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