VGA mode
HDMI mode
Check CN17
R.G.B signal
Check input signal
Check U41
Replace U41
Check U11
Check power for
U11.U9.U5.X1
Check
CN14&CN3
Check input
signal
Check
U46.U55.U56
U47,U57,U58
Replace
U46.U55.U56
U47,U57,U58
Check U40
Replace U40
Check U54
Replace U54
Check U51
Check panel
power 24V
Check panel/
power board
Replace panel
Check power for U51,
CN45&CN59
Replace U51
Check LVDS
wireharness
NO
NO
YES
YES
YES
YES
NO
YES
YES
NO
NO
NO
NO
NO
NO
YES
NO
YES
ViewSonic Corporation
Confidential - Do Not Copy
N4200w-1
76
Summary of Contents for N4200w-1 VS10945-1M
Page 10: ...ViewSonic Corporation Confidential Do Not Copy N4200w 1 9 ...
Page 66: ...10 2 Main PCB Bottom View ViewSonic Corporation Confidential Do Not Copy N4200w 1 65 ...
Page 68: ...10 7AC in Board Top View ViewSonic Corporation Confidential Do Not Copy N4200w 1 67 ...
Page 69: ...10 8AC in Board Bottom View ViewSonic Corporation Confidential Do Not Copy N4200w 1 68 ...
Page 70: ...10 9 IO Board Top View ViewSonic Corporation Confidential Do Not Copy N4200w 1 69 ...
Page 71: ...10 10 IO Board Bottom View ViewSonic Corporation Confidential Do Not Copy N4200w 1 70 ...
Page 72: ...10 11 Power Top View ViewSonic Corporation Confidential Do Not Copy N4200w 1 71 ...
Page 73: ...10 12 Power Bottom View ViewSonic Corporation Confidential Do Not Copy N4200w 1 72 ...