Document Title: [Galaxian.txt (text file)]
Typed in by Jonathan Deitch (jdeitch@umiami.miami.edu)
44 Pin wiring chart for Galaxian
SOLDER SIDE | PARTS SIDE
------------------------------------|--------------------------------------
GND | A | 1 | GND
--------------------------------|---|---|----------------------------------
GND | B | 2 | GND
--------------------------------|---|---|----------------------------------
+5 VDC | C | 3 | +5 VDC
--------------------------------|---|---|----------------------------------
+5 VDC | D | 4 | +5 VDC
--------------------------------|---|---|----------------------------------
| E | 5 | Coin Slot Return
--------------------------------|---|---|----------------------------------
| F | 6 |
--------------------------------|---|---|----------------------------------
| H | 7 | Coin Slot Send
--------------------------------|---|---|----------------------------------
Coin Switch | J | 8 |
--------------------------------|---|---|----------------------------------
Service Switch | K | 9 | Credit Switch
--------------------------------|---|---|----------------------------------
Player One | L | 10| Player Two
--------------------------------|---|---|----------------------------------
Move Left | M | 11| Move Right
--------------------------------|---|---|----------------------------------
Fire | N | 12|
--------------------------------|---|---|----------------------------------
| P | 13|
--------------------------------|---|---|----------------------------------
| R | 14|
--------------------------------|---|---|----------------------------------
Video Ground | S | 15| Input Switch Ground
--------------------------------|---|---|----------------------------------
Video Red | T | 16| Video Green
--------------------------------|---|---|----------------------------------
Video Blue | U | 17| Video Sync
--------------------------------|---|---|----------------------------------
Speaker | V | 18| Speaker
--------------------------------|---|---|----------------------------------
+ 12V | W | 19| + 12V
--------------------------------|---|---|----------------------------------
- 12V | X | 20| - 12V
--------------------------------|---|---|----------------------------------
GND | Y | 21| GND
--------------------------------|---|---|----------------------------------
GND | Z | 22| GND
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Internet: musjndx@gsusgi2.gsu.edu Fidonet: Jonathan Deitch@1:133/411.7
jdeitch@gisatl.fidonet.org Bellnet: 1 - (404) - 261 - 3665
-----------------------------------------------------------------------------
Atlanta 1996 !! | Play Pinball !! | Don't Panic ! | "I hate it when I can't
--------------------------------------------------| trust my own technology!"
"Thrills! Chills! Magic! Prizes!" -- Hurricane | -- Geordi LaForge
Gene Roddenberry, Isaac Asimov, Jim Henson, Dr. Seuss, Mel Blanc ... Sigh ...
Pinouts for Midway's GALAXIAN:
typed by Greg Kam
* NOTE
This pinout is to be used on a converted Galaxian to
operate on DC voltages. Conversion instructions follow
the pinout.
Comp Side | Solder Side
-----------------|---|---|----------------------
GND | A | 1 | GND
-----------------|---|---|----------------------
GND | B | 2 | GND
-----------------|---|---|----------------------
+5 VDC | C | 3 | +5 VDC
-----------------|---|---|----------------------
+5 VDC | D | 4 | +5 VDC
-----------------|---|---|----------------------
| E | 5 | Coin Slot Return
-----------------|---|---|----------------------
| F | 6 |
-----------------|---|---|----------------------
| H | 7 | Coin Counter
-----------------|---|---|----------------------
Coin Switch 1 | J | 8 | Coin Switch 2
-----------------|---|---|----------------------
Test Switch | K | 9 | Credit Switch
-----------------|---|---|----------------------
P1 Start | L | 10| P2 Start
-----------------|---|---|----------------------
P1 Left | M | 11| P1 Right
-----------------|---|---|----------------------
P1 Fire | N | 12| P2 Fire
-----------------|---|---|----------------------
P2 Left | P | 13| P2 Right
-----------------|---|---|----------------------
GND for Table | R | 14|
-----------------|---|---|----------------------
Video GND | S | 15| GND
-----------------|---|---|----------------------
Video RED | T | 16| Video GREEN
-----------------|---|---|----------------------
Video BLUE | U | 17| Video SYNC
-----------------|---|---|----------------------
Speaker (-) | V | 18| Speaker (+)
-----------------|---|---|----------------------
+12 VDC | W | 19| +12 VDC
-----------------|---|---|----------------------
+12 VDC | X | 20| +12 VDC
-----------------|---|---|----------------------
GND | Y | 21| GND
-----------------|---|---|----------------------
GND | Z | 22| GND
-----------------|---|---|----------------------
Conversion from AC to DC
------------------------
Short the following components on the board:
D4
D5
D6
D7
R87
ROMs
-----
U, V, W, Y, Z are NEC 2716s
"886J" is a Fujitsu 8516 (read in as a 2716)
"866L" is a Gen. Instr. 9316 (read in as 2716)
ROM PB-10 Checksum
-----------------------
U...........5B78
V...........F481
W...........E0E3
Y...........48F5
Z...........292F
866J........1D08
866L........D037
}
