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ROM Summary
IC
DESCRIPTION
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NUMBER BOARD
PART NO.
Game ROM 1
ROM 4Kx8
2532 IC14
CPU
A-5343-l0690*
Game ROM 0
ROM 4Kx8
2532 IC20
CPU
A-5343-l0689
Flipper ROM 2 ROM 4Kx8
8332 ICl7
CPU
A-534l-09554
Sound ROM
ROM 2Kx8
2716 IC12
Sound
A-5343-l0466
NOTICE
TO ORDER REPLACEMENT ROMS from your authorized WILLIAMS distributor, specify
(1) part number shown above, (2) ROM-label color, (3) REV level (number) on
the label, and (4) which game the ROM is used in.
Control Locations
THE ON-OFF SWITCH is on the bottom of the cabinet near the right-front leg as
you face the game.
THE VOLUME CONTROL is accessible through the coin door on the left
cabinet-wall.
DIAGNOSTIC SWITCHES. ADVANCE, AUTO-UP/MANUAL-DOWN, and HIGH-SCORE RESET
switches are located on the back of the coin door. Refer to Game-Adjustment
Procedure and Diagnostic Procedures for operation.
THE MEMORY-PROTECT SWITCH must be open to clear bookkeeping totals and to make
game adjustments. This switch is on the inside of the coin-door frame. It
automatically opens when the coin door opens.
THE CPU DIAGNOSTIC-SWITCH operates the Memory-Chip Test explained in
Diagnostic Procedures. This switch is on the left edge of the CPU Board.
THE SOUND-BOARD DIAGNOSTIC-SWITCH is used to initiate the Sound-Board
self-test. In games with System-7 boards, this switch is on the top edge of
the Sound Board. Refer to Diagnostic Procedures.
Replacing Circuitboards
CPU BOARD. The level-7, D-8342 CPU Board (batteries at lower left) must be
equipped with the ROMs specified above. Only jumpers W3, W6, W8, WlO, Wll,
Wl4, W17, W19, W20, W22, W25, W26 and W29 should be connected.
DRIVER BOARD. The D-7997 Driver Board must be equipped with zero-ohm
resistors or wire jumpers W9 through W16.
SOUND BOARD. The D-8223 Sound Board must be equipped with the STAR LIGHT
sound-ROM. Only jumpers WI, W2, W5, W7, W9, WlO and W15 should be connected.
POWER-SUPPLY BOARD. The 0-8345 Power-Supply Board is required.
DISPLAY BOARDS. The C-8363 Master-Display Board and 7-digit slave displays
are required.
*Note: German games require part no. A-5343-l0690G.