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SOUND BOARD.
The D-11581-2001 Sound Board is sup-
plied with ROMs and microprocessor. This is a stereo
board with speech capabilities and Yamaha organ circuitry.
The Sound Board must be equipped with ROMs and
jumpers specified in the Sound Board Summary.
DISPLAY BOARDS.
There are two, 14-digit display tubes.
Each tube is attached to its own printed circuit board. Either
tube and its board comprises a Dual Display Module, part
number B084-91851-HOOO.
, MAIN POWER SUPPLY BOARD.
The Power Supply Board
is part number A080-91785-DOOO. This board incorporates .
rectifier and regulator circuitry. Each power supply is fused
on the board. The power transformer (part MTOO-00163-
AOOO)is in the lower cabinet. Power Supply DC voltages in-
clude ...
• Positive five-volt, logic power
• Positive 190V for displays
• 6.3VAC for general illumination
• 11VAC for feature lamps
• 14VDC for controlled lamps
FLIPPER POWER SUPPLY BOARD.
The 50VDC Flipper
Power Supply is part number C-9939-2001. This board in-
corporates rectifier and passive filter circuitry. The power
supply includes a 4ASB fuse. The Flipper Power Supply
derives AC voltage from an auxiliary power transformer.
This flipper power transformer (part 5610-10355-00) is in the
lower cabinet.
1-3
SOUND INTERFACE BOARD.
The Sound Interface Board
is part number C-12417. This board includes a regulator for
the -12VDC sound power amplifier. Also present is a reset
circuit for the Sound Board.