User Guide

PAMS
Technical Documentation
NSE–8/9
Troubleshooting
Page 22
Issue 1 07/99
Downlink broken
Voltage on C221 &
C222 is 1.4VDC
during call
Check C221, C222,
C223, C224, B201, L202,
L203 and N200
Audio signal on L202
& L203 during call
when speaker should
emit sound
Check L202, L203
B201, N200 & D300
No
Yes
No
Yes
Is earpiece
properly mounted
Repair or new module
Check if springs are
damages
No
Yes
Figure 4–17