Dell SP2009W - Widescreen LCD Monitor Service Manual page 39

20" LCD Color Monitor
CN701
1 BKLT_EN
2 BKLT_ADJ
3
4
5 GND
6 GND
7 +5.1V
8 +5.1V
9 GND
10
GND
11
AUDIO_EN
12 AUDIO_DET C702 C703 C704
0.1uF 16V 0.1uF 16V 0.1uF 16V 0.1uF 16V
CONN
GND
VCC_LCD1
+
C717 R718
47uF/16V 10K 1/16W 5%
R721 R720
GND 10K 1/16W 5% 56K 1/16W 5%
D701 LL4148
R723
Q709
2N3904S-RTK/PS
R722
47K 1/16W 5%
Q708
2 LCD_EN
2N3904S-RTK/PS
4K7 1/16W 5% GND
GND
+5V
U703 +3V3
IC AIC1117-33PY TR-R SOT-223
3 2
2,5,7 +5V VI VO
+
C775 + C713 C638
220uF/35V 47uF/16V 47uF/16V
GND
+5V
Q701
1 8
S D
2 7
S D
3 6
S D
C776 + 4 5
G D
220uF/35V R716
10K 1/16W 5% AO4411
GND
R717
Q706
2 OFF
2N3904S-RTK/PS
4K7 1/16W 5%
GND
+3V3
R703
4K7 1/16W 5%
R704 100R 1/16W 5%
R705 100R 1/16W 5%
R706 100R 1/16W 5%
R707 100R 1/16W 5%
FB704 120 OHM
FB702 120 OHM
+5V
FB703 120 OHM
VCC_LCD1
C705 C706
C707
0.1uF 16V 0.1uF 16V
VCC_LCD2
Q707 FB701 120 OHM
AO4411
VCC_LCD2
1 8
S1 D1
2 7
S1 D1
3 6
S1 D1
C718 4 5 R719 R790
+
G1 D1
C637 C721 220R 1/4W 5% 220R 1/4W 5%
0.22uF 22uF/16V 0.1uF 16V
GND
C710
100uF/16V
+5VD
+3V3 2,5,7
+
R713
33K 1/10W 5% C719
0.001uF
+5VD
C708 + + C709
220uF/35V 100uF/16V
GND GND
AUDIO_DET 2
Q702
2N3904S-RTK/PS
+3V3
R784
1K 1/16W 5%
R785
Q719 4K7 1/16W 5%
BKLT_ADJ 3
2N3904S-RTK/PS
Q705
2N3904S-RTK/PS
GND
VCC_LCD2 3
+5VD
+5VD
U701 +3V3D
3 2
+3V3D 3
VI VO
3
+ +
C711
47uF/16V
IC AIC1117-33PY TR-R SOT-223
GND
Q704 L707
AO3401 22uH
R591
U704 D702 22R 1/10W 5%
8 4 SBM84PT
VIN FB
C720
7 3 0.001uF
PGATE N.C
6 2 GND C716
PWGND AGND
0.001uF
5 1
ADJ ISENSE
GND
LM3485
GND
T P V ( Top Victory Electronics Co . , Ltd. )
絬 隔 瓜 絪 腹 G3079-D-X-X-1-080424
Key Component 6. Power
Date Thursday , April 24, 2008
39
+3V3
R702
10K 1/16W 5%
R709
4K7 1/16W 5%
AUDIO_EN 2
GND
+3V3
R712
10K 1/16W 5%
R715
4K7 1/16W 5%
BKLT_EN 2
GND
U702 +2V5_VDDM
TO-252-GOI
2
+2V5_VDDM 3,4
VIN VOUT
+ C712
47uF/16V
GND
+1V8
+1V8 3
+ C714 C715
0.001uF
R590 100uF/16V
15K 1/10W 5%
R589
31.6K OHM 1% 1/10W
GND
OEM MODEL Size B
DELL SP2009W
TPV MODEL SP2009W Rev A
PCB NAME 715G3079-C
<称爹>
称 爹
Sheet 6 of 7
Dell SP2009Wc