Sanyo XT-24S7000F - Page 45

8、Function Trouble（TV video）
TV can’t search any
channel/no picture
Check input RF signal
Check the RF source
Check tuner power
Check power supply circuit
Check if IIC work
Check IIC circuit Check LVIF output signal
Check tuner and
peripheral components
Check the circuit from
tuner to V56
N
Y
N
N
N
Y
Y
Y