Service Manual
Wireless 2.4G Tw
Version 1.0
Page 26
♦
Check the wave diagram of Pin 1 on J1
Check wave diagram of pin1 on J1 when keyboard transmits signal to receiver.
Page 1: ...Service Manual Wireless 2 4G TwinTouch...
Page 2: ...k the J2 RF 2 4G box 7 2 Receiver of Keyboard Testing Procedure 16 A Check the Oscillator X1 17 B Check the U2 19 C Check the J1 24 3 Mouse Testing Procedure 27 A Check the Oscillator 28 B Check the U...
Page 3: ...agram is not right please replace old with new one TEST OK Please check the voltage and the wave diagram of U1 If the wave diagram is different please replace U1 Please check the wave diagram of J2 RF...
Page 4: ...Service Manual Wireless 2 4G TwinTouch Version 1 0 Page 4 A Check the Oscillator Please check if there is 4MHz on oscillator by Oscilloscope...
Page 5: ...Service Manual Wireless 2 4G TwinTouch Version 1 0 Page 5 B Check the U1 Check the wave diagram of U1 Check the wave diagram of U1 The wave diagram should be the same with below...
Page 6: ...Service Manual Wireless 2 4G TwinTouch Version 1 0 Page 6 Check the voltage of U1 Check the U1 3V voltage and it should be the same with below...
Page 7: ...Service Manual Wireless 2 4G TwinTouch Version 1 0 Page 7 C Check the J2 RF 2 4G box Check the wave diagram of Pin 1 on J2 Check the wave diagram of pin 1 on J2 and it should be the same with below...
Page 8: ...Service Manual Wireless 2 4G TwinTouch Version 1 0 Page 8 Check the wave diagram of Pin 2 on J2 Check the wave diagram of pin 2 on J2 and it should be the same with below...
Page 9: ...Service Manual Wireless 2 4G TwinTouch Version 1 0 Page 9 Check the wave diagram of Pin 3 on J2 Check the wave diagram of pin 3 on J2 and it should be the same with below...
Page 10: ...Service Manual Wireless 2 4G TwinTouch Version 1 0 Page 10 Check the wave diagram of Pin 4 on J2 Check the wave diagram of pin 4 on J2 and it should be the same with below...
Page 11: ...Service Manual Wireless 2 4G TwinTouch Version 1 0 Page 11 Check the wave diagram of Pin 5 on J2 Check the wave diagram of pin 5 on J2 and it should be the same with below...
Page 12: ...Service Manual Wireless 2 4G TwinTouch Version 1 0 Page 12 Check the wave diagram of Pin 6 on J2 Check the wave diagram of pin 6 on J2 and it should be the same with below...
Page 13: ...Service Manual Wireless 2 4G TwinTouch Version 1 0 Page 13 Check the wave diagram of Pin 7 on J2 Check the wave diagram of pin 7 on J2 and it should be the same with below...
Page 14: ...Service Manual Wireless 2 4G TwinTouch Version 1 0 Page 14 Check the wave diagram of Pin 8 on J2 Check the wave diagram of pin 8 on J2 and it should be the same with below...
Page 15: ...Service Manual Wireless 2 4G TwinTouch Version 1 0 Page 15 Check the wave diagram of Pin 10 on J2 Check the wave diagram of pin 10 on J2 and it should be the same with below...
Page 16: ...check the oscillator by Oscilloscope If the wave diagram is not right please replace the oscillator TEST OK Please check the voltage and the wave diagram of U2 If the wave diagram is different please...
Page 17: ...Service Manual Wireless 2 4G TwinTouch Version 1 0 Page 17 A Check the Oscillator X1 Please check the first point of Oscillator X1 Please check if there is 8MGH on oscillator...
Page 18: ...Service Manual Wireless 2 4G TwinTouch Version 1 0 Page 18 Please check the second point of Oscillator X1 Please check if there is 8MGH on oscillator...
Page 19: ...Service Manual Wireless 2 4G TwinTouch Version 1 0 Page 19 B Check the U2 Check the wave diagram of Pin 5 on U2 Check wave diagram of pin5 on U2 when keyboard transmits signal to receiver...
Page 20: ...Service Manual Wireless 2 4G TwinTouch Version 1 0 Page 20 Check the wave diagram of Pin 9 on U2 Check wave diagram of pin9 on U2 when keyboard transmits signal to receiver...
Page 21: ...Service Manual Wireless 2 4G TwinTouch Version 1 0 Page 21 Check the wave diagram of Pin 14 on U2 Check wave diagram of pin14 on U2 when keyboard transmits signal to receiver...
Page 22: ...Service Manual Wireless 2 4G TwinTouch Version 1 0 Page 22 Check the wave diagram of Pin 15 on U2 Check wave diagram of pin15 on U2 when keyboard transmits signal to receiver...
Page 23: ...Service Manual Wireless 2 4G TwinTouch Version 1 0 Page 23 Check the wave diagram of Pin 25 on U2 Check wave diagram of pin25 on U2 when keyboard transmits signal to receiver...
Page 24: ...Service Manual Wireless 2 4G TwinTouch Version 1 0 Page 24 C Check the J1 Check the wave diagram of Pin 6 on J1 Check wave diagram of pin6 on J1 when keyboard transmits signal to receiver...
Page 25: ...Service Manual Wireless 2 4G TwinTouch Version 1 0 Page 25 Check the wave diagram of Pin 7 on J1 Check wave diagram of pin7 on J1 when keyboard transmits signal to receiver...
Page 26: ...Service Manual Wireless 2 4G TwinTouch Version 1 0 Page 26 Check the wave diagram of Pin 1 on J1 Check wave diagram of pin1 on J1 when keyboard transmits signal to receiver...
Page 27: ...is not right please replace the oscillator TEST OK Please check the voltage and the wave diagram of U2 If the wave diagram is different please replace U2 Please check the wave diagram of J1 RF 2 4G b...
Page 28: ...ervice Manual Wireless 2 4G TwinTouch Version 1 0 Page 28 A Check the Oscillator Check the first point of Oscillator X1 Please check the wave diagram of oscillator and it should be the same with below...
Page 29: ...Service Manual Wireless 2 4G TwinTouch Version 1 0 Page 29 Check the second point of Oscillator X1 Please check the wave diagram of oscillator and it should be the same with below...
Page 30: ...Service Manual Wireless 2 4G TwinTouch Version 1 0 Page 30 B Check the U2 Check the voltage of U2 Please check the pin of U2 and the voltage should be 3V as below...
Page 31: ...ce Manual Wireless 2 4G TwinTouch Version 1 0 Page 31 Check the voltage of pin on U2 when mouse is not working Please check the pin of U2 and the voltage should be 3V as below when the mouse is not wo...
Page 32: ...Service Manual Wireless 2 4G TwinTouch Version 1 0 Page 32 Check the voltage of U2 when mouse is working Please check the pin of U2 and the voltage should be 3V as below when the mouse is working...
Page 33: ...Service Manual Wireless 2 4G TwinTouch Version 1 0 Page 33 C Check the J1 RF 2 4G box Check the wave diagram of Pin 1 on J1 Check wave diagram of pin1 on J1 when mouse transmits signal to receiver...
Page 34: ...Service Manual Wireless 2 4G TwinTouch Version 1 0 Page 34 Check the wave diagram of Pin 2 on J1 Check wave diagram of pin2 on J1 when mouse transmits signal to receiver...
Page 35: ...Service Manual Wireless 2 4G TwinTouch Version 1 0 Page 35 Check the wave diagram of Pin 3 on J1 Check wave diagram of pin3 on J1 when mouse transmits signal to receiver...
Page 36: ...Service Manual Wireless 2 4G TwinTouch Version 1 0 Page 36 Check the wave diagram of Pin 5 on J1 Check wave diagram of pin5 on J1 when mouse transmits signal to receiver...
Page 37: ...Service Manual Wireless 2 4G TwinTouch Version 1 0 Page 37 Check the wave diagram of Pin 8 on J1 Check wave diagram of pin8 on J1 when mouse transmits signal to receiver...
Page 38: ...Service Manual Wireless 2 4G TwinTouch Version 1 0 Page 38 Check the wave diagram of Pin 9 on J1 Check wave diagram of pin9 on J1 when mouse transmits signal to receiver...
Page 39: ...eless 2 4G TwinTouch Version 1 0 Page 39 D Check the U1 Check the wave diagram of Pin 6 on U1 When mouse is working please check the wave diagram of pin6 on U1 and it should be the same with below whe...
Page 40: ...al Wireless 2 4G TwinTouch Version 1 0 Page 40 Check the wave diagram of Pin 14 on U1 When mouse is working please check the wave diagram of pin14 on U1 and it should be the same with below when mouse...
Page 41: ...al Wireless 2 4G TwinTouch Version 1 0 Page 41 Check the wave diagram of Pin 15 on U1 When mouse is working please check the wave diagram of pin15 on U1 and it should be the same with below when mouse...
Page 42: ...al Wireless 2 4G TwinTouch Version 1 0 Page 42 Check the wave diagram of Pin 16 on U1 When mouse is working please check the wave diagram of pin16 on U1 and it should be the same with below when mouse...
Page 43: ...al Wireless 2 4G TwinTouch Version 1 0 Page 43 Check the wave diagram of Pin 17 on U1 When mouse is working please check the wave diagram of pin17 on U1 and it should be the same with below when mouse...
Page 44: ...eck the oscillator by Oscilloscope If the wave diagram is different please replace the oscillator TEST OK Please check the voltage and the wave diagram of U1 If the wave diagram is different please re...
Page 45: ...Service Manual Wireless 2 4G TwinTouch Version 1 0 Page 45 A Check the Oscillator Please check the first point of Oscillator X1 Please check if there is 8MGH on oscillator...
Page 46: ...Service Manual Wireless 2 4G TwinTouch Version 1 0 Page 46 Please check the second point of Oscillator X1 Please check if there is 8MGH on oscillator...
Page 47: ...Service Manual Wireless 2 4G TwinTouch Version 1 0 Page 47 B Check the U1 Check the wave diagram of Pin 6 on U1 Check wave diagram of pin6 on U1 when mouse transmits signal to receiver...
Page 48: ...Service Manual Wireless 2 4G TwinTouch Version 1 0 Page 48 Check the wave diagram of Pin 11 on U1 Check wave diagram of pin11 on U1 when mouse transmits signal to receiver...
Page 49: ...Service Manual Wireless 2 4G TwinTouch Version 1 0 Page 49 Check the wave diagram of Pin 12 on U1 Check wave diagram of pin12 on U1 when mouse transmits signal to receiver...
Page 50: ...Service Manual Wireless 2 4G TwinTouch Version 1 0 Page 50 Check the wave diagram of Pin 13 on U1 Check wave diagram of pin13 on U1 when mouse transmits signal to receiver...
Page 51: ...Service Manual Wireless 2 4G TwinTouch Version 1 0 Page 51 C Check the J1 Check the wave diagram of Pin 1 on J1 Check wave diagram of pin1 on J1 when mouse transmits signal to receiver...
Page 52: ...Service Manual Wireless 2 4G TwinTouch Version 1 0 Page 52 Check the wave diagram of Pin 2 on J1 Check wave diagram of pin2 on J1 when mouse transmits signal to receiver...
Page 53: ...Service Manual Wireless 2 4G TwinTouch Version 1 0 Page 53 Check the wave diagram of Pin 6 on J1 Check wave diagram of pin6 on J1 when mouse transmits signal to receiver...
