LG 84LM9600 (CHASSIS:LB23J) Service Manual ▷ View online
1
FRC Processor(LG1122)
2
72LM9500 (T480)
T-Con IC(LG5812)
1
2
From Main Board
To Panel ( Slave Left )
To Panel (Slave Right )
2
To Panel ( Master Left )
To Panel ( Master Right)
To Panel (LED Driver)
L9
LG1152D
AUD
BB_TP_DATA
DAC_DATA
AAD_DATA
HSR_P/M
CVBS
SIF
Tuner
PC_AUDIO
PC_Audio L/R
AV 1_Audio L/R
PC-RGB
A/V1
COMP1
A/V1_CVBS
Comp1 Y,Pb,Pr
PC_R,G,B,H,V
HDMI
Switch
HDMI1~4
L9
LG1152A
USB1
USB2
USB3
USB
HUB
HUB
PHY
RMII
LAN
Motion-R
M-Remote_R/TX
Audio
AMP
OPTIC
SPK
SPDIF
I2S
16
DDR
16
DDR
256MB×4
(1600)
128MB×1
(1600)
8
eMMC
4GB×1
Built-in WiFi
3D Depth
LG1132
FRC-III
LG1122
mini_LVDS
mini_LVDS
T-con
LG5812
HS_LVDS
2Link
HS_LVDS / 2Link
V by One / 8 Line
CHB_DATA
FE_TS_DATA[0-7]
FE_TS_SYNC
FE_TS_ERR
FE_TS_CLK
FE_TS_CLK
FE_TS_VAL
<Parallel TS>
USB
DIF (
DA ONLY
)
(
SA ONLY
)
■ Block Diagram for High-end models(Main + BE)
* FHD 240Hz, T480Hz ( 47/55LM9600)
80Pin
Mini -LVDS
Output
L9D
(LG1152)
DDR3@
800MHz
800MHz
FRC-III
(LG1122)
3D Chip
(LG1132)
T-Con
(LG5812)
2 link
HS-LVDS
51P Cable
2 link
HS-LVDS
8 lanes
VbyOne
Mini-LVDS
DDR3@
800MHz
800MHz
DDR3@
800MHz
800MHz
80Pin
Mini -LVDS
Output
Main Board
T-Con Board
Mini-LVDS
8P L/Dimming
LED Driver
240Hz
LCM
eMMC
4Gb
50Pin
EPI
L9D
(LG1152)
DDR3@
800MHz
800MHz
FRC-III
(LG1122)
3D Chip
(LG1132)
T-Con
(LG5822)
2 link
HS-LVDS
51P Cable
2 link
HS-LVDS
4 lanes
LVDS
EPI
DDR3@
800MHz
800MHz
50Pin
EPI
Main Board
T-Con Board
EPI
8P L/Dimming
LPB (LED Driver)
120Hz
LCM
eMMC
4Gb
■ Block Diagram for High-end models(Back-end)
* FHD 120Hz, T240Hz ( 47/55LM8600)
* FHD 240Hz T480Hz ( 72LM9500)
DDR3 SDRAM
-
1Gbit (x16)
- 800MHz
DDR1_DATA[15:0]
DDR1_A[13:0]/
BA[2:0]/CLK/CKE
DDR0_DATA[15:0]
DDR0_A[14:0] /
BA[2:0]/CLK/CKE
DC-DC Con
(TPS54327)
+2.5V
SPI_DO/CK/CS
SPI_DI
SPI FLASH
(32Mbit)
DC-DC Con
(TPS54327)
L/DIM0_VS,
L/DIM0_SCLK/MOSI
DDR3 SDRAM
-
1Gbit (x16)
- 800MHz
FRC-III
(LG1122)
(0x1C, direct
0xB2, in-direct)
XTAL_IN
XTAL_OUT
X-Tal
(24.75Mhz)
LG1121_RESET
8Lane Vx1 HS
Dual-Link HS-LVDS
V
LCD
_P
O
W
ER
(+
12
V
)
LG
11
21
__
R
ES
ET
I2
C_
SD
A
_S
I2
C_
SCL_S
PMIC
(MAX17139)
VCC/VDD/
VGH_A/VGL/
HVDD/VCORE
VLCD_POWER(+12V)
I2C_SDA_S
I2C_SCL_S
L/DIM0_VS
L/DIM0_MOSI/SCLK
I2C_SDA_S
I2C_SCL_S
+1.8V
VLCD_POWER(+12V)
VLCD_POWER(+12V)
* Epoxy 4Layer 1.2T (206x183mm)
TX
_LO
CK
CK
G
M
A
[4
:1
]
/
G
M
A
[1
4:
10
]
V
CC
/V
D
D
P-
G
A
M
M
A
IC
–
M
as
te
r1
(BU
F0
68
30
)
V
CO
M
I2
C_
SD
A
_S
I2
C_
SCL_S
V
CC
/V
D
D
G
M
A
_M
[9
:5
]
/
G
M
A
_M
[1
8:
15
]
P-
G
AM
M
A
IC
–
M
ast
er
2
(B
UF06
83
0)
I2
C_
SD
A
_S
I2
C_
SCL_S
80
P
m
ini
-L
VD
S
Ou
tp
ut
RIG
H
T
LG
E
24
0H
z
T-
Co
n
(L
G5
81
2,
0x
70
)
O
PT
_N
/O
P
T_
P
/
G
SP
/G
SC/
G
O
E
V
D
D
/V
CC
/
H
V
D
D
/
V
G
L/
V
G
H
/
V
CO
M
R
/
G
M
A
[1
8:
1]
V
CO
M
R
FB
V
D
D
/V
CC
/
H
V
D
D
/
V
G
L/
V
G
H
/
V
CO
M
/
G
M
A
[1
8:
1]
V
CO
M
LF
B
TCO
N
_S
D
A
TCO
N
_S
CL
EE
PR
O
M
(A
T2
4C3
2D
,
32
K
b
it
)
I2
C_
SD
A
_S
I2
C_
SCL_S
80
P
m
ini
-L
VD
S
Ou
tp
ut
LE
FT
O
PT
_N
N
/O
P
T_
P
/
SO
E/
PO
L/
H
_C
O
N
V
/
G
SC/
G
O
E
O
PT
_N
/
SO
E/
PO
L
H
_C
O
N
V
/G
SC/
G
O
E
H
F
m
ini
-L
VD
S
(2
-L
ink
)
H
F
m
ini
-L
VD
S
(2
-L
ink
)
[S
]
TCO
N
_S
D
A
TCO
N
_S
C
L
[M
]
80
P m
in
i-L
VD
S
S
Ou
tp
tp
ut
RIG
H
H
T
LG
E
24
0H
z
z
T-
Co
n
n
(L
G5
81
81
2,
0x
70
)
O
PT
_N
/O
P
T_
P
/
G
SP
/G
SC/
G
O
E
V
D
D
/V
CC
/
/
H
V
D
D
/
V
G
L/
V
G
H
/
V
CO
M
M
R
/
G
M
A
[1
8:1
]
V
CO
M
M
R
FB
V
D
D
/V
CC
/
/
H
V
D
D
/
V
G
L/
V
G
H
/
V
CO
M
M
/
G
M
A
[1
8:1
]
V
CO
M
M
LF
B
TCO
N
N
_S
D
A
TCO
N
N
_S
CL
EE
PR
O
M
(A
T2
4C3
2D
,
32
K
b
it
)
I2
C_
SD
A
_S
I2
C
_S
C
L_
S
80
P m
in
i-L
VD
S
S
Ou
tp
tp
ut
LE
FT
O
PT
_N
N
/O
P
T_
P
/
SO
E/
PO
L/
H
_C
O
N
V
/
G
SC/
G
O
E
O
PT
_N
/
SO
E/
PO
L
H
_C
O
N
V
/G
SC/
G
O
E
H
F m
ini
-L
VD
S
S
(2
-L
ink
)
)
H
F m
ini
-L
VD
S
S
(2
-L
ink
)
)
[S
]
TCO
N
N
_S
D
A
TCO
N
N
_S
CL
[M
]
]
G
M
A
[4
:1
] /
G
M
A
[1
4:1
0]
V
CC
/V
/V
D
D
P-
G
A
M
M
A
IC
– M
as
te
r1
(BU
F0
F0
68
30
)
V
CO
M
M
I2
C_
SD
A
_S
I2
C_
SCL_S
V
CC
/V
/V
D
D
G
M
A
_M
[9
[9
:5
] /
G
M
A
_M
[1
[1
8:1
5]
P-
G
A
M
M
A
IC
– M
as
te
r2
(BU
F0
F0
68
30
)
I2
C_
SD
A
_S
I2
C_
SCL_S
DC-DC Con
(TPS54327)
+1.5V
+3.3V
DC-DC Con
(TPS54327)
VLCD_POWER(+12V)
PMIC
(MAX17139)
VCC/VDD/
VGH_A/VGL/
HVDD/VCORE
VLCD_POWER(+12V)
I2C_SDA_S
I2C_SCL_S
+0.9V
DC-DC Con
(AOZ1038PI)
VLCD_POWER(+12V)
DC-DC Con
(TPS54327)
+1.8V
VLCD_POWER(+12V)
VLCD_POWER(+12V)
Vx1
Rep
Vx1
Rep
Vx1
Rep
Vx1
Rep
Vx1
Rep
Vx1
Rep
Vx1
Rep
Vx1
Rep
I2C HUB
(PCA9516)
I2C_EN_M
I2C_EN_S
I2C_SDA_1
I2C_SCL_1
I2C_SDA_2
I2C_SCL_2
I2C_SDA_S
I2C_SCL_S
8Lane Vx1 HS
8Lane Vx1 HS
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