Schematic Diagram; Main Board - Dell E178FPC Service Manual

17" LCD Color Monitor

7. Schematic Diagram

7.1 Main Board

CN405
11
12
13
14
15
HSI FB409
VSI
D408
ZMM5V6
D411 D412
ZMM5V6 ZMM5V6
1 RED+
6 RED-
2 GREEN+
7 GREEN-
3 BLUE+
8 BLUE-
4 PC5V
9 PC5V
5 VGA_CON
10
DB15
D403 D404
BAV99 BAV99
D406
ZMM5V6
C439 C440
0.1uF 16V 0.1uF 16V
1 120 OHM 2
R448
D409 C442 R449
ZMM5V6 22pF
SCL_VGA
SDA_VGA
4 DDCA_SDA
4 DDCA_SCL
R460 0Ω 1/10W
R461 0Ω 1/10W
R462 0Ω 1/10W
R438 R439
75 OHM +-1% 1/10W R440
75 OHM +-1% 1/10W
75 OHM +-1% 1/10W
D405 +5V
BAV99
R455
1KΩ 1/10W
C441 D413
0.1uF 16V
ZMM5V6
R446 1KΩ 1/10W
R447 1KΩ 1/10W
VCC3.3 PC5V
C443
2,4 VCC3.3
22P 50V
D407
BAT54C
R450
R452
R451
8
7
R453 100Ω 1/10W 6
R454 100Ω 1/10W 5
Title
Size Document Number
A
Date:
32
R434 56Ω 1/10W C432
0.047uF
R435 56Ω 1/10W C433
0.047uF
R436 56Ω 1/10W C434
0.047uF
R437 NC C435 NC
c a n c e l
C 4 3 5 / R 4 3 7
R441 100Ω 1/10W C436
0.047uF
R442 100Ω 1/10W C437
0.047uF
R443 100Ω 1/10W C438
0.047uF
+5V
+5V 2,4
R444
10KΩ 1/10W
R445 100Ω 1/10W
D410
ZMM5V6
PC5V 2
U404
C444
1 0.1uF 16V
VCC A0
2
WP A1
3
SCL A2
4
SDA GND
M24C02WMN6
DDC_WP 4
AOC TSUM16AL
G1565-1G-2-DEL-2-070313
Tuesday , March 13, 2007 Sheet 3 of
Dell E178FPC
RIN 4
GIN 4
BIN 4
SOG 4
GNDR 4
GNDG 4
GNDB 4
DET_VGA 4
HSY NC 4
VSY NC 4
Rev
G
5