Motorola G24 Developer's Manual page 76

AUDIO CODEC
ANLG_3.0V
C410
1.U
ANLG_3.0V
U440 12
BCLKT
TC7S08FU
9
BCLKR
MCLK
11
MCLK
1 4 10
AUD_SEL
INB OUTY PDI
2 16
RST INA HB
3
PI
19
TI_POS
18
TI_NEG
DGND
8
DR
DOUT
7
FSR
FS
14
FST
R413
0.000
MICROPHONE
J460
1
3
NC
5
NC
6
R464
10.00K
4
2
1
NC
1 RV412
C461
33.00p
C464
33.00p
DGND DGND DGND
AGND
DGND
ALRT_POS
ALRT_NEG
RV413
C470
C475 C474 C473 C472 C471
10.00p 33.00p
33.00p 33.00p 10.00p 33.00p
DGND DGND DGND DGND DGND DGND
DGND
1. DRAWING GENERATED BY COMPUTER.
2. MOTOROLA CONFIDENTIAL PROPRIETARY !!
U410
MC145483SDR2
R412 R416
10.00K 10.00K
C412 1.U
20K R418
C412 was changed
R417
to resistor. See Table A-1.
0.000
17 R411
C411 10.n
TG
20K
2
DNP
RO_NEG
R410
5
PO_POS
4
0.000
PO_NEG
20
VAG
R450
13
DT
DIN
C413
0.000
1
VAG_REF
1.U
DGND
C416 C418 C417
33.00p 33.00p 33.00p
R419
C414
10.n
10.00K
DGND DGND DGND
R415
C415
1.U
10.00K
DGND
AUDIO PA & SPEAKER
J430-1 1 NC
J430-4 4
J430-3 3 NC
J430-2 2
RV410 RV411
C438
R460
0.000 33.00p
MIC_IN
1
DGND DGND
C462 C463
10.00p
33.00p
DGND
HEADSET
J440
ALERT SPEAKER
1
3
NC 1 J480-1
5
4 J480-4 NC
6
NC 3 J480-3
2 J480-2
4
RV414 2
RV415 RV416
DGND
DGND DGND
AUDIO MUX
ANLG_3.0V
AUD_SEL
SWITCH
Refer to "DIAGNOSTIC" Schematics
For Enable Mux
R414
10.00K
15
DGND A0
1
CODEC_SPKR_NEG
N01
4
CODEC_SPKR_POS
N02
8
N03
R420
11
CODEC_MIC
N04
DNP
0.000
16
NC1
SPKR_NEG
3
NC2
SPKR_POS
9
NC3
MCPHN
12
NC4
PHF_MIC
C424
C427 C426 C423 C425 C422 C447 C446
33.00p 33.00p 33.00p
10.00p 33.00p
10.00p 10.00p 10.00p
DGND
DGND DGND DGND DGND DGND DGND
DGND DGND
ANLG_3.0V
C432
1.U
R433
1
20.K
R430
U430
TPA6203A1
20.K
C435
A1 C3
VO_NEG IN_NEG R431
B3 C2
33.00p
VO_POS IN_POS
20.K
C1 B1
BYPASS SHUTDOWN
ANLG_3.0V
C439
C434
C433
33.00p
220.n 220.n
R434
DGND DGND
1
20.K
DGND
R440
68 OHM
R441
10.00K
L440
2
33n
1 1 1 1
RV417
C453 C442 C443 C444 C450 C445
1.U 10.00p 33.00p 10.00p 10.00p 33.00p
DGND DGND DGND DGND
AGND
DGND DGND
DGND
G24 XCVR
DEVELOPER BOARD
AUDIO
C420
DGND
1.U
U420
MAX4674ETE_T
R427
13
EN
POR
0.000
2
COM1
5
COM2
7
COM3
10
COM4
DNP
R425
0.000
R422
0.000
DGND
R424
2
0.000
C430
SPKR_OUT-
220.n
C431
SPKR_OUT+
220.n
C436
C437
33.00p 33.00p
DGND DGND
R439
10.00K
DNP
R437
HDST_EN
0.000
DNP
R452 R451
0.000
C441 0.000
22.000U
HDST_EN
C448
C449
33.00p
33.00p
REF# 400-499
DGND DGND
PROJ.
DESCRIPTION:
KIT NO.
XXX-XXXXX
DRAWN
APPROVED
X X
ISSUE RELEASE DATE
O XXXXX XX|XX
A XXXXX XX|XX
B XXXXX XX|XX
C XXXXX XX|XX
D XXXXX XX|XX
AUDIO SHIELD
SH400
SHIELD
1
DGND
G24 DEVELOPER BOARD
NAME PCB_NO:
AUDIO XXXX
XXXX XX/XX/XX CHECKED XXXX XX/XX/XX
XXXX XX/XX/XX RELEASED XXXX XX/XX/XX
D X X X X X G X X - X SHEET OF X
APVD
XXXX
XXXX
XXXX
XXXX
XXXX
X