Dell E228WFPc Service Manual page 37

22"LCD Color Monitor
8/16 M odifie d
CN601
R616
NC
GND
1 2
GND
3 4
(3)
5 6
Burst CTRL
GND
7 8
R613
VCC5V
9 10
NC 11 12
Audio-Det+
Audio cut+
CONN
R614 +5V
NC R611 R612
NC NC
8/16 M odifie d
R602
+3.3V_VDD NC
R617
GND GND R603
1KΩ 1/10W
1KΩ 1/10W
R604
Q601
(3) BRIGHTNESS
PMBS3904
1KΩ 1/10W
R615
NC GND
8/16 M odifie d
4/19/2006 穝糤 R617 for Brightne s s adjus t. +5V
R605
47KΩ 1/10W
R609
Q603
(3) PPWR
PMBS3904
47KΩ 1/10W C616 C614
NC 0.1uF 16V
GND
+12V
ON_OFF
R601
PBIAS (3)
4.7KΩ 1/10W
VCC12V
+5V
GND
VCC5V
1.435A C601
220uF/25V
GND
+ C606 C608
NC 0.1uF 16V
C609 +5V
220uF/25V +
GND D601
NC
GND
+VLCD +5V +3.3V_VDD +12V
3
R606 R607 R610
R608 Q602 0Ω 1/10W NC NC
AO3401
1
47KΩ 1/10W C617 2
C618
NC
0.22UF16V
+
C615
22uF/50V
GND
︹伴 EMI Solution
︹伴 EMI
Solution, Layout穝糤
+5V
+3.3V_VDD
U601
142m A
3 2
VIN VOUT
1
ADJ
C603
+
AIC1084-33PM
GND GND GND GND GND
GND
C619 U602
AZ1117D-1.8-E1
1000pF/50V L307
120 OHM
+1.8V_VDD
D602
NC 204m A
C611
C612 220uF/25V C613
+
C610
+
22uF/50V 0.1uF 16V 0.1uF 16V
GND GND GND GND GND
T P V ( Top
絬 隔 瓜 絪 腹
Key Component
Date
37
+
Victory Electronics Co . , Ltd. ) OEM MODEL
DELL E228WFP
TPV MODEL
TC7GGHHKWDDLHN
G2089-1-del-X-4-071015
06.power PCB NAME 715G2089-1
Sheet 6 of
M onday, A ugust 20, 2007
Dell E228WFPc
Size B
Rev 1.0
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