DOWNLOAD LG 37LV355H-ZA (CHASSIS:LD0AZ) Service Manual ↓ Size: 10.08 MB | Pages: 62 in PDF or view online for FREE

Model
37LV355H-ZA (CHASSIS:LD0AZ)
Pages
62
Size
10.08 MB
Type
PDF
Document
Service Manual
Brand
Device
TV / LCD
File
37lv355h-za-chassis-ld0az.pdf
Date

LG 37LV355H-ZA (CHASSIS:LD0AZ) Service Manual ▷ View online

* Manual Download (Model Name and Serial Number)
If the TV set is downloaded by OTA or Service man, sometimes
model name or serial number is initialized.(Not always)
There is impossible to download by bar code scan, so It need
Manual download.
1) Press the ‘Instart’ key of Adjustment remote control.
2) Go to the menu ‘5.Model Number D/L’ like below photo.
3) Input the Factory model name(ex 42LD450-ZA) or Serial
number like photo.
4) Check the model name Instart menu. -> Factory name
displayed. (ex 42LD450-ZA)
5) Check the Diagnostics. (DTV country only) -> Buyer model
displayed. (ex 42LD450)
6. CI+ Key Download method
(1) Download Procedure
1) Press “Power on” key of a service remote control.
(Baud rate : 115200 bps)
2) Connect RS232-C Signal Cable.
3) Write CI+ Key through RS-232-C.
4) Check whether the key was downloaded or not at ‘In
Start’ menu.(Refer to below).
=> Check the Download to CI+ Key value in LGset.
1. Check the method of CI+ Key value.
a. Check the method on Instart menu.
b. Check the method of RS232C Command.
1) Into the main assembly mode (RS232 : aa 00 00)
2) Check the key download for transmitted command.
(RS232 : ci 00 10)
3) Result value
- Normally status for download : OKx
- Abnormally status for download : NGx
2. Check the method of CI+ Key value. (RS232)
1) Into the main assembly mode (RS232 : aa 00 00)
2) Check the method of CI+ key by command.
(RS232 : ci 00 20)
3) Result value
i 01 OK 1d1852d21c1ed5dcx
- 13 -
CMD 1
CMD 2
Data 0
A
A
0
CMD 1
CMD 2
Data 0
C
I
1
CMD 1
CMD 2
Data 0
A
A
0
CMD 1
CMD 2
Data 0
C
I
2
CI+ key Value
- 14 -
BLOCK DIAGRAM
RGB
COMP
ON
ENT
F-SC
A
R
T
IF_N
/P
_MST
A
R
DDR3 (2
GB)
IC
1201
NAND Flas
h
HY
NI
X(2G
)
IC
102
USB
Digital am
p
(N
T
P
7100
)
IC
501
COMP_Y
/Pb/p
R
S
C
1_
C
V
B
S
/R
/G/B/F
B_I
N
I2
S
DS
UB_
 R
/G
/B
Tuner 
(TDTJ-
S001D)
TU3702
LED P
an
e
l
CI Slot
(P1902)
74LCX244
Buffer
IC1902
PCM_A
[0
:7
]
TU_CVBS
PCM_A
[0
:7
]
DDR3 (1
GB)
IC
1202
B_
T
M
D
Q
[0
:16]
Mstar
S7
LGE101DC-R
(I
C101)
AQ
Z1073ATL
-3
U
S
B Pow
er
 
IC
402
U
S
B Pow
er
S
C
1_L/
R_
IN
, E_A
M
_
A
U
D
IO
,AV_L/
R
_
IN
C
O
M
P
_L/
R
_
IN
, P
C
_L/
R_
IN
 
TV/
D
TV_VOUT
A_
T
M
D
Q
[0
:16]
Head 
Phon
e
R
S
-232
C
M
A
X3232
C
D
R
IC
1100
SP
DI
F
SPDIF_
O
U
T
DS
UB_
H
/VS
YNC
HP_
L
/R
O
UT
L/R
P
I_
T
S_
D
A
T
A
[0
:7]
F
E
_T
S_
D
A
TA
[0:7]
CI_
ADDR[
0:
7
]
NEC_
TX
/RX
HPD1
/2
HDMI_
CEC, 5
V
_HDMI 1
/2
TMDS[
0:
7
] ( D
a
ta
, Clock (+/-))
EE
PRO
M
M24M
0
1-HRMN6
(I
C
104
)
EE
PRO
M
CAT2
4WC0
8W-
T
(HDCP)IC10
3
I2
C
LVDS (8bit or 
10 bit)
S
erial Flash
IC
1401
F
or Boot
HDMI 1
/2
M
P
2305
IC
2201
DC/DC Co
nv.
(1
2V
 t
o
 5V)
M
P
5000
IC
2202
5V
12V
Po
w
er S
W
(1
2V
 On/O
ff
)
NEC Micom
uPD78F1164A
(I
C1102)
L
E
D Driver
I2
C
 SW
I2
C
I2
C
I2
C
MST_
TX
/RX
LED C
lo
c
k
S
p
ea
ke
r O
u
t
A
u
dio amp
(T
P
A
3124
D2
)
L/
R
S
p
ea
ke
r O
u
t
Contr
ol
Up/D
o
w
n
TU_
SI
F
IF_AGC
74LV
C
16244
Bu
ffe
r
IC
1501
LGDT1129
FPGA
IC1503
FE
_T
S
_DAT
A[
0
]
PKT_DATA[
0]
C
I_T
S_
DA
T
A
[0
:7]
R
S
-232
C
M
A
X3232
C
D
R
US
B_D
M
/D
P
(I
C
104
)
12V
IC
5005/5006
I2
C
I2
C
I2
C
IC
1500
- 15 -
A2
A10
* Set + Stand
* Stand Base + Body
300
200
510
810
910
900
511
560
710
120
400
LV
1
700
530
540
521
EXPLODED VIEW
Many electrical and mechanical parts in this chassis have special safety-related characteristics. These
parts are identified by       in the Schematic Diagram and EXPLODED VIEW. 
It is essential that these special safety parts should be replaced with the same components as
recommended in this manual to prevent X-RADIATION, Shock, Fire, or other Hazards. 
Do not modify the original design without permission of manufacturer.
IMPORTANT SAFETY NOTICE
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