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ViewSonic Corporation
Confidential - Do Not Copy
VP2650wb-1
9
ELECTRICAL REQUIREMENT
Horizontal / Vertical Frequency
Horizontal Frequency
Analog = 24 – 92 kHz
Digital = 31 – 92 kHz
Vertical Refresh Rate
50 – 85 Hz
Maximum Pixel Clock
Analog =
195
MHz
Digital = 165 MHz
Sync Polarity
Independent of sync polarity
Timing Table
Analog
Item Timing
Sep
arated
Comp
osite
SOG
Digit
al -
TM
D
S
Remark
640 x 350 @ 70 Hz, 31.5 KHz
DMT
640 x 400 @ 60 Hz, 31.5 KHz
DMT
For SOG sync, switch 640x400@60Hz and
640x480@60Hz by [1]+[2] short cut key (primary =
640x480@60Hz)
640 x 400 @ 70 Hz, 31.5 KHz
DMT
For Separate, Composite and SOG, the image vertical
size image will be not full screen (Still at the center),
And the OSD will be 640x400/720x400 (promary=
640x400).
640 x 480 @ 50 Hz, 24.7 KHz
CVT
640 x 480 @ 60 Hz, 31.5 KHz
DMT
For SOG sync, switch 640x400@60Hz and
640x480@60Hz by [1]+[2] short cut key (primary =
640x480@60Hz)
640 x 480 @ 67 Hz, 35
KHz
For MAC
640 x 480 @ 72 Hz, 37.9 KHz
DMT
640 x 480 @ 75 Hz, 37.5 KHz
DMT
640 x 480 @ 85 Hz, 43.3 KHz
DMT
720 x 400 @ 70 Hz, 31.5 KHz
DMT
For Separate, Composite and SOG, the image vertical
size image will be not full screen (Still at the center),
And the OSD will be 640x400/720x400 (promary=
640x400).
720 x 480 @ 60 Hz, 15.8 KHz
1. DTV 480i
2. Cause of interlace signal, the image might be flicker.
720 x 480 @ 60 Hz, 31.5 KHz
DTV 480p
Summary of Contents for VP2650WB - 26" LCD Monitor
Page 42: ...ViewSonic Corporation Confidential Do Not Copy VP2650wb 1 39 Step4 Step 5 Step 6 ...
Page 43: ...ViewSonic Corporation Confidential Do Not Copy VP2650wb 1 40 Step 7 Step 8 Step 9 ...
Page 44: ...ViewSonic Corporation Confidential Do Not Copy VP2650wb 1 41 Step 10 Step 11 ...
Page 51: ...ViewSonic Corporation Confidential Do Not Copy VP2650wb 1 48 4 Packing procedure ...
Page 53: ...ViewSonic Corporation Confidential Do Not Copy VP2650wb 1 50 6 Troubleshooting Flow Chart ...
Page 54: ...ViewSonic Corporation Confidential Do Not Copy VP2650wb 1 51 ...
Page 55: ...ViewSonic Corporation Confidential Do Not Copy VP2650wb 1 52 ...
Page 56: ...ViewSonic Corporation Confidential Do Not Copy VP2650wb 1 53 5 Power no work troubleshooting ...
Page 57: ...ViewSonic Corporation Confidential Do Not Copy VP2650wb 1 54 Power no PFC troubleshooting ...
Page 58: ...ViewSonic Corporation Confidential Do Not Copy VP2650wb 1 55 6 Transmitter Board ...
Page 76: ...9 PCB Layout Diagrams ViewSonic Corporation Confidential Do Not Copy VP2650wb 1 73 ...
Page 77: ...ViewSonic Corporation Confidential Do Not Copy VP2650wb 1 74 ...
Page 78: ...ViewSonic Corporation Confidential Do Not Copy VP2650wb 1 75 ...
Page 79: ...ViewSonic Corporation Confidential Do Not Copy VP2650wb 1 76 ...