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Section 8 – Diagrams and Schematics
gvrSX™ Conversion System Manual
Page 44 of 48 040-0050-01 Rev. A 10/29/2004
Jamma Conversion Board
J4 (Video In)
Video Green 2
Video Blue 3
Video Red 1
Video Sync 4
Video GND 6
J7
1 Video Red
2 Video Green
3 Video Blue
4 Video GND
6 Hsync/
UVC
J1
VGA In
To VGA Out
on Computer
J8
Power In
To DC Power
Supply
Computer
Composite
NC 5
5 Video Sync
VGA Port on Video Card
AC In
USB Port
To Power
Strip
To Monitor
or UVC
Happ UGCI Board
VCC 1
GND 5
GND 6
YAX 9
XAX 10
VCC 12
J6
GND 1
GND 2
J54 4
J53 5
J52 6
J51 7
J4
BLK
BLK
R
E
D
-
B
L
K
G
R
Y
WHT
GRN
Trigger A*
Trigger B*
Missiles
Cannon
ORG
BRN
BRN
BLU
PPL
ORG
Joystick
* Trigger buttons are
located on joystick.
Jamma Connector
Ground A (29) 1 Ground
Ground B (30) 2 Ground
+5V C (31) 3 +5V
E (33) 5
+5V D (32) 4 +5V
+12V F (34) 6 +12V
H (35) 7
J (36) 8 Coin Counter Out Amp
Left Speaker -
3
L (38) 10 Left Speaker +
3
K (37) 9
Right Speaker -
3
M (39) 11 Right Speaker +
3
Video Green
1
N (40) 12 Video Red
1
Video Sync
1
P (41) 13 Video Blue
1
S (43) 15 Operator Button
Coin Switch R (42) 14 Video Ground
Coin 2 T (44) 16 Coin 1
U (45) 17 Start Button
2
V (46) 18
X (48) 20
W (47) 19
Y (49) 21
Z (50) 22
a (51) 23
c (53) 25 Coin 3
b (52) 24
d (54) 26
Ground f (56) 28 Ground
Ground e (55) 27 Ground
Solder Side Parts Side
Notes:
1
Jamma video connections are not used with the Wells-Gardner
®
monitor upgrade.
2
Jamma button connectors are not used if the buttons are connected directly to J6 on the Jamma Conversion Board.
3
For mono audio, only the Left Speaker + and Left Speaker -speaker connections are used.
Power is supplied to the Jamma Harness through JI on the Jamma Conversion Board.
Coin Counter
Coin Switch
To +5 VDC
Devices
To +12 VDC
Devices
To +5 VDC
Devices
To +12 VDC
Devices
+
-
USB Port
USB Port
J2 (Audio In)
R Audio 2
L Audio 5
GND 1
Speakers Out
Jamma
Edge
To Jamma
Connector
USB
Hub
Dongle
Dongle
Dongle
J1 (PWR)
GND 2
GND 3
+12 VDC 1
+5 VDC 4
To DC Power Supply
J7 (Aux Coin/Test)
GND 4
Meter Drive Input 3
Test 2
Coin 1
J3
J5
8 GND
1 CN1
2 JS6
Figure 6. Detailed Wiring Diagram