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.
-31-
Содержание MS901K-AP Series
Страница 1: ...Training Material of MS901K AP Chassis...
Страница 4: ...MS901K AP Series Menu Display 2 Homepage 1 Homepage 2 All Apps 3D Games...
Страница 5: ...MS901K AP Series Menu Display 3 Menu Picture Setting Source Settings...
Страница 14: ...12 07 240WU5 MS3G external antenna External Antenna To P1005 Module Introduction 2 4G Module for 85...
Страница 15: ...Chassis Block Diagram MS901 13 DDR3 1V5 DDR2 1V8 DDR1 2V5...
Страница 16: ...Chassis Block Diagram 6M40 14...
Страница 17: ...Power Supply Block Diagram 15...
Страница 18: ...Power Supply Block Diagram 16...
Страница 25: ...Key Test Point DC to DC 24V to 12V 23 L007 U004...
Страница 26: ...Key Test Point DC to DC 24 24V to 5V L001 Q004 U005...
Страница 27: ...Key Test Point DC to DC 25 24V to 6M40_5V L1103 U1105...
Страница 28: ...Key Test Point DC to DC 26 5V to 1V5_DDR U001 same with 6M40_5V to 1 5V_DDR_S U1102 L016 L1102 U001 U1102...
Страница 31: ...Key Test Point 29 U101 5V to TU_3V3 LDO...
Страница 32: ...Key Test Point 30 Q1401 Panel Power Q1402...
Страница 35: ...Unit Circuit Analysis and Testing Backlight 100 Backlight 50 33 Backlight and Dimming...
Страница 47: ...Trouble Shooting No Picture 45...
Страница 48: ...Trouble Shooting No Sound 46...
Страница 49: ...Trouble Shooting Abnormal Picture 47...
Страница 50: ...Trouble Shooting Network Fault wired 48...
Страница 51: ...Trouble Shooting Network Fault wireless 49...
Страница 59: ...Thank you...