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Loop test
Input terminal Output
terminal
Path
gain [dB]
(fixed)
Input
voltag
e
[mVp-
p]
Different
ial
output
voltage
[mVp-p]
Outpu
t DC
level
[V]
Outp
ut
curre
nt
[mA]
External Mic to External
Earpiece
XMICP and GND
HSEAR R P,
HSEAR R N
and GND
-2.9
1000
720
1.2
NA
HSEAR P,
HSEAR N and
GND
XMICN and GND
HSEAR R P,
HSEAR R N
and GND
HSEAR P,
HSEAR N and
GND
External Mic to Internal
Earpiece
XMICP and GND
EarP and GND -4.5
1000
600
1.2
NA
EarN and GND
XMICN and GND
EarP and GND
EarN and GND
External Mic to Internal
handsfree
XMICP and GND
B2102 pads
-5
1000
560
0
25m
A
(calc
.)
XMICN and GND
B2102 pads
Internal Mic to External
Earpiece
B2100 (OUT/
GND)
HSEAR R P,
HSEAR R N
and GND
22.7
100
1360
1.2
NA
HSEAR P,
HSEAR N and
GND
HSEAR R P,
HSEAR R N
and GND
HSEAR P,
HSEAR N and
GND
RM-36
BB Troubleshooting and Manual Tuning Guide
Nokia Customer Care
Issue 1
Company Confidential
Page 6–51
Copyright ©2005 Nokia. All Rights Reserved.
Содержание 6680 RM-36
Страница 407: ...9 System Module Nokia Customer Care Issue 1 Company Confidential Page 9 1 Copyright 2005 Nokia All Rights Reserved ...
Страница 465: ...10 Schematics Nokia Customer Care Issue 1 Company Confidential Page 10 1 Copyright 2005 Nokia All Rights Reserved ...
Страница 479: ...www s manuals com ...