Figure 8-26. Audio Circuit - Motorola APX 3000 Detailed Service Manual

8-28
AUDIO CODEC
V_5.0A
MIC_BIAS TEST_POINT MIC_BIAS_FILT
MIC_BIASM6
1
R6405M6 1.2K
C6403M6
0.1UF
R6406M6 10K
U6402M6
R6401M6
LMC6035ITLX
51K
A
C2
INNEGA
A
C3
INPOSA
A2 C1
INNEGB OUTA
A3 A1
INPOSB OUTB
B1
R6402M6 VPOS
200K
C6402M6 B3 R6410M6
VNEG
1UF
MIC_BIAS_FILT
A A A
R6404M6
2.2K
C6404M6
0.1UF
EXT_MIC_POS_DP
IN
TP6102M6
1
C6428M6
DNP
100PF
TEST_POINT A
IF6404M6
EXT_MIC_NEG_DP IF
IN
CHANGES:
REMOVED AUDIO_MIC_NEG_DP,
REMOVED AUDIO_MIC_POS_DPC6408,C6412,C6407,C6403,R6407
REMOVED C6415

Figure 8-26. Audio Circuit

V_3.0A
V_EXT_1.85
R6411M6
0
V_CODEC_1.875
C6413M6 C6414M6
C6410M6 C6411M6
0.1UF 0.1UF
0.1UF 0.1UF
V_EXT_1.85
A A
A A
IN U6405M6
TLV320AIC33IZQER
SSI_RED_TX_CODEC
SSI_RED_RX_CODEC E9 F8
DIN DOUT
10K OMAP_RESET H8 D1
RESET HPLOUT
NC
E1
HPLCOM
NC
SSI_CODEC_CLK G8 G1
HPROUT
MCLK NC
G9 HPRCOM F1
BCLK
NC
SSI_CODEC_FSYNC F9
WCLK
J2
MONO_LOP
NC
E8 J3
MONO_LOM
SELECT NC
I2C_CLK C8
SCL
I2C_DATA D8 J4
LEFT_LOP
SDA
J5
LEFT_LOM
EXT_MIC_POS_DP_A A6 J6
RIGHT_LOP
LINE1LP
1
A5 J7
RIGHT_LOM
LINE1LM
B7
LINE1RP
B6 B8
MFP0
LINE1RM
B9
C6406M6 MFP1
0.1UF
A4 A8 SPI_DSP_MISO
NC MFP2
LINE2LP
B5 A9 SPI_DSP_MOSI
MFP3
NC LINE2LM
B4
NC LINE2RP
A3 E4
NC11
NC LINE2RM NC
E5
A NC12
NC
A1 E6
NC13
MIC3R NC
B3 E7
NC14
MIC3L NC
A2 F3
NC15
NC MICBIAS NC
B2 F4
NC16
NC MICDET NC
F5
DNP NC17
NC
1 CODEC_GPIO1 J9 F6
NC18
GPIO1 NC
TEST_POINT
J8 F7
NC19
NC GPIO2 NC
CODEC_GPIO1M6
G3
NC20
NC
A7 G4
NC21
NC NC0 NC
C4 G5
NC22
NC NC1 NC
C5 G6
NC23
NC NC2 NC
C6 G7
NC24
NC NC3 NC
H3
C7 NC25
NC NC4 NC
D3 H4
NC26
NC NC5 NC
D4 H5
NC27
NC NC6 NC
D5 H6
NC28
NC NC7 NC
H7
D6 NC29
NC NC8 NC
D7
NC NC9
E3
NC NC10
A A A
CHANGES:
REMOVED R6414,C6417,R6415
OUT
R6416M6
C6418M6
330 0.1UF
PREAMP_POS_DP
C6416M6
.022UF
SERIAL
C6419M6
R6417M6
0.1UF
330
PREAMP_NEG_DP
CODEC_SPI_CS
R6419M6
33
SPI_DSP_CLK
SSI_CODEC_CLK
SSI_CODEC_FSYNC
SSI_SAP<3..0>
SPI_DSP<2..0>
SERIAL INTERFACE
F2_PARAMP
MIC_BIAS
SW_B+
TEST_POINT
MAKO_AD_TRIGM6
V_SAVE
A
R6423M6
0 UNSW_B+ MAKO_INT_MICPM6
D6401M6
R6420M6
BAT54HT1G
47K MAKO_INT_MICMM6
2 1
V_5.0A
V_5.0A
PA_BPLUS
R6431M6
4
PREAMP_NEG_DP
2.2K
PREAMP_POS_DP
3 1
A
U6409M6
TLV3011
BGAP_COMP
R6430M6
22K
V_2.775_EXP NC
U6408M6
LM4121 Q6401M6
SSM6N36FE
3 5
EN VOUT
4 1
VIN ADJ
6 D1 S1 1
5 G2 G1 2
C6405M6
0.1UF
R6421M6
10K
4 S2 D2 3
Schematics, Boards Overlays, and Parts Lists: Main Board Block: UHF1 (84012513001_A)
TEMP SENSORS
V_2.775D
C6409M6
0.1UF
U6404M6
STLM20
2
NC VOUT
NC
I2C<1..0>
0 I2C_CLK
1 I2C_DATA
3 SSI_RED_TX_CODEC
2 SSI_RED_RX_CODEC
0 SPI_DSP_CLK
1 SPI_DSP_MOSI
2 SPI_DSP_MISO
MAKO AUDIO
V_2.775D
C6424M6
100PF
U6501M6
DNP MAKO_AD_TRIG AT56H09
C6425M6
1 B11 100PF
AD_TRIG
A11 L10
TX_RX VMES
L2 M12
MIC_BIAS ADC_VREF
DNP
1 K2 N14
TEST_POINT INT_MIC_P ATOD_0
1 K1 M13
INT_MIC_M ATOD_1
J2 L11
TEST_POINT DNP
EXT_MIC_P ATOD_2
J1 M14 TEMP_DISP
EXT_MIC_M ATOD_3
J3 L12 BATT_STATUS
VCM1 ATOD_4
H3 L13
VC_OUT_P ATOD_5
H2 K11
VC_OUT_M ATOD_6
E3 K12 TEMP_OMAP
BPLUS ATOD_7
E1 K13 1
TP_ATOD_8M6
PA_BPLUS ATOD_8
TEST_POINT
G3
PA_IN_M
DNP
G2
PA_IN_P
F1 L3 TUNE
INT_SPKR_P FE_TUNE1
R6427M6
F2 M2
INT_SPKR_M FE_TUNE2 NC
27K
H1 N1
EXT_SPKR_P PWR_CTRL
G1 C4
EXT_SPKR_M SCAN_EN
H4 A3
VCM2 TEST
A4 E8
VREF VFUSE
C6423M6
0.1UF
C6426M6
.01UF
A
EXT_SPKR_POS_DP
EXT_SPKR_NEG_DP
1 TEMP_OMAP
1
OMAP_TEMP_TPM6
ISET
OUT
R6428M6
C6427M6
100K 680PF
OUT
OUT