Page 115 - Judge Dredd

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Game
Wiring and
Schematics
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CONNECTOR
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COMPONENT IDENTIFICATION
Each plug or jack-except the Audio Board and Dot Matrix Display/Driver Board-receives
a number that identifies the circuit board and position on that board that it connects to.
J-designations refer to the male part of a connector. P-designations refer to the female
part of a connector.
For example. J1 01 designates jack 1 of board 1 (a Power Driver
Board Board jack); P206 designates plug 6 of board 2 (a CPU Board plug). Identifying
the specific pin number of a connector involves a hyphen. which separates the pin
number from the plug or jack designation.
For example. ,J101-3 refers to pin 3 of jack 1
on board 1.
Other game components may also have similar numbers to clarify their locations or
related circuits. For example, F501 refers to a fuse located on the Sound Board.
Prefix numbers for the WPC circuit boards are listed below.
1-Power Driver Board
2-CPU Board
6-Dot Matrix Controller
9-Fliptronic II Controller Board
The Audio Board and Dot Matrix Display/Driver Board do not have an identification number.
Schematics for standard WPC backbox boards are found in the WPC Schematics
Manual. Playfield, cabinet, and all other backbox board schematics are found in this
section.
Judge Dredd 3-1