Nokia RM-497 - Page 71

Loop
test
Input
termin
al
Output
terminal
Mic Tx
PGA gain
[dB]
Rx PGA
gain
Input
voltage
[mVp-p]
Differential
output
voltage
[mVp-p]
Output
DC level
[V]
Output
current
[mA]
Exter
nal
Mic to
Exter
nal
Earpi
ece
MIC2P
(C2829
) and
GND
HS_EAR_L
[E3485] and
GND
0 -3 1000 710 1.2 NA
HS_EAR_R
[E3484] and
GND
MIC2N
(C2830
) and
GND
HS_EAR_L
[E3485] and
GND
HS_EAR_R
[E3484] and
GND
Exter
nal
Mic to
Inter
nal
Earpi
ece
MIC2P
(C2829
) and
GND
EARP [R2106]
not assembled
and GND
0 -3 1000 710 1.2 NA
EARN [R2107]
not assembled
and GND
MIC2N
(C2830
) and
GND
EARP [R2106]
not assembled
and GND
EARN [R2107]
not assembled
and GND
Exter
nal
Mic to
Inter
nal
hand
sfree
MIC2P
(C2829
) and
GND
HFSPP [E3420] 0 -3 1000 710 0 25mA
(calc.)
HFSPN [E3421]
MIC2N
(C2830
) and
GND
HFSPP [E3420]
HFSPN [E3421]
RM-497
BB Troubleshooting and Manual Tuning Guide
Issue 1 COMPANY CONFIDENTIAL Page 3 – 37
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