5
5
4
4
3
3
2
2
1
1
D
D
C
C
B
B
A
A
SDA_T
SCL_T
VCC_3.3V
AGC
DIF_N
TUNER-CTRL
AGC
DIF_P
TUNER-CTRL
VCC_3.3V
+5V_Normal
TUNER_3.3V
MS_SCL
8,22
MS_SDA
8,22
1230_MSCL
22
1230_MSDA
22
RF_AGC
8
DIFM
8,22
DIFP
8,22
Demod_IF_AGC
22
IF_AGC
8
TUNER_CTRL
8
Size
Project Name
Rev
Date:
Sheet
of
Title :
Engineer:
B
16
23
Monday, January 27, 2014
MAIN BOARD
1.01
L2400-MSD8841
Size
Project Name
Rev
Date:
Sheet
of
Title :
Engineer:
B
16
23
Monday, January 27, 2014
MAIN BOARD
1.01
L2400-MSD8841
Size
Project Name
Rev
Date:
Sheet
of
Title :
Engineer:
B
16
23
Monday, January 27, 2014
MAIN BOARD
1.01
L2400-MSD8841
Tuner
R419
121 Ohm
1
2
R423
4.7KOHM
1
2
R173
12KOhm
NC
1
2
FB37
120OHM
2
1
R618
10 OHM
NC
1
2
C330
0
.1
U
F
/1
6
V
1
2
C331
0
.0
1
U
F
/5
0
V
1
2
FB36
120OHM
2
1
R424
4.7KOHM
1
2
L9
120Ohm
2
1
R616
0 Ohm
1
2
C327
1
0
U
F
/1
0
V
1
2
C344
0.022UF/16V
1
2
C442
0.1UF/16V
NC
1
2
R422
200 Ohm
1
2
R434
1KOhm
1
2
C335
2
2
P
F
/5
0
V
1
2
C328
0
.1
U
F
/1
6
V
1
2
R429
33 OHM
NC
1
2
R437
1KOhm
1
2
R537
1KOhm
NC
1
2
R438
22KOHM
NC
1
2
C345
0
.1
U
F
/1
6
V
1
2
R174
0 Ohm
NC
1
2
R548
0 Ohm
1
2
R426
33 OHM
1
2
C333
1
0
U
F
/1
0
V
1
2
C339
0
.1
U
F
/1
6
V
1
2
C152
0.1UF/16V
NC
1
2
R430
33 OHM
NC
1
2
C334
0
.1
U
F
/1
6
V
1
2
C340
4
7
P
F
/5
0
V
NC
1
2
C342
4
7
P
F
/5
0
V
NC
1
2
C329
1
0
U
F
/1
0
V
1
2
TU2
TDSY_G230D
A
N
T
_
5
V
/G
N
D
1
V
C
C
2
I2
C
_
S
D
A
3
I2
C
_
S
C
L
4
IF
_
N
5
IF
_
P
6
A
G
C
7
G
P
IO
8
P
_
G
N
D
1
9
P
_
G
N
D
2
1
0
P
_
G
N
D
3
1
1
P
_
G
N
D
4
1
2
P
_
G
N
D
5
1
3
P
_
G
N
D
6
1
4
R436
0 Ohm
1
2
L8
120Ohm
2
1
R617
10 OHM
1
2
C336
2
2
P
F
/5
0
V
1
2
U17
APE1117AK-HF
ADJ/GND
1
OUT
2
IN
3
Vout
4
C341
4
7
P
F
/5
0
V
NC
1
2
R427
33 OHM
1
2
R435
9.1KOhm
1
2
C343
4
7
P
F
/5
0
V
NC
1
2
R615
0 Ohm
1
2
R614
10 OHM
1
2
Содержание 32L2453RB
Страница 1: ...SERVICE MANUAL LCD Color Television 32W2453RK 32W2454RK 32L2453RB 32L2454RB Model Information ...
Страница 5: ...REV 00 Apr 17 2014 ...
Страница 7: ...REVISION HISTORY REV Date Reason for Change 1 Dec 15 2014 Addition of AFTER MAIN PCB REPLACEMENT ...
Страница 23: ...5 Selecting Software Upgrade item and press OK key Firmware Upgrade USB 2 24 ...
Страница 24: ...Firmware Upgrade USB 6 You will see the software upgrade menu on the screen 3 3 4 ...