![background image](http://html1.mh-extra.com/html/viewsonic/vx500plus-1/vx500plus-1_service-manual_1020009044.webp)
2. No Display on Screen (LED is green)
NO
YES
NO
Is the backlight lit?
Check that the signal cable is fully
connected to JM9, JM10
Check that the signal cable is
fully connected between the
Inverter and Interface board
Check:
1.RM59 (FIG.9)
2.RM62 (FIG.10)
Failure point
The cable is
disconnected
Failure point
The cable is disconnected
Check JM2 pin1 is12V,
pin5 is 5V
Check ICM11
Pin4is low voltage
Failure point
1.ICM15, ICM16 failure
2.ICM11 failure
Inverter failure
ICM10 failure
YES
YES
NO
YES NO
YES
NO
YES
Check ICM11
Pin5, 6, 7, and
8 is
About 3.3V
ICM10 failure
NO
ICM17 failure
NO
ViewSonic Corporation
Confidential
– Do Not Co
py
VX500+-1
4
1
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...