Table 7-3. J4001 Vocon Board To Expansion Board - Motorola APX 7000 Detailed Service Manual

Troubleshooting Tables: List of Board and IC Signals
J4001
Pin No.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31

Table 7-3. J4001 VOCON Board to Expansion Board

Description
GROUND
VCC_SW_3.6
MMC2_CLK
GROUND
MMC2_CLK_FB
CLK_32KHZ_GPS
GROUND
GROUND
MMC2_DAT0_DIR
GPS_RX
MMC2_DAT1_DIR
GPS_TX
MMC2_CMD_DIR
GPS_RESET
MMC2_DAT0
GROUND
MMC2_DAT1
PTT
MMC2_DAT2
SIDE_1
MMC2_DAT3
SIDE_2
MMC2_CMD
MON
MMC2_CMD
VCC_2.8
MPC
VCC_1.875
GROUND
GROUND
GPS_ANT (R4001)
J4001
Description
Pin No.
32
33
34 GPIO3_RTS_FILLSENSE
35 PA_MUTE_CONN
36 GPIO2_DM_RXDC_FILLDATA
37 PA_SHDN_CONN
38 GPIO_DP_TXDC_FILLREQ
39 AUDIO_MIC_NEG
40 GCAI_1WIRE_5V
41 AUDIO_MIC_POS
42 GPIO4_CTS_KEYFAIL_FILLCLK
43
44
45 PRE_CLASS_D_NEG
46 VBUS2_FILT
47 PRE_CLASS_D_POS
48 VBUS2_FILT
49
50
51
52 EXT_MIC_NEG
53
54 EXT_MIC_POS
55
56
57
58 EXT_SKR_NEG
59
60 EXT_SPKR_POS
G1
G2
GROUND
GROUND
GROUND
GROUND
GROUND
GPIO0
SW_B+
SW_B+
SW_B+
GROUND
SW_B+
GROUND
GROUND
GROUND
7-3