AOC LM2028 Service Manual page 21

‚ ñ SN[¶ u 5~ ô O î • D e™ N u(
Le ave 1sq inch- e xpose d copper are a attache d to Tab of U802
CN901 is supply input and signal output Connector.
+5V
+5V
R87
10K 1/16W (NC)
R90
1
10K 1/16W (NC)
R92
1 Q6
6 ON_PBACK
PMBS3904 (NC)
NC
GND
GND
R97
10K 1/16W
+5V
R100
1K 1/16W
R101 10K 1/16W
R103
1 Q9 C62
5 ADJ_PWM
PMBS3904
4.7K 1/16W 0.1uF/16V
GND GND
Vcc3.3 for
Analog
U9
+5V +3.3AVDD
VI VO
C66 + C67
TC11
0.1uF/16V 47uF/16V 0.1uF/16V
AIC1084-33CE
Vcc3.3 for
Digital
U12
+5V +3.3DVDD
VI VO
C77 + C78
TC16
47uF/16V 0.1uF/16V
0.1uF/16V
AIC1084-33CE
+3.3DVDD
+3.3DV1
5 +3.3DV1
pin162,pin182
L11
600 OHM
C84 + TC19 C85 C87
10uF/16V
0.1uF/16V 0.1uF/16V 0.1uF/16V
+3.3DVDD
L14 +3.3DV2
pin66
+3.3DV2 5
600 OHM + TC22 C96 C97
10uF/16V
0.1uF/16V 0.1uF/16V
Remove C94/C95/U13
+3.3DV1=>LCD I/F Pad
+3.3DV2=>Host bus
0414
+5V
+12V
3,6 +5V
C55 TC6
+
C58 0.1uF/16V
47uF/16V
0.1uF/25V
R85
CN12
10K 1/16W GND
GND 2 1
4 3
ON/OFF ON/OFF
6 5
BRIGHT
8 7
10 9
12 11
Q5 14 13
PMBS3904 16 15
C60 + TC9
CONN
0.1uF/25V 47uF/25V
GND
BRIGHT
+3.3AVDD for
AVDD_DVI
pin4,pin10
AVDD_DVI
+3.3AVDD
AVDD_DVI 5
L4
600 OHM
C68 C69
+ TC12
10uF/16V
0.1uF/16V 0.1uF/16V
+3.3AVDD for
AVDD_PLL
AVDD_PLL
+3.3AVDD
AVDD_PLL 5
L6
600 OHM pin12
TC15 C76
+
10uF/16V
0.1uF/16V
+3.3AVDD for
AVDDA
pin17,pin34
+3.3AVDD AVDDA
L9
AVDDA 5
600 OHM
+ TC18 C82 C83
10uF/16V
0.1uF/16V 0.1uF/16V
3.3V(6251) for
AVDD_PLL2
AVDDPLL2 pin109
+3.3AVDD
AVDDPLL2 5
L13
600 OHM
+ TC21 C95
10uF/16V
0.1uF/16V
+3.3V for
VDD_MPLL
+3.3AVDD
VDD_MPLL pin204
L15
VDD_MPLL 5
600 OHM
TC24 C104
+
10uF/16V
0.1uF/16V
QQ:505966338
+12V
ON_PANEL
6 ON_PANEL
Vcc2.5
U10 +2.5V
+5V
3 2
VI VO
C70
C71 C72
0.1uF/16V + TC13
47uF/16V 0.1uF/16V 0.1uF/16V
+2.5V +APLL
Audio PLL L7
+APLL 5
600 OHM
2.5V
TC17 C79
+
pin49 10uF/16V
0.1uF/16V
2.5V for
VDDC
pin63,pin79,pin131,
pin156,pin173,pin185,pin195
+2.5V
L12
600 OHM
+ TC20 C88 C89 C90 C91 C92 C93
10uF/16V
0.1uF/16V 0.1uF/16V 0.1uF/16V 0.1uF/16V 0.1uF/16V 0.1uF/16V
pin86, pin102,pin113
+2.5MVDD(DDR) for VDDM
,pin125,pin139,pin154
+2.5MVDD
+2.5MVDD 5
TC23 C98 C99 C100 C101 C102 C103
+
10uF/16V
0.1uF/16V 0.1uF/16V 0.1uF/16V 0.1uF/16V 0.1uF/16V 0.1uF/16V
Page 21 of 66
+5V
PANEL_PWR_IN
R102
0 1/16W
R104
+ TC10 C63
R105
U8
NC 47uF/25V 1uF/16V 1
S1 D1
100K 1/16W 2
G1 D1
3
S2 D2
4
G2 D2
R106 SI9953DY -T1
1 Q10
PMBS3904
10K 1/16W C64
1uF/16V
GND GND
+2.5MVDD
U11 +2.5VM
+5V
3 2
VI VO
C73
TC14 + C74
0.1uF/16V
0.1uF/16V
47uF/16V
+2.5MVDD +2.5V_DMC
L8
+2.5V_DMC 4
600 OHM
C80 C81
0.1uF/16V 0.1uF/16V
+2.5V_DMQ
L10
+2.5V_DMQ 4
600 OHM
C86
VDDC 0.1uF/16V
VDDC 5
C94
0.1uF/16V
Title
07. Power
Size Document Number
C
Date: Friday , August 27, 2004
AOC LM2028
8
Panel_Power 5
7
6
5
+2.5MVDD
L5
600 OHM
C75
0.1uF/16V
Rev
A
Sheet 7 of 7