3
L901
73L174-26-L R911
1 4 24K /0805_1%
C903 0.47uF/250V
NR901
61L58-050-WT
R915
R901 R928 R902 30K /0805
680k /1206 680k /1206 680k /1206
F901
2.5A/250V ZD901
C901 C902 RLZ20B
102PF/250V 102PF/250V
R917
100 /0805
FG
C912 (NC)
0.1U/0805/X7R
SW901 77L 306 14 S
J901(NC)
SW SPST
JUMPER1
2 1
AC INPUT
CN901
AC Input Voltage AC Input Voltage
Range:90ac~264ac Range:90ac~264ac
‚ ñ SN[¶ u 5~ ô O î • D e™ N u(
PQ26/22.5
80LL17T-5
R906 R904 C906 R903
680k /1206 680k /1206 152P/1KV 100K _2W
R929 R905 D901
680k /1206 680k /1206 FR107
D902
D904
C922 (NC) PS102R
4.7uF
+ 0 /1206 + R908
R907 C907 7R5 /1206
680k /1206 22UF/50V
R930
680k /1206
R909
IC901 10 /1206 Q901
4 8 1 ST9NK60ZF
RI GATE
SG6841
FB901
5 6 BEAD
RT SENSE
R910
C909 1K /1206
N.C
R913 R914
R912 20K /0805 0.27 /2W
20K /0805
C910
102P_50V NPO
D903
1N4148/SMD
C911 R916
Q903 0.1uF/50V 4.7K /0805
PMBS3906
1
Q902
1 PMBS3904
R918
4.7K /0805
QQ:505966338
R919
47_1/2W_M
R920 C913
47_1/2W_M 102P_500V
D910
MOSPEC20100
4
O 12
11
+ +
T901 D911
MOSPEC20100
8
O 7 C914
1000UF/25V
6 C915
1000UF/25V
3
2 O
C921
4700PF/250V
R921
470 /1206
ZD902
12V/SMD
IC902 R922
1K /0805
PC123FY 2 4P
R924
1K /0805
C918
0.1U/50V/X7R R923
1K /0805
IC903
HTL431
C919 (NC)
0.01U/50V/X7R
Page 22 of 66
+12V
F902
0 /4A/1206
L903
73L-253-150L C917
0.1UF/0805/X7R
FB902
C916 +
470UF/25V
BEAD
C920
+
1000UF/16V
CN902 33L800916W H
+12V
2
4
ON/OFF 6
ON/OFF
BRIGHT
8
BRIGHT
10
/SD 12
/SD
VOLUME 14
VOLUME
16
PC_R_IN
connect pitch 2.5mm
R927
9.31K /0805_1%
R925
1K /0805
R926
2.43K /0805_1%
<Title>
INTERNAL POWER FOR PWPC2062AUE1
Size Document Number
B
Date: Friday , September 10, 2004
AOC LM2028
V12A
V12B
+5V
1
3
5
WL_POWER
7
MUTE
9
11
A_L
13
A_R
15
PC_L_IN
CONN
Rev
2
Sheet 1 of 3