Hdmi / Vfd / Touch / Video / Dc-Dc Block Diagram - LG HX966TZ Service Manual

3. HDMI / VFD / TOUCH / VIDEO / DC-DC BLOCK DIAGRAM

VFD
12C(1)
SPI(2)
MC3401L
HDMI
HDMI
Connector
HPD
HPD
HDMI_5V
5V
DDC_I2C
TMDS
TMDS
TMDS, DDC,HPD
HDMI_IN
HDMI_
(2 Input)
SDA,SCL
ARC_SPDIF
From
BCM
TOUCH
VFD
- HB906 : 6key (PWR : Tact, Vol : Encoder)
- HB966 : 8key(CY8C20446A)
From
Micom
ADV7622
RX TX
INT_RX,TX,
RESET
I2S I2S
To To From
DIR DSP DSP
12C(2), IRQ1
TOUCH
CY8C21434(20446)
CEC
DDC_DAT,CLK
HDMI_OUT
HPD
TMDS
ARC
From
Component
From
i-pod / CVBS
2-119 2-120
P_KEY
12C(2), IRQ2
TOUCH
CY8C21434
Only HB966
DCDC Block
3.3V_BCM 3.3V 1.5V 1.2V
DC-DC
AOZ1037
DC-DC
AOZ1072
TJ3965
TJ3965
VIDEO
THS7365
Video Drive
MM1507
Video SW
VCC_14V
VCC_3.8VA
LDO
LDO
Comp. out
CVBS out