Atari Vector Monitor Repair/Upgrade INDEX V6.3 (8/1/96)

Contents:

Table of Contents
Chapter 1) Introduction
1.1) About the Author
1.2) Official CYA legal warning and waiver
1.3) Copyright Information
1.4) Distribution Rules
1.5) Ackowledgments
1.6) Have and Want
Chapter 2) How does a Vector monitor work?
Chapter 3) How does that help me with repair?
Chapter 4) How do Wells-Gardner and Amplifone differ?
4.1) CRT (neck) pinout
4.2) Deflection board pinout
Chapter 5) "SPACE FURY" COLOR (G-80) X-Y SYSTEM REDESIGN (Sega)
Chapter 6) Did Amplifone solve all of Wells-Gardner's problems?
6.1) No HV?
6.2) Installing the Amplifone HV transformer
Chapter 7) Atari Star Wars High-Voltage Board (transistor!)
Chapter 8) Major Havoc Installation Instructions TM-268
Chapter 9) Atari Field Service bulletin
9.1) STAR WARS Vector-Generator PCB
9.1.1) Shaky Video
9.1.2) Zero-Ohm Resistor Jumpers
9.1.3) Capacitor Failure
9.2) STAR WARS Display Problems
9.3) ORIGINAL
9.4) First Revision
9.5) Second Revision
9.6) STAR WARS Display Problems (continued...)
9.7) TESTING TRANSISTORS WITH AN ANALOG OHMMETER
9.8) TESTING TRANSISTORS WITH AN DIGITAL MULTI-METER
Chapter 10) TEMPEST DISPLAY troubleshooting (flowchart)
10.1) Weirdness between player one and two (Tempest machines only)
10.2) Deflection Problems
10.2.1) Fuses F100 [and F101] blow on power up
10.2.2) Spot Killer ON and display dead
10.2.3) Display dead after Zanen kit
10.2.4) No X (or Y) deflection
10.2.5) R101 burns on power up
10.2.6) Accidentally shift P101 over 1 pin and power up machine
10.2.7) Display bad only in lower right quadrant
10.3) Neck (CRT) board problems
10.3.1) Color problems
10.3.1.1) Colors drop in and out (ZD500 open on neck board) (Display is too bright)
10.3.1.2) No red
10.3.1.3) Only red
10.3.1.4) Red too bright
10.3.1.5) Red does not turn off when dimmed all the way
10.3.1.6) No green
10.3.1.7) Only green
10.3.1.8) Green too bright
10.3.1.9) No green + blue is red
10.3.1.10) Green is red
10.3.1.11) Green does not turn off when dimmed all the way
10.3.1.12) No blue
10.3.1.13) Only blue
10.3.1.14) Blue does not turn off when dimmed all the way
10.4) High Voltage Board Problems
10.4.1) Display unstable
10.4.2) Picture too bright but all else OK
10.4.3) R925, R919, and R917 are smoked
10.4.4) R901, R907, R903 are smoked and Q902 and ZD901 are shorted
10.4.5) Top of Q901 blowing off
10.4.6) Top of Q902 blowing off
10.4.7) R901 and R907 are smoking
10.4.8) Just R901 smokes
10.4.9) R903 smokes
10.4.10) R904 smokes
10.4.11) R907 smokes
10.4.12) R908 smokes
10.4.13) R912 smokes
10.4.14) R917 smokes
10.5) No HV (very dead sound)
10.5.1) Waveform at IC901 outputs; if missing, check
10.5.2) Waveform at Q906; if missing, check
10.5.3) Waveform at Q905; if collector wrong, check
10.5.4) Waveform at R921; if wrong, check
10.5.5) IC901; if no input voltages, check
10.5.6) IC901; if input voltages present, check
10.5.7) If you are also blowing any fuses, check
10.5.8) F600 blows immediately on powerup
10.5.9) Blooming/"weak" brightness/Low HV
10.6) HV range wrong, what causes it?
10.7) High voltage control has no effect; value is always
10.8) Weird CRT problems (focus snaps in and out)
10.9) Special help for TEMPEST
Chapter 11) Fine-Tuning the picture
11.1) HV over-voltage protection circuit
11.2) White balance adjustment sections of TM-183
11.2.1) COLOR PURITY
11.2.2) STATIC CONVERGENCE ADJUSTMENT
11.2.3) ADJUSTMENT OF DYNAMIC CONVERGENCE (Figures 7, 8 and 9)
Chapter 12) Improving your Monitor (preventing future problems!)
12.1) Major Havoc Installation Instructions TM-268
12.1.1) Preliminary Procedure
12.2) Version 1
12.3) Version 2
12.4) Version 3
12.5) Version 4
Chapter 13) Improving deflection boardboard to improve its reliability
Chapter 14) Atari document about the INPUT PROTECTION CIRCUIT (IPC)
14.1) Input Protection Circuit (IPC) PCB Parts List
14.2) Schematic for IPC
Chapter 15) How to make a 'TEMPEST' Monitor Trouble-Free.
15.1) FIRST HALF
15.2) HALF TIME
15.3) SECOND HALF
15.4) FINAL TWO-MINUTE WARNING
Chapter 16) Deflection board "hacks" to extend life
16.1) Hack 1
16.2) Hack 2