DOWNLOAD LG 55LH80YD (CHASSIS:LB91F) Service Manual ↓ Size: 6.06 MB | Pages: 66 in PDF or view online for FREE

Model
55LH80YD (CHASSIS:LB91F)
Pages
66
Size
6.06 MB
Type
PDF
Document
Service Manual
Brand
Device
TV / LCD
File
55lh80yd-chassis-lb91f.pdf
Date
PREV: LG 55LH55 (CHASSIS:LA92B) Service Manual

LG 55LH80YD (CHASSIS:LB91F) Service Manual ▷ View online

Block Diagram
TV SET
S-Flash
(32Mb)
NTP3100L
(D-AMP)
X100
X-tal(12㎒)
Re
se
t
I2S
MCLK
For wireless
IR & Local KEY
24C16
DDR2 (1Gb)
X900
X-tal(24㎒)
NVRAM
24C512
EEPROM
DDR(512Mb)
DDR(512Mb)
DDR2(512Mb)
DDR2(512Mb)
NAND-Flash
(512Mb)
LGE3159GV
S5
KIA7427F
For wired
& wide use
LGE7329
Ursa
USB
RS-232
Only for service
WT61P8
Micom
MODULE
NOT FOR USER
Connect to Rx b/d
I2C
FHD 120HZ
RF
Transceiver
[SB9111]
Network
Processor
[SB9121]
HDMI
Transmitter
[SiI9134]
8p w
a
fe
r
24
Wireless RX Module
5.0V
3.3V_L
2.5V_L
1.0V_L
2.5V_L
1.5V_L
1.2V_L
1.0V_L
3.3V_L
1.8V_L
MICOM
[PIC32]
HDMI CABLE
HDMI5
LGE3369A
RGB
COMPONENT1
AV1
AV1_CVBS_IN
DSUB_ R/G/B
TUNER_CVBS
TS_DATA[0:7]
SPDIF
SPDIF_OUT
DSUB_H/VSYNC
AUDIO IN
DGB_TX/RX
USB
PCM_A[0:7]
ADDR_D[0:15]
BDDR_D[0:15]
ADDR_A[0:12]
USB Power
BDDR_A[0:12]
USB_DM/DP
HDMI 
1/2/3/4R
ear : 3 
Front :1 
TMDS[0:7]
HDMI_CEC
HPD 
5V_HDMI
I2S
30P Wafer : rear jack 
b’d & main b’d (P1200)
Service
only
For 
wireless
HDMI In
HDMI 
Out
I2C
IR (For test)
LVDS
TTL
I2C
SPI_CK/CS/D0/D1
Rear jack b’d
IF
TUNER_SIF
COMPONENT2
AV2
AV2_CVBS_IN
COMP1_Y/Pb/Pr
COMP2_Y/Pb/Pr
Chip Tuner
(XC5000)
Demodulator
(CE6355)
RS-232C
(MAX3232CDR)
HDMI Splitter
(PI3HDMI1210)
HDMI
Transmitter
(SiI9134)
LVDS Receiver
(THC63LVD1024)
Serial Flash
For Boot
DDR2 SDRAM
(1Gbit)
HYNIX
DDR2 SDRAM
(512Mbit)
HYNIX
MICOM
Weltrend
NAND Flash
HYNIX
(64MB)
EEPROM
AT24C512
MIC2009YM6-TR
USB Power
HDMI
4:1 Switch
(TDA9996)
MEDIA-BOX(SIMPLE)
Block Diagram
PAL CHIP
TUNER
XC5000
LCD/PDP
DIGITAL TV
PROCESSOR
[LGE3369A]
HDMI
Switch
(4-to-1)
[TDA9996]
CEC_RX
HDMI
DDC_RGB
AV1_CVBS_IN
AV2_CVBS_IN
COMP1-Y/Pb/Pr
COMP2-Y/Pb/Pr
DSUB-R/G/B
IF
ANALOG
VIDEO
INPUT
DIGITAL
VIDEO
INPUT
MiCOM
[WT61P8S]
I2C_CH4
CEC_RX
DDC_RGB
I2C_CH1
LVDS
Receiver
[DTC30LM36]
DUAL
LVDS
HDMI
Transmitter
[SiI9134]
HDMI
DeMUX
[PI3HDMI1210]
RF
Transceiver
[SB9110]
Network
Processor
[SB9120]
HDMI
Receiver
[SiI9125]
30
I2C_CH2
HDMI
3.3V_2
3.3V_L
3.3V_2
3.3V_2
1.8V_1
3.3V_2
5.0V_1
TX_SEL
1.26V_1
1.8V_DDR
3.3V_1
CEC_TX
SiBE
A
M
 I/
F
I2C_CH4
24
Wireless TX Module
5.0V_ST
3.3V_L
2.5V_L
1.0V_L
2.5V_L
1.5V_L
1.2V_L
1.0V_L
3.3V_L
1.8V_L
Composite
Video
IN
Component
(Y,Pb,Pr)
IN
ANT/
CABLE
IN
RGB
IN
HDMI
IN
(x4)
SERVICE
only
3.3V_TU
I2C_CH6
FE_VMAIN
FRONT
BACK
TX_SEL
CEC_TX
I2C_CH2
DVB
Demodulator
[CE6355]
3.3V_TU
1.8V_TU
I2C_CH2
TS
I2C_CH2
I2C_CH4
I2C_CH6
1.8V_1
Block Diagram
MEDIA-BOX(VIDEO)
PAL CHIP
TUNER
XC5000
LCD/PDP
DIGITAL TV
PROCESSOR
[LGE3369A]
HDMI
Switch
(4-to-1)
[TDA9996]
IF
MiCOM
[WT61P8S]
I2C_CH4
I2C_CH1
I2C_CH2
3.3V_2
3.3V_L
3.3V_2
1.8V_1
3.3V_2
5.0V_1
TX_SEL
1.26V_1
1.8V_DDR
3.3V_1
I2C_CH4
5.0V_ST
Composite
Video
IN
Component
(Y,Pb,Pr)
IN
ANT/
CABLE
IN
RGB
IN
HDMI
IN
(x4)
3.3V_TU
I2C_CH6
BACK
TX_SEL
I2C_CH2
DVB
Demodulator
[CE6355]
I2C_CH2
TS
I2C_CH2
I2C_CH4
I2C_CH6
1.8V_1
A/V Audio-1
A/V Audio-2
COMP Audio-1
COMP Audio-2
RGB Audio
ANALOG
AUDIO
INPUT
DIGITAL
AUDIO
INPUT
I2S
S/PDIF
S/PDIF
OUT
FRONT
FE_SIF
HDMI
Transmitter
[SiI9134]
HDMI
DeMUX
[PI3HDMI1210]
RF
Transceiver
[SB9110]
Network
Processor
[SB9120]
HDMI
Receiver
[SiI9125]
HDMI
SiBE
A
M
 I/
F
3.3V_L
2.5V_L
1.0V_L
2.5V_L
1.5V_L
1.2V_L
1.0V_L
3.3V_L
1.8V_L
HDMI
SERVICE
only
Wireless TX Module
MEDIA-BOX(AUDIO)
Block Diagram
3.3V_TU
1.8V_TU
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