Star Tech Journal

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September • 1991
STAR*TECH Journal's
Best of STAR*TECH Journal
ADVANCED
SWITCHING
TROUBLESHOOTING
POWER SUPPLIES
Service Manual
Service Manual
* * *
* * *
Section I Introduction Soldering Equipment, Digital
New! Just Published. All about Switching Power
Supplies . From the very beginning! Switchers are
Mutimeters, Logic Probe, Transistor Tester, Oscillo-
scope, Logic Analyzer, CPU Emulators.
covered from when they first appeared in our In-
dustry up to the current models and uses.
Section II Electronic Components Diodes, Diode Pa-
rameters, Transistors, Transistor Parameters,
Zeners, Zener Parameters, Resistors, Resistor
Types, Capacitors.
Theory and Circuit Analysis. Voltage Measure-
ments, Substitute Parts and Failure Modes.
Modifications. Getting negative voltages from
Section III Power Supplies Linear /Switching Com-
parison Chart, Linear Supplies, Fixed Terminal
Regulator, Series Pass Regulator, Failure Modes,
Crowbar Circuit, Modifications, Switching Sup-
plies, Pulse Width Modulation, Common Mistakes,
Troubleshooting Checklist.
positive-only switchers, Identifying power legs on
----.. ICs, Capacitor Replacements.
Troubleshooting. Peter Chou, Condor, Wico, Power
Plus, Nintendo, Sieracin, HiTron, Penn-Ray.
Section IV Monitors Common Errors, Rules of
Thumb, Wells Gardner K7000, Common Problems,
Hantarex MTC9000, Common Problems, RGB Gen-
erator.
Never before published information outside of our
- journals. This info can not be found in any of our
current service manuals.
.,,.,p
So, if you' re looking for the definitive word on Switching
Power Supply servicing and repair, this is it. Now, you
can determine if that switcher is repairable or simply not
worth your time. Look up the symptom, perform the
solution and you' re back in business. Take another look at
that pile of useless supplies in the corner of your shop-
are they really beyond help? Maybe not!
Section V Digital and 1/0 Integrated Circuits, 7400
TTL, 4000 Series, Hybrids, Information Sources,
Switch Input Circuits, Switch Matrix, Analog Mul-
tiplexer.
Section VI Microprocessors Embedded Controllers,
Busses, 68000, ZBO, 6502, NOPs.
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Mail coupon to: STAR*TECH Journal, PO Box I 065 ,
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SWITCHING
PoWER SUPPLIES
@
$29.95
Name: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
Address: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
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D Payment Enclosed
D COD
Please include $3 .50 s/h. NJ add 7%.
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Mail coupon to: STAR*TECH Journal, PO Box 1065.
Merchantville, NJ 08109. Phone: 609/662-1080.
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