Table 7-17. U6405 Codec Pinouts - Motorola APX 7000 Detailed Service Manual

7-52
U6405
Description
Pin No.
A1 AUDIO_MIC_POS
A2
A3
A4
A5
A6 EXT_MIC_POS_A
A7
A8 SPI_DSP_MISO
A9 SPI_DSP_MOSI
B1
B2
B3 DATA_MIC_POS
B4
B5
B6
B7
B8
B9 SPI_DSP_CLK_CPLD
C1
C2
No C3
Pin
C4
C5
C6
C7
C8
C9 VCC_CODEC (VCC_1.875)
D1

Table 7-17. U6405 CODEC Pinouts

N/C
N/C
N/C
LINE1LM
N/C
VCC_3.0A
N/C
N/C
N/C
N/C
N/C
CODEC_CS
VCC_3.0A
GROUND
N/C
N/C
N/C
N/C
SCL
N/C
Troubleshooting Tables: List of Board and IC Signals
Probe Points
Not Shielded
Test Point F_AUDIO_MICP,
J4001_Pin 41
–
–
–
J4001_Pin 54
–
R1002, J1001_Pin 29
J1001_Pin 31
–
M6401
–
–
–
–
R1013, R6419, R1003,
J1001_Pin 33
N/2
–
–
–
–
J3001_PIN 19
J4001_Pin 28, J1001_Pin 6,
R1010, C4001
–
Under Shield
C6408, R6407
C6406
C6404, C6428, R6404,
R6602
C6413, C6414, R6567, C6574
C6407, R6403
R6413, R6418
R6412
C6413, C6414, R6567, C6574
R6411, C6410, C6411, R6560,
C6581, R6410