Lenovo ThinkPad 570 English - Hardware Maintenance Manual for 570 systems - Page 88

LCD front bezel, the number of missing, discolored, or lighted dots in any

Get Lenovo ThinkPad 570 PDF manuals and user guides View all Lenovo ThinkPad 570 manuals
Add to My Manuals
Save this manual to your list of manuals

Page 88 highlights

Removing and replacing a FRU 2010 LCD front bezel Battery pack (1010) Hard disk drive (1040) Keyboard (1050) Center cover (1060) Frame and power switch (1080) LCD unit (1170) CAUTION: The inverter card has a high tension current. To avoid shock hazard, never power on the computer when the LCD cover is opened. The TFT LCD for the notebook computer contains many thin-film transistors (TFTs). A small number of dots that are missing, discolored, or always lighted is characteristic of TFT LCD technology, but excessive pixel problems can cause viewing concerns. The LCD should be replaced if the number of missing, discolored, or lighted dots in any background is: SVGA (12.1 in.): 5 or more bright dots, 5 or more dark dots or a total of 9 or more bright and dark dots. XGA (13.3 in.): 8 or more bright dots, 8 or more dark dots or a total of 9 or more bright and dark dots. (continued) 84 ThinkPad 570 and 570E Hardware Maintenance Manual

  • 1
  • 2
  • 3
  • 4
  • 5
  • 6
  • 7
  • 8
  • 9
  • 10
  • 11
  • 12
  • 13
  • 14
  • 15
  • 16
  • 17
  • 18
  • 19
  • 20
  • 21
  • 22
  • 23
  • 24
  • 25
  • 26
  • 27
  • 28
  • 29
  • 30
  • 31
  • 32
  • 33
  • 34
  • 35
  • 36
  • 37
  • 38
  • 39
  • 40
  • 41
  • 42
  • 43
  • 44
  • 45
  • 46
  • 47
  • 48
  • 49
  • 50
  • 51
  • 52
  • 53
  • 54
  • 55
  • 56
  • 57
  • 58
  • 59
  • 60
  • 61
  • 62
  • 63
  • 64
  • 65
  • 66
  • 67
  • 68
  • 69
  • 70
  • 71
  • 72
  • 73
  • 74
  • 75
  • 76
  • 77
  • 78
  • 79
  • 80
  • 81
  • 82
  • 83
  • 84
  • 85
  • 86
  • 87
  • 88
  • 89
  • 90
  • 91
  • 92
  • 93
  • 94
  • 95
  • 96
  • 97
  • 98
  • 99
  • 100
  • 101
  • 102
  • 103
  • 104
  • 105
  • 106
  • 107
  • 108
  • 109
  • 110
  • 111
  • 112
  • 113
  • 114
  • 115
  • 116
Removing and replacing a FRU
2010
LCD front bezel
±
Battery pack
(1010)
±
Hard disk drive
(1040)
±
Keyboard
(1050)
±
Center cover
(1060)
±
Frame and power switch
(1080)
±
LCD unit
(1170)
CAUTION:
The inverter card has a high tension current.
To avoid
shock hazard, never power on the computer when the
LCD cover is opened.
The TFT LCD for the notebook computer contains many
thin-film transistors (TFTs).
A small number of dots that
are missing, discolored, or always lighted is characteristic
of TFT LCD technology, but excessive pixel problems can
cause viewing concerns.
The LCD should be replaced if
the number of missing, discolored, or lighted dots in any
background is:
±
SVGA (12.1 in.):
5 or more bright dots, 5 or more
dark dots or a total of 9 or more bright and dark dots.
±
XGA (13.3 in.):
8 or more bright dots, 8 or more dark
dots or a total of 9 or more bright and dark dots.
(continued)
84
ThinkPad 570 and 570E Hardware Maintenance
Manual