1. No Display on Screen (Screen is black, LED is off)
-
check
Check that CM16 positive is at 5V. (FIG 2.)
Check that the voltage level of JM1 is
approximately 12V
Check JM2 pin1
is12V, pin5 is 5V
ICM1 failure
LM1 failure
Adapter failure
YES
NO
YES
NO
YES NO
Inverter failure
ICM10 failure
YES
NO
Check that
the voltage level of I
CM1
pin 1 is
Approximately 12 V (FIG 1.)
ViewSonic Corporation
Confidential
– Do Not Co
py
VX500+-1
4
0
TROUBLE SHOOTING FLOW CHART
7
.
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...
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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...