Troubleshooting Diagrams; Introduction To This Section; Table 3. J201 Vocon Board To Universal Connector - Motorola ASTRO Digital Saber Service Manual

Troubleshooting
Diagrams
Introduction to
This Section
This section contains troubleshooting diagrams necessary to isolate a problem to the component level.
Use these diagrams in conjunction with the theory of operation, troubleshooting procedures, charts, and
waveforms.
J201
Pin #
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
Table 3 . J201
VOCON Board to Universal Connector
Description
Removed
n/c
n/c
LH DATA/BOOT DATA OUT
EXT MIC
SB9600 BUSY
OPT SEL 1
RS232 DATA IN
OPT SEL2 (KEYLOAD*)
KEYFAIL*/RTSIN*
SPKR COMMON
EXT SPKR
OPTB+/BOOT SEL/VPP*
CTSOUT*
RS232 DATA OUT/BOOT DATA IN
12
UC
To/From
Pin #
U208-1 3
U411-6 4
U204-J3 6
U206-G3 7
(EXT PTT)
Q210
U206-B2 12
U206-C6 10
U206-J8 9
J801-15
U401-A3 1
U204-B3
J701-14
U401-A5 2
U204-C4
CR201/Q21 8
U206-B6 5
U206-A5 11
12-1