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JHT01 Service Manual
6-13
5. Keyboard
Troubleshooting
Figure 6-4 Keyboard troubleshooting process
START
Perform external keyboard cheek
(Procedure 1)
Does the external
keyboard function
ok?
Perform diagnostic check
(Procedure 2)
Was a keyboard problem
detected?
Keyboard is not
faulty. Continue
troubleshooting
refer to Figure 2.1
Perform connector and
replacement check (Procedure 3)
Replace system board
END
No
No
Yes
Yes
Summary of Contents for JHT01
Page 1: ...Service Manual JHT01...
Page 2: ......
Page 3: ...Chapter 1 System Description Specification...
Page 4: ......
Page 6: ......
Page 12: ......
Page 13: ...Chapter 2 Software Specification...
Page 14: ......
Page 60: ......
Page 61: ...Chapter 3 Hardware...
Page 62: ......
Page 63: ...Contents Chapter 3 Hardware 1 Top View 3 1 2 Bottom View 3 2...
Page 64: ......
Page 67: ...Chapter 4 DC DC Converter...
Page 68: ......
Page 70: ......
Page 88: ......
Page 89: ...Chapter 5 Disassembly Guide...
Page 90: ......
Page 92: ......
Page 98: ...JHT01 Service Manual 5 6 4 Grasp the module and pull it out...
Page 113: ...JHT01 Service Manual 5 21 3 Remove the LCD module...
Page 117: ...JHT01 Service Manual 5 25 7 Detach the LVDS cable from the back of the LCD panel...
Page 120: ...JHT01 Service Manual 5 28 3 Lift off the logic upper...
Page 125: ...Chapter 6 Testing and Troubleshooting...
Page 126: ......