DOWNLOAD LG 47LH70YD (CHASSIS:LJ91D) Service Manual ↓ Size: 4.23 MB | Pages: 73 in PDF or view online for FREE

Model
47LH70YD (CHASSIS:LJ91D)
Pages
73
Size
4.23 MB
Type
PDF
Document
Service Manual
Brand
Device
TV / LCD
File
47lh70yd-chassis-lj91d.pdf
Date
PREV: LG 47LH55 (CHASSIS:LA92B) Service Manual

LG 47LH70YD (CHASSIS:LJ91D) Service Manual ▷ View online

Block Diagram
D-sub RGB
HDMI 1
AV2
SIDE_CVBS, SIDE_L/R, SIDE_DET
DDR2 (1Gbit)
Elpida/Hynix
NAND Flash
(512Mbit)
Digital Audio (Optic)
USB
Digital AMP
NTP3100L
RS-232C (Ctrl./SVC)
3x1 
HDMI Switch
I2S
NVRAM
RGB/H/V
VA1G5BF8005
DDR_Data[0:15], DQS, DM …
DDR2 (1Gbit)
Elpida/Hynix
Data[16:31]
Addr.[0:13], ctrl. data
MICOM
(MTV416GMF)
MAX3232
BCM3556
BCM3556
(Brazil)
(Brazil)
Data [0 … 7]
TU_SCLK, TU_SDATA, TU_SYNC
TU_SIF
TU_CVBS_IN
X-tal
RF_Switch, Gain_Switch
SDA0/SCL0_3.3V 
Reset Switch
JTAG
CLK,TDI,TDO,MS,RST
X-tal
24MHz
AV1
Component 1
Y Pb Pr, L/R, DET
CVBS, L/R, AV_DET
CS ,RE,WE……
Component 2
Y Pb Pr, L/R, DET
Audio L/R
Audio L/R (for RGB)
HDMI 2
HDMI 3
SPDIF
RX/TX
RX/TX
Reset IC
54MHz
JACK BACK
JACK BACK
at REAR
at REAR
SCL, SDA_3.3V
SCL, SDA_3.3V
FRC IC
(MST7323S)
DDR2(256Mbit)
Qimonda/Hynix
FRC Block
FRC Block
LVDS
LCD Module
(FHD, 120Hz)
Overall Block Diagram
for Brazil DTV (LH70)
X-tal
12MHz
Bluetooth Module
DP1/DM1
USB_DM1
USB_DP1
DP2/DM2 
USB_DM2
USB_DP2
O.C. Protector
+5V
+5V
I2C & RS232 Communication
I2C & RS232 Communication
BCM3556
HDMI
S/W
MST7323
NTP3100L
SCL0
D3.3V
SDA0
4.7k ohm
4.7k ohm
SCL2
SDA2
4.7k ohm
4.7k ohm
SCL1
SDA1
4.7k ohm
4.7k ohm
SCL3
SDA3
4.7k ohm
4.7k ohm
+3.3V_HDMI
2.7k ohm
2.7k ohm
100 ohm
33PF
100 ohm
33PF
0 ohm
0 ohm
100 ohm
100 ohm
MICOM
22 ohm
22 ohm
VA1G5BF
8005
22 ohm
22 ohm
RS232C_RxD
RS232C_TxD
MAX3232
+5V_ST
4.7k ohm
4.7k ohm
P
7
0
2
100 ohm
100 ohm
P
7
0
1
Sub B/D
Main B/D
22 ohm
22 ohm
22 ohm
22 ohm
47PF
47PF
22 ohm
22 ohm
22 ohm
22 ohm
D3.3V
D3.3V
D3.3V
Block Diagram
BCM3556
BCM3556
FRC
MST7323
FRC
MST7323
CH1
CH2
CH3
CH1 
(+ 3.3V)
CH2 (+3.3V)
CH3 
(+3.3V)
HDMI SW
TDA9996
HDMI SW
TDA9996
Micom
MTV416
0x50
Micom
MTV416
0x50
CH0
EEPROM
AT24C512
0xA6
EEPROM
AT24C512
0xA6
AMP
NTP3100L
0x54
AMP
NTP3100L
0x54
TUNER 1
0xC2
Demod(0x30)
QPSK(0x32)
TUNER 1
0xC2
Demod(0x30)
QPSK(0x32)
CH0 (+3.3V)
• I2C channel [LH70]
Block Diagram
Page of 73
Display

Click on the first or last page to see other 47LH70YD (CHASSIS:LJ91D) service manuals if exist.

RANDOM: