LG LHB976 Service Manual page 135

MAIN SET BLOCK DIAGRAM
1-3. HDMI / VFD / TOUCH / VIDEO / DC-DC BLOCK DIAGRAM
VFD
12C(1)
VFD
SPI(2)
ET16315
EDID_I2C
HDMI
EDID_SW
EDID
EDID SW
EEPROM
HDMI
Connector
HPD
HPD
HDMI_5V
5V
DDC_SDA,SCL
DDC_I2C
TMDS
TMDS
TMDS, DDC,HPD
HDMI_IN
INT_RX,TX,
HDMI_
(2 Input)
SDA,SCL
RESET
From
BCM
TOUCH
- HB906 : 6key (PWR : Tact, Vol : Encoder)
- HB966 : 9key
From
Micom
ADV7622
DDC_DAT,CLK
RX TX
HPD
TMDS
I2S I2S
To From
DSP DSP
12C(2)_Touch
TOUCH
ATLAB
CEC
HDMI_OUT
From
Component
From
i-pod / CVBS
2-123 2-124
Main PCB
Amp PCB
DC-DC Block
3.3V 1.5V 1.2V
VIDEO
THS7316
Video Drive
MM1225
THS7314
Video SW Video Drive
SMPS PCB
VCC_12V
DC-DC
AOZ1037
DC-DC
AOZ1073
VCC_3.7VA
LDO
TJ3965
Compo. out
CVBS out