Read LG 37LH50YD (CHASSIS:LB91B) Service Manual online
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BLOCK DIAGRAM
DDR2 (1Gb
it)
Qimonda
/
Hy
nix
NAND Flash
(512Mb
it)
Digita
l
A
udio
(Optic
)
Digita
l AMP
NT
P3100L
RS-232C (Ctrl./SVC)
I2S
DD
R_Data[
0:
15]
,
D
Q
S,
DM
…
Ad
dr.[ ]
, ctrl. data
MAX3
232
RS232 IC
Saturn6
Saturn6
D
a
ta [0 …
7
]
DT
V
I
F
+
/-
Compone
nt 1
Y
Pb Pr
Aud
io
L/R
Ad
dr[0…1], C
S
…
Phone
(for RG
B)
SP
DI
F
RX
/T
X
R
X
/TX
Tuner C
V
B
S, SIF
TS_Serial
In
TS_
c
lk, Sy
nc, Va
l,
Err
TS_
P
a
ra
lle
l
In[0-7]l
SCL
,
SDA_
3
.3V
CV
BS
LCD
Module
(1
2
0Hz)
MST7323
FRC IC
DDR2
256M
Qimonda/Hy
nix
LV
D
S
Buffe
r
C
E
6355
In
te
l
De
m
o
d
.
CV
BS
Y
Pb Pr
RGB/
H/V
EEPR
OM
Compone
nt 2
AV
1
AV
2
RGB
Aud
io
L/R
USB2.0
U
SB D
P
/DM
MIC2019
O.C. Protector
+5V
+5V
Serial Flas
h
(2Mbit)
Serial Flas
h
(32Mbit)
SP
I
EEPROM
(512K)
CM3212
Sensor
SCL
,
SDA_
3
.3V
SCL
,
SDA
HDMI 1
T
D
A9996
4x1
HDMI S
w
itch
HDMI 2
HDMI 3
HDMI 4
5V_H
DMI
1,
HPD1, DD
C
SC
L
/S
D
A
,
CLK,
DA
TA
5V_H
DMI
2,
HPD2, DD
C
SC
L
/S
D
A
,
CLK,
DA
TA
5V_H
DMI
3,
HPD3, DD
C
SC
L
/S
D
A
,
CLK,
DA
TA
5V_H
DMI
4,
HPD4, DD
C
SC
L
/S
D
A
,
CLK,
DA
TA
CLK,
D
AT
A
SCL
,
SDA
X
C
5000
Tun
e
r
Side
Rear
DDR2 (5
12Mb
it
)
Qimonda
/
Hy
nix
DD
R_Data[
0:
15]
,
D
Q
S,
DM
…
Ad
dr.[ ]
, ctrl. data
DDR2
256M
Qimonda/Hy
nix
Rear
Side
Aud
io
L/R
Aud
io
L/R
Aud
io
L/R
Aud
io
L/R
Side
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