Read LG 55LH55 (CHASSIS:LA92B) Service Manual online
- 29 -
BLOCK DIAGRAM
SIDE
SIDE
J
A
CK
P
A
CK
J
A
CK
P
A
CK
D-sub RGB
HDMI 1
Side A
V
CV
BS
, L
/R
DDR2 (5
12Mb
it
)
Qimonda
/ Hy
nix
NAND Flash
(256Mb)
Digita
l A
udio
(Optic
)
Digita
l AMP
NT
P3100L
RS-232C (Ctrl./SVC)
I2S
EEPROM
512Kb
RGB/
H/V
Half-NIM Tuner
DD
R_Data[
0:
15]
, D
Q
S,
DM …
Ad
dr.[ ]
, ctrl. data
MAX3
232
Saturn5
Saturn5
(ATSC US)
(ATSC US)
LGE3159
MPEG2
L
inux
Scal
er
He
adphone
D
a
ta [0 …
7
]
IF
+/-
SIF
TU_CVBS
R
e
set / IF
_AGC
…
SDA
/SCL_
5V
JT
A
G
C
L
K,T
D
I,T
D
O
,M
S,
R
S
T
HDMI4
Ad
dr[0…1], C
S
…
Au
d
io L/R
A
u
dio L/R (for
RGB)
HDMI 2
SP
DI
F
RX
/T
X
R
X
/TX
RE
A
R
RE
A
R
J
A
CK
P
A
CK
J
A
CK
P
A
CK
SCL
, SDA
_3
.3
V
T
R
B
u
ffer
VS
B
D
e
m
od.
X-t
al
Res
et
S
w
itch
Reset IC
12MH
z
T
S
In[0…
7]
TS_
cl
k, SOP, Va
l
EEPR
OM
Data[1
6:31]
DDR2 (5
12Mb
it
)
Qimonda
/ Hy
nix
AV
Component 1
Y
Pb
Pr, L/R
CV
BS
, Y/
C,
L
/R
Component 2
Y
Pb
Pr, L/R
Digital A
udio
(Coaxial)
USB2.0
SCL
, SDA
_3
.3
V
B
lu
e
tooth
Do
ngl
e
(Option)
DP
/D
M
DP
/D
M
O.C. Protector
+5V
+5V
LCD Module
(FHD+120Hz)
(F
H
D
+
T
ru
m
o
tion240
H
z
)
FRC IC
(LGE7329)
DDR2
Qimonda/Hy
nix
FRC Block
FRC Block
LV
D
S
LCD Module
(FHD, 6
0Hz)
Option
HDMI 3
HDMI S/W
L
RCK
LR
CH
Mas
ter CLK
Click on the first or last page to see other 55LH55 (CHASSIS:LA92B) service manuals if exist.