16P-3001-103 R-T
July, 1981
This booklet provides operation, auditing, adjustment, and diagnostics for DEFENDER.
POWER TURN ON
With power first applied, a sound is produced, general illumination comes on, and random
patterns appear on the CRT as the game sequences through RAM, ROM, and battery checks.
The game then comes up in game over. Messages are displayed for RAM or ROM failures;
refer to Power Up and Reset RAM/ROM Tests. If the game comes up in Bookkeeping, turn the
game OFF and back ON.
a.
If the game now sequences through the tests and then comes up in game over, the
bookkeeping totals have been reset to zero.
b.
If the game still comes up in bookkeeping, open coin door and turn the game OFF and
ON. The game will now sequence through the tests and come up in bookkeeping. This is an
indication of battery failure and the game has reverted to factory settings. To return to
game over:
1. Set switch to MANUAL-DOWN.
2. Depress ADVANCE to display Function 28.
3. Set switch to AUTO-UP and depress ADVANCE.
GAME OPERATION
GAME START - Insert coins - credits are displayed on CRT. Press 1 or 2-player start.
PLAYER CONTROLS
UP-DOWN Switch – maneuvers player ship.
REVERSE Switch - reverses player ship direction.
THRUST Switch - controls player ship speed.
FIRE Switch - activates laser gun.
HYPERSPACE Switch - warps rocket to another quadrant, danger of possible annihilation.
SMART BOMB Switch - destroys all alien ships on screen. A maximum of 3* per play.
GAME PLAY
Destroy alien ships and missiles. Rescue humanoids, pick them up, and return to surface.
Destroy all enemy ships for humanoid bonus and additional alien waves. Bonus ships and
Smart Bombs provided every 10,000* points.
HIGH SCORE SIGNATURE
Use UP/DOWN to select letters and FIRE button to lock in letter.
CREDITS IN GAME
Twenty or less credits are retained in memory after power down. To remove credits from
game post 21 or more credits and depress ADVANCE in AUTO-UP two times in succession.
Credits are also removed any time Function 28 is changed.
* Indicates adjustable features.
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FUNCTION
13
COIN DOOR MECHANISM
All USA Variants
CREDITS
˜1/25¢, 5/$1
10
00
00
03
00
00
00
01
05
02
00
04
06
00
07
08
02
00
03
05
00
04
00
00
11
01
01
01
01
03
12
01
01
06
01
01
01
01
01
01
00
01
01
01
02
01
01
02
12
04
04
04
04
12
48
04
04
00
00
16
00
00
00
00
04
00
04
04
00
00
00
00
14
01
01
01
01
04
14
02
02
01
02
02
01
01
01
02
04
02
01
02
05
02
01
05
15
04
04
00
00
15
96
04
00
00
00
00
00
04
00
00
00
00
00
00
00
00
00
00
16
00
02
00
02
00
24
00
00
00
00
00
00
00
00
00
00
00
00
00
00
00
00
00
01
01
01
01
03
12
01
01
01
01
06
04
04
02
02
˜2/50¢, 5/$1
l1/25¢, 4/$1
˜2/50¢, 4/$1
˜1/50¢, 3/$1, 4/$1.25
˜1/50¢, 3/$1, 7/$2
l1/50¢, 3/$1, 6/$2
l1/50¢
l1/1DM, 6/5DM
˜1/20¢, 3/50¢
l1/2F, 3/5F only
l1/25¢, 4/1G
˜1/25¢, 5/1G
l1/5F, 2/10F
l1/10F
l2/1F 5/2F
˜1/200 Lire
l1/1 Coin
l1/2 Coins
˜1/3 Coins, 2 5 Coins
l1/2, 3/5
˜1/1, 5/5
˜1/3, 2/5
1DM, 5DM
20-Cent, 50-Cent
1 Franc, 5 Franc
25 Cent,
1 Guilder
5 Franc,
10 Franc
01
1 Franc, 2 Franc
100 Lire, 200 Lire
Twin Coin
02
01
01
02
06
05
10
1 Unit, 5 Unit
l Indicates standard price settings by adjusting only Function 10. For other price
settings, set Function 10 to 00 and set. Functions 11 through 16 to the values
indicated in the chart.
Table 1. Standard and Custom Price Settings
7.
To restore factory settings and zero audit totals:
a. Operate HIGH SCORE RESET in AUTO-UP to indicate "45" on CRT for Function 28.
b. Depress ADVANCE. The game returns to Audit Function l.
c. Set switch to MANUAL-DOWN and depress ADVANCE to indicate Function 28 on the CRT.
d. Set switch to AUTO-UP and depress ADVANCE.
RESETTING HIGH SCORE SIGNATURES
To reset the “TODAYS GREATEST” signatures to factory settings, turn game OFF and ON
or depress HIGH SCORE RESET in game over mode. To also reset “ALL TIME GREATEST”
signatures to factory settings, set Function 28 to 15 and depress ADVANCE in AUTO-
UP.
POWER-UP AND RESET RAM/ROM TESTS
Test initiated at power turn-on and after depressing RESET pushbutton on CPU/Video Board.
CRT
INDICATION
INITIAL
TESTS OK
LED
INDICATION
4 LEDs blink
twice
RESULT
PASS
CORRECTIVE ACTION
-
Depress ADVANCE in
MANUAL-DOWN while
failure message is
displayed to enter
Diagnostics.
l¡¡l
RAM TEST
FAILED
1st and 4th
LED’s light
FAIL RAM
FAIL ROM
ROM TEST
FAILED
None
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ROM DIAGNOSTICS – TEST 1
From game over, depress ADVANCE IN MANUAL-DOWN.
CRT
RESULT
PASS
LED INDICATION
CORRECTIVE ACTION
None
INDICATION
ALL ROMS OK
¡l¡¡
2nd LED blinks
twice.
ROM FAILURE
x
Replace ICx on ROM Board
or depress ADVANCE in
MANUAL-DOWN; Replace:
¡l¡¡
2nd LED lights.
FAIL
(x=ROM No
1 – 12)
Chip Indicated:
¡¡¡l
IC1
IC2
IC3
IC4
IC5
IC6
IC7
IC8
IC9
IC10
IC11
IC12
¡¡l¡
¡¡ll
l¡¡¡
l¡¡l
l¡l¡
l¡ll
¡l¡¡
¡l¡l
¡ll¡
¡lll
ll¡¡
RAM DIAGNOSTICS – TEST 2
From ROM Diagnostics depress ADVANCE in AUTO-UP.
CRT
INDICATION
Random
RESULT
LED INDICATION
CORRECTIVE ACTION
-
Depress ADVANCE in AUTO
TESTING
Pattern
to bypass test.
-
l¡¡¡
1st LED blinks
twice.
PASS
FAIL
ALL RAMS OK
RAM FAILURE
xy
Replace RAM (see
following) or depress
ADVANCE in MANUAL-DOWN
l¡¡¡
1st LED lights.
(x=Bank,
y=Chip No)
Bank Indicated:
¡l¡¡ = 1
Depress ADVANCE in
MANUAL-DOWN
l¡¡¡ = 2
¡¡l¡ = 3
Replace in bank:
Chip Indicated:
¡¡¡l= 1
¡¡l¡ = 2
¡¡ll= 3
l¡¡¡ = 4
l¡¡l= 5
l¡l¡ = 6
l¡ll= 7
¡l¡¡ = 8
1
2
3
1R
1S
1T
1U
1W
1X
1Y
1Z
2R
2S
2T
2U
2W
2X
2Y
2Z
3R
3S
3T
3U
3W
3X
3Y
3Z
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CMOS RAM DIAGNOSTICS – TEST 3
From RAM Diagnostics depress ADVANCE in AUTO-UP.
CRT
INDICATION
RESULT
PASS
LED INDICATION
FAULTY AREA
-
¡¡l¡
CMOS RAM TEST
PASSED
3rd LED blinks
twice.
CMOS RAM
FAILURE
CMOS RAM 1E memory
¡¡l¡
FAIL
protect gates 4J, 6H, or
address decoder 4K, 5P.
Coin door interlock,
Memory protect gates 5B,
6H,4J, OR CMOS RAM 1E
3rd LED lights.
CMOS
INTERLOCK
FAILURE
¡¡l¡
3rd LED lights.
COLOUR RAM TEST – TEST 4
From CMOS RAM test depress ADVANCE in AUTO-UP.
COLOUR
FAULT
SEQUENCES
1 LIGHT RED
2 RED
3 DARK RED
4 LIGHT GREEN
5 GREEN
RAM 2C
Band of red
intensity variance
or washout
Band of yellow
RAM 1C
Band of magenta
CRT SEQUENCES THROUGH 8
COLOURS, 2 SECONDS EACH
Band of cyan
6 DARK GREEN
7 LIGHT BLUE
8 BLUE
Band of magenta
Band of blue
intensity variance
or washout
9 DARK BLUE
4 LIGHT GREEN
Band of green
Band of dark green
or washout
VERTICAL BAND INDICATES
COLOUR RAM FAULT.
5 GREEN
Band of light green
Band of faint
green, Band of
darker green
¡¡¡l
6 DARK GREEN
Band of washout
4TH LED REMAINS LIT
DURING TEST
Note that a blank sequence or two sequences with same
shade indicate 2C or 1C RAM or color analogue circuit
faulty.
Tests 5 and 7 provide sequential subtests. To stop automatic cycling set switch to
MANUAL/DOWN. Depress ADVANCE in MANUAL-DOWN to step through subtests.
SOUND TEST – TEST 5
From Color RAM test, depress ADVANCE in AUTO-UP.
Test sequences sounds 1 through 31, skipping 19, 27, and 28.
Missing
Check
2P4/10P3 Pin 3
2P4/lOP3 Pin 2
1
2
4
8
2P4/10P3 Pin 5
2P4/10P3 Pin 4
16
All
2P4/10P3 Pin 7
Perform Sound Board Diagnostics
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SWITCH TEST – TEST 6
CRT indicates AUTO-UP closed and any stuck switches. Set switch to MANUAL-DOWN and
clear any stuck switches. CRT should indicate no switches closed. Operate switches
and check for display of switch name.
Coin Door
ADVANCE
HIGH SCORE RESET
LEFT COIN
Player Panel
UP
DOWN
REVERSE
CENTER COIN
RIGHT COIN
1 - PLAYER START
2 - PLAYER START
HYPERSPACE
SMART BOMB
THRUST
FIRE
MONITOR SET UP TEST PATTERNS - TEST 7
From Switch Test depress ADVANCE in AUTO-UP.
Pattern
CROSS HATCH
RED
GREEN
BLUE
Alignment/Adjustment
Vertical and Horizontal Linearity, Convergence, Focus
}
} Color Purity
}
COLOUR BARS
1 2 3 4 5 6 7 8
1 = RED
2 = GREEN
3 = BLUE
4 = WHITE
5 = BLACK
6 = YELLOW
7 = CYAN
8 = MAGENTA
The color bar pattern is also analyzed to detect color RAM faults. If Color RAM Test 4
indicates no faults, a double-width band, half width bands, transposition or missing
bands indicates a fault in 2E, 1C, or 2C chips.
To return to game over:
l.
2.
Depress ADVANCE in AUTO-UP. Audit function 1 is displayed.
Set switch to MANUAL-DOWN and depress ADVANCE. Special Adjustment Function 28 is
displayed.
3.
Set switch to AUTO-UP and depress ADVANCE.
INITIATING AUTO-CYCLE MODE
1.
2.
Set switch to AUTO-UP and depress ADVANCE. Audit Function 1 is indicated on CRT.
Set switch to MANUAL-DOWN and depress ADVANCE to indicate SPECIAL FUNCTION 28 on
CRT.
3.
4.
5.
Set switch to AUTO-UP and operate HIGH SCORE RESET to indicate 15 on CRT for
Function 28.
Depress ADVANCE. The game sequences through ROM, RAM, Sound tests and monitor test
patterns.
To exit the AUTO-CYCLE mode, depress ADVANCE in AUTO-UP.
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SOUND BOARD DIAGNOSTICS
Depress DIAGNOSTIC pushbutton on the bottom of the Sound Board. A check is made of the
Sound ROM and sounds are produced if the check is good. If sounds are produced but not
produced in Audio Test 5 check for ROM board PIA outputs on Sound Board inputs that is
stuck low. If no sound is produced either the Sound ROM, input power, or other Sound
Board circuitry is faulty.
"Warning: This equipment generates, uses, and can radiate
radio frequency energy and if not installed and used in
accordance
with
the
instructions
manual,
may
cause
interference to radio communications. As temporarily
permitted by regulation it has not been tested for
compliance pursuant to Subpart J of Part 15 of FCC Rules,
which are designed to provide reasonable protection against
such interference. Operation of this equipment in a
residential area is likely to cause interference in which
case the user at his own expense will be required to take
whatever
measures
may
be
required
to
correct
the
interference."
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