LG 52LG65YD-AC (CHASSIS:LB81C) Service Manual ▷ View online
- 29 -
C
2008
Sound Amp
YD
A138
MSD1226L
VDDC
AVDD_ADC
AVDD_S
IF
AVDD_AU
AVDD
_MemP
L
L
AVDD
_X
TA
L
V
D
D
_LPLL
VDDP
VDDQ
LGDT3303
VDD
AVDD
Vdd33
a
v
dd33
1
2
3
4
5
6
7
8
9
10
11
12
15
V
15
V
GND
5V
ACD
PW
R_
O
N
IN
V
_
C
T
L
DI
M
IN
V
_
BR
6.3V
GND
5V
1
2
3
4
5
6
7
8
9
10
11
15
V
15
V
GND
5V
NC
IN
V
_
C
T
L
DI
M
IN
V
_
BR
GND
5V
GND
IC800
MP1583
DN-Z
12V
Sound Mu
te
12V Option
Panne
l
23î
Outp
ut Curr
ent
: 3
A
Input
:
4.
7
5
V
to
2
3
V
O
u
tp
u
t :
1.22
V to
21
V
0.6
A
0.4
A
TUNER
IC800
MP1583
DN-Z
5V
12V
$0.46
265mA
IC807
KI
A
7
8R
05F
Outp
ut Curr
ent
: 1
A
Input
: 7V(M
a
x
3
5
V)
Outp
ut :
5
V
$0.17
IC803
A
Z
1
117
H-3.3V
IC804
A
Z
1
117
H-3.3V
ST_3.3V
ST_3.3V
Flash
M
e
mory
MX25L1
605A
M2C
SDRAM
H
Y
57V6416
2
0
ETP
IC802
KD1084
A
DT-
R
ST_1.8V
IR
IC806
A
Z
1
117
H-1.8
IC805
A
Z
1
117
H-3.3
1.8V
3.3V
Panne
l
20î
FET
5203
0.4
A
EE
PROM
AT24C32AN
EE
PROM
AT24C02BN
Outp
ut Curr
ent
: 1
A
Outp
ut Curr
ent
: 1
A
Outp
ut Curr
ent
: 5
A
Outp
ut Curr
ent
: 0
.6
A
Outp
ut Curr
ent
: 0
.6
A
274.6mA
465mA
72.4
mA
148.8mA
570mA
248mA
800mA
- 30 -
C
2008
Sound Amp
YD
A138
MSD1226L
VDDC
AVDD_ADC
AVDD_S
IF
AVDD_AU
AVDD
_MemP
L
L
AVDD
_X
TA
L
V
D
D
_LPLL
VDDP
VDDQ
MSD809
VDD
VDD
1
2
3
4
5
6
7
8
9
10
11
12
15
V
15
V
GND
5V
ACD
PW
R_
O
N
IN
V
_
C
T
L
DI
M
IN
V
_
BR
6.3V
GND
5V
1
2
3
4
5
6
7
8
9
10
11
15
V
15
V
GND
5V
NC
IN
V
_
C
T
L
DI
M
IN
V
_
BR
GND
5V
GND
IC800
MP1583
DN-Z
12V
Sound Mu
te
12V Option
Panne
l
23î
Outp
ut Curr
ent
: 3
A
Input
:
4.
7
5
V
to
2
3
V
O
u
tp
u
t :
1.22
V to
21
V
0.6
A
0.4
A
TUNER
IC800
MP1583
DN-Z
5V
12V
$0.46
265mA
IC807
KI
A
7
8R
05F
Outp
ut Curr
ent
: 1
A
Input
: 7V(M
a
x
3
5
V)
Outp
ut :
5
V
$0.17
IC803
A
Z
1
117
H-3.3V
IC804
A
Z
1
117
H-3.3V
ST_3.3V
ST_3.3V
Flash
M
e
mory
MX25L1
605A
M2C
SDRAM
H
Y
57V6416
2
0
ETP
IC802
KD1084
A
DT-
R
ST_1.8V
IR
IC807
A
Z
1
117
H-1.2
IC805
A
Z
1
117
H-3.3
1.2V
3.3V
Panne
l
20î
FET
5203
0.4
A
EE
PROM
AT24C32AN
EE
PROM
AT24C02BN
Outp
ut Curr
ent
: 1
A
Outp
ut Curr
ent
: 1
A
Outp
ut Curr
ent
: 5
A
Outp
ut Curr
ent
: 0
.6
A
Outp
ut Curr
ent
: 0
.6
A
274.6mA
465mA
72.4
mA
148.8mA
570mA
248mA
800mA
- 31 -
C
2008
ATSC/NTSC
TUNER
I2
C
MSD1226L
SCLM
1[
5
9
]
LGDT3303
3.3
V II
C
I2
C
_
S
D
A
I2
C
_
S
C
L
SDA
[5]
SC
L[6
]
SDAM1
[6
0]
MSCL
MSDA
S
C
L[48
]
SDA
[4
9]
5
V
IIC
DDC_SCK[
3
3
]
DDC_SD[
3
4
]
SCL
/RX
SDA
/TX
VG
A_
RX
VG
A_T
X
EE
PRO
M
24
C32
DDC_ROMSCK[3
5
]
DDC_R
OMSD[
3
6
]
ROMSCK
ROMSD
FL
ASH
S
S
T25V
F016B
SP
I_
CK
SP
I_
DI
SPI_DO
SP
I_
CZ
S
P
I_CK
[171]
SP
I_DI[172]
SP
I_DO[173]
SP
I_CZ[174]
VG
A
D-SUB
VG
A
D-SUB
EE
PRO
M
24
C21
A
DDC_SCL
DDC_DS
A
U
A
T
X
1[55
]
UARX
1[
5
6
]
SDRAM
4M*
1
6Bit
SDRAM
4M*
1
6Bit
SDRAM
4M*
1
6Bit
M2_C
KE
M2_MCLK
M
2
_A[0
:11]
M2_D
Q[
0:
1
5
]
M2_D
QM
0
M2_D
QM
1
CKE
MCLK
A
R
[0
:11]
MDATA[
0
:1
5
]
DQM0
DQM1
CKE
MCLK
A
R
[0
:11]
M
D
A
T
A
[16:31
]
DQM0
DQM1
D
ebug
Po
rt
RXD
TXD
GND
5V
- 32 -
C
2008
Ms
ta
r
[MSD1226L
]
ATSC/NTS
C T
u
ner
LGDT 330
3
MSCL/MSDA
I2C_5V
4.
7
K
5VST
NVRAM
I2C Add
ress
0xC2
0x1C
Ms
ta
r
[MSD1226L
]
MX25L1605
[Serial Flash]
SCK
SDI
SDO
CSZ
SPI
_CK
SPI
_DI
SPI
_DO
SPI
_CSZ
SCLK
SI
SO
CS
#
4.
7
K
+3
.3
V
DDC_ROM
SCL/
SDA
0xA0
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