RVV Gen II KO Service and Parts Manual
10
SECTION 2: Vender Component Explanation
Vender Component
Explanation
Vender Main Controller
(including pinouts)
The vender’s main control board (VMC) is responsible for
most vender operations. The VMC is the larger of the two
printed circuit boards located in the upper left corner of the
inside of the door. The boards are protected by a cover.
Removing this cover will expose the boards, along with all
wiring connections to the boards.
IDENTIFICATION: The RVV Gen II’s VMC can be
easily identified by a Royal Vendors part number decal on
the capacitor of the VMC board.
OPERATION REQUIREMENTS: The VMC requires
approximately 24 volts DC from the electronic power
supply. This will allow the VMC to function and to supply
power to all the vender’s components listed below.
OPERATION: Upon receiving the appropriate voltage
from the power supply, the VMC issues information
to some components, receives information from some
components, and communicates both ways with some
components.
VENDER MAIN CONTROLLER PINOUTS: The RVV
Gen II VMC has several electrical pinouts, a set-up mode
button, and various other electronic components (all of
which have designated position codes). The following
section outlines all the VMC’s pinouts.
The word
key
refers to the small plastic insert plugged into
a position of the connector. The purpose of the key is to
prevent connecting the harnessing backward or upside-
down. The “keyed position” is a blank position within the
pinout (no pin) in which a key is inserted. Some pinouts
may have several blank positions with a key plugged
into one or more of the positions. You can use the key to
determine which end of the pinout is Pin 1.
DEX / UCS Connections (
Position P1
): The RVV Gen
II is equipped with a DEX / UCS jack directly on the
VMC at position J1. It also has pinouts for optional
three (3) wire harnesses leading to internal and external
jacks. The Hand Held Computer (HHC) plugs into these
jacks to read information from the VMC. If the vender
is equipped with these optional jacks and the HHC does
not operate properly with them, check the harnesses for
bad connections at the solder joints. Also check to ensure
that the insulator at the jack is not cracked from over
tightening.
PIN
WIRE
FUNCTION
NUMBER COLOR
1
RED
VMC RECEIVE / DEX
TRANSMIT DATA (ring)
2
-
FUTURE USE
3
BROWN VMC TRANSMIT / DEX
RECEIVE DATA (tip)
4
-
KEY
5
BLACK DEX COMMON (sleeve)
6
-
FUTURE USE
7
-
KEY
8
RED
VMC RECEIVE / DEX
TRANSMIT DATA (ring)
9
BROWN VMC TRANSMIT / DEX
RECEIVE DATA (tip)
10
BLACK DEX COMMON (sleeve)