DOWNLOAD LG 42LK450 (CHASSIS:LA01U) Service Manual ↓ Size: 5.34 MB | Pages: 72 in PDF or view online for FREE

Model
42LK450 (CHASSIS:LA01U)
Pages
72
Size
5.34 MB
Type
PDF
Document
Service Manual
Brand
Device
TV / LCD
File
42lk450-chassis-la01u.pdf
Date
PREV: LG 42LK450 (CHASSIS:LA01M) Service Manual

LG 42LK450 (CHASSIS:LA01U) Service Manual ▷ View online

DDR3 256M(1Gb) 
667Mhz(1333) Hynix
H5TQ1G63DFR
RGB PC
SPDIF
Component
H/P OUT
HDMI(DVI)
Half 
Half 
NIM
NIM
(CAN)
(CAN)
PC/DVI Audi In
RS-232C
IF +/-
TU_CVBS
SIF
L/R
S7R
(S7MR)
※
LK520;S7MR
MAX3232
SERIAL FLASH (8M bit)
MX25L8006EM2I
X-tal
32.77K
LVDS
(FHD/HD, 60Hz/120Hz)
A. AMP
NTP7100
USB2.0
DP/DM
SPK L/R
X-tal
24M
I2S
SPDIF
H/P L/R
S7R / S7MR Block Diagram – LK models
L/R
CVBS, Y/Pb/Pr, L/R
RGB/H/V
RS232C
Rear
TMDS
DDR3 Add.
DDR3 Data
SPI
MICOM
UPD78F0514AGA
-GAM-AX
MICOM SDA
MICOM SCL
AV
Side
NAND  Flash
(1Gbit)
H27U1G8F2BTR-BC
PCM_A[0:7]
FFC (30P – For HD)
TMDS
HDMI
CVBS, L/R
CONTROL
IR & LED /
SOFT TOUCH
NEC_EEPROM
_SCL/SDA
LED_R/BUZZ
KEY1
KEY2
IR
LED_B/LG LOGO
SOFT TOUCH
_SCL/SDA
SYSTEM EEPROM
M24M01-HRMN6TP
1Mbit
HDCP EEPROM
CAT24C08WI
I2C
MICOM  EEPROM
M24C16-WMN6T
RGB EEPROM
AT24C16BN-SH-T
I2C
I2C
HDMI EEPROM
AT24C02BN-SH-T
I2C
DDR3 256M(1Gb) 
667Mhz(1333) Hynix
H5TQ1G63DFR
DDR3 256M(1Gb) 
667Mhz(1333) Hynix
H5TQ1G63DFR
HDMI EEPROM
AT24C02BN-SH-T
HDMI EEPROM
AT24C02BN-SH-T
FFC(51P – For FHD 60Hz, 120Hz)
FFC(41P - For FHD 120Hz)
(LK520, LK450, LK430 use this port)
(LK520 uses this port)
(LK330 uses this port)
※
LK520 model : DDR 3points. Others : DDR 2points
This block is applied in
LK450 only.
(Soft Touch model)
This block is applied in all models
except 26LK330, 32/42LK430
※
RGB / HDMI EEPROM is applied
multi item(AT24C16BN-SH-T or R1EX24002ASAS0A)
※
LK330 model : Rear component is 1 pare.
DDR3 256M(1Gb) 
667Mhz(1333) Hynix
H5TQ1G63DFR
RGB PC
SPDIF
Component
H/P OUT
HDMI(DVI)
Half 
Half 
NIM
NIM
(CAN)
(CAN)
PC/DVI Audi In
RS-232C
IF +/-
TU_CVBS
SIF
L/R
S7R
(S7MR)
※
LK520;S7MR
MAX3232
SERIAL FLASH (8M bit)
MX25L8006EM2I
X-tal
32.77K
LVDS
(FHD/HD, 60Hz/120Hz)
A. AMP
NTP7100
USB2.0
DP/DM
SPK L/R
X-tal
24M
I2S
SPDIF
H/P L/R
S7R / S7MR Block Diagram – LK models
L/R
CVBS, Y/Pb/Pr, L/R
RGB/H/V
RS232C
Rear
TMDS
DDR3 Add.
DDR3 Data
SPI
MICOM
UPD78F0514AGA
-GAM-AX
MICOM SDA
MICOM SCL
AV
Side
NAND  Flash
(1Gbit)
H27U1G8F2BTR-BC
PCM_A[0:7]
FFC (30P – For HD)
TMDS
HDMI
CVBS, L/R
CONTROL
IR & LED /
SOFT TOUCH
NEC_EEPROM
_SCL/SDA
LED_R/BUZZ
KEY1
KEY2
IR
LED_B/LG LOGO
SOFT TOUCH
_SCL/SDA
SYSTEM EEPROM
M24M01-HRMN6TP
1Mbit
HDCP EEPROM
CAT24C08WI
I2C
MICOM  EEPROM
M24C16-WMN6T
RGB EEPROM
AT24C16BN-SH-T
I2C
I2C
HDMI EEPROM
AT24C02BN-SH-T
I2C
DDR3 256M(1Gb) 
667Mhz(1333) Hynix
H5TQ1G63DFR
DDR3 256M(1Gb) 
667Mhz(1333) Hynix
H5TQ1G63DFR
HDMI EEPROM
AT24C02BN-SH-T
HDMI EEPROM
AT24C02BN-SH-T
FFC(51P – For FHD 60Hz, 120Hz)
FFC(41P - For FHD 120Hz)
(LK520, LK450, LK430 use this port)
(LK520 uses this port)
(LK330 uses this port)
※
LK520 model : DDR 3points. Others : DDR 2points
This block is applied in
LK450 only.
(Soft Touch model)
This block is applied in all models
except 26LK330, 32/42LK430
※
RGB / HDMI EEPROM is applied
multi item(AT24C16BN-SH-T or R1EX24002ASAS0A)
※
LK330 model : Rear component is 1 pare.
DDR3 256M(1Gb) 
667Mhz(1333) Hynix
H5TQ1G63DFR
RGB PC
SPDIF
Component
H/P OUT
HDMI(DVI)
Half 
Half 
NIM
NIM
(CAN)
(CAN)
PC/DVI Audi In
RS-232C
IF +/-
TU_CVBS
SIF
L/R
S7R
(S7MR)
※
LK520;S7MR
MAX3232
SERIAL FLASH (8M bit)
MX25L8006EM2I
X-tal
32.77K
LVDS
(FHD/HD, 60Hz/120Hz)
A. AMP
NTP7100
USB2.0
DP/DM
SPK L/R
X-tal
24M
I2S
SPDIF
H/P L/R
S7R / S7MR Block Diagram – LK models
L/R
CVBS, Y/Pb/Pr, L/R
RGB/H/V
RS232C
Rear
TMDS
DDR3 Add.
DDR3 Data
SPI
MICOM
UPD78F0514AGA
-GAM-AX
MICOM SDA
MICOM SCL
AV
Side
NAND  Flash
(1Gbit)
H27U1G8F2BTR-BC
PCM_A[0:7]
FFC (30P – For HD)
TMDS
HDMI
CVBS, L/R
CONTROL
IR & LED /
SOFT TOUCH
NEC_EEPROM
_SCL/SDA
LED_R/BUZZ
KEY1
KEY2
IR
LED_B/LG LOGO
SOFT TOUCH
_SCL/SDA
SYSTEM EEPROM
M24M01-HRMN6TP
1Mbit
HDCP EEPROM
CAT24C08WI
I2C
MICOM  EEPROM
M24C16-WMN6T
RGB EEPROM
AT24C16BN-SH-T
I2C
I2C
HDMI EEPROM
AT24C02BN-SH-T
I2C
DDR3 256M(1Gb) 
667Mhz(1333) Hynix
H5TQ1G63DFR
DDR3 256M(1Gb) 
667Mhz(1333) Hynix
H5TQ1G63DFR
HDMI EEPROM
AT24C02BN-SH-T
HDMI EEPROM
AT24C02BN-SH-T
FFC(51P – For FHD 60Hz, 120Hz)
FFC(41P - For FHD 120Hz)
(LK520, LK450, LK430 use this port)
(LK520 uses this port)
(LK330 uses this port)
※
LK520 model : DDR 3points. Others : DDR 2points
This block is applied in
LK450 only.
(Soft Touch model)
This block is applied in all models
except 26LK330, 32/42LK430
※
RGB / HDMI EEPROM is applied
multi item(AT24C16BN-SH-T or R1EX24002ASAS0A)
※
LK330 model : Rear component is 1 pare.
DDR3 256M(1Gb) 
667Mhz(1333) Hynix
H5TQ1G63DFR
RGB PC
SPDIF
Component
H/P OUT
HDMI(DVI)
Half 
Half 
NIM
NIM
(CAN)
(CAN)
PC/DVI Audi In
RS-232C
IF +/-
TU_CVBS
SIF
L/R
S7R
(S7MR)
※
LK520;S7MR
MAX3232
SERIAL FLASH (8M bit)
MX25L8006EM2I
X-tal
32.77K
LVDS
(FHD/HD, 60Hz/120Hz)
A. AMP
NTP7100
USB2.0
DP/DM
SPK L/R
X-tal
24M
I2S
SPDIF
H/P L/R
S7R / S7MR Block Diagram – LK models
L/R
CVBS, Y/Pb/Pr, L/R
RGB/H/V
RS232C
Rear
TMDS
DDR3 Add.
DDR3 Data
SPI
MICOM
UPD78F0514AGA
-GAM-AX
MICOM SDA
MICOM SCL
AV
Side
NAND  Flash
(1Gbit)
H27U1G8F2BTR-BC
PCM_A[0:7]
FFC (30P – For HD)
TMDS
HDMI
CVBS, L/R
CONTROL
IR & LED /
SOFT TOUCH
NEC_EEPROM
_SCL/SDA
LED_R/BUZZ
KEY1
KEY2
IR
LED_B/LG LOGO
SOFT TOUCH
_SCL/SDA
SYSTEM EEPROM
M24M01-HRMN6TP
1Mbit
HDCP EEPROM
CAT24C08WI
I2C
MICOM  EEPROM
M24C16-WMN6T
RGB EEPROM
AT24C16BN-SH-T
I2C
I2C
HDMI EEPROM
AT24C02BN-SH-T
I2C
DDR3 256M(1Gb) 
667Mhz(1333) Hynix
H5TQ1G63DFR
DDR3 256M(1Gb) 
667Mhz(1333) Hynix
H5TQ1G63DFR
HDMI EEPROM
AT24C02BN-SH-T
HDMI EEPROM
AT24C02BN-SH-T
FFC(51P – For FHD 60Hz, 120Hz)
FFC(41P - For FHD 120Hz)
(LK520, LK450, LK430 use this port)
(LK520 uses this port)
(LK330 uses this port)
※
LK520 model : DDR 3points. Others : DDR 2points
This block is applied in
LK450 only.
(Soft Touch model)
This block is applied in all models
except 26LK330, 32/42LK430
※
RGB / HDMI EEPROM is applied
multi item(AT24C16BN-SH-T or R1EX24002ASAS0A)
※
LK330 model : Rear component is 1 pare.
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