BT OE35 - SCR Component Checks; Main Logic Card

SCR Component Checks
PS S5.3 5230
F-code Section C-code
Version no T-code
001
© BT Products
179
Service Manual 1997-04-15
SCR Component Checks
1. Main Logic Card
All troubleshooting is written to check all outside devices and
eliminate them as the source of the symptoms. The
conclusion being then that the card is faulty.
1.1. Instructions for Removal of Control
Card.
 Remove control wires on the screw terminals 1
through 6 as required.
 Unplug A, B, and Z plugs by pressing down on tab with
wide blade screwdriver and rotating 90 degrees.
 Remove the two mounting screws and lift card box.
 Reverse procedure to install new control card.
NOTE!
Do not attempt to remove circuit broad from
card box.
Z Plug
Y Plug
B Plug
A Plug
Mounting Screw
Terminal 1-6
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