Nokia NHL-2NA Schematics page 12

CCS Technical Documentation
Audio
UIDRV(5:0)
Proximity Receiver V335 signals are very sensitive to Noise. Special Attention is needed.
Any Layout Changes must confirmed with EMC/Proximity electrical Desiger.
VBAT
C354
4u7
GND
V334
2 CL-200IR-X-TU
0
4860009
1
PRXIF(2:0)
Place R347 near AEM
V335 R347
BPW34FS 4R3
4864911
PRXBGND PRXBGND
Proximity Sensor
Issue 1 07/02
Schematics / Layouts LG4
MICB1
0
1 MIC1P
MIC1N
2
MIC_AUDIO(2:0)
C333
4u7
0
1
EARPIECE(1:0)
0
1
HF_AUDIO(1:0)
14V/46V
HEADINT
0
HFCM
2
1 HF
C344
MICB2
3
C345
MIC2P
4
MIC2N
5
HOOKINT
6 33n
33n
XAUDIO(6:0)
10n C347
1n0
C349 C350 C353
100p 22p
HFGND HFGND HFGND
COPYRIGHT(C) NOKIA MOBILE PHONES. ALL RIGHTS RESERVED
THIS DRAWING IS PROTECTED BY COPYRIGHT AS AN UNPUBLISHED
WORK
ãNokia Corporation
R330
1k0
C330
C331
33n
33n
R331
1k0 14V/46V 14V/46V
R332 R333
C334
22p
HFGND
GND GND
HFGND HFGND
Place R332 and R333 near mic
GND
C336
22p
C337
22p
assembled
C338
14V/46V 14V/46V
22p
R334 R335
GND
GND GND
Place R334 and R335 near earpiece
GND
SPEAKER 78+-2DB 8R D16.2X3.8
C339
22p
C340
22p
assembled
C341
14V/46V
22p
R336 R337
GND
GND
GND
Place R336 and R337 near speaker
R349
2 /2 22R
R349
R338 1 /2 22R
R339 R350
1k0
R340
2k2 47R
2k2
R352
47R
R341
10n 1k0
C348 C355
1n0
10n 10n
GND GND GND
C356 C357
HFGND 14V/46V
R346
GND GND
Place R342 - R346 near X330
Name
Assoc
B330
OUT
COND.MIC 40+-2DB 2.2K D7.5X4.1
GND
not_assembled
C332
22p
514D001
Note: there is possibility to use qada_01 if actual adapter is not available 22.03.01
X331
1
2
3
4
GND
5409227
CALYPSO EARPIECE ADAPTER DMD07692 NHL-2
Audio Chamber Location Holes:
B332 1.6mm beside PWR Switch
E335 E500
1.6mm IN RF AREA.
Not_assembled
GND
GND
GND
C342 C343
1n0 1n0
L301
Z330
EXC24CB102U
4 1
600R/100MHz
Z331
3 2
600R/100MHz
Z332
L302
EXC24CB102U
600R/100MHz
4 1
Z333
3 2
600R/100MHz
14V/46V
R342
14V/46V 14V/46V 14V/46V
R344 R345 R343
GND GND GND GND GND
Calypso audio
NHL-2NA
SM JACK 2.5MM 5POL+SW SPR.90DEG
5409119
X330
2
3
5
4
1
C346
22p
Not_Assembled
Appr
dd-mmm-yy
Des.
06-Oct-2000
Jarvinen
Dr.
02-May-02
Page A-12