Figure 3-1. Computer And Solenoid Drive Board (Non-Blender) - Wayne Dresser Vista 1 Series Service Manual

3.4. COMPUTER ASSEMBLY , continued
J1
J4
F3
COMPUTER BOARD
COMPUTER CONNECTOR DESCRIPTIONS
J1 -- Data Loop Both Sides
J3 -- AC Input
J4 -- Displays Side-1
J5 -- Displays Side-2
J6 -- Provides For RAM Clear
J8 -- (Not Shown) AC Output to Solenoid Drive Board
J9 -- Pulser Control Side-1
J10--Pulser Control Side-2
J11--Nozzle Switches Both Sides
J13--Annunciator Connection
J14--Annunciator Connection
JP1 --
JP2 & JP3 -- Shunts Located Near Edge of Board for
Blender and Uni-Hose.
Shunts Located Toward Inside of
Board for MGD's.
JP4 --
FUSES
F1--Fuses the input to the 5 VDC regulator (LCD Displays)
F3--Fuses the AC input to the computer
FIGURE 3-1. COMPUTER AND SOLENOID DRIVE BOARD (NON-BLENDER). The computer is a
complete self-contained unit with a built in power supply and memory retention device.
16
Part No. 920160 Rev A
MOUNTING SCREWS (4)
J2
J3
J4
J3
J1
F1
F1
SOLENOID DRIVE BOARD
SOLENOID DRIVE BOARD CONNECTOR DESCRIPTIONS
J1 --Relay Select Side 1 (There is also a J1 Located on the
computer; it is the data connector for both sides.)
J2 --Relay Select Side 2
J3 --Nozzle and Pulser Control Side-1 (1/V490 ONLY)
J4 --Nozzle and Pulser Control Side-2 (1/V490 ONLY)
FUSES
F1 -- Solenoid Valves and Relay Selects
J6
J9
JP2
and
JP3
J10
J5
J11
CAP
JP4
JP1
J14
J13
February 1997