Read LG 42LG72 (CHASSIS:LA86B) Service Manual online
- 23 -
BLOCK DIAGRAM
Audio L/R
Flash
(16MB)
74LVC14APW
TEA6420D
(Audio SW)
MC33078
(AMP)
CS5340
(A/D)
MTV416
(
M
icom
)
NTP3000
(D-AMP)
X200
X-tal(54
ß÷
)
PI3HDMI341ATR
(3x1,S/W)
EEPROM
AT/NT
Tuner
64Bit I/F
Reset
CVBS
CVBS/Y/C
Y/
Cb
/Cr
R/G/B
H/V Sync
Audio L/R
I2S
MNT out
(L/R)
SPDIF
OUT
I2S
Dual LVDS
Connector (FHD)
Full HD(1080P)
RS-232C
Dead IC when Standby
Alive IC when Standby
Video
Front
End
Dual
HDMI
Rx
HD/SD
Video
Encoder
Audio
DSP
BCM3552(HD)
BCM3553(FHD)
MCLK
MCLK
HDMI CEC
HDMI CEC(To
Micom
)
To Micom
SDA
SCL
SIF
IF(AT)
Buffer
Digital out
Single LVDS
Connector(HD
)
Digital out
WXGA(768P)
IR & Local KEY
Buffer
Buffer
24C16
AGC CTL (From BCM)
USB2.0
I2S Audio Input
VSB/QAM/NTSC/SIF
AV1
AV2
COMP1
COMP2
CVBS
DDR(32MB)
(4x16x4)
DDR (128MB)
RGB
Y/
Cb
/Cr
HDMI1
HDMI2
HDMI3
AV1
AV2
COMP1
COMP2
RGB
Coaxial
OUT (LG50)
USB
X400
X-tal(24
ß÷
)
NVRAM
24C512
EEPROM
EEPROM
EEPROM
Click on the first or last page to see other 42LG72 (CHASSIS:LA86B) service manuals if exist.