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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
g
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BOOKKEEPING AND EVALUATION TOTALS (Functions 1-7) 1. In game over mode, set switch to AUTO-UP and depress ADVANCE. The CRT indicates Function 1 and total left chute coins. 2. Records audit totals and depress ADVANCE for functions 1-7. To review a total that has been advanced past, set switch to MANUAL-DOWN and depress ADVANCE. Functions are displayed one at a time as follows: Function Tota1* Description 1 0 (Total) COINS LEFT 2 0 (Total) COINS CENTRE 3 0 (Total) COINS RIGHT 4 0 T
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FUNCTION COIN DOOR MECHANISM CREDITS 10 11 12 13 14 15 16 All USA Variants 1/25¢, 5/$1 00 01 04 01 01 04 00 2/50¢, 5/$1 00 01 04 01 01 04 02 l1/25¢, 4/$1 03 01 04 01 01 00 00 2/50¢, 4/$1 00 01 04 01 01 00 02 1/50¢, 3/$1, 4/$1.25 00 03 12 03 04 15 00 1/50¢, 3/$1, 7/$2 00 12 48 12 14 96 24 l1/50¢, 3/$1, 6/$2 01 01 04 01 02 04 00 l1/50¢ 05 01 04 01 02 00 00 1DM, 5DM l1/1DM, 6/5DM 02 06 00 01 01 00 00 20-Cent, 50-Cent 1/20¢, 3/50¢ 00 01 00 01 02 00 00 1 Franc, 5 Franc l1/2F, 3/5F
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ROM DIAGNOSTICS – TEST 1 From game over, depress ADVANCE IN MANUAL-DOWN. CRT RESULT LED INDICATION CORRECTIVE ACTION INDICATION ¡l¡¡ nd PASS ALL ROMS OK 2 LED blinks None twice. ROM FAILURE Replace ICx on ROM Board ¡l¡¡ nd FAIL x 2 LED lights. or depress ADVANCE in MANUAL-DOWN; Replace: (x=ROM No Chip Indicated: 1 – 12) ¡¡¡l IC1 ¡¡l¡ IC2 ¡¡ll IC3 l¡¡¡ IC4 IC5 l¡¡l l¡l¡ IC6 l¡ll IC7 ¡l¡¡ IC8 ¡l¡l IC9 ¡ll¡ IC10 ¡lll IC11 ll¡¡ IC12 RAM DIAGNOSTICS –
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CMOS RAM DIAGNOSTICS – TEST 3 From RAM Diagnostics depress ADVANCE in AUTO-UP. CRT RESULT LED INDICATION FAULTY AREA INDICATION - ¡¡l¡ CMOS RAM TEST rd PASS 3 LED blinks PASSED twice. CMOS RAM CMOS RAM 1E memory ¡¡l¡ FAIL FAILURE protect gates 4J, 6H, or rd 3 LED lights. address decoder 4K, 5P. CMOS Coin door interlock, ¡¡l¡ INTERLOCK Memory protect gates 5B, rd 3 LED lights. FAILURE 6H,4J, OR CMOS RAM 1E COLOUR RAM TEST – TEST 4 From CMOS RAM test depress AD
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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 Player Panel ADVANCE UP HIGH SCORE RESET DOWN LEFT COIN REVERSE CENTER COIN 1 - PLAYER START RIGHT COIN 2 - PLAYER START HYPERSPACE SMART BOMB THRUST FIRE MONITOR SET UP TEST PATTERNS - TEST 7 From Switch Test 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. "Wa
