AOC HP L1906 Service Manual page 23

19" LCD Color Monitor
CN601
GND 1 2 ON_OFF
GND
3 4
VCC12V 5 6 VCC12V
GND GND
7 8
VCC5V 9 10 VCC5V
GND GND
11 12
CONN
+5V
R602
1K 1/16W
R604
Q601
(3) BRIGHTNESS
PMBS3904
1K 1/16W
GND
+P12V
R605
10K 1/16W
R608 100K
PWR-Ctrl
R609
Q603
(3) PPWR
PMBS3904
10K 1/16W C614
0.1uF/16V
GND
+12V
R601 4.7K 1/16W
+5V
1.471A
GND
C606
C605 C607 C608
+ +
0.1uF/16V 220uF/25V 0.1uF/16V
220uF/25V
R603
GND
1K 1/16W
C609
1uF/25V
GND
+12V
+5V +P5V
L601
120 OHM
+3.3V_VDD +3.3PV_VDD
L603
120 OHM
+VLCD
+P12V
L604 +P5V
120 OHM
3
R606 R607
1/16W Q602
NC
0 1/16W
AO3401L
1
2
C616
0.1uF
+
C615
22uF/50V
GND
PBIAS (3)
+5V
+
C601
22uF/50V 0.1uF/16V
GND
+5V
D602
FA20-04
D601
FA20-04
+
C610
+P12V
22uF/50V
L602
GND
120 OHM
+VLOG +3.3PV_VDD
3
R610 NC Q604
PWR-Ctrl
AO3401L
1
2
C618
NC
+
C617
NC
GND
23
U601
3 2
VIN VOUT
1 144mA
ADJ
C603 C604
AIC1084-33PM 0.1uF/16V
GND GND GND
U602
182mA
3 2
VI VO
C612 + C613
C611 0.1uF/16V
100uF/25V
GND GND GND
0.8A-max
GND
Title
Size Document Number
B
Date: Friday, April 01, 2005
HP L1906
+3.3V_VDD
C602
+
100uF/25V
GND
+1.8V_VDD
POWER
Rev
A
Sheet 1 of 6