                     TRON, Midway 1982
                     -----------------

There is a Filter Assembly and 5 boards not
including the Angle Encoder Board (2 of
them if it's a cocktail):
Power Supply, Dual Amp, Video Gen,
CPU, and Sound I/O (actually, I
believe it's labeled SUPER Sound I/O.
Can you say `WOW!'?).

The only boards you'll actually need
to play the game are the Video Gen, CPU,
and Sound I/O and these are actually
attached in a three board sandwich.
You'll need to make a conversion harness
and find a way to amp the sound, though.



=======================================
VIDEO GEN BOARD (A084-90908-A968)
=======================================

This board has no connectors that go
outside of the 3 board sandwich.  It
only has a couple of connectors for
those 2 thin ribbon cables which run
to the CPU Board.



=======================================
CPU BOARD (A084-91399-A968)
=======================================

This board has 5 connectors for those
thin ribbon cables.  2 go to the Video
Gen Board and 3 go to the SUPER Sound
I/O Board.  Outside of that is:

J1 - 20 pin (GOES TO J4 POWER SUPPLY)

2  - +5v
3  - +5v
4  - +5v
6  - GND
7  - GND
10 - GND
17 - RESET
16 - V.BATT
18 - +12v
20 - A.GND
15 - KEY

(2 WIRES GO TO J5 POWER SUPPLY)

5  - +5v
14 - GND

----------------------------------------

J2 - 9 pin (MONITOR)

1 - RED
2 - GND
3 - GREEN
4 - GND
5 - BLUE
6 - GND
7 - KEY
8 - /HBLNK
9 - /VBLNK



==========================================
SOUND I/O BOARD (A084-90009-A968)
==========================================

J3 - 9 pin (TO 1K VOLUME CONTROL)

1  RVR   ------\       TO 1K VOLUME CONTROL
2  RVS   ------|           "      " (center tap)
3  RV12  ------/           "      "
4  - KEY

(4 WIRES GO TO J1:2,3,6 ON THE DUAL AMP BOARD)

6  - RIGHT SHIELD
7  - RIGHT AUDIO
8  - LEFT SHIELD
9  - LEFT AUDIO

------------------------------------------

J4 - 19 pin

1  - COIN 1
2  - COIN 2
3  - PLAYER 1 START
4  - PLAYER 2 START
5  - PLAYER 1 FIRE
6  - TILT
7  - SERVICE
8  - TEST
9  - COMMON (J4:3-5,7; J5:1-8; J6:9)
14 - KEY
19 - COMMON (J4:1,2,6,8)

(7 WIRES GO TO 10-4 ON THE
 PLAYER ONE ANGLE ENCODER BOARD)

10 - D0
11 - D1
12 - D2
13 - D3
15 - D4
16 - D5
17 - D6

-------------------------------------------

J5 - 23 pin (9 WIRES GROUNDED BY J4:9)

1  - PLAYER 1 LEFT
2  - PLAYER 1 RIGHT
3  - PLAYER 1 UP
4  - PLAYER 1 DOWN
5  - PLAYER 2 LEFT
6  - PLAYER 2 RIGHT
7  - PLAYER 2 UP
8  - PLAYER 2 DOWN
19 - KEY

(2 WIRES GO TO J5 POWER SUPPLY)

20 - COIN METER RETURN GOES TO  CONN 5 PIN 10 ON POWER SUPPLY
21 - COIN METER UNREG+5 GOES TO CONN 5 PIN 1 ON POWER SUPPLY

-------------------------------------------

J6 - 10 pin  (ONLY USED FOR A COCKTAIL VERSION)

8  - KEY

(7 WIRES GO TO 10-4 ON THE PLAYER TWO ANGLE ENCODER BOARD)

1  - D0
2  - D1
3  - D2
4  - D3
5  - D4
6  - D5
7  - D6

(1 WIRE GROUNDED BY J4:9)

9  - PLAYER 2 FIRE



============================================
DUAL AMP BOARD (A082-90910-0000)
============================================

J1 - 8 Pin

4  -  KEY

(3 WIRES GO TO J3 CPU BOARD)

2  -  RIGHT AUDIO
3  -  SHIELD (also called STRAND)
6  -  LEFT AUDIO

(2 WIRES GO TO J5 POWER SUPPLY)

5  -  AUDIO RETURN
8  -  AUDIO

--------------------------------------------

J2 - 6 Pin

3  -  KEY

(2 WIRES GO TO LEFT SPEAKER)

4 - + (PLUS)
6 - - (MINUS)

(2 WIRES GO TO LEFT SPEAKER)

1 - + (PLUS)
2 - - (MINUS)



===========================================
ANGLE ENCODER BOARD (A082-91418-D000)
===========================================

13 Pin

11 -  KEY

(3 WIRES GO TO J5 POWER SUPPLY)

1  - +12v
2  - GND
13 - +5v

(7 WIRES GO TO J4:10-13,15-17 (J6:1-7 FOR PLAYER 2))

10 - D0
9  - D1
8  - D2
7  - D3
6  - D4
5  - D5
4  - D6



===========================================
POWER SUPPLY BOARD (A082-90412-8000)
===========================================

J3 - 9 Pin (GOES TO FILTER ASSEMBLY)

2  - 8v COM
3  - 8v COM
4  - 8v UNREG
5  - 12v COM
6  - 15v UNREG
7  - 5v COM
8  - 8v UNREG
9  - 12v COM

------------------------------------------

J4 - 15 Pin (GOES TO J1 CPU)

1  - V.BATT
3  - +5v
4  - A.GND
5  - +5v
6  - +5v
8  - GND
9  - GND
10 - GND
12 - +12v
15 - RESET

-------------------------------------------

J5 - 15 Pin

(2 WIRES GO TO J1 CPU)

2  - +5v
5  - GND

(2 WIRES GO TO J5 SUPER SOUND I/O)

1  - COIN METER UNREG+5
10 - COIN METER RETURN

(3 WIRES GO TO THE ANGLE ENCODER BOARD(S)S)

3  - GND
4  - +5v
9  - +12v

(2 WIRES GO TO J1 DUAL AMP)

13 - AUDIO
15 - AUDIO RETURN

(2 WIRES GO TO COIN DOOR & DISPLAY LIGHTS)

11 - RETURN FROM LIGHTS (GND?)
14 - +12v

------------------------------------------

J6 - 3 Pin (GOES TO MT-93 XFORMER)

2  - ??? (is it center tap?)
3  - 12v (VIA 2 AMP SLO BLO FUSE)



============================================
FILTER ASSEMBLY (A945-00002-0000)
============================================

INPUT - 9 Pin (FROM MT-96 XFORMER)

1  - 8v (AC?)
2  - CENTER TAP 8v?
3  - 8v (AC?)
4  - CENTER TAP 15v?
5  - CENTER TAP 8v?
6  - CENTER TAP 15v?
7  - 15v (AC?)
8  - GND?
9  - 15v (AC?)

------------------------------------------

OUTPUT - 8 Connections (TO POWER SUPPLY)

(THEY ARE UNNUMBERED IN THE SCHEMATICS.
 SEE THE POWER SUPPLY BOARD SECTION FOR
 WHAT IT NEEDS)

-------------------------------------------------------------------------------
OPTION SWITCH SETTINGS
-------------------------------------------------------------------------------
-------------------------------------------------------------------------------
/////////// SWITCH NO. 1 - AT B3 - LOCATED ON SOUND I/O P.C. BOARD ////////////
-------------------------------------------------------------------------------
                           | SW#1 SW#2 SW#3 SW#4 SW#5 SW#6 SW#7 SW#8 SW#9 SW#10
                           |---------------------------------------------------
    2 COIN METERS          |  ON             NOT  NOT  NOT  NOT  NOT  NOT  
    1 COIN METER           | OFF            USED USED USED USED USED USED
---------------------------|---------------------------------------------------
    MINI / UPRIGHT         |       ON
    COCKTAIL TABLE         |      OFF
---------------------------|---------------------------------------------------
    BUY IN ALLOWED         |            ON
    NO BUY IN              |           OFF
---------------------------|---------------------------------------------------
    FREEZE VIDEO           |                                               ON
    NORMAL OPERATION       |                                              OFF
-------------------------------------------------------------------------------
-------------------------------------------------------------------------------
/////////// SWITCH NO. 3 - AT D14 - LOCATED ON SOUND I/O P.C. BOARD ///////////
-------------------------------------------------------------------------------
-------------------------------------------------------------------------------
                             | SW#1 **SW#2 **SW#3 **SW#4
                             |---------------------------
       NORMAL OPERATION      | OFF
  SOUND I/O DIAGNOSTIC MODE  |  ON
-----------------------------|-------------------------------------------------
      NORMAL OPERATION       |        OFF
        RAM/ROM TEST         |         ON
 INDICATES TEST RESULTS VIA  |
 YELLOW  L E D  ON SOUND I/O |
 BOARD: FAST FLASH = BAD ROM |
        SLOW FLASH = BAD RAM |
-----------------------------|-------------------------------------------------
      NORMAL OPERATION       |               OFF
      OSCILLATOR TEST        |                ON
-----------------------------|-------------------------------------------------
      NORMAL OPERATION       |                      OFF
        FILTER TEST          |                       ON
-------------------------------------------------------------------------------

** NO EFFECT IF SW#1 OR SWITCH NO. 3 IS IN THE "OFF" POSITION.

   THE REMAINDER OR TRON'S MOST COMMON OPTION SETTINGS ARE CONDUCTED
   DURING THE MACHINE SETUP PORTION OF THE SELF-TEST MODE.  SIMPLY
   FOLLOW THE ON-SCREEN INSTRUCTIONS TO MAKE ANY ADJUSTMENTS YOU
   FEEL ARE NECESSARY.


