Figure 8-56. Audio Circuit - Motorola APX 3000 Detailed Service Manual

Schematics, Boards Overlays, and Parts Lists: Main Board Block: 700–800 MHz (84012501002)
AUDIO CODEC
V_5.0A
MIC_BIAS MIC_BIAS_FILT
TEST_POINT
1
MIC_BIAS
R6405 1.2K
R6406 10K
C6403 U6402
R6401
0.1UF
51K LMC6035ITLX
V_EXT_1.85
A
C2
INNEGA
A
C3 INPOSA
IN
A2 C1
INNEGB OUTA
A3 A1
INPOSB OUTB
R6402 B1
C6402 VPOS
200K
1UF B3
VNEG R6410
10K
MIC_BIAS_FILT
A A A R6404
2.2K
C6404
0.1UF
EXT_MIC_POS_DP
IN
C6428 100PF
TP6102
1
DNP
IF6404
EXT_MIC_POS_DP_A
TEST_POINT
IF
A
EXT_MIC_NEG_DP 1
IN
DNP
TEST_POINT
CODEC_GPIO1
CHANGES:
REMOVED AUDIO_MIC_NEG_DP,
REMOVED AUDIO_MIC_POS_DPC6408,C6412,C6407,C6403,R6407
REMOVED C6415
V_EXT_1.85
V_3.0A
R6411
0
V_CODEC_1.875
C6413 C6414
0.1UF 0.1UF
C6410 C6411
U6405
0.1UF 0.1UF
TLV320AIC33IZQER
A A
A A
SSI_RED_TX_CODEC
SSI_RED_RX_CODEC
E9 F8
DIN
DOUT
OMAP_RESET H8 D1
RESET
HPLOUT NC
E1
HPLCOM NC
SSI_CODEC_CLK G8 G1 OUT
MCLK
HPROUT NC
G9 F1
BCLK HPRCOM NC
SSI_CODEC_FSYNC F9
WCLK
J2
MONO_LOP NC
E8 J3
SELECT
MONO_LOM NC
I2C_CLK C8
SCL
I2C_DATA D8 J4
SDA
LEFT_LOP
J5
LEFT_LOM
A6 J6
LINE1LP
RIGHT_LOP
A5 J7
LINE1LM RIGHT_LOM
B7
LINE1RP
B6 B8
LINE1RM
MFP0
B9
C6406
MFP1
0.1UF
A4 A8 SPI_DSP_MISO
LINE2LP MFP2
NC
B5 A9 SPI_DSP_MOSI
LINE2LM
MFP3
NC
B4
LINE2RP
NC
A3 E4
LINE2RM
NC NC11 NC
E5
NC12
NC
A
A1 E6
MIC3R
NC13 NC
B3 E7
MIC3L
NC14 NC
A2 F3
MICBIAS
NC NC15 NC
B2 F4
MICDET NC16
NC NC
F5
NC17 NC
1 CODEC_GPIO1 J9 F6
GPIO1
NC18 NC
J8 F7
GPIO2
NC NC19 NC
G3
NC20 NC
G4
A7 NC0
NC21 NC
NC
C4 G5
NC1
NC NC22 NC
C5 G6
NC2
NC NC23 NC
C6 G7
NC3
NC NC24 NC
C7 NC4 H3
NC25 NC
NC
D3 H4
NC5
NC NC26 NC
D4 H5
NC6
NC NC27 NC
D5 H6
NC7
NC NC28 NC
D6 NC8 H7
NC29 NC
NC
D7
NC9
NC
E3
NC10
NC
A
A A A
CHANGES:
REMOVED R6414,C6417,R6415
C6418
R6416
0.1UF
330
PREAMP_POS_DP
C6416
.022UF
C6419 SERIAL
R6417
330 0.1UF
PREAMP_NEG_DP
I2C<1..0>
CODEC_SPI_CS
R6419
0
33
SPI_DSP_CLK
1
SSI_CODEC_CLK
SSI_CODEC_FSYNC
SSI_SAP<3..0>
3
2
SPI_DSP<2..0>
0
1
2
SERIAL INTERFACE
F2_PARAMP
MAKO AUDIO
MIC_BIAS
SW_B+
MAKO_AD_TRIG
DNP
TEST_POINT
1 B11
MAKO_AD_TRIG AD_TRIG
A11
V_SAVE
TX_RX
L2
R6423
MIC_BIAS
DNP
TEST_POINT
0 1 K2
D6401
R6420 UNSW_B+ INT_MIC_P
MAKO_INT_MICP
BAT54HT1G 1 K1
47K
MAKO_INT_MICM INT_MIC_M
2 1 J2
TEST_POINT DNP EXT_MIC_P
J1
V_5.0A
EXT_MIC_M
J3
VCM1
V_5.0A H3
VC_OUT_P
C6421 H2
VC_OUT_M
0.1UF
E3
BPLUS
PA_BPLUS E1
R6429
PA_BPLUS
47K 4 R6431 G3
PREAMP_NEG_DP PA_IN_M
2.2K G2
PREAMP_POS_DP PA_IN_P
3 1 F1
INT_SPKR_P
A
F2
U6409 INT_SPKR_M
H1
TLV3011
EXT_SPKR_P
BGAP_COMP G1
R6430
EXT_SPKR_M
22K H4
VCM2
A4
VREF
V_2.775_EXP NC
C6423
U6408
LM4121 0.1UF
Q6401
SSM6N36FE
3 5
EN VOUT
4 1
VIN
ADJ
6 D1 S1 1
A
5 G2 G1 2
C6405
0.1UF
R6421
10K
4 S2 D2 3
TEMP SENSORS
V_2.775D
C6409
0.1UF
U6404
STLM20
2 1 TEMP_OMAP
NC NC VOUT VOUT
NC
1
OMAP_TEMP_TP
I2C_CLK
I2C_DATA
SSI_RED_TX_CODEC
SSI_RED_RX_CODEC
SPI_DSP_CLK
SPI_DSP_MOSI
SPI_DSP_MISO
V_2.775D
C6424
U6501
100PF
AT56H09
C6425
100PF
L10
VMES
M12
ADC_VREF
N14
ATOD_0
M13
ATOD_1
L11
ATOD_2
M14 TEMP_DISP
ATOD_3
L12 BATT_STATUS
ATOD_4
L13
ATOD_5
K11
ATOD_6
K12 TEMP_OMAP
ATOD_7
K13 1 TP_ATOD_8
ATOD_8
TEST_POINT
DNP
L3 TUNE
FE_TUNE1
M2 R6427
FE_TUNE2 NC
27K
N1 ISET
PWR_CTRL OUT
C4
SCAN_EN
A3
TEST
E8 R6425 R6426 R6428
C6427
VFUSE
2K 100 100K
680PF
C6426
.01UF
EXT_SPKR_POS_DP
OUT
EXT_SPKR_NEG_DP
OUT
8-85

Figure 8-56. Audio Circuit