![background image](http://html1.mh-extra.com/html/viewsonic/vx500plus-1/vx500plus-1_service-manual_1020009045.webp)
3. No Power On
Check that JM1 Pin1 is approximately 12V
YES
NO
Check that ICM1 PIN1 and
ICM2 Pin 1,2,3 is 12V
Failure point
1. AC adapter failure
2. Disconnected between JM1 and power cord
Check that ICM2
Pin5, 6, 7, and 8 is
YES NO
Check that LM5
pin 2 is about 5V
YES NO
Failure point
LM1 failure
Failure point
ICM2 failure
Failure point
1.LM5 failure
2.DM1 failure
3.ICM1 failure
NO
ViewSonic Corporation
Confidential
– Do Not Co
py
VX500+-1
4
2
Summary of Contents for VX500PLUS-1
Page 42: ...FIG 13 AUDIO SINE SIGNAL OUT ViewSonic Corporation Confidential Do Not Copy VX500 1 39...
Page 54: ...A A A A ViewSonic Corporation Confidential Do Not Copy VX500 1 51 10 EXPLODED PARTS VIEW...
Page 55: ...ViewSonic Corporation Confidential Do Not Copy VX500 1 52...
Page 56: ...ViewSonic Corporation Confidential Do Not Copy VX500 1 53...
Page 57: ...ViewSonic Corporation Confidential Do Not Copy VX500 1 54...
Page 60: ...ViewSonic Corporation Confidential Do Not Copy VX500 1 57 11 BLOCK DIAGRAM...
Page 67: ...ViewSonic Corporation Confidential Do Not Copy VX500 1 64 13 PCB LAYOUT DIAGRAM...
Page 68: ...ViewSonic Corporation Confidential Do Not Copy VX500 1 65...