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Problems Checking Points Checking components
1) TV does not have any 1) Check setting of the set in * This year HDMI always ON.
display. Set FL display Setup Menu whether the HDMI No need check Setup Menu.
shows U702/U703 Video output is turned ON If no resolution selection GUI, then
only check SETUP.
2) +5V Supply to the TV IC3952 (Pin 4)
3) HDMI Connector Solderability P3901
condition
4) HDMI Output TDMS signal
lines (IC3901)
- Data (TX0P/M => 14, 16) L3905
- Data (TX1P/M => 18, 20) L3904
- Data (TX2P/M => Pin 22, 24) L3903
- Clock (TXCP/TXCM => L3906
Pin 10, 12)
5) HDMI Transmitter
communication lines to TV
- Data, SDA (Pin 120, IC3901) LB3905, R3905, Q3902, R3904
- Clock, SCL (Pin 121, IC3901) LB3904, R3907, Q3903, R3906
6) HDMI Transmitter RX3901
communication from LSI (IC8001)
(I2C_SCL/I2C_SDA signals)
7) Local Port Slave Address R3921
setting resistor at Pin 99 of HDMI
Transmitter LSI IC (IC3901) for
LPSA signal
8) HDMI Transmitter LSI IC LB3901, LB3902, IC3901
(IC3901) +3.3V Supply (Pin 9, 13, 17, 21, 25, 124)
9) HDMI Transmitter LSI IC IC3901 (Pin 5, 26, 42, 47, 55, 75,
(IC3901) +1.2V Supply 85, 102, 109, 116, 123), LB3908,
IC8151 (Pin 4), LB8001, IC8001
(Pin 20, 44, 83, 158, 187, 211)
10) HDMI Up-Con +3.3V Supply LB3901
11) HDMI Pixel Clock Output from LB8901
Up-Con to HDMI Transmitter
(VCLK)
12) Up-Con IC I2C Data and RX3901
Clock Line