Dell E1709W - Power Board Components Schematic

Service Manual
55
Q850 AP2761
2
13
D852 SF10-04
VZ850
10561 NC
+
C878
10u/50V
Signal_GND
ON/OFF
+5V
RT850
5R4A
C871
1000P/1KV
C4
47uF/16V OPEN
+
C864 680u/25V
D856 SB515
R851 750K
CN851
SIP-8P
2 1 4 3 7 6 8 5
+5V +5V GND GND PID DIM Audio_On/Of f ENA
C861 1000p/1KV
C876
0.1/50V
Cathode
Snubber
C431
D851
FR10-10-LF
DIM
+
C854 68u/450V
C875
4700p/250V
C863 1000p/1KV
PID_Input
R871 270K
AC INPUT(90V~264V)
I850 LTV817M
3
14 2
R855 10K
Signal_GND
R861 3.6K 1%
. .
.
T850
SPW-119
5
8
6
7
3 1
12 11 9 10
C852
0.47uF X2
+
C858
470u/25V
-+
D850
BL4-06
3
1
2
4
L850
CHK-007
4 3
1 2
R859
0R75 2W
C851
332 Y 2
R856
10R 1%
+5V
Snubber
C850
332 Y 2
+12V
Signal_GND
R850 750K
R880 20K
CN853 CON8PIN
4 5 6 3 1 7 8 2
Snubber C431 Ref Cathode Anode GND GND NA
C431
L851 CHK-053
CN850
HF-301PCB 7MM
1 3
2
Ref
+
C856 680u/25V
R2
1709 Power BD
A3
46Friday , August 29, 2008
Tit le Size Document Number Rev Date: Sheet
of
Signal_GND
CN852 CON8PIN
1 2 3 4 5 6 7 8
Gate
Isense
GND
FB
GND
VDD
NC
Vin
R853
0.2R 1W Fuse
D853
TVS-P6KE170A
L852 CHK-053
Cathode
R40 1K/Open
F851
5A/125V
R854 82K 2W
F850 3.15A 250V
C872
100P/1KV NC
R863 10R 2W
D857 SB515
C860 332 Y 1
ZD881 GDZ22B 22V/NC
Anode
L801
bead
1 2
TO INTERFACE
R858
5K1 1%
Ref
Anode
R857 270R