![background image](http://html1.mh-extra.com/html/viewsonic/vg500-2/vg500-2_service-manual_1021188029.webp)
Check if Audio jack
properly insert
Yes
Press mute key again
to release
YES
NO
Check if CN701 is
connected to U701
properly
No
Replace U701
U701 #1 voltage is
12V
Yes
YES
No sound
Check if mute key
is pressed
Check U801 output
#7 is normal
No
Replace U801
Check U701 output
#2,#4,#10,#12 are
normal
No
!
!
ViewSonic Corporation
26
Confidential
– Do Not Copy
VG500-2
Summary of Contents for VG500-2
Page 25: ...Zfbs0Xfflt 3114012 Tfsjbm Op 11112 ViewSonic Corporation 22 Confidential Do Not Copy VG500 2...
Page 53: ...TP TP TP TP ViewSonic Corporation Confidential Do Not Copy VG500 2 50...
Page 54: ...ViewSonic Corporation 51 Confidential Do Not Copy VG500 2 11 PCB Layout Diagrams...
Page 55: ...ViewSonic Corporation 52 Confidential Do Not Copy VG500 2...