
Page 3-2 MDE-3664B TRIND® Start-up, Service, and Parts Manual · June 2013
Systems Overview
Full Systems
Figure 3-2: The Advantage Series Full System Block Diagram
Overhead Antenna Assembly
Side A
T20231-G1
LF Transmitter (134kHz Intentional
Radiator)
Q13579-01
Control Data
UHF Receiver Module
RI-RFM-HREA
902 - 928 MHz
115 VAC
(FROM Dispenser
AC POWER
DISTRIBUTION)
RS-232
RS-232
Gateway Board
T20128
SERIAL DATA
to CRIND logic boards
(Dispenser Electronics)
J7
J8
J4
P187
P250
P185
22VDC,
5VDC, GND
5VDC,
GND
22VDC,
5VDC, GND
J6
J3
22VDC, 5VDC, GND
22VDC, 5VDC, GND
J5
J5
J2A
J2B
JA
JB
Overhead Antenna Assembly
Side B
T20231-G1
Light Board Assembly
(T20601-GX or
M01560A00X)
on Dispenser Bezel Face
(Side A)
POWER REGULATING
Circuit Board
T20314-G1
P177
P179
P176
P175
P178
Light Board Assembly
(T20601-GX or
M01560A00X)
on Dispenser Bezel Face
(Side A)
P181
P182
RS-232, Digital
Control and Light
Control Circuit
P182
P181
RS-232, Digital
Control and Light
Control Circuit
M00878A002
M00878A002
M00878A002
Cable
Cable
Cable
When overhead antennas are not part of
the product, Dummy Load R20526-G1
plugs into JA and JB. J2A and J2B are
left unconnected.
R20773-G2, door cable,
provides power and RS232
communications
R20773-G2, door cable,
provides power and RS232
communications
X is color of LEDs
DATA CONTROL BOARD
Q13563-02 or -04
5 MHz (UHF Clock - selected
by jumper)
10 MHz (Local Clock - not
selected for this application)
24 VAC
Power Supply
AC Power
EMC
Filter
Q10895-01
Micro-Reader
Q13551-01
(134 KHz
Intentional)
Micro-Reader
Q13551-01
(134 KHz
Intentional)
M00878A002
Cable
T20524
Bezel
Antenna
R20522-G2
Cable
T20524
Bezel
Antenna
R20522-G2
Cable
RS-232
LF TX/RX
LF TX/RX
UHF RCV
UHF RCV
LF TX
LF TX
RS-485