22’’ LCD TV AOC L22W765
33
9. Schematic Diagram
9.1 Main Board
TV1_CVBS
3
R731
0 1/10W
IF_AGC
+
C733
470uF/16V
VCC3V3_G9
LOCK
C726
560pF
+
C740
NC
R715
4.7K 1/10W
+
C732
470uF/16V
TV1_CVBS
VCC5_0
VCC5_0_T1
R730
10K 1/10W
TV_OUT
L712
NC
R708
3.3K 1/10W
TU_5V_SW
9
R2050
470 1/10W
+
C724
10uF/16V
GREEN
FB712
600OHM
1
2
Demodulator
U401A
ZR39760BGCG-A1
R5
P5
T15
N1
P2
R1
R2
R4
W1
N2
D13
T6
T5
R3
N4
P3
RF_AGC
IF_AGC
DEMOD_LOCK
DEMOD_FAIL
SIF_IN
IFE_AIN_N
IFE_AIN_P
PARAM[0]
PARAM[1]
SIF_TRM
PARAM[2]
I2C_TNR_CLK
I2C_TNR_DAT
IFE_VDD1V8
IFE_GND1
IFE_GND2
TU_SDA
R701
100 1/10W
R702
100 1/10W
C713
22pF
R729
4.7K 1/10W
R728
0 1/10W
Place parts very close to TU1.
L701
NC/0.22uH
C709
NC
VCC5_TU
R703
47 1/10W
LED701
NC
2
3
1
4
C703
47pF
VCC5_0_T1
FB706
600OHM
+
C731
470uF/16V
R709
3.3K 1/10W
C725
0.0015uF
FAIL
Tuner / Demodulator
TU_SDA
C712
22pF
C735
0.001uF
C710
NC
FB701
600OHM
C706
0.1uF
R727
NC
*Place very close to TU1 pins.
R733
NC
TV_OUT
VCC1V8_G9
C734
0.1uF
C705
0.1uF
C737
0.1uF
R713
2K 1/10W
TU_SCK
L702
NC
1
2
3
Q702
2SA1037AK(R)
R734
NC
R726
NC
DTT76832
SIF
C739
0.01uF
FB703
600OHM
1
2
R732
NC
C736
0.001uF
TU_SCK
Q701
2SC2412KR
C715
0.1uF
VCC5_0_T2
VCC5_TU
TU1
TUNER
22
21
14
17
18
16
20
13
12
11
19
15
10
9
8
7
6
5
4
3
2
1
23
24
25
TH1
D-
IF
O
U
T
2
SC
L
IF_
O
U
T
IF_
A
G
C
AS
D-
IF
O
U
T
1
NC
3
G
ND1
VT
G
ND2
SD
A
NC
2
NC
1
VC
C
2
AF
_OU
T
D
C
_F
EED
RF
_
A
G
C
C
VBS
SI
F
VC
C
1
OO
B
_O
U
T
TH2
TH3
TH4
TV3267W-8AD
1
L32W761
Custom
2
15
Tuesday , September 04, 2007
715T2486
<
称爹
>
02-Tuner and Demodulator
T2486-1-X-X-5-070904
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
C708
0.001uF
TV1_CVBS
C738
4.7uF/25V
VCC3_3
R2051
NC
VCC5_0_T1
FB704
600OHM
1
2
VCC5_0_T2
SIF
*Place C708 very
close to TU1.
R725
4.7K 1/10W
Q703
NC
YELLOW
C702
NC/56pF
Содержание L22W765
Страница 12: ...22 LCD TV AOC L22W765 12 2 3 How to Connect ...
Страница 13: ...22 LCD TV AOC L22W765 13 2 4 Front Panel Control Knobs ...
Страница 17: ...22 LCD TV AOC L22W765 17 3 Remove the shield 4 Remove the main board power board ...
Страница 18: ...22 LCD TV AOC L22W765 18 6 Remove the key board IR board speaker 7 Relax the clips to remove the bezel ...
Страница 24: ...22 LCD TV AOC L22W765 24 6 PCB Layout 6 1 Main Board ...
Страница 25: ...22 LCD TV AOC L22W765 25 ...
Страница 26: ...22 LCD TV AOC L22W765 26 ...
Страница 27: ...22 LCD TV AOC L22W765 27 6 2 Power Board ...
Страница 28: ...22 LCD TV AOC L22W765 28 ...
Страница 29: ...22 LCD TV AOC L22W765 29 6 3 Key Board 6 4 IR Board ...
Страница 49: ...22 LCD TV AOC L22W765 49 10 Exploded View ...