4-4
CN15V*
4 Troubleshooting
4-6 Microphones Don’t Work
No
Does the PC’s sound
program operate well?
Check the PC’s sound program
and compatibility.
Yes
OK
No
Does the External Microphone
work?
Check the CN803 jack.
Yes
No
Is the connection between the PC
and monitor secure?
Connect the cable between the PC
and monitor.
Yes
OK
No
Can you hear any sound from
the Headphones?
Check CN802 on the Audio PCB
and related circuit D805, D806,
R811, and R812.
Yes
No
Is the Internal Microphone
connector attached?
Check the connection between
CN808 on the Audio PCB and the
Internal Microphone.
Yes
No
Does the Internal Microphone
work?
Check Q801 and related circuits.
Yes
4-7 Headphones Don’t Work
Summary of Contents for CN15V Series
Page 6: ...CN15V 5 1 5 Exploded View and Parts List 5 1 Simple Base 20 ...
Page 8: ...CN15V 7 1 7 Block Diagram ...
Page 9: ...CN15V 8 1 8 Wiring Diagram 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 ...
Page 11: ...9 Schematic Diagrams 9 2 CN15V 9 2 LVDS Part Schematic diagram 4 4 CN201 3 16 CH1 RMS 1 214V ...
Page 12: ...9 Schematic Diagrams CN15V 9 3 9 3 Micom Part Schematic diagram 12V_IN VCC ...
Page 13: ...9 Schematic Diagrams 9 4 CN15V Memo ...
Page 14: ...Memo 8 Wiring Diagram 8 2 CN15V ...
Page 15: ...7 Block Diagrams 7 2 CN15V Memo ...
Page 19: ...5 Exploded View Parts List 5 2 CN15V 5 2 Multi Media Base ...
Page 20: ...5 Exploded View Parts List CN15V 5 3 5 3 Pivot MultiMedia Base ...
Page 21: ...5 Exploded View Parts List 5 4 CN15V 5 4 Angle Pivot Base ...
Page 22: ...5 Exploded View Parts List CN15V 5 5 5 5 Wire Frame Base 20 ...
Page 23: ...5 Exploded View Parts List 5 6 CN15V Memo ...