DOWNLOAD LG 55LE5400 (CHASSIS:LA02D) Service Manual ↓ Size: 7 MB | Pages: 85 in PDF or view online for FREE

Model
55LE5400 (CHASSIS:LA02D)
Pages
85
Size
7 MB
Type
PDF
Document
Service Manual
Brand
Device
TV / LCD
File
55le5400-chassis-la02d.pdf
Date
PREV: LG 55LE5300 / 55LE5310 (CHASSIS:LB01D) Service Manual

LG 55LE5400 (CHASSIS:LA02D) Service Manual ▷ View online

12. Wireless RX (Sink) 
HDMI
Connector
Control
Connector
SB9121
Network
Processor
SB9111
RF
Receiver
Embedded
CPU
SiI9134
HDMI
Transceiver
MX1605
Serial Flash
SPI Bus
D[35:0]
H/VSYNC
DE
IDCK
I2S(4line)
SPDIFO
I2C(2line)
DDC(2line)
TMDS(8line)
RST#
INT
INT
VCXO
VCXO
Video
PLL
Video
DAC
Audio
PLL
Audio
DAC
I2
C
I2C
ACLK
VCLK
Micom
RST#
CEC
ADCI_P/N
ADCQ_P/N
PCLK_P/N
DACI_P/N
DACQ_P/N
RF
Control
SLEEP
XTAL
(3.6864MHz)
OSC
(54MHz)
MCLK/SCK/W
S
I2C(2line)
1. Trouble shooting - No power
Check stand-by Voltage.
P8000  9~12pin : +3.5V_ST
Check Power connector
Main B/D 3.5V Line
Short Check
Check X8101 clock
32 KHz
Replace X8101
Check P404 PWR_ON.
1pin : 3.3V
Replace Micom(IC8101 ) or Main board
Check Multi Voltage
P8000 2 pin : *20V , 17 pin : 12V
Replace Power Board
Check Inverter Control 
P8000 18 pin : High
Check Power Board or Module
Check IC402/3/5/7 Output Voltage
IC8001 : 1.2V,  IC8003 :  1.8V
IC8004 : 2.5V ,IC8005 : 3.3V
Replace IC8001/ 3 /4 / 5
Re-download Micom software.
Check Micom Voltage
IC8101  pin 48 : +3.5V
Replace L8003
Check LVDS Power Voltage
Q8004 : 12V
Replace Q8004 
Check FRC(IC9001)LVDS Output
Replace FRC(IC9001)or Main Board
Change Module
ok
ok
ok
ok
ok
ok
ok
ok
ok
ok
No
No
No
No
No
No
No
No
OK
No
Check X1001 Clock
54 MHz
Replace X1001
ok
No
Replace Power board.
ok
Check IC402/3/5/7 Output Voltage
IC8903 : 3.3V,  IC8001 : 1.5V
IC8902 :  1.2V
No
Replace IC8901/ 2/ 3
No
Check RF Cable & Signal
Check Tuner 3.3V Power
L701
Replace L701
Check Tuner 1.2V Power 
IC700  2pin : 1.26V
Check IF_P/N Signal
TU700 17/18 Pin
Replace IC700.
Check Tuner 5V Power
L700
Check IC8003
Check FRC and BCM LVDS Output
Replace Mstar(IC9001) or BCM( IC900)
or Main Board.
ok
ok
ok
ok
ok
No
No
No
No
No
Replace IC8003
No
Bad Tuner. Replace Tuner.
Replace L8007
ok
2. Trouble shooting - No video (Digital TV video)
3. Trouble shooting - No video (Analog TV video)
Check RF Cable & Signal
Check Tuner 3.3V Power
L701
Replace L701
Check Tuner 1.2V Power 
IC700   2 pin : 1.2V
Check CVBS Signal
TU700  11 Pin
Replace IC700.
Check Tuner 5V Power
L700
Check IC8003
ok
ok
ok
ok
ok
No
No
No
No
No
Replace IC8003
No
Bad Tuner. Replace Tuner.
Replace  L8007
ok
Check FRC and BCM LVDS Output
Replace Mstar (IC9001) 
or BCM( IC900) or Main Board.
Page of 85
Display

Click on the first or last page to see other 55LE5400 (CHASSIS:LA02D) service manuals if exist.

RANDOM: