AVO "Valve Characteristic Meter" MarkIV Working Instructions, One-page Summary (Word .doc) (thanks John Roberts!)
Ballantine 300 AC Voltmeter manual w/schematic
Ballantine 300D AC Voltmeter manual w/schematic
Brüel & Kjaer 2409/2416 VTVM schematic
B&K 747 tube tester manual and schematic
B&W 600 grid-dip meter manual w/schematic
Century Electronics FC-2 Tube tester manual and settings (Excel file) (thanks Alfred Baumgartner!)
EICO 232-239 VTVM manual w/schematic
EICO 250 AF VTVM schematic
EICO 324 RF signal generator schematic
EICO 377 AF sine/square wave generator manual w/schematic
EICO 379 AF sine/square wave generator manual w/schematic
EICO 625 tube tester manual w/schematic
EICO 677 tube tester information, manual w/schematic
EICO 680 transistor tester manual w/schematic
EICO 710 grid-dip meter schematic
EICO 950B impedance bridge manual w/schematic
EICO 1050 Battery Eliminator schematic
E-H 132A pulse generator manual w/schematic
E-H 201C Electrometer schematic
E-H 215 RL Electrometer schematic
Elgar Series 200 AC Power Source manual w/schematic
EMC 107A VTVM schematic
EMC Model 205 Tube Tester manual
General Radio 1390B random noise generator manual w/schematic
Grundig RV 11 VTVM schematic
Heathkit C-3 Condensor checker schematic
Heath EU* Malmstadt-Enke Scientific Lab Equipment - see below
Heathkit HD-1 harmonic distortion analyzer schematic
Heathkit HD-1250 solid-state dipper schematic
Heathkit IB-1103 Frequency Counter diagrams & schematics
Heathkit IB-2 impedance bridge schematic
Heathkit IG-72 sine wave audio oscillator schematic
Heathkit IM-18 VTVM schematic (similar to most other Heath VTVMs)
Heathkit IM-4190 bidirectional wattmeter schematic
Heathkit IO-12 oscilloscope schematic
Heathkit IP-17 0-400V regulated power supply schematic
Heathkit IT-28 capacitor checker schematic
Heathkit RC-1 Radiation Counter partial manual
Heathkit TT-1A Tube Tester tube socket adapter partial manual w/schematic (this is only the adapter)
Hewlett-Packard - see http://manoman.sqhill.com/hp.php
Hewlett-Packard 200CD AF oscillator schematic (early model with 6SH7/6AU5GT)
Hewlett-Packard 205AG manual
Hewlett-Packard 206A AF oscillator schematic
Hewlett-Packard 339A Distortion Analyzer manual
Hewlett-Packard 400 AF VTVM manual w/schematic
Hewlett-Packard 410B RF VTVM schematic
Hewlett-Packard 606A RF generator manual w/schematic
Hewlett-Packard 711A Power Supply manual
Hewlett-Packard 3200B VHF oscillator operating and service manual
Hickok 752A tube tester manual
European tube settings for Hickok 752/752A above
Hickock 6000(A) tube tester manual
Jackson Model 640 Test Oscillator manual w/schematic
Jerrold 601 & 602 Sweep Frequency Generator manual w/schematic
Knight Kit KG-650 RF signal generator schematic
McMurdo Silver Model 905 "Sparx" signal tracer article
Palace TE-16A transitorized Test Oscillator manual w/schematic
Philips GM 3150 oscilloscope pictures, brochure, schematic
Philips GM 3152 oscilloscope pictures, brochure, schematic
Philips GM 5654 oscilloscope manual w/schematic (nl)
Philips GM 5655/01 oscilloscope manual w/schematic (nl)
Philips GM 655/03 oscilloscope manual w/schematic (nl)
Philips GM 6012 AF Millivoltmeter manual w/schematic
Philips GM 7633/01 "Cartomatic" III tube tester directions, schematic, card example
Philips PW 4029 regulated power supply schematic
Quan-Tech 2173-C Transistor Noise Analyzer manual w/schematic
RCA 165 "Junior VoltOhmyst" manual w/schematic
RCA WA-44C AF sine/square wave generator manual w/schematic
RCA WV-510A "Master VoltOhmyst" manual w/schematic
RCA WV-98A "Senior VoltOhmyst" manual w/schematic
RCA WV-98C "Senior VoltOhmyst" manual w/schematic
Rohde & Schwarz LARU Inductance meter schematic
Rohde & Schwarz FTZ distortion meter schematic
Simpson 260-6P VOM manual w/schematic
Solar Model CE "Capacitor Exam-eter" manual w/schematic
Sprague TO-5 Tel-Ohmike capacitor analyzer manual w/schematic
Sprague TO-6A Tel-Ohmike capacitor analyzer manual w/schematic
Sylvania 145 Audio Oscillator schematic
Sylvania 221Z VTVM schematic
Sylvania 620 Tube Tester manual w/schematic
Tektronix - see http://www.reprise.com/host/tektronix/home/default.asp
also see: http://manoman.sqhill.com/tek.php
Tektronix 310/310A oscilloscope schematic
Tektronix 535A oscilloscope schematic
Triplett 625-7 VOM schematic
Triplett 630-A VOM manual w/schematic
U.S. Army BC-1060-A oscilloscope schematic
U.S. Army OS-8C oscilloscope manual w/schematic
U.S. Navy TV-3/U Tube Tester manual
Victoreen 570 r-meter manual w/schematic
Wan Yong/Dianbiao 108-1 VOM manual w/schematic (in Chinese)
Waterman S-10-A "Pocketscope" oscilloscope schematic
Weston 980 Mark II VOM specs and schematic
Weston 981 Type I tube tester manual w/schematic
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