Power Board - Lenovo L172 Service Manual

17" LCD Color Monitor

6.2 Power Board

715G1813-1
N
R900
680K
R901
VAR901
C908
680K
CN901
0.47uF/275V
varistor_NC
3
AC SOCKET
R902
680K
NR901
F901
L 1 1 2 2
FUSE 3.15A 250V
SCK084
BRIGHTNESS
BL_CTL
PANEL_ID
+12V
12 +
C951
11
10 220u/25V
0.1uF/25V
9
8
7
6
+5V
5
F902
4
3
2
1 FUSE_5A/250V_NC
+
C955
2 1 0.1uF/25V 220u/16V
CN951
J912
HARNESS 12P-12P 120mm
L902
S901
1 2
C8B-R6H
spotgap_NC
C900
0.001uF/250V
-
L901 4
7mH
BD901
C901 U4KB80R
L903
0.001uF/250V
S902
1 2
spotgap_NC C8B-R6H
C913
0.1uF
D905
P4KE_NC
R912
C914 1M
1uF
2 1
R923 8K66_1%
C915 R914
1K24_1%
0.012uF/25V
L951
1 2 +12VCC
0.8uH
R952 R953
C952 10 1K 1/4W_NC
R951
ZD951
P6KE8.2A L955
1 2
5VA
0.8uH
C956
+
1
R904 R905
1.5M/R1206 100K/1W
+
C907
100uF/450V
R907 R910
15K/R1206 1.5M/R1206
IC901
D918
1N4148
1 8
R915 10
2 1 1
2 7
R918 150R
2 1
3 6
R917 33K
R916 1.5K
4 5
C917 R955
0.33uF/25V
22K _NC
D919
TEA1532
RGP10D
D926
2 1
R926
RGP10D
2
R927
+
C927
68u/25V
C903
1 2
FB903
BEAD
0.001uF/250V
20
R931
1 2
2R2_1206
C931
R932
2 1 1 2
2R2_1206
3.3nF/500V
T901
4
11
12
C920 D931 +
MBRF10H100CT-45 C932
0.001uF/1KV
5 1000uF/25V
O
D901 7 R935
BYT42J 8 1 2
2R2_1206_NC
6
C935
FB901
R936
BEAD 2 2 1 1 2
9
2R2_1206_NC
10 3.3nF/500V_NC
1
D935
Q901 POWER X'FMR STPS10L45CFP +
STP7NK80ZFP C936
C912 2200uF/16V
2 1
FB902
0.0022uF/400V BEAD
R920
0.2R/1W
0R
1
4.7K_1206
IC902
R943
TCET1103
5.1K 1/10W
R944
R941
9.1K/0805_1%
220
0.0056uF
C941
C942
R954 R942
10 1/10W 2 1
27K _NC
4.7nF/25V_NC
ZD975 IC941
R945
KIA431A
RLZ5.1B
9.1K_1%
FB905
BEAD
Lenovo L172
+12VCC
+
C933
1000uF/25V
Lie down
5VA
R937
1.8K_1/8W
ZD949
RLZ12B_NC
R946
110K_1%
R949
100 1/10W_NC