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RM-36
BB Troubleshooting and Manual Tuning Guide
Loop test
External Mic to External
Earpiece
External Mic to Internal
Earpiece
External Mic to Internal
handsfree
Internal Mic to External
Earpiece
Issue 1
Input terminal Output
terminal
XMICP and GND
HSEAR R P,
HSEAR R N
and GND
HSEAR P,
HSEAR N and
GND
XMICN and GND
HSEAR R P,
HSEAR R N
and GND
HSEAR P,
HSEAR N and
GND
XMICP and GND
EarP and GND
EarN and GND
XMICN and GND
EarP and GND
EarN and GND
XMICP and GND
B2102 pads
XMICN and GND
B2102 pads
B2100 (OUT/
HSEAR R P,
GND)
HSEAR R N
and GND
HSEAR P,
HSEAR N and
GND
HSEAR R P,
HSEAR R N
and GND
HSEAR P,
HSEAR N and
GND
Company Confidential
Copyright ©2005 Nokia. All Rights Reserved.
Path
Input
Different
gain [dB]
voltag
ial
(fixed)
e
output
[mVp-
voltage
p]
[mVp-p]
-2.9
1000
720
-4.5
1000
600
-5
1000
560
22.7
100
1360
Nokia Customer Care
Outpu
Outp
t DC
ut
level
curre
[V]
nt
[mA]
1.2
NA
1.2
NA
0
25m
A
(calc
.)
1.2
NA
Page 6–51
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