Motorola ASTRO XTSTM 4000 Detailed Service Manual page 103

Troubleshooting Tables: List of Board and IC Signals
Table 7-2. J1 Mainboard to Keypad Flex and Display Module (Continued)
J1 Pin
No.
31 DISP_ID
32 UC_KP_5V1
33 DISP_RESET
34 UC_KP_ONOFF
35 COV_D0
36 COV_D5
37 E_SUB
38 COV_D6
39 E_MAIN
40 COV_D7
41 GND
42 IM0
43 GND
44 IM1
45 COV_D12
46 LEDK
47 COV_D11
48 LEDA
49 COV_D10
50 EAR+
51 COV_D8
52 EAR-
53 COV_D9
54 DISP_V1.875
55 COV_D1
56 DISP_V2.9
57 COV_D2
58 DISP_R_W
59 COV_D15
60 DISP_REG_SEL_A0
6871620L01-C
Description
Accessible
To/From
Mainboard?
No Connect
5V_MISC
D1000
R9923
E1110
E1115
R9917
E1116
R1467
E1117
GROUND
R9904
GROUND
R9919
E1122
R9912
E1121
5V_MISC
E1120
Pin 5 of U20
E1118
Pin 7 of U20
E1119
C9970
E1111
E1103
E1112
E1129
E1125
E1130
7-3
on
No
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
No
Yes
No
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
May 28, 2008