DOWNLOAD LG 47LV5500-UA (CHASSIS:LA12E) Service Manual ↓ Size: 6.52 MB | Pages: 77 in PDF or view online for FREE

Model
47LV5500-UA (CHASSIS:LA12E)
Pages
77
Size
6.52 MB
Type
PDF
Document
Service Manual
Brand
Device
TV / LCD
File
47lv5500-ua-chassis-la12e.pdf
Date
PREV: LG 47LV5500-TA / 47LV550Y-TA (CHASSIS:LB12E) Service Manual

LG 47LV5500-UA (CHASSIS:LA12E) Service Manual ▷ View online

8. Wireless ready
Wi
re
less P
o
w
e
r &
 C
o
n
tr
o
l
Jack (
J
K11051
)
+24V
WIRELESS_I2C (From LGE35230)
RS232C
Switch
RS-232C 
MAX3232
RX/TX
WIRELESS_RX/TX
BCM_RX/TX
(Between LGE35230)
WIRELESS_DETECT
Wireless
RX (Sink)
HDMI Input
TMDS [8] (To SIL9287B)
CEC (To UPD78F05)
9. Wireless TX (Source) – AV BOX 
HDMI 1
USB
SPDIF
SERIAL
RGB D-SUB
RGB AUDIO
COMPONENT 1
COMPONENT 2
HDMI  2
HDMI 3
IR BLASTER
DC IN
Serial
Flash
1MB
NAND
Flash
256M(x8)
16-Bit
16-Bit
MiCOM
NEC
RS232A
Driver
EDID
ROM
EEPROM
256KB
RGB AUDIO
Audio-L/R
Audio-L/R
RGB
Composite
Component
HDCP-KEY
ROM
DDR3
128M x8
DDR3
128M x8
Saturn 7
SC424
DC/DC
.
LVDS
MP2212
DC/DC(1.26)
MP2212
DC/DC(3.3)
MP2212
DC/DC(1.5)
HDMI 1,2,3
HDMI
IR BLASTER 
MICOM
.
.
RGB
.
.
SPDIF
TX  PWR
wireless TX
HDMI 4
WIRELESS
COMP2
AV1
HDMI1
HDMI2
HDMI3
HDMI4
RGB
POWER
TOUCH
I/F
Micom
COMP1
AV2
Power LED 
board 
LG Logo 
board 
10. 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.
P501  9~12pin : +3.5V_ST
Check Power connector
Main B/D 3.5V Line
Short Check
Check X602 clock
32 KHz
Replace X602
Check P501 PWR_ON.
1pin : 3.3V
Replace Micom(IC602 ) or Main board
Check Multi Voltage
P501 2 pin : *24V , 17 pin : 12V
Replace Power Board
Check Inverter Control 
P501 18 pin : High
Check Power Board or Module
Check IC501/4/5/8 Output Voltage
IC501 : 0.9V,  IC508 :  1.5V
IC504 : 2.5V ,IC505 : 3.3V
Replace IC501/4/5/8
Re-download Micom software.
Check Micom Voltage
IC602  pin 48 : +3.5V
Replace L503
Check LVDS Power Voltage
Q507 : 12V
Replace Q507 
Change Module
ok
ok
ok
ok
ok
ok
ok
ok
ok
No
No
No
No
No
No
No
No
No
Check X101 Clock
54 MHz
Replace X101
ok
No
Replace Power board.
ok
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