Motorola APX 7000 Detailed Service Manual page 55

Theory of Operation
: Controller
3.2.1.2.3 Keypad / Flex
The keypad flex features a 3 x 2 Menu keypad with 4- way navigation button, and a 3 x 4
alphanumeric keypad. The front display connects into this flex, which then presents either a 60-pin
connector interface to the MNCN6200 VOCON board, or, an 80-pin connector interface to the
MNCN6202 VOCON Board.
3.2.1.2.4 Data Side Speaker
The data side speaker is contained within the front chassis assembly, and connects directly to the
VOCON board through a set of pogo pins.
3.2.1.2.5 Data Side Microphone
The data side microphone connects directly to the VOCON board through a set of pads on the
VOCON.
3.2.1.2.6 Side Controls Flex
The side controls flex contains the PTT, Monitor, and Side 1 and 2 buttons. The flex connects to the
Expansion Board through a 10-pin connector.
3.2.1.2.7 Audio Side Microphone and Speaker
The audio side microphone and speaker flex connect through clips to the expansion board.
3.2.1.2.8 RF Board
The RF board connects to the VOCON through a 40-pin connector.
NOTE: See Table 7-2 on page 7-2
3.2.1.3 Controller Electrical Architecture
An overview of the Controller electrical architecture is shown in
components and electrical interfaces are shown.
for connector pin definitions.
Figure 3-23 below. The major
3-31