Schematic Diagram; Main Board - AOC LE39D1440/20 Service Manual

9. Schematic Diagram

9.1 Main Board

715G5801M0E000004K
Part
DC POWER INPUT form PSU
Reference
from 701
FB7002
120R/6000mA
TP363 L0805
TP365
CN701 TP366 1 2
1
BL_ON1_PWR
2 BL_PWM_PWR
3
PWR_12V C7002
4 10UF 25V
5
TP371 C1210
6
DGND
7
8
TP372 DGND
9
10 PWR_ON
11
12
13
TP373 FB7003
120R/6000mA
CONN TP374 L0805
1
DGND
FB7004
PWR_5V 120R/6000mA
L0805 D5V_STB
1 2
10UF 10V
DGND
Core Power(D1V1)
R7016
10R
R0402
C7017
100N 16V R7017
C0402 10K
R0402
U703
DGND
9
E-PAD
1 8
2.2uH 30%
VCC VIN
2 7
REF LX
3 6 L6005
4 GND PGND 5
C7020
FB EN
100N 16V C7021
C0402 AT1529F11U NC
56A379-92 DGND C0402
DGND DGND
Vout = 0.8x(1+R1/R2)
=1.114
R1=22K, R2=56K
range 為 1.05V(min) /
1.1V (typ) /
1.15V(max)
Vout = 0.6(1+Rup/Rdn)=3.33V
FB7012 TP386
D5V_STB
120R/6000mA
U701
1 2 4
VIN LX
L0805
GND
5
FB EN
C7054
C7053
10UF 10V 100N 16V AP3417C
DGND
Vddr=0.8*(1+R1/R2)=3.36V
D5V_STB
D5V_STB
R7002 R7003
+12V 1K R7004 10K 1/10W
TP364 R0402 NC R0603
R0603
PWR_ON TP367
PSU_ON
C7003
C7004
0.1uF 50V 100NF 25V Q7002 R7005
PMBS3904 1K
SOT23BEC R0402
DGND
DGND BL_PWM:
Normal:Max:+3V3, Min:0V
Stand_By:0V
Audio_PWR BL_ON1:
2 Normal: High
Stand_By:
C7009 C7010 C7011
Low
2.2UF 50V
C1206 2.2UF 50V 0.1uF 50V
C1206
TP376 DGND
DGND
C7013
C7014
100N 16V + C7015
C0402 220UF 16V
EC63
SMD
6.3 X7.7
DGND DGND
FB7005
120R/6000mA D5V
TP380 L0805
1 2
C7018
C7019
100N 16V
10UF 10V C0402
DGND TP384 D1V1 FB7007
1
R1 120R/3000mA
L0603
R7019
22K 1%
R0402
C7024 C7025
C7023 + C7052
R2 100N 16V 220UF 16V
C0402 10UF 10V 10UF 10V EC63
R7023
56K 1% 10/18(Mars)
R0402
DGND DGND DGND DGND DGND
BL_DIM(PWM for Bright_Adj):
Max: 0V
Min: +3V3
D3V3_STB
From
TP529 D3V3_STB
RTD2958i
2.2uH 30% R7082
3 NC/4.7K
2
L6006 R0402
1 BL_ADJ
DGND C7055 C7056 C7059
C7057
R1
R7072 10UF 10V 10UF 10V 100N 16V
1UF 10V BRIGHT ADJUST
10K R7073
R0402 4.7K 1%
DGND
BackLight_SW:
R7074
BackLight on: Low
1.02K 1%
R2
BackLight off:
High
DGND INVERTER ON/OFF
From
RTD2958i
DDR Power 1.5V
0.5A
DDR_POWER
Mac: 1.8V Pac': 2.5V
U702
D3V3 10K 1/10W
9
E-Pad
R733 1 8
DGND
2 POK GND 7
VEN ADJ
3 6
VIN VO
4 5
VPP NC
R7006
R1
3.01K 1%
G9661
R7013 C7006
10K 1/10W C716 100N 16V
C0402
10UF 10V
R7007
C7058 3.3K 1%
R2
2.2uF
DGND DGND
DGND DGND
Vddr=0.8*((R1+R2)/R2)=1.529V
A1V1
2
USB 5V
FB7011 TP362
D5V USB_5V
1 2
120R/3000mA
L0603
D3V3_STB D3V3_STB
R7029
4.7K 4.7K
R0402 Q7008 To PWR module
TP387 R0402
MMBT3906
R7021
R7033 R7025 BL_PWM R7035
NC/0R05 1/16W 0.05R
R7027 100R
R0402 R0402
4.7K R0402
Q7001 R0402 C7029
NC R7037
R7038 C0805 NC/12K 1/16W
4.7K PMBS3904
SOT23BEC DGND 120517_Mars
R0402
DGND DGND
DGND D5V_STB
D3V3_STB
To PWR module
D3V3_STB R7042
R7041 2K OHM R7043
NC R0402
R0402
R7083 BL_ON1
4.7K TP391
R0402
BL_EN 1 Q7011
R7045 PMBS3904 C7038
4.7K SOT23BEC 100N 16V
C0402
R0402
111021 EIT AC drop issue
DGND
Vddr=0.8*(1+R1/R2)=3.3V DGND
絬 隔 瓜 絪 腹
Key Component
43
PAGE LINK
Vout=1.5V
BL_ADJ
12 BL_ADJ
BL_EN
12 BL_EN
POWER_EN
12 POWER_EN
3/15_Mars
PSU_ON
12 PSU_ON
TP370
DDR_POWER
R7095
+ C7008 0.05R
100UF 16V
EC63
SMD
6.3
X7.7
D5V_STB
D5V_STB & D_5V switch
D5V
TP377
9/11(Mars) D3V3_STB
R7008
C7012
10K 1/10W
100N 16V
R0603
C0402
R7009 R7011
10K 1/10W 47K +-5% 1/10W Q7004
R0603 R0603
AO3401A
R7001
POWER_EN 10K Q7005
PMBS3904
C7016
SOT23BEC
0.1uF 50V
R7014
C0603
NC/10K C7049
NC/1uF 10V
DGND DGND
DGND D3V3
VCC33_STB & DVDD3V3 switch TP381
D3V3_STB
R7018
10K 1/10W C7022
R0603 100N 16V
Q7007 C0402
AO3401A
R7020
10K 1/10W 5%
R0603
R7024
10K Q7009 C7026
PMBS3904 0.1uF 50V
R7026 SOT23BEC
NC/10K C7050
1uF 10V
DGND DGND DGND
D5V
Tuner 3.3V
BL_PWM_PWR
FB7009
220R/2000mA
TP389 U704 TP390
G903T63UF
3 2
VIN VOUT
C7035
1uF 10V
BL_ON1_PWR
1K
DGND DGND
C7037
10UF 10V
DGND
T P V ( Top Victory Electronics Co . , Ltd. ) OEM MODEL TBD
G5801-M0A-000-0040-1
TPV MODEL TBD
04. POWER PCB NAME TBD
Date Thursday , May 23, 2013 Sheet 5 of 19
R1
R2
DGND
D5V_STB
R7012
100K 1/10W
R0603
DM3V3
FB7006
1 2
120R/3000mA
L0603
DGND
D3V3_STB
R7022
100K 1/10W
R0603
T3V3
FB7013
1 2
L0603
120R/3000mA
C7036
22UF 16V
DGND
Size C
Rev A
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