Williams Sinistar Instructions Service Manual
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SOUND BOARD DIAGNOSTICS SYMPTOM TEST & PROCEDURES CHECK ROM BOARD OUTPUTS (1) If you hear game sounds, disconnect and reconnect sound board connector 10P3/J3. (2) You Should hear one or more game sounds. If so put the game in Diagnostic Mode Test 4 and proceed with this checkbox. If not go ahead to POWER SUPPLY checkbox below. TEST TOOL CONDTION & REMEDY ROM board connector 2P4/J4-2 to 7logic probe (game on and in test 4)• PULSING - Repair cable to sound board. • ANY LOW - Replace jack or foil,...
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CMOS RAM Data Test Protocol The first sub-test of the CMOS RAM data is that of the ATTRACT MODE MESSAGE checksum. If the test does not pass, the factory ATTRACT MODE MESSAGE is restored. Next, the game adjustments are checked and restored to factory settings if an error is found. If game adjustments are found intact, the high score table is checked for any bad entries. Bad entries are replaced with a score of 4,000 points and no initials. If all entries check, the game returns to the Game Over Mode....
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CHAPTER 4 Parts Information
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5 UPRIGHT: Weight 270lbs (122.5 Kg.) uncrated 290lbs (131.5 Kg.) crated COCKPIT: Weight 342lbs (155 Kg.) uncrated 402lbs (182.5 Kg.) crated **Patent Pending Specifications subject to change without notice. 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...