Sega Sports Jam Instruction And Service Manual

1ST  PRINTING  DEC. 00
MANUAL NO. 999-1118 SEGA ENTERPRISES, INC.  USA
Universal Kit
Kit Installation Instructions
& Service Manual
Switchable FROM High Resolution 31K
TO Standard (Low) Resolution 15.75K.
2 PLAYER GAME
(2) 8-Way Joystick per player
(2) Action Buttons per player
(1) Start Button per player
for a Horizontal Monitor
Kit come with one (1) JVS/JAMMA Interface Board
for two (2) Player Action.
Naomi GD-Rom System 

Warranty
Your new Sega Product is covered for a period of 90 days from the date of shipment.  This certifies
that the Printed Circuit Boards, Power Supplies and Monitor are to be free of defects in workman-
ship or materials under normal operating conditions.   This also certifies that all Interactive Control
Assemblies are to be free from defects in workmanship and materials under normal operating condi-
tions.  No other product in this machine is hereby covered.
Sellers sole liability in the event a...

1
1P
Start Sw.
8-Ways
SW2
SW1
PLAYER 12P8-Ways
SW2
SW1
PLAYER 2
Button Layout Overview
(See Templates on Page VII)
FIG. 1Kit Overview
Transformer
Audio Board
Power Supply
Volume/
Speaker/
Coin Meter
Cable
JVS/JAMMA
Interface Board
AC Power
Cable
(GRN/WHT
& BLK)
GD-
ROM
VGA Output
JVS USB Port
Service Switches 

2
INSTALLATION INSTRUCTIONS
1)  First.  Remove all access panels from the game.  Locate the original game Logic PCB’s & Power
Supply and remove from the Cabinet by first disconnecting all harnesses from the boards.  (You need
only to splice in the Main Power (110v AC) into the 3-Pin Connector (GRN/WHT/BLK).)
2)  Remove all existing game harnesses (we suggest using New Jamma Harnesses (NOT contained in the
kit) to ensure reliability).
3)   Locate the most convenient and open area of the cabinet to mount...

3
INSTALLATION INSTRUCTIONS
10)  Proceed to place new decals on the sides of the cabinet.  Locate a new monitor bezel, if needed, and
replace glass, if required (due scratches).  Install Instruction Placard to the back of the Monitor Glass.
NOTE:  As a precaution, disconnect the JAMMA Harness from the I/O Boards and turn power on.  With a
Multi-Meter, measure the 5v and adjust if necessary to 5.15v DC.  Measure the +12 to ensure the wires and
voltages are in the correct position.  Turn power off.  Plug...

4
Coin Meter
TestService
Volume 
JAMMA Pin     R
JAMMA Pin    15 JAMMA Pin      1
Yellow Wire from Extra
Harness  (+5v)JAMMA Pin  8
+ _
Pin 1
Pin 5Pin 4 To CN1 of
Amplifier Board
YEL/RED
WHT/RED GRN/RED
From CN2 of
Amplifier Board
From CN4 of
Amplifier Board
GRY/RED
ORG/RED
ORG/BLUE GRY/BLUELeft
Speaker
Right
Speaker
Sega Naomi System Switch
Bracket and Speaker
Installation Diagrams
(Figure 3) 

5
4 1
2
3
5
6
7
8
10
11
12
13
14
15
16
17
1
8
19
20
21A
B
C
D
E
F
H
J
K
L
M
N
P
R
S
T
U
V
X
Y
Z
a 22
23
24
4ed
26 25cb
28f 279
W
Ground
Ground Ground
Ground
+5v (Not Used)+5v (Not Used)
+5v (Not Used)+5v (Not Used)
(Not Used)(Not Used)
+12v (Not Used)+12v (Not Used)
KeyKey
Coin Meter 1
Coin Meter 2
(Not Used)
(Not Used)
(Not Used)(Not Used)
(Not Used)
(Not Used)
Video Red
Video Blue
Video GroundVideo Green
Video Sync
Service
Test
(Not Used)
Coin 1
Coin 2
1P Start
2P Start
1P UP2P UP
2P Down 1P Down
1P...

6
CN4
Sega Naomi System
Filter Board Information
Connector Description etc.
PSW2PSW1
CN3CN2CN1
DIPSW1
Power Connectors VGA Level
Video Out Preamp Level
Audio Out Test
 Switch Service
Switch
1
12
23
34
Setting for High
Resolution 31KHZ
1 -4 off
Setting for Standard
Resolution 15KHZ
1 on 2-4 off. 

7
Cut Copied Page Only
BUTTON LAYOUT
CONFIGURATION
Below are Actual Size Templates for
PROPER ERGONOMIC PLACEMENT
of your Control Panel Buttons.
(Copy this page to cut templates at dotted lines.) 

8
THIS PAGE INTENTIONALLY BLANK