Unit Circuit Analysis and Testing
----Standby and Power On
①
Once AC Inputs, power board will provide a 3V3SB to the main board. Then
TV set enters standby mode, and the indicator on.Press the power button of
the remote control or the key board to turn on TV, then the Indicator off.
②
Pin C3 of U400 sends out a high level, across R002, then directly send to
power board through pin10 of P001 on the main board, control the Power on.
Then the power board output 24V to main board and driver board.
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Summary of Contents for MS901K-AP Series
Page 1: ...Training Material of MS901K AP Chassis...
Page 4: ...MS901K AP Series Menu Display 2 Homepage 1 Homepage 2 All Apps 3D Games...
Page 5: ...MS901K AP Series Menu Display 3 Menu Picture Setting Source Settings...
Page 15: ...Chassis Block Diagram MS901 13 DDR3 1V5 DDR2 1V8 DDR1 2V5...
Page 16: ...Chassis Block Diagram 6M40 14...
Page 17: ...Power Supply Block Diagram 15...
Page 18: ...Power Supply Block Diagram 16...
Page 25: ...Key Test Point DC to DC 24V to 12V 23 L007 U004...
Page 26: ...Key Test Point DC to DC 24 24V to 5V L001 Q004 U005...
Page 27: ...Key Test Point DC to DC 25 24V to 6M40_5V L1103 U1105...
Page 31: ...Key Test Point 29 U101 5V to TU_3V3 LDO...
Page 32: ...Key Test Point 30 Q1401 Panel Power Q1402...
Page 35: ...Unit Circuit Analysis and Testing Backlight 100 Backlight 50 33 Backlight and Dimming...
Page 47: ...Trouble Shooting No Picture 45...
Page 48: ...Trouble Shooting No Sound 46...
Page 49: ...Trouble Shooting Abnormal Picture 47...
Page 50: ...Trouble Shooting Network Fault wired 48...
Page 51: ...Trouble Shooting Network Fault wireless 49...
Page 59: ...Thank you...