Hisense LCD24V88APAM Service Manual page 38

Audio XS7 （YPbPr and VGA mutual the channel） Audio XS2 （AV and SV mutual the channel）
2. Control Process：
The Power only has 12V output ，other voltages are converted from 12V. U4 and U7 can interrupt other
voltages while standby, only reserve standby 5V. as following. When TV Power on , Standby Signal is High
level, 5VAIN Power suppluy normally ; When TV standby , the U7 tuner switch is shut off , 5VAIN Power
suppluy is low.
+12V standby signal control as similar as +5V
- 38 -