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- 21 –
ViewSonic Corporation
Confidential - Do Not Cop
VA1721wmb
7
OVPT
Over-voltage/ over-current protection threshold setting pin
8 NC
No
connection
9 NC
No
connection
10
ENA
ON/OFF control of IC
11 LCT
Timing capacitor to set internal PWM dimming frequency and also a
pin for analog dimming selection
12
SSECMP Capacitor for soft start time and loop compensation
13
CT
Timing resistor and capacitor for operation and striking frequency
14
GNDA
Ground for analog signals
15 DRV2 Drive
output
16
PGND
Ground for power paths
Summary of Contents for VA1721wmb - 17" LCD Monitor
Page 22: ...22 ViewSonic Corporation Confidential Do Not Cop VA1721wmb Block Diagram...
Page 36: ...36 ViewSonic Corporation Confidential Do Not Cop VA1721wmb...
Page 38: ...38 ViewSonic Corporation Confidential Do Not Cop VA1721wmb...
Page 41: ...41 ViewSonic Corporation Confidential Do Not Cop VA1721wmb 5 7 Packing Procedure...
Page 42: ...42 ViewSonic Corporation Confidential Do Not Cop VA1721wmb 6 Troubleshooting Flow Chart...
Page 56: ...56 ViewSonic Corporation Confidential Do Not Cop VA1721wmb Packing For Shipping...
Page 60: ...60 ViewSonic Corporation Confidential Do Not Cop VA1721wmb Picture 19...
Page 61: ...61 ViewSonic Corporation Confidential Do Not Cop VA1721wmb 10 Block Diagram...
Page 71: ...71 ViewSonic Corporation Confidential Do Not Cop VA1721wmb 12 2 MAIN BOARD PCB BUTTON VIEW...
Page 72: ...72 ViewSonic Corporation Confidential Do Not Cop VG1721wm VA1721wm 12 3 POWER PCB TOP VIEW...
Page 73: ...73 ViewSonic Corporation Confidential Do Not Cop VG1721wm VA1721wm 12 4 POWER PCB BUTTON VIEW...
Page 75: ...75 ViewSonic Corporation Confidential Do Not Cop VA1721wmb 12 7 POWER PCB TOP BUTTON VIEW Q...