AOC LE32K0D7D(U), Service Manual

Page: 38 / 245

38
+12V/5V
DV33
AV12
DV33SB
AV33
PANEL_VCC
C758
10uF 10V
Panel VCC=12V
G1117T43
C775
10uF 16V
DV33 TO AV12
Vo=1.25 x (1+1R/120R) = 1.25V
+5V1_TUN
Vo=1.25 x (1+1R/120R) = 1.25V
+5V_TUNER +12V/5V
PANEL_VCC_ON/OFF
+5V_TUNER
+5V_SW
PANEL_VCC_ON/OFF
SMD/0402
C774
330NF 16V
DV12
0.5((39K+2.4K+4K7)/4K7)=4.90V
+5V_TUNER FROM Regulator
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
2
Custom
5 20 Tuesday , July 13, 2010
715G4001-1
CL90016
05. POWER-2
R752
5.1K 1/10W
R757
1 OHM 1/10W
R750 10K1/16W
R755
10K 1/10W
C759
NC/10U 10V
R7
6
0
N
C
/2.
4K
1%
C776
22uF 10V
D
1
D
2
D
3
G
4
S
5
D
6
D
7
D
8
Q750
Si5403DC-T1-GE3
R
761
N
C
/4
K
7
O
H
M
1/
10
W
1%
R762
120R 1% 1/10W
VIN
3
GN
D
1
VOUT
2
TH
4
U754
G1117T63Uf
VIN
3
VOUT
2
G
ND/A
D
J
1
U753
+
C753
NC/100UF 16V
VI
3
VO
2
GN
D
1
4
4
U751
G1117-33T63Uf
C756
NC/100N 16V
C765
1UF16V
+5V_STB TO DV33SB
C757
NC/10U 10V
C754 1UF16V
R7
5
9
N
C
/39K
1/
10
W
1%
+5V_STB
NC
1
EN
2
VIN
3
NC
4
GND
8
FB
7
VO
6
NC
5
TH
1
9
U755
NC/SC4215HSETRT
R763
1 OHM 1/10W
C767
10uF 10V
+
C752
NC/100UF 16V
Q751
BC847C
R758 7K5 1/10W 5%
1 2
FB750 NC/220R/2000mA
R756
120R 1% 1/10W
+5V_STB DV33SB
PANEL_VCC +12V/5V
AV12 DV33
DV33
EC060-25-AI
DV12
EC060-25-AI
+5V1_TUN +5V_TUNER
PANEL_VCC_ON/OFF 8
DV33 4,6,7,8,10,11,14,15,20
SMD/0402
+5V_SW 4,8,10,11,12,13,14,15,16,20
DV33SB 10,13,14,15,20
+12V/5V 4,12,15,16
+5V_STB 4,8,10,15
AV12 7,8,9,14,20
GND 4,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20
PANEL_VCC 20
+ C768
100UF 16V
AV33 4,8,14,20
+5V1_TUN 4
DV12 6
+5V_TUNER 6
DV18_DDR 4,9
DV18_DDR
GN
D
2
OUT
3
IN
1
U752 AS7805DTR-E1
C773
100N 16V
DV33 TO DV12 for DVBC Demod
ON OFF
C766
10uF 10V
1 2
FB751 220R/2000mA
PANEL_VCC ON/OFF:(GPIO5)
Normal:High
Stand_By:Low
C764
22uF 10V
GND
C769
10uF 10V