Read LG 19LD330 / 19LD340 / 19LD345 (CHASSIS:LP91H) Service Manual online
- 16 -
BLOCK DIAGRAM
RGB-PC
(JK202)
TU
NE
R
(T
U5
00
)
COMPONE
NT /
AV
1
(JK101)
AV
2
(JK20
1)
A
V
_L
IN/RIN :
500mVrms
SPK_L
SPK_R
COMPON
ENT_L/R
:
500mVrms
AV
_VIN
:
1Vpp
NTP3100
L
COMP_Y/Pb/Pr
IR & L
E
D (P
2
0
1)
HD
M
I_DA
TA
0
TU_
M
A
IN
CO
MPON
ENT_Y
/Pb/
Pr
:
1/0.7Vpp
AV
_VIN
COMP_L
IN/RIN
L_CH
R_CH
A
V
_L
IN/RIN
PC-SOU
ND
(JK203)
I2S_MCL
K
I2S_
S
D
O
I2S_W
S
I2S_
S
C
K
TMDS
LIPS
RL_ON/
IDISP_EN
PA
NEL_
STA
TUS
E-DIM
OPC_OUT
EE
PROM
(24
L
C256
)
Se
rial
Flas
h
(MX2
5L
6
4
)
EE
PROM
HDCP
(2
4WC0
8)
EEP_SCL/
S
D
A
EEP_SCL/
S
D
A
TXC
E2
±±
TXC
E3
±±
TXCL
KE
±±
TXC
E1
±±
TXC
E0
±±
TXCO1
±±
TXCO3
±±
TXCO2
±±
TXCO0
±±
TXCL
KO
±±
M_SCL/SD
A
MAIN SCLAER
Matrix
(HD:LGE
4
7
6
5A)
(FHD:LGE
4
7
6
7
A
)
(IC800
)
EEP
ROM
24C
02
IC30
2
TU500
IC802
IC803
IC801
IC600
P402
P403
M_S
C
L
/SDA
SI
DE
REAR
HD
M
I3
(JK30
3)
US
B
(JK20
4)
RS
-232C
(JK200)
US
B(SVC)
(JK205)
HDM
I1
(JK301)
HDM
I2
(JK302)
EEP
ROM
24C
02
IC30
1
EEP
ROM
24C
02
IC30
0
DDC
_S
CL
1/SD
A
1
DDC
_S
CL
2/SD
A
2
DDC
_S
CL
3/SD
A
3
Contr
o
ll
e
r
ST32
32
CDR
IC20
0
RX
D/TXD
EEP
ROM
24C
02
IC20
1
DS
UB
_SCL/S
D
A
P401
SPI_CZ/DO
SPI_
CLK/DI
HD
M
I_DA
TA
1
HD
M
I_DA
TA
2
U
S
B DN/DP
PC_R/
G
/B
PC_VS
/HS
TXD/
R
X
D
PC_A
UD_L/
R
TXCO4
±±
TXC
E4
±±
FHD LV
DS con
ne
ctor
HD LV
DS c
onne
ctor
DDR2 SDR
A
M
(512
M B
y
te
)
IC900
DD
R2_C
K
E
DD
R2_WEZ
DD
R2_DQS0 ±
±
DD
R2_M
CLK
DD
R2_BA
0/1
DD
R2_DQS1
±±
DD
R2_ODT
DD
R2_DQM
0/1
SID
E
_VIN
SID
E
_L
IN/RIN
Click on the first or last page to see other 19LD330 / 19LD340 / 19LD345 (CHASSIS:LP91H) service manuals if exist.