Figure 8-172.Audio Circuit - Motorola APX 1000 Detailed Service Manual

Schematics, Boards Overlays, and Parts Lists: Transceiver (RF) Boards: 900 MHz (84012478001)
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
LMC6035ITLX
51K
V_EXT_1.85
A
C2
INNEGA
A
C3
INPOSA
A2 C1
INNEGB OUTA
A3 A1
INPOSB OUTB
B1
R6402 VPOS
200K B3
C6402 VNEG R6410
1UF 10K
MIC_BIAS_FILT
A A A
R6404
2.2K
C6404
0.1UF
EXT_MIC_POS_DP
IN
TP6102
1
DNP C6428
TEST_POINT 100PF
IF6404
A
EXT_MIC_NEG_DP IF
1
IN
APPLY NET_SHORT=GND
AUDIO_MIC_NEG_DP
IN
AUDIO_MIC_POS_DP
IN
1
DNP
F_AUDIO_MICP TEST_POINT
MIC_BIAS_FILT
R6407 2.2K C6412
100PF
DNP
R6403 2.2K A
C6407
1 DATA_MIC_POS_DP 0.1UF
M6406
IF
1 DATA_MIC_NEG_DP IF6407
M6405
1
APPLY NET_SHORT=GND
1 C6415
100PF
TP6103 DNP
DNP
TEST_POINT
A
V_EXT_1.85
V_SW_5
R6432
100K
PA_SHTDN
PRE_CLASS_D_NEG_DP
C2
SHUTDOWN
C1
IN_NEG
A1
IN_POS
C6430
0.1UF
PRE_CLASS_D_POS_DP
C6431
0.1UF
V_EXT_1.85
V_3.0A
R6411
0
V_CODEC_1.875
C6413 C6414
0.1UF 0.1UF
C6410 C6411
0.1UF 0.1UF
A A
IN
A A
U6405
TLV320AIC33IZQER
SSI_RED_TX_CODEC
SSI_RED_RX_CODEC E9 F8
DIN
DOUT
OMAP_RESET H8 D1
RESET NC
HPLOUT
E1
NC
HPLCOM
SSI_CODEC_CLK G8 G1
MCLK HPRUOT 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
EXT_MIC_POS_DP_A A6 J6
LINE1LP
RIGHT_LOP
A5 J7
LINE1LM
RIGHT_LOM
B7
LINE1RP
IF
B6 B8
LINE1RM
IF6408 MFP0
1
B9
C6406
C6408 MFP1
0.1UF 0.1UF A4 A8 SPI_DSP_MISO
NC LINE2LP MFP2
B5 A9 SPI_DSP_MOSI
NC LINE2LM MFP3
B4
NC LINE2RP
A3 E4
NC LINE2RM NC11 NC
E5
NC12 NC
A
A1 E6
MIC3R NC
NC13
B3 E7
MIC3L NC
NC14
A2 F3
NC MICBIAS NC
NC15
DATA_MIC_POS_DP_B B2 F4
NC MICDET NC
NC16
F5
NC
NC17
1 CODEC_GPIO1 J9 F6
GPIO1 NC
NC18
TEST_POINT J8 F7
NC GPIO2 NC
CODEC_GPIO1 NC19
G3
DNP NC20 NC
A7 G4
NC NC0 NC21 NC
C4 G5
NC NC1 NC22 NC
C5 G6
NC NC2 NC23 NC
C6 G7
NC NC3 NC24 NC
C7 H3
NC
NC NC4 NC25
D3 H4
NC5 NC
NC NC26
D4 H5
NC6 NC
NC NC27
D5 H6
NC NC7 NC
NC28
D6 H7
NC NC8 NC
NC29
D7
NC NC9
E3
NC NC10
A A A
AUD_INT_SPKR_FILT_P_1
AUD_INT_SPKR_FILT_P
L6403
20NH
C6436
C6432 C6438
L6401 .47UF
10UF 100PF
10UH
U6411
TPA2034D1
C6433 R6433
20
1UF
A3 C6434
VO_NEG
.33UF
C3
VO_POS
A A
L6402
10UH
AUD_INT_SPKR_FILT_N_1
L6404
20NH
AUD_INT_SPKR_FILT_N
C6435
1UF
C6437
.47UF
A
R6434
20
A
A
R6414
330
PRE_CLASS_D_POS_DP
C6417
.022UF
R6415
330
PRE_CLASS_D_NEG_DP
OUT
C6418
R6416
0.1UF
330
PREAMP_POS_DP
C6416
.022UF
C6419
R6417
SERIAL
330 0.1UF
PREAMP_NEG_DP
CODEC_SPI_CS
R6419
33
SPI_DSP_CLK
F2_PARAMP
MIC_BIAS
SW_B+
V_SAVE
R6423
A
0
D6401
UNSW_B+
R6420
BAT54HT1G
47K
2 1
V_5.0A
V_5.0A
R6429
C6421
47K 4 0.1UF
R6431
2.2K
OUT
3 1
A
U6409
TP6405 1 TLV3011
DNP
R6430 BGAP_COMP
TEST_POINT
22K
V_2.775_EXP
NC
U6408
LM4121
Q6401
3 5 SSM6N36FE
EN
VOUT
4 1
VIN
ADJ
6 D1
OUT
G2
5
C6405
0.1UF
R6421
1
10K
4 S2
TP6406 DNP
TEST_POINT
VCC_2.775
C6429
U6410
0.1UF
STLM20
TEMP SENSORS
2 1 1 TP6401
NC
VOUT
NC
TEST_POINT
NC
I2C<1..0>
0 I2C_CLK
1 I2C_DATA
SSI_CODEC_CLK
SSI_CODEC_FSYNC
SSI_SAP<3..0>
3 SSI_RED_TX_CODEC
SSI_RED_RX_CODEC
2
NC
SPI_DSP<2..0>
0 SPI_DSP_CLK
1 SPI_DSP_MOSI
2 SPI_DSP_MISO
SERIAL INTERFACE
MAKO AUDIO
MAKO_AD_TRIG U6501 AT56H09
TEST_POINT
C6424
DNP
1 B11 100PF
AD_TRIG
MAKO_AD_TRIG
A11 L10
TX_RX
VMES
L2 M12
MIC_BIAS ADC_VREF
MAKO_INT_MICP
1 K2 N14
TEST_POINT INT_MIC_P ATOD_0
1 K1 M13
DNP
INT_MIC_M ATOD_1
J2 L11
MAKO_INT_MICM
EXT_MIC_P ATOD_2
TEST_POINT J1 M14
EXT_MIC_M ATOD_3
DNP J3 L12
VCM1 ATOD_4
H3 L13
VC_OUT_P ATOD_5
H2 K11
VC_OUT_M
ATOD_6
E3 K12
BPLUS
ATOD_7
PA_BPLUS E1 K13
PA_BPLUS
ATOD_8
G3
PREAMP_NEG_DP PA_IN_M
G2
PREAMP_POS_DP PA_IN_P
F1 L3
INT_SPKR_P FE_TUNE1
F2 M2
INT_SPKR_M FE_TUNE2 NC
H1 N1
EXT_SPKR_P PWR_CTRL
G1 C4
EXT_SPKR_M SCAN_EN
H4 A3
VCM2 TEST
A4 E8
VREF VFUSE
C6422 C6423
0.1UF
.22UF
S1 1
A
G1
2
D2 3
8-355
V_2.775D
C6409
0.1UF
U6404
STLM20
TEMP_OMAP
2 1
NC VOUT
1
OMAP_TEMP_TP
V_2.775D
C6401
0.1UF
U6401
STLM20
2 1 TEMP_DISP
NC
VOUT
1
DISP_TEMP_TP
V_2.775D
C6425
100PF
R6424 R6409
10K 10K
EXP_BOARD_TYPE
IN
TEMP_DISP
BATT_STATUS
F_DISP_BD_ID
IN
VOLUME
IN
TEMP_OMAP
1
TP_ATOD_8
DNP TEST_POINT
TUNE
R6427
27K
ISET
OUT
R6425 R6426 C6427
R6428
2K 100 680PF
100K
C6426
.01UF
EXT_SPKR_POS_DP
OUT
EXT_SPKR_NEG_DP
OUT
Figure 8-172. Audio Circuit