AOC LE32D3330, Service Manual

Page: 45 / 114

45
9. Schematic Diagram
9.1 Main Board
715G5091M01000004K
BRIGHT_ADJ
INVERTER_ON_OFF
R732
0R05 4A 1/4W
R7
2
0
N
C
/15K 1/
10W
C1147
1N 50V
C1148
1N 50V
3V3SB
LO = > POWER_OFF
HI = > POWER_ON
C1149
1N 50V
24V 24V
DVDD3V3
R730
4.7K 1/10W
Q706
NC/MMBT3906 PNP 1
2
3
R722
2K 1/10W INV ERTER ON/OFF
H: OFF
L: ON
Q704
MMBT3904
R721
NC/4K7 1/10W
+5V_SW
R726
10K 1/10W
BL_ON/OFF
INVERTER ON/OFF
C725
10uF 10V
CN701
CONN
1
2
3
4
5
6
7
8
9
10
11
12
13
+ C715
100UF 16V
H:10.5mm +
C719
100UF 16V
+24V 11
modify vcck feed back voltage
+24V
08/30 change
to 10*9
+5V Switch
H:7.7mm
1.2 x (1+ 0/110) = 1.2V
+
C728
100UF 16V
+ C710
100UF 16V
C731
10N 50V
H:7mm
EMI solution 09/01/11"
BL_ON/OFF
DVDD3V3
U701
G1084-33TU3Uf
VIN
3
VOUT
2
GN
D
1
Bright_Adj
M ax:3.3V
M in: 0V
SMD H=7.7
BRIGHT ADJUST
+5V_SW 5,7,10,12,13,14,15,16,17
09/01 change temp
+5V_SW
H:7.7mm
4K7
C127
CM O26W/
SEC32F/SEC40F
N/C
DC-CONTROL
(3V3)
R119
NEW Inverter
lm p 28K
22U
SEC32W AP12
22U
SEC32W AP12
OLD Inverter lm p
260K
PWM CONTROL
BKL CONTROL
TYPE
REMARK
4K7
26",32",40"
N/C
R120
DC-CONTROL
(5V)
1K
100R N/C
R123
5K6 N/C
15K
N/C
R624
N/C
5K6
N/C
N/C 4K7
2K 3V3
R721 R722
INVERTER
ON/OFF
5V
+ C704
220uF 16V
U702
TJ3940S-3.3
VI
3
VO
2
GN
D
1
4
4
Detection
FB701 120R/6000mA
1 2
R705
1K 1/10W
INVERTER_ON_OFF
24V
BRIGHT_ADJ
BL_DIMMING
C705
1uF 25V
STANDBY 13
C709
10uF 10V
+12V
+24V
FB704 120R/6000mA
1 2
R706
100K 1/10W
+5VSB
Vout = 0.8x(R1+R2)/R2
R1
R2
GMT
STANDBY 13
STANDBY
ZD116
RLZ6.8B
1
2
MAIN POWER
(+16V) for 22"
OEM MODEL Size
Rev
Date Sheet of
TPV MODEL
PCB NAME
称爹
T P V ( Top Victory Electronics Co . , Ltd. )
Key Component
絬 隔 瓜 絪 腹
A
B
2 18 Thursday , January 05, 2012
715G5091-M0G-000-0040
称爹 < >
SY STEM POWER
C712
0.1uF 50V
R
723
N
C
/4K7 1/
10
W
Q702
AON4421
D
1
D
2
D
3
G
4
S
5
D
6
D
7
D
8
U703
AT1529F11U
VCC
1
REF
2
GND
3
FB
4
EN
5
PGND
6
LX
7
VIN
8
E-PAD
9
C716
0.1uF 50V
C727
1UF 10V
Q705
MMBT3904
FB707
80OHM 4A
1 2
R728
100R 1/10W 5%
C726
NC/22 10V
R709
10OHM1/10W
R724
1K 1/10W
R704
51K 1/10W
C706
NC/4U7 6V3
U705
G912T63U
VI
3
VO
2
GN
D
1
L701
4.7uH
C718
10uF 10V
R7
0
3
22K 1/
10W
R735
10K 1/10W
R731
4.7K 1/10W
C713
0.1uF 50V
Q703
BC847C
C717
10uF 10V
C714 180P 50V
C708
1uF 25V
R714
4.7K 1/10W
C721
1uF 25V
C720
1UF 10V
R725
4.7K 1/10W
R712
1K8 1/10W 1%
R707
2.7K 1/10W
R715
1K 1/10W
C711
1UF 10V
R713
100R 1/10W 5%
C702
1uF25V
C707
1uF 25V
3V3SB
+5VSB
AVDD1V2
DVDD3V3
3V3SB
+5VSB
+5V_SW
+5VSB
DVDD3V3
VCCK
DVDD3V3 +5V_SW
DVDD3V3
AVDD3V3
+5VSB
3V3SB
+12V
VCCK
VCCK
AVDD1V2
AVDD3V3
+5V_SW
BL_ON/OFF 13
BL_DIMMING 13
OPWRSB 9
DVDD3V3 4,5,7,8,9,10,11,12,13,14,15,16,18
VCCK 9
GND 3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18
3V3SB 6,7,9,13,17
+5VSB 3,4,6,9,17
+12V 14,17
AVDD1V2 7,8,9,12,14,15
AVDD3V3 4,5,7,8,9,10,11,12,13,14,15,16,18
R733
NC/1K 1/10W
OPWRSB
R734
NC/1K 1/10W
OPWRSB
Control Interface
BL_DIMMING