Motorola ASTRO XTSTM 4000 Detailed Service Manual page 122

7-22
U1304
Description
Pin No.
G1 EXT_SPKR_M
H4 VCM2
A4 VREF
E8 VFUSE
A3 TEST
C4 SCAN_EN
N1 PWR_CTRL
M2 FE_TUNE2
L3 FE_TUNE1
K13 ATOD_8
K12 ATOD_7
K11 ATOD_6
L13 ATOD_5
L12 ATOD_4
M14 ATOD_3
L11 ATOD_2
M13 ATOD_1
M14 ATOD_0
M12 ADC_VREF
L10 VMES
A5 BBP_CLK
B5 BBP_SYNC
E6 SPI_CLK
D6 SPI_CS
B6 SPI_DI
C6 SPI_DO
E7 CODEC_DCLK
D7 CODEC_FSYNC
B7 VC_TX
M4 CODEC_TX
May 28, 2008
Table 7-8. U1304 MAKO Pinouts (Continued)
To/From
SPK_COM (TP)
C1362
C1363
GROUND
GROUND
GROUND
No Connect
No Connect
No Connect
No Connect
No Connect
R1329
R1331
R1351
No Connect
Pin 1 of U1305
No Connect
V2
C1365
C1364
R1112
R1114
SCKB
R1334
SPI_MOSIB
SPI_MISOB
R1335
R1336
No Connect
R1337
Troubleshooting Tables: List of Board and IC Signals
Comment
*
2.89V
SPI B Clock
SPI B Data to
MAKO
SPI B Data
From MAKO
TX Audio to
DSP
Accessible
on
Mainboard?
Yes
Yes
Yes
No
No
No
No
No
No
No
No
Yes
Yes
Yes
No
Yes
No
Yes
Yes
Yes
Yes
Yes
No
Yes
No
Yes
Yes
Yes
No
Yes
6871620L01-C